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HT SOLAR200 User Manual

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 Copyright HT ITALIA 2012
Release EN 1.03 - 05/06/2012

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Summary of Contents for HT SOLAR200

  • Page 1  Copyright HT ITALIA 2012 Release EN 1.03 - 05/06/2012...

  • Page 3: Table Of Contents

    SOLAR200 Table of contents: SAFETY PRECAUTIONS AND PROCEDURES ............3     1.1.  Preliminary instructions ..................... 3  1.2.  During use ......................... 3  1.3.  After use ..........................5  1.4.  Overvoltage categories - definitions .................. 5  GENERAL DESCRIPTION ................... 6    ...
  • Page 4 SOLAR200 7.2.2. How to delete the last measure or all of them ............... 52     7.2.3. Description of anomalous results ................... 52     CONNECTING THE INSTRUMENT TO A PC ............53     MAINTENANCE ......................54    ...

  • Page 5: Safety Precautions And Procedures

    (building yards, swimming pools...) and above 50V in ordinary environments, as there is a risk of electric shock.  Only use original HT accessories. In this manual, following symbols are used: CAUTION: Follow the instructions given in this manual; improper use may damage the instrument, its components or create dangerous situations for the operator.
  • Page 6 SOLAR200 not in use. EN - 4...

  • Page 7: After Use

    SOLAR200  Avoid measuring resistance with external voltages; although the instrument is protected, an excessive voltage may cause damage.  While measuring current, place the clamp toroid as far as possible from the conductors not involved in measurement, as the magnetic field they produce could interfere with the measuring operations.

  • Page 8: General Description

    SOLAR200 2. GENERAL DESCRIPTION 2.1. INTRODUCTION The instrument purchased by You, if used in compliance with the instructions given in this manual, will guarantee accurate and reliable safety measures also in single phase and three phase photovoltaic plants. 2.2. INSTRUMENT OPERATION...

  • Page 9: Preparation For Use

    SOLAR200 3. PREPARATION FOR USE 3.1. INITIAL CHECKS Before shipment, the instrument’s electronics and mechanics have been carefully checked. All possible precautions have been taken in order for the instrument to be delivered in optimum conditions. However, we recommend rapidly checking the instrument in order to detect possible damage occurred during transport.

  • Page 10: Operation Description

    SOLAR200 4. OPERATION DESCRIPTION 4.1. INSTRUMENT DESCRIPTION CAPTION: 1. Inputs 2. Display 3. Connector for optoisolated cable 4. Arrows/ENTER key 5. GO/STOP key 6. SAVE key 7. ON/OFF key 8. HELP key 9. ESC/MENU key Fig. 1: Description of the front part of the instrument CAPTION: 1.

  • Page 11: Keyboard Description

    SOLAR200 4.3. KEYBOARD DESCRIPTION The keyboard includes following keys: ON/OFF key to switch on/off the instrument ESC key to exit the selected menu without confirming MENU key to activate menu management     keys to move the cursor through the different screens in order to...

  • Page 12: Main Menu

    SOLAR200 5. MAIN MENU Pressing the MENU/ESC key in any allowable condition of the instrument displays the following screen, in which the instrument may be set, the saved measures can be displayed and the desired measuring function may be set.

  • Page 13: Auto Power Off

    SOLAR200 5.2.2. Auto power off Move the cursor to Auto power off by means of the arrow O F F keys (,) and confirm with ENTER. Subsequently, the displays shows setting screen which allows enabling/disabling the auto power off of the instrument after a O N 5 m i n period of 5 minutes inactivity.

  • Page 14: Electrical System Test

    SOLAR200 6. ELECTRICAL SYSTEM TEST Press (short pressure) the key to activate the display’s backlighting should it be difficult to read the display. Press (long pressure) the HELP key to display an indicative scheme of the connections between the instrument and the system being tