HT Italia SOLAR300 User Manual
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HT Italia SOLAR300 User Manual

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 Copyright HT ITALIA 2017
Release EN 2.10 - 02/05/2017

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Summary of Contents for HT Italia SOLAR300

  • Page 1  Copyright HT ITALIA 2017 Release EN 2.10 - 02/05/2017...

  • Page 3: Table Of Contents

    SOLAR300 - SOLAR300N Table of contents:   PRECAUTIONS AND SAFETY MEASURES ............. 4   1.1.  General ..........................4  1.2.  Preliminary instructions ......................4  1.3.  During use ..........................5  1.4.  After use ..........................5  1.5.  Measuring (overvoltage) categories definitions ..............5 ...
  • Page 4 SOLAR300 - SOLAR300N     5.3.4.2. Harmonics type option ........................43     5.3.4.3. Harmonics values option ......................... 43     5.3.4.4. Zoom with respect to the 1st harmonic option ................. 44     5.3.4.5. Average value option ........................44 5.4. ...
  • Page 5 SOLAR300 - SOLAR300N 7.4.  Test/Recording of PV-3 system with remote unit SOLAR-02 ..........117  7.5.  Test/Recording of PV with MPPT – Single/three phase AC ........... 119  7.6.  Using the meter in a Single phase system ................ 125  7.7.  Using the meter in a Three phase 4 wire system .............. 126 ...

  • Page 6: Precautions And Safety Measures

    Before and during measurements please take care of below points:  The instrument consists in a main unit SOLAR300 or SOLAR300N and a remote unit for acquisition (SOLAR-01 or SOLAR-02 generically called “SOLAR-0x except notation specifically indicated”).

  • Page 7: During Use

    SOLAR300 - SOLAR300N 1.3. DURING USE Please read carefully the below points: CAUTION  Should you fail to keep to the prescribed instructions you could damage the instrument and/or its components or endanger your safety  Do not touch any unused terminal when the meter is connected to the circuit on test ...

  • Page 8: General Description

     MPPT: Maximum Power Point Tracker (see § 10.3) CAUTION This manual covers two models: SOLAR300 and SOLAR300N. In this manual, these models will be generically referred to as the “instrument”. In general, whenever one of the following topics is dealt with: ...

  • Page 9: Initial Screen

    SOLAR300 - SOLAR300N 2.3. INITIAL SCREEN When turning on the instrument by pressing ON/OFF key, this below screen will appear for a few seconds: Here you can see (besides model code and manufacturer name):  The serial number of the meter (Sn) ...

  • Page 10: How To Operate

    SOLAR300 - SOLAR300N 4. HOW TO OPERATE 4.1. INSTRUMENT DESCRIPTION CAPTION: 1. Voltage and Current inputs. 2. TFT display with “touchscreen”. 3. F1 – F4 keys. 4. Arrows keys and ENTER key. 5. GO/STOP key. 6. SAVE key. 7. ON/OFF key.

  • Page 11: Keyboard Description

    SOLAR300 - SOLAR300N 4.2. KEYBOARD DESCRIPTION The below keys are available:  Key ON/OFF: press this key to turn on the meter. Press and hold the key for few seconds to turn off the meter.  Keys F1, F2, F3, F4: multifunction keys. The various functions are intended from the s shown on the bottom of display.

  • Page 12: Display Description

    SOLAR300 - SOLAR300N 4.3. DISPLAY DESCRIPTION The display is a graphic TFT colour type, 73x57mm sizes (VGA 320x240 pxls) with “touch- screen” which permits a really easy operations using standard PT400 pointer pen fitted in lateral side of meter. On first display’s row the system date/hour is shown by meter (see § 5.1.2 for settings).

  • Page 13: General Menu

    SOLAR300 - SOLAR300N 5. GENERAL MENU Whenever you turn on the meter, the below “Analyzer Configuration” screen is shown, relative to the last configuration used (see Fig. 6): Fig. 6: Example of analyzer configuration In this situation the user can decide whether modify the actual configuration by pressing F1 key (or “CHANGE”...

  • Page 14: General Settings

    SOLAR300 - SOLAR300N 5.1. GENERAL SETTINGS Fig. 8: MENU GENERAL screen - General settings section This section permits to set the below control parameters:  System language  System Date/Hour  Display brightness  Protection password during recordings  Key sound on pressure ...

  • Page 15: Date/Time Settings

    SOLAR300 - SOLAR300N 5.1.2. Date/Time settings 1. Press the F1 key (or touch DATE at display) on screen of Fig. 9. The below screen is shown by meter: Fig. 10: Date/Time settings screen 2. Move the cursor using arrows keys on field relative to “Date format” and “Time format”, marked with blue background.

  • Page 16: Protection Password Setting

    SOLAR300 - SOLAR300N 5.1.4. Protection Password setting The meter is provided with a protection password to avoid the risk of accidental recording interruption. 1. Move the cursor using arrows keys on field relative to “Password” , marked it with blue background: Fig.

  • Page 17: Sound Keys Setting

    SOLAR300 - SOLAR300N 5.1.5. Sound keys setting The meter permits to enable a instantaneous sound for any key pressure of the frontal panel. 1. Move the cursor using arrows keys on field relative to “Sound”, marked with blue background: Fig. 14: Keys sound settings screen 2.

  • Page 18: Memory Type Setting

    SOLAR300 - SOLAR300N 5.1.7. Memory type setting The meter permits saving of recordings both in its internal memory (about 15Mbytes) and by using an external compact flash (see § 5.7.5 for details) fitted (see Fig. 3). Regardless of the capacity of the memory inserted, the maximum size of a recording is set to 32Mbytes.

  • Page 19: Real Time Values

    SOLAR300 - SOLAR300N 5.2. REAL TIME VALUES Fig. 18: GENERAL MENU screen - Real time values section In this section the real time measured values of parameters both on input channels and internally calculated are shown by meter. In particular the following are shown: 1.

  • Page 20: Single-Mppt Photovoltaic System Screen - Three-Phase Output

    SOLAR300 - SOLAR300N 5.2.2. Single-MPPT photovoltaic system screen – Three-phase output The instrument displays the following parameters: PARAMETERS CAPTION:  Performance Ratio (ref. active powers) PRp:  DC power at inverter input  AC DC   Photovoltaic panel performance ...

  • Page 21: Multi-Mppt Photovoltaic System Screen - Single-Phase Output

    SOLAR300 - SOLAR300N 5.2.3.1. Multi-MPPT photovoltaic system screen – Single-phase output When SOLAR300N is in connection with MPP300, the display shows the following parameters: PARAMETER CAPTION:  Performance Ratio (ref. active powers) PRp:  Inverter input DC power  AC DC...

  • Page 22: Multi-Mppt Photovoltaic System Screen - Three-Phase Output

    SOLAR300 - SOLAR300N 5.2.3.2. Multi-MPPT photovoltaic system screen – Three-phase output When SOLAR300N is in connection with MPP300, the display shows the following parameters: PARAMETER CAPTION:  Performance Ratio (ref. active powers) PRp:  Inverter input DC power  AC DC...

  • Page 23: Numerical Screens Sequence

    SOLAR300 - SOLAR300N 5.2.4.1. Numerical screens sequence PARAMETERS CAPTION  Phase-Neutral voltage L1 phase  Phase-Neutral voltage L2 phase  Phase-Neutral voltage L3 phase VNPE  Neutral-Ground voltage  Phase L1 – Phase L2 voltage  Phase L2 – Phase L3 voltage ...
  • Page 24 SOLAR300 - SOLAR300N PARAMETERS CAPTION:  Phase-Neutral voltage L2 phase  Current on L2 phase  Active Power L2 phase Pact2  Reactive Power L2 phase Preact2  Apparent Power L2 phase Papp2  Power factor L2 phase  Power factor between fundamental of CosPhi2 ...
  • Page 25 SOLAR300 - SOLAR300N CAUTION The Total Consumed Energy page is shown only if the instrument has been set for the Recording of the General Parameter Total “Active Power & Energy” (see § 5.4.2.7). Values will be shown only during or at the end of a...

  • Page 26: Scope Waveforms Screens

    SOLAR300 - SOLAR300N 5.2.5. SCOPE waveforms screens Starting from a any page of numerical values it’s possible to select waveforms screens of the input signals by pressing F2 key (or touch SCOPE at display). By pressing cyclically F1 key the below screens are shown by meter.
  • Page 27 SOLAR300 - SOLAR300N  Waveforms of signals on L2 phase, with their TRMS values, as below shown: Fig. 39: Voltage/Current waveforms screen L2 phase for 4-wire systems  Waveforms of signals on L3 phase, with their TRMS values, as below shown: Fig.

  • Page 28: Harm Analysis Screens

    SOLAR300 - SOLAR300N 5.2.6. HARM analysis screens Starting from any page of numerical values it’s possible to enter harmonics numerical values and histogram graphics screens section for voltage and current input signals by pressing F2 key (or touch HARM at display). By pressing cyclically F1 key the below screens are shown by meter.
  • Page 29 SOLAR300 - SOLAR300N Fig. 43: Harmonic analysis voltages in percentage value for 4-wire systems Fig. 44: Harmonic analysis currents in percentage value for 4-wire systems Press F3 key to back to graphical screens and F2 key to change voltages’ or currents’...

  • Page 30: Vectorial Diagrams Screens

    SOLAR300 - SOLAR300N Fig. 46: Harmonic analysis of current I1 in percentage/absolute values for 4-wire system 5.2.7. Vectorial diagrams screens Starting from a any page of numerical values it’s possible to select the vectorial diagrams screens of voltage and currents by pressing F4 key (or touch “VECTORS” at display). The aim of this feature is to show, with numerical and graphical indications, the phase angles, expressed in degree [°] between the three voltages V1, V2 and V3 and the currents I1, I2...
  • Page 31 SOLAR300 - SOLAR300N  The vectorial diagram of voltage and current for each phase depending on the type of system as shown in below screens: Fig. 49: Vectorial current diagram for 4-wire system Fig. 50: Vectorial voltage/current diagram L1 phase for 4-wire system...

  • Page 32: Analyzer Settings

    SOLAR300 - SOLAR300N 5.3. ANALYZER SETTINGS Fig. 51: Analyzer settings screen In this section, the instrument allows carrying out basic and advanced selections according to the type of installation being tested. In particular, it is possible to: For single-phase and three-phase photovoltaic systems (PV): ...
  • Page 33 SOLAR300 - SOLAR300N  Three phase system ARON (Three phase system three wire DELTA ARON - 2 wattmeter method + ground)  SINGLE phase system (phase + neutral+ ground)  Three phase system 4-wire “3PHL (Three phase four wire DELTA system with center tapped high leg + ground –...
  • Page 34 SOLAR300 - SOLAR300N Fig. 55: Analyzer configuration for MPP-3 system (opt. MPP300 required) Fig. 56: Analyzer configuration screen for 4-wire system Fig. 57: Analyzer Configuration screen for 3-wire system Fig. 58: Analyzer Configuration screen for ARON system EN - 32...
  • Page 35 SOLAR300 - SOLAR300N Fig. 59: Analyzer Configuration screen for SINGLE phase system Fig. 60: Analyzer Configuration screen for Two phase system 3-wire 1Ph3W Fig. 61: Analyzer Configuration screen for Two phase system 3-wire 3P 2E Fig. 62: Analyzer Configuration screen for Three phase system 3-wire 3P OD...

  • Page 36: Setting System Frequency

    SOLAR300 - SOLAR300N Fig. 63: Analyzer Configuration screen for Three phase system 4-wire 3P HL Fig. 64: Analyzer Configuration screen for Two phase system 3-wire 3P OY 1. Move the cursor using arrows keys on field relative to “System”, marked with blue background.

  • Page 37: Setting Clamp Type

    SOLAR300 - SOLAR300N 5.3.1.2. Setting clamp type This parameter must be always set equal to the clamp type used. Two types of clamps are available:  STD: for Standard clamps or esternal Current Transformer CT  FLEX: for Flexible clamps (Rogowski) CAUTION If the PV-1 or PV-3 systems are set on meter the “STD”...

  • Page 38: Setting Vt Ratio

    SOLAR300 - SOLAR300N 5.3.1.4. Setting VT ratio For NPV systems the meter can be interfaced also with step-down transformers in the equipment under test. It can display the value of he voltages present on the primary winding of these transformers. To do this it will be necessary to set the value of the transformers’...

  • Page 39: Parameter Setting Screen - Pv Systems

    SOLAR300 - SOLAR300N 5.3.2. Parameter setting screen – PV systems Press the F1 key or touch the “PARAM” item on the display. The instrument displays the following screen: Fig. 65: Parameter setting screen for PV systems In this screen it is possible to set the characteristic parameters of the photovoltaic system being tested such as the nominal power of the system, the ...

  • Page 40: Setting The Noct Parameter Of Photovoltaic Panels

    SOLAR300 - SOLAR300N 5.3.2.3. Setting the NOCT parameter of photovoltaic panels This option allows setting the value of the NOCT coefficient (nominal working temperature of a PV cell), one of the characteristic parameters of the panels used for the realization of a PV system, expressed in °C 1.

  • Page 41: Selection Of The Relationship For Temperature Effects Compensations

    SOLAR300 - SOLAR300N 5.3.2.6. Selection of the relationship for Temperature effects compensations This option allows selecting the relationship to be used to correct the measurements performed according to the modules’ temperature. The following correction modes are available: - T.mod.: Correction factor Rfv2 related to PV module Temp. (Italian guideline CEI-82-25) - T.env:...

  • Page 42: Advanced Setting Screen - Pv Systems

    SOLAR300 - SOLAR300N 5.3.3. Advanced setting screen – PV systems Press the F2 key or touch the “ADVANCED” item on the display. The instrument displays the following screen: Selection of rem. U. SOLAR-01 Selection of rem. U. SOLAR-02 Selection of rem. U. MPP300 Fig.

  • Page 43: Setting Of Minimum Irradiance Threshold

    SOLAR300 - SOLAR300N 5.3.3.3. Setting of minimum irradiance threshold This option allow to set the minimum irradiance threshold used by meter as reference during measurement. 1. By means of the F3 or F4 key (or items MOD(+) or MOD(-) on the display), select the desired value within the range 400 ...

  • Page 44: Advanced Settings Screen - Npv Systems

    SOLAR300 - SOLAR300N 5.3.4. Advanced Settings screen – NPV systems By pressing F2 key (or touch the “ADVANCED” at display) in any screen of “Analyzer Configuration” section, below screen is shown by meter: Fig. 68: Advanced Settings screen In the above screen is possible to select advanced options which have effect in Real Time values screens of meter.

  • Page 45: Harmonics Type Option

    SOLAR300 - SOLAR300N 5.3.4.2. Harmonics type option This option permits to select the type of harmonics which can be shown inside Real Time values section 1. Move the cursor using arrows keys on field relative to “Harm. type” , marked it with blue background.

  • Page 46: Zoom With Respect To The 1St Harmonic Option

    SOLAR300 - SOLAR300N 5.3.4.4. Zoom with respect to the 1st harmonic option This option permits to show harmonics graphics with a zoom relative to the first harmonic order (fundamental) or with a zoom relative to the highest amplitude harmonic inside the Real Time values section.

  • Page 47: Recording Settings

    SOLAR300 - SOLAR300N 5.4. RECORDING SETTINGS Fig. 69: Recording Settings screen selection In this section the meter permits to define any detail relative to start and stop of recordings, perform parameters selection for recording, the type of analysis to be carried out very easily thanks to “touch screen”...

  • Page 48: Item Comments

    SOLAR300 - SOLAR300N  Function CMP/EXP: used to compress / expand the sub-levels (the left and right arrow keys have the same function)  Function PRESET: used to open the preset configuration section (see § 5.4.2.14)  Function SEL: used to select/deselect parameters in different levels.

  • Page 49: Items Start And Stop

    SOLAR300 - SOLAR300N 5.4.1.3. Items Start and Stop This item determines the activation and deactivation mode of the recordings which can be made with the instrument (see § 5.6). For PV systems, the start mode is set to “Manual” (Manu) and cannot be changed: Recording will therefore started/stopped only manually by pressing the GO/STOP key.
  • Page 50 SOLAR300 - SOLAR300N Fig. 73: Section General Parameters: selected parameters As a consequence of the operation, in the example shown in Fig. 85, 12 electric parameters have been selected against a total of 251 available and the instrument automatically provides the recording autonomy with the current settings.

  • Page 51: Description Of The Sub-Levels Of Item General Parameters

    SOLAR300 - SOLAR300N 5.4.1.6. Description of the sub-levels of item General Parameters Press the F1 key (CMP/EXP on the display) or the right or left arrow keys to expand or compress the sub-levels. The quantities shown in the sub-levels are closely related to the type of system considered and selected (see §...

  • Page 52: Item Solar-01 And Solar-02

    SOLAR300 - SOLAR300N Parameter Description Frequency Frequency of phases L1, L2, L3 TRMS voltages L1-L2, L2-L3, L3-L1 downstream the AC voltages inverter DC voltage DC voltage upstream the inverter Current TRMS currents L1, L2, L3 downstream the inverter DC currents...
  • Page 53 SOLAR300 - SOLAR300N Fig. 77: Custom setting screen In the example above, the custom setting “GENERIC PLANT” has been created and can be loaded by pressing the SAVE or ENTER keys (or smart icon ). This setting can be deleted at all times by pressing the F2 key (or item CANC on the display). The instrument shows the message “Do you want to change the selected configuration?”, which must...

  • Page 54: Item General Parameters For Use With Mpp300 Unit

    SOLAR300 - SOLAR300N 5.4.1.9. Item General Parameters for use with MPP300 unit After setting MPP300 as remote unit (see § 5.3.3) the instrument will display a selection tree, in which it will be possible to change only the “comment” fields and the value of the integration period.

  • Page 55: Recording Settings Screen - Npv Systems

    SOLAR300 - SOLAR300N 5.4.2. Recording settings screen – NPV systems This screen is designed with some levels and sub-levels as a typical tree Windows structure in order to reach with extreme details the desired options. After selection of “Recording settings” icon, the below screen is shown: Fig.

  • Page 56: Use Of Virtual Keyboard

    SOLAR300 - SOLAR300N 5.4.2.2. Use of virtual keyboard With the Comments: marked in blue background at display press F4 key (or the MODIFY at display). The below screen is shown at display: Fig. 80: Virtual keyboard screen The keys’ description of the above keyboard is shown in the below table:...

  • Page 57: Integration Period

    SOLAR300 - SOLAR300N 5.4.2.4. Integration period This option permits to set the integration period (see § 10.11.1) which is the time interval between two sequential recordings within the global duration of measurements. The flag of this option is always active and not disabled.

  • Page 58: General Parameters

    SOLAR300 - SOLAR300N 5.4.2.6. General Parameters This option permits the selection of network parameters for recording operation. This level included several sub-level for a detailed selection depending on the type of system on test (see § 5.3.1). Depending on the selection performed, different error screen can be shown by meter. The below situations are possible: Fig.
  • Page 59 SOLAR300 - SOLAR300N The opposite situation is the error due to a too many selected parameters. In this case the below screen is shown: Fig. 83: General Parameters section: too many selected parameters In the above screen the harmonics' selection brought about too many selected parameters (more than 251).

  • Page 60: General Parameters: Sub-Levels Description

    SOLAR300 - SOLAR300N 5.4.2.7. General Parameters: sub-levels description Press F1 key (or touch CLP/EXP at display) to expand or compress the sub-levels. The parameters inside sub-levels are strictly depending on type of selected system (see § 5.3.1). As an example, below are shown the screens relative to a three phase 4-wire system.

  • Page 61: Harmonics: Sub-Levels Description

    SOLAR300 - SOLAR300N 5.4.2.8. Harmonics: sub-levels description Press F1 key (alternatively touch CLP/EXP at display) to expand or compress the harmonics sub-levels. The parameters inside sub-levels are strictly depending on type of selected system (see § 5.3.1). Below there are some pictures of different possible situations: Fig.

  • Page 62: Voltage Anomalies

    SOLAR300 - SOLAR300N The selection parameters of harmonic analysis require the preliminary selection of voltages or currents inside General Parameter sub-level. The below error screen are shown in these cases: Fig. 87: No selected currents error screen To solve the error situation of above screen select the “Current”...
  • Page 63 SOLAR300 - SOLAR300N Press F4 key (alternatively touch MODIFYat display) for setting the below voltage anomalies parameters:  Reference nominal voltage Vref depending on the type of considered system. In particular Vref = VP-N (Single phase and three phase 4-wire systems), Vref = VP-P (three phase 3-wire and ARON systems).

  • Page 64: Inrush Current

    SOLAR300 - SOLAR300N 5.4.2.10. Inrush current This option permits to set the control parameters relative to recording of inrush current events (see § 10.6) which is completely independent from periodic analysis (regulated by integration period). The below screen is shown by meter: Fig.

  • Page 65: Flicker

    SOLAR300 - SOLAR300N 5.4.2.11. Flicker This option permits to set control parameters relative to flicker value recordings on the input voltages in compliance to EN 61000-4-15 and EN 50160 standards (see § 10.7). In particular the below parameters are shown by meter: ...

  • Page 66: Unbalance

    SOLAR300 - SOLAR300N 5.4.2.12. Unbalance The selection of this option include on selected parameters list for recording the value of NEG% and ZERO% s which are index of unbalance of input voltage signal respective to negative tern and zero term (see § 10.8). “Unbalance” is not shown for single phase systems.

  • Page 67: Predefined Configurations

    SOLAR300 - SOLAR300N 5.4.2.14. Predefined configurations In order to make the recording start easier the meter includes 3 selectable predefined configurations which describe typical situation in electrical installations, besides a “Default” configuration which defines the initial settings from the factory. The meter also permits to define up to 16 free configuration which can be customized, saved and recalled by user at any time.
  • Page 68 SOLAR300 - SOLAR300N Fig. 99: Typical customized configuration screen The typical customized configuration called e.g. “GENERIC PLANT” was defined and can be loaded by pressing the SAVE or ENTER keys (or the smart icon ). This configuration cab be removed in any time by pressing F2 key (or the REM at display). The warning message “Delete selected configuration?”...
  • Page 69 SOLAR300 - SOLAR300N EN50160 MENU GENERAL PARAMETER SETTINGS SYSTEM System Freq[Hz] Analyzer Settings Clamp Type FS Clamp[A] VT Ratio Not modified Each system Zoom Graphics Harm. Type Analyzer Settings - Advanced Harm. Values Zoom 1st Harm. Average Values Comments EN50160...
  • Page 70 SOLAR300 - SOLAR300N VOLTAGE ANOMALIES MENU GENERAL PARAMETER SETTINGS SYSTEM System Freq[Hz] Analyzer Settings Clamp Type FS Clamp[A] VT Ratio Not modified Each system Zoom Graphics Harm. Type Analyzer Settings - Advanced Harm. Values Zoom 1st Harm. Average Values Comments...
  • Page 71 SOLAR300 - SOLAR300N HARMONICS MENU GENERAL PARAMETER SETTINGS SYSTEM System Freq[Hz] Analyzer Settings Clamp Type FS Clamp[A] VT Ratio Not modified Each system Zoom Graphics Harm. Type Analyzer Settings - Advanced Harm. Values Zoom 1st Harm. Average Values Comments HARMONICS...
  • Page 72 SOLAR300 - SOLAR300N INRUSH MENU GENERAL PARAMETER SETTINGS SYSTEM System Freq[Hz] Analyzer Settings Clamp Type FS Clamp[A] VT Ratio Not modified Each system Zoom Graphics Harm. Type Analyzer Settings Harm. Values Advanced Zoom 1st Harm. Average Values Comments INRUSH Start...
  • Page 73 SOLAR300 - SOLAR300N POWER & ENERGY MENU GENERAL PARAMETER SETTINGS SYSTEM System Freq[Hz] Analyzer Settings Clamp Type FS Clamp[A] VT Ratio Not modified Each system Zoom Graphics Harm. Type Analyzer Settings Harm. Values Advanced Zoom 1st Harm. Average Values Comments POWER &...
  • Page 74 SOLAR300 - SOLAR300N NPV systems DEFAULT CONFIGURATION ( MENU GENERAL PARAMETER SETTINGS System 4-wire Freq[Hz] Analyzer Settings Clamp Type FLEX FS Clamp[A] 3000 VT Ratio Zoom Graphics AUTO Harm. Type Analyzer Settings Harm. Values ABSOLUTES Advanced Zoom 1st Harm. Average Values...

  • Page 75: Start A Test On Pv System

    SOLAR300 - SOLAR300N 5.5. Start a test on PV system For testing purposes, no setting of the recording parameters is necessary, but only of those relevant to the configuration of the analyzer (see § 5.3.2). The test can only be activated by pressing the F1 key (RUN) in GENERAL MENU  Real time values screen.
  • Page 76 SOLAR300 - SOLAR300N The instrument can displays messages when pressing the F1 key: Message Description ALWAYS perform at the start of each test the zeroing of the supplied DC clamp connected to Before start a test, please check the meter and not to the PV installation by pressing ZERO key on it. The result should be a zero reading of DC clamp when “0.000A”...

  • Page 77: While Testing

    SOLAR300 - SOLAR300N 5.5.1. While testing After starting a test, the instrument allows displaying in real time both the parameters set and the current state of the operation. 1. Use the arrow keys or select the icon “Saved Data Management” in the GENERAL MENU.

  • Page 78: Stop A Test

    SOLAR300 - SOLAR300N 5.5.2. Stop a test To stop a test (after connecting the unit SOLAR-0x or the unit MPP300 to the main unit), press the F1 key. The icon highlighted in Fig. 102 disappears from the display. After the automatic data transfer phase, the instrument will automatically display: ...

  • Page 79: Start A Recording

    SOLAR300 - SOLAR300N 5.6. START A RECORDING The meter is designed to start a recording in MANUAL or AUTOMATIC mode (the Automatic only for NPV systems - see § 5.4.2.3) by pressing of GO/STOP key. A recording operation can be started exclusively under the following screens: ...
  • Page 80 SOLAR300 - SOLAR300N CAUTION For recordings ALWAYS use the external power supply even though the instrument allows the operator to perform a recording using internal batteries. After starting a recording a preliminary real time evaluation about the situation on electrical installation it’s important in order to perform a correct settings, using the predefined...
  • Page 81 SOLAR300 - SOLAR300N Below the meaning of the above s of warning windows screen: Type of error Description ALWAYS perform at the start of each test the zeroing of the supplied DC clamp connected to Before start a test, please check the instrument and not to the PV installation by pressing ZERO key on it.

  • Page 82: Recording Settings Screen - Npv Systems (Only For Npv Systems)

    SOLAR300 - SOLAR300N Press GO/STOP key again to start recording and verify the possible residual error on window message. Confirm with ENTER or press “Ok” or “Cancel” keys to close the warning window message and start the recording by pressing GO/STOP key anyway.

  • Page 83: During A Recording

    SOLAR300 - SOLAR300N 5.6.2. During a recording After a recording is running, a real time check of parameters’s values and internal status is shown by meter. Fig. 111: Recording Results screen - Recording running 1. Select “Recording Results” in GENERAL MENU 2.
  • Page 84 SOLAR300 - SOLAR300N The instrument displays the following screen (with PV system set): Fig. 113: Screen with information about recording in progress with PV system set 4. The screen shown in Fig. 113 contains the following information:  Recording autonomy of the instrument with selections made in Days/Hours ...

  • Page 85: Saved Data Management Section

    SOLAR300 - SOLAR300N 5.7. SAVED DATA MANAGEMENT SECTION Fig. 114: GENERAL MENU - Saved Data Management The “Saved Data Management” section allows the user to check the content of the internal memory after recording, to delete previous recordings and possibly to copy a recording (one at a time) on an external USB Pen Driver connected to the instrument.

  • Page 86: Recording Analysis (Reg Type)

    SOLAR300 - SOLAR300N The following operations are possible only on the screen in Fig. 115: 1. Use the up and down arrow keys to highlight (blue background) one of the recordings on the screen. Press the F1 key (or the INFO item on the display). The instrument shows the screen containing the main information regarding the recording performed as described in §...

  • Page 87: Recording Graph

    SOLAR300 - SOLAR300N 5.7.1.2. Recording graph By selecting the recording graph option, the following page is accessed, which enables the user to display the recording trend (ONLY ONE parameter at a time). Fig. 118: Selecting a parameter 1. Press the F1 key (or the PARAM item on the display) to access the page containing the recorded quantities available for the analysis (Fig.
  • Page 88 SOLAR300 - SOLAR300N This page shows the graph, the cursor position (cursor T) and the maximum, minimum and average RMS values of the parameter selected by the cursor. Fig. 120: Recording graph The following keys are active on this page: ...

  • Page 89: Dips Ans Swells

    SOLAR300 - SOLAR300N 5.7.1.3. Dips ans swells This page shows a table containing all voltage anomalies occurred during recording. Fig. 122: Dips ans swells Column description: progressive number of the anomaly. phase in which the anomaly occurred. Date/Time: date/time at which the anomaly occurred.

  • Page 90: Spikes (Transients)

    SOLAR300 - SOLAR300N This page shows the parameters set before recording voltage anomalies: Fig. 123: Voltage Anomalies The following non-modifiable parameters are indicated (as they have been set upon starting the recording) Nominal Voltage: nominal voltage High Voltage: limit high voltage.
  • Page 91 SOLAR300 - SOLAR300N Description of the columns: Progressive spike number. Phase in which the spike occurred. Time: Date/time in which the anomaly occurred. Peak+: Max. positive value reached by the spike during the observation interval. Peak-: Min. negative value reached by the spike during the observation interval.

  • Page 92: Inrush Currents

    SOLAR300 - SOLAR300N 5.7.1.5. Inrush currents This page shows a table containing all of the Inrush current occurred while recording Fig. 126: Inrush currents Description of the columns: Progressive number of inrush current. Phase in which inrush current has occurred.
  • Page 93 SOLAR300 - SOLAR300N The following elements are indicated: Type: Set detection type: Fix: The instrument detects and saves an event when the current's RMS value calculated in each half-period exceeds the value of the threshold defined by the user. In order for the instrument to be ready to detect a new event, current must drop below the defined threshold value;...

  • Page 94: En50160

    SOLAR300 - SOLAR300N 5.7.1.6. EN50160 This page shows a table containing values complying with standard EN50160. Fig. 129: EN50160 analysis result Description of the columns: Param: It indicates the percentage of the values which must fall within the limits set in Limits. Example: Hz 100% means that 100% of the frequency values recorded must fall within a 1%, -1% range of the nominal frequency value.
  • Page 95 SOLAR300 - SOLAR300N The following elements are indicated: Nominal Voltage: Set nominal voltage High Limit: Upper limit voltage Low Limit: Lower limit voltage Frequency: System frequency. The total number of Voltage Anomalies occurred is also displayed (Events) Within this page, the following keys are active: ...

  • Page 96: Analysis Of Consumed Energy

    SOLAR300 - SOLAR300N 5.7.1.7. Analysis of consumed energy This page shows the Energy and Peak power values consumed while recording Fig. 132: Screen of total consumed energy Description of the displayed values: Eact: Total active power consumed while Recording. Ppeak: Max.

  • Page 97: Analysis Of Producted Energy

    SOLAR300 - SOLAR300N 5.7.1.8. Analysis of producted energy This page shows the Energy and Peak power values producted while recording Fig. 133: Screen of total producted energy Description of the displayed values: Eact: Total active power produced while Recording. Ppeak: Max.

  • Page 98: Recording Analysis (Regpv Type)

    SOLAR300 - SOLAR300N 5.7.2. Recording analysis (RegPV type) This page shows the analyses which can be performed on the saved data (RegPV type). Fig. 134: Recording analysis (RegPV*-type data) 1. Use the arrow keys up or down to select the one of the available analisys on the screen.

  • Page 99: Result For Data Of Recpv Type

    SOLAR300 - SOLAR300N 5.7.2.2. Result for data of RecPV type This page (not available for RecPV* data as these recordings are, in fact, incomplete) displays the values of the parameters measured and calculated during the testing / recording phase. In particular, the instrument: ...
  • Page 100 SOLAR300 - SOLAR300N Legend of parameters for three-phase PV systems:  DC power at inverter input  AC   Photovoltaic panel performance DC  DC voltage at inverter input  DC current at inverter input FV   AC power at inverter output ...

  • Page 101: Result For Data Of Recmpp Type

    SOLAR300 - SOLAR300N 5.7.2.3. Result for data of RecMPP type This page shows the values of the parameters measured and calculated during the test / recording phase together with the MPP300 unit (optional). In particular, the instrument:  Do not show any results if do not exist on the PV installation a “stable irradiance”...

  • Page 102: Recording Graph

    SOLAR300 - SOLAR300N 5.7.2.4. Recording graph By selecting the recording graph option, the following page is accessed, which enables the user to display the recording trend (ONLY ONE parameter at a time) Fig. 139: Selecting a parameter 1. Press the F1 key (or the PARAM item on the display) to access the page of selectable parameters (Fig.
  • Page 103 SOLAR300 - SOLAR300N Fig. 141: Recording graph The following keys are active on this page:  The F1 key (or the PARAM item on the display), to access the page of selectable parameters (Fig. 140)  Press the F2 key to see the characteristic parameters of the photovoltaic system relevant to the point considered.

  • Page 104: Recording Analysis (Istant Type)

    SOLAR300 - SOLAR300N 5.7.3. Recording analysis (Istant type) This page shows the analyses which can be performed on the saved data (Istant type). Fig. 143: Recording analysis (Istant-type data) 1. Use the up and down arrow keys to highlight on blue background one of the analyses on the screen.

  • Page 105: Graph

    SOLAR300 - SOLAR300N 5.7.3.2. Graph This screen (Fig. 145) contemporarily shows the saved instant values of the waveforms of voltages V1, V2, V3, Vn scaled according to the Full scale (Fs) and the relevant RMS values; these values have been saved by the instrument upon pressing the SAVE key.

  • Page 106: Vectors

    SOLAR300 - SOLAR300N  in the upper half plane of the graph if the harmonics are introduced into the relevant electrical system from the mains;  in the lower half plane of the graph if the harmonics are injected into the relevant electrical system from the mains.

  • Page 107: Measures

    SOLAR300 - SOLAR300N 5.7.3.5. Measures As an example, below are shown the screens relative to a three phase 4-wire system. Similar consideration can be applied to any other selected system. In measure mode, the instrument displays the saved values in TRMS as shown in the...

  • Page 108: Transfer Recordings To A External Pen Driver Usb

    SOLAR300 - SOLAR300N 5.7.4. Transfer recordings to a external Pen Driver USB The meter permits to transfer of one or more saved recordings which are shown in Fig. 115 to a external Pen Driver USB directly connected to it (see Fig. 3). The below picture is shown by meter: Fig.

  • Page 109: Saving Recordings To External Compact Flash

    SOLAR300 - SOLAR300N 5.7.5. Saving recordings to external Compact Flash The instrument permits to save the recordings also on external standard compact flash which are fitted on suitable input (see Fig. 3) after activating “EXTERNAL” option on Memory type (see § 5.1.7). The following is shown by meter: Fig.

  • Page 110: Meter Information

    SOLAR300 - SOLAR300N 5.8. METER INFORMATION Inside this section the general internal parameters of meter are available as information from the user for example during any contact with Service people of HT. Fig. 154: Menu General screen – Meter information section Press ENTER key or touch the correspondent icon at display.

  • Page 111: Connection Of Meter To Pc (Win Xp)

    SOLAR300 - SOLAR300N 6. CONNECTION OF METER TO PC (WIN XP) 1. Install the TopView standard software on your PC. 2. Verify the presence of ActiveSync icon with grey background (not active) on the right bottom part of PC screen as shown in below picture: Fig.

  • Page 112: Measuring Procedures

    SOLAR300 - SOLAR300N 7. MEASURING PROCEDURES The instrument’s accuracy in PV systems is grant only for the following system configuration: PV (Photovoltaic) systems  Single-phase (Phase, Neutral, Earth)  Three-phase (Three-phase 120° + Earth) Further in this manual, the following definitions will be used, relative to PV systems ...

  • Page 113: Test/Recording Of Pv-1 System With Remote Unit Solar-01

    SOLAR300 - SOLAR300N 7.1. TEST/RECORDING OF PV-1 SYSTEM WITH REMOTE UNIT SOLAR-01 CAUTION  The maximum voltage between inputs D1, D2, A1, A2 and A3 is 1000V / CAT IV 600V to earth. Do not measure voltages exceeding the limits indicated in this manual.
  • Page 114 SOLAR300 - SOLAR300N 5. Supply the electric system considered in case it was temporarily put out of service for connecting the instrument 6. Check that the active power Pac is positive and that the power factor Pf corresponds to the load (typically equal to 1.00 for measures made downstream the inverter in photovoltaic systems).

  • Page 115: Test/Recording Of Pv-1 System With Remote Unit Solar-02

    SOLAR300 - SOLAR300N 7.2. TEST/RECORDING OF PV-1 SYSTEM WITH REMOTE UNIT SOLAR-02 CAUTION  The maximum voltage between inputs D1, D2, A1, A2 and A3 is 1000V / CAT IV 600V to earth. Do not measure voltages exceeding the limits indicated in this manual.
  • Page 116 SOLAR300 - SOLAR300N 6. Supply the electric system considered in case it was temporarily put out of service for connecting the instrument 7. Check that the active power Pac is positive and that the power factor Pf corresponds to the load (typically equal to 1.00 for measures made downstream the inverter in photovoltaic systems).

  • Page 117: Test/Recording Of Pv-3 System With Remote Unit Solar-01

    SOLAR300 - SOLAR300N 7.3. TEST/RECORDING OF PV-3 SYSTEM WITH REMOTE UNIT SOLAR-01 CAUTION  The maximum voltage between inputs D1, D2, A1, A2 and A3 is 1000V / CAT IV 600V to earth. Do not measure voltages exceeding the limits indicated in this manual.
  • Page 118 SOLAR300 - SOLAR300N 6. Check that the active power Pac is positive and that the power factor Pf corresponds to the load (typically equal to 1.00 for measures made downstream the inverter in photovoltaic systems). In case of negative values of the active power, check the connection of the amperometric clamps.

  • Page 119: Test/Recording Of Pv-3 System With Remote Unit Solar-02

    SOLAR300 - SOLAR300N 7.4. TEST/RECORDING OF PV-3 SYSTEM WITH REMOTE UNIT SOLAR-02 CAUTION  The maximum voltage between inputs D1, D2, A1, A2 and A3 is 1000V / CAT IV 600V to earth. Do not measure voltages exceeding the limits indicated in this manual.
  • Page 120 SOLAR300 - SOLAR300N 7. Check that the active power Pac is positive and that the power factor Pf corresponds to the load (typically equal to 1.00 for measures made downstream the inverter in photovoltaic systems). In case of negative values of the active power, check the connection of the amperometric clamps.

  • Page 121: Test/Recording Of Pv With Mppt - Single/Three Phase Ac

    SOLAR300 - SOLAR300N 7.5. TEST/RECORDING OF PV WITH MPPT – SINGLE/THREE PHASE AC The instrument SOLAR300N, used together with remote units SOLAR-02 and MPP300 (optional), allows testing PV systems characterized by 1 or more PV fields (with the same direction and inclination), each connected to an MPPT of the inverter (see § 10.3) and single- phase or three-phase output.
  • Page 122 SOLAR300 - SOLAR300N CAUTION  When SOLAR300N is set in order to use MPP300 as a remote unit, ALL connections relevant to electrical quantities (voltages and currents) must be carried out on unit MPP300. SOLAR300N must have no voltage nor current connected to its inputs.
  • Page 123 SOLAR300 - SOLAR300N CAUTION BEFORE CONNECTING THE DC CLAMPS TO THE CONDUCTORS Switch on the clamp, check the LED indicating the status of the clamp’s internal batteries (if present), select the correct range, press the ZERO key on the DC clamp and check on the display of SOLAR300N the actual zeroing of the corresponding Idc value (values up to 0.02A are acceptable).
  • Page 124 SOLAR300 - SOLAR300N 18. On SOLAR300N, press key F3 to access the second screen which contains the values of the output DC parameters of the strings according to the number of DC inputs set (see §5.3.2.5). In particular, in this screen: Vdcx = dc voltage of string x.
  • Page 125 SOLAR300 - SOLAR300N 22. At any time while recording it will be possible to analyze its current status by selecting the button Saved data management in the GENERAL MENU. The following information will be shown: a. starting date and time of recording b.
  • Page 126 SOLAR300 - SOLAR300N 32. Press the F1 key (FINISH) or GO/STOP key on the instrument to stop the test/recording on the instrument SOLAR300N and confirm with ENTER that you want to stop recording. 33. The display of SOLAR300N will show various messages indicating the different phases of data transfer to the main unit.

  • Page 127: Using The Meter In A Single Phase System

    SOLAR300 - SOLAR300N 7.6. USING THE METER IN A SINGLE PHASE SYSTEM CAUTION  The maximum voltage between inputs D1, D2, A1, A2 and A3 is 1000V / CAT IV 600V to earth. Do not measure voltages exceeding the limits indicated in this manual.

  • Page 128: Using The Meter In A Three Phase 4 Wire System

    SOLAR300 - SOLAR300N 7.7. USING THE METER IN A THREE PHASE 4 WIRE SYSTEM CAUTION  The maximum voltage between inputs D1, D2, A1, A2 and A3 is 1000V / CAT IV 600V to earth. Do not measure voltages exceeding the limits indicated in this manual.

  • Page 129: Using The Meter In A Three Phase 3 Wire System

    SOLAR300 - SOLAR300N 7.8. USING THE METER IN A THREE PHASE 3 WIRE SYSTEM CAUTION  The maximum voltage between inputs D1, D2, A1, A2 and A3 is 1000V / CAT IV 600V to earth. Do not measure voltages exceeding the limits indicated in this manual.

  • Page 130: Using Of Meter In A Three Phase 3 Wire Aron System

    SOLAR300 - SOLAR300N 7.9. USING OF METER IN A THREE PHASE 3 WIRE ARON SYSTEM CAUTION  The maximum voltage between inputs D1, D2, A1, A2 and A3 is 1000V / CAT IV 600V to earth. Do not measure voltages exceeding the limits indicated in this manual.

  • Page 131: Using Of Meter In A 3-Phase 4-Wire 3Phl (Usa System)

    SOLAR300 - SOLAR300N 7.10. USING OF METER IN A 3-PHASE 4-WIRE 3PHL (USA SYSTEM) CAUTION The maximum voltage among D1, D2, A1, A2 and A3 inputs is 1000V / CAT IV 600V to ground. Do not measure voltages exceeding the limits prescribed by this manual.

  • Page 132: Using Of Meter In A 3-Phase 3-Wire 3Pod (Usa System)

    SOLAR300 - SOLAR300N 7.11. USING OF METER IN A 3-PHASE 3-WIRE 3POD (USA SYSTEM) CAUTION The maximum voltage among D1, D2, A1, A2 and A3 inputs is 1000V / CAT IV 600V to ground. Do not measure voltages exceeding the limits prescribed by this manual.

  • Page 133: Using Of Meter In A 3 Wire 3P2E (Usa System)

    SOLAR300 - SOLAR300N 7.12. USING OF METER IN A 3 WIRE 3P2E (USA SYSTEM) CAUTION The maximum voltage among D1, D2, A1, A2 and A3 inputs is 1000V / CAT IV 600V to ground. Do not measure voltages exceeding the limits prescribed by this manual.

  • Page 134: Using Of Meter In A 3 Wire 3Poy (Usa System)

    SOLAR300 - SOLAR300N 7.13. USING OF METER IN A 3 WIRE 3POY (USA SYSTEM) CAUTION The maximum voltage among D1, D2, A1, A2 and A3 inputs is 1000V / CAT IV 600V to ground. Do not measure voltages exceeding the limits prescribed by this manual.

  • Page 135: Using Of Meter In A 3 Wire 1Ph3W (Usa System)

    SOLAR300 - SOLAR300N 7.14. USING OF METER IN A 3 WIRE 1PH3W (USA SYSTEM) CAUTION The maximum voltage among D1, D2, A1, A2 and A3 inputs is 1000V / CAT IV 600V to ground. Do not measure voltages exceeding the limits prescribed by this manual.

  • Page 136: Maintenance

    SOLAR300 - SOLAR300N 8. MAINTENANCE 8.1. GENERAL For their use and storage, follow the recommendations and instructions of this manual in order to avoid possible damages or dangers. Never use the instrument in environments with a high humidity or temperature. Do not expose the meter to direct sunlight. Always turn off the instrument after use.

  • Page 137: Cleaning

    SOLAR300 - SOLAR300N 8.4. CLEANING Use a soft dry cloth to clean the meter. Do not use never wet clothes, solvents, water etc.. and take particular care at TFT display. 8.5. END OF LIFE CAUTION: this symbol indicates that equipment, batteries and its accessories shall be subject to a separate collection and correct disposal.

  • Page 138: Technical Specifications

    SOLAR300 - SOLAR300N 9. TECHNICAL SPECIFICATIONS 9.1. TECHNICAL FEATURES Accuracy is given as: [% reading + (number of digits)*resolution] at 23°C  5°C ; <80%RH DC Voltage – PV Systems Range Accuracy Resolution Input impedance 0.0  1000.0V (0.5%rdg+2dgt) 0.1V 10M...
  • Page 139 SOLAR300 - SOLAR300N AC TRMS Current (with external STD transducer clamp) Input Overload Range Accuracy Resolution impedance protection (0.5%rdg+0.06%FS) 0.1mV 0.01000.0mV 510k Measure performed with voltage output =1VAC with nominal current measured by clamp ; Max crest factor = 3 Current values <...
  • Page 140 SOLAR300 - SOLAR300N Energy – Single-phase and Three-phase systems – 50/60Hz Parameter Range Resolution FS clamp Accuracy (*) [Wh,VArh,VAh] [Wh,VArh,VAh] [Wh,VArh,VAh] (0.7%rdg) @ FS  1A 0 – 999.9k 0.1 – 0.001k (Pf=1,Vmis>200V,Imis>10%FS) 1A< FS  10A 0.000 – 99.99k 0.001k –...

  • Page 141: General Features

    SOLAR300 - SOLAR300N 9.2. GENERAL FEATURES Real time values General network parameters: Voltages, Currents, Powers, Energies,Cos, PF Flicker, Unbalance, THD%, Harmonics Signals waveforms: Voltages, Currents, harmonics histograms Vectorial diagrams: Voltages, Currents Recordings Parameters: each general parameters + energies Number of selectable parameter:...

  • Page 142: Appendix - Theoretical Outlines

    SOLAR300 - SOLAR300N APPENDIX – THEORETICAL OUTLINES 10.1. TESTING PV SYSTEMS According to the requirements of the laws in force, the result of the test depends on settings about Temperature effects compensation and PRp calculations : Corr.Type Tcel value PRp calculation...

  • Page 143: Recording On Pv Systems

    SOLAR300 - SOLAR300N The final OUTCOME can be:  Non-displayable: if the obtained values are inconsistent (e.g. PRp >1.15) or if irradiation has never reached a steady value > minimum threshold set.  The maximum performance point (PRp) of the system The highest performance (maximum value of PRp) is detected according with previous relationships.

  • Page 144: Notes On Mppt (Maximum Power Point Tracker)

    SOLAR300 - SOLAR300N 10.3. NOTES ON MPPT (MAXIMUM POWER POINT TRACKER) Solar irradiation on a surface such as the surface of a photovoltaic system has extremely variable characteristics, since it depends on the position of the sun with respect to the surface and on atmospheric conditions (typically, on the presence of clouds).

  • Page 145: Voltage Anomalies

    SOLAR300 - SOLAR300N The reason why MPPTs are used is simple: a photovoltaic system without MPPTs may operate anyway; however, with the same solar irradiation, it provides less energy. There are inverters with 1, 2 or also 3 inbuilt MPPTs available on the market. Typically, the inverters with more than one MPPT are used in systems where: The different photovoltaic systems it consists of “forcibly”...

  • Page 146: Voltage And Current Harmonics

    SOLAR300 - SOLAR300N 10.5. VOLTAGE AND CURRENT HARMONICS 10.5.1. Theory Any periodical no-sine wave can be represented as a sum of sinusoidal waves having each a frequency that corresponds to an entire multiple of the fundamental, according to the relation: ...

  • Page 147: Limit Values For Harmonic Voltage

    SOLAR300 - SOLAR300N 10.5.2. Limit values for harmonic voltage EN50160 standard fixes the limits for the harmonic voltages, which can be introduced into the network by the power supplier. In normal conditions, during any period in a week, 95% of the RMS values of each harmonic voltage, mediated on 10 minutes, shall be lower than or equal to the values stated in the following table.

  • Page 148: Presence Of Harmonics: Consequences

    SOLAR300 - SOLAR300N 10.5.4. Presence of harmonics: consequences In general, even harmonics, i.e. the 2 etc., do not cause problems. Triple harmonics, odd multiples of three, are added on the neutral (instead of deleting each other) thus creating a condition of overheating of the wire which is extremely dangerous.

  • Page 149: Inrush Currents

    SOLAR300 - SOLAR300N 10.6. INRUSH CURRENTS The SOLAR300N meter permits the real time detection of inrush current events, typical of start-up of electrical machines and also for other industrial applications (e.g. troubleshooting problem regarding loads switching, correct calculation of protection devices, oscillating currents, etc…) as shown in the following pictures:...

  • Page 150: Flicker

    SOLAR300 - SOLAR300N FIX: The meter detect and recording a event each time the TRMS value of current, calculated on each half period (10ms @ 50Hz, 8.3ms @ 60Hz), it’s over the limit threshold defined by user. A new event is detected by meter always if the current value decrease under the set limit threshold.

  • Page 151: Supply Voltage Unbalance

    SOLAR300 - SOLAR300N 10.8. SUPPLY VOLTAGE UNBALANCE In normal conditions the supply voltage and the final loads are perfectly balanced. Unbalances are possible in trouble situations (low insulation) and/or phase circuits interruptions. Moreover, in single phase systems, the balance can be only statistic.

  • Page 152: Voltage Fast Transients (Spikes)

    SOLAR300 - SOLAR300N 10.9. VOLTAGE FAST TRANSIENTS (SPIKES) The meter considers all the phenomena associated to the phase voltage as voltage spikes which have the following properties:  Fast slope variations of voltage waveforms.  Exceeding a limit threshold fixed by user before starting a recording.
  • Page 153 SOLAR300 - SOLAR300N and that during the detectable time interval defined as:  32 x 5s = 160s.  32 x 78s = 2.5ms.  32 x 65s = 2.1ms. the positive and negative difference (defined DELTA+ and DELTA- respectively) it’s over the “windows”...

  • Page 154: Power And Power Factor: Definitions

    SOLAR300 - SOLAR300N 10.10. POWER AND POWER FACTOR: DEFINITIONS In a standard electrical installation powered by three sine voltages the following are to be defined:     cos( Phase Active Power: (n=1,2,3) actn   Phase Apparent Power:...

  • Page 155: Conventions On Powers And Power Factors

    SOLAR300 - SOLAR300N It shall be noted that the expression of the phase Reactive Power with no sine waveforms, would be wrong. To understand this, it may be useful to consider that both the presence of harmonics and the presence of reactive power produce, among other effects, an increase of line power losses due to the increased current RMS value.

  • Page 156: Three Phase 3 Wire Aron System

    SOLAR300 - SOLAR300N The active power (positive or negative) is defined in the panel and therefore acquires the value Pact of the active power in that moment. The reactive power (inductive or capacitive, positive or negative) is defined in the panel and Preact therefore acquires the value of the reactive power in that moment.

  • Page 157: Measuring Method: Outlines

    SOLAR300 - SOLAR300N 10.11. MEASURING METHOD: OUTLINES The meter is capable of measuring: voltages, currents, active powers, inductive and capacitive reactive powers, apparent powers, inductive and capacitive power factors, energies, analogical or pulse parameters. All these parameters are analysed in a digital way for each phase (voltage and current) and calculated based on formulas of the previous sections.

  • Page 158: After-Sale Service

    SOLAR300 - SOLAR300N AFTER-SALE SERVICE 11.1. WARRANTY This instrument is guaranteed against any defects in material and manufacturing, in compliance with the general sale terms and conditions. During the warranty period all defective parts may be replaced, but the manufacturer reserves the right to repair or replace the product.
  • Page 160 Web: www.htinstruments.es Web: www.ht-instruments.com Web: www.ht-instruments.com.br HT INSTRUMENTS USA LLC HT INSTRUMENTS GMBH HT ITALIA CHINA OFFICE 3145 Bordentown Avenue W3 Am Waldfriedhof 1b 意大利HT中国办事处 D-41352 Korschenbroich - GER 08859 Parlin - NJ - USA Room 3208, 490# Tianhe road, Guangzhou - CHN...

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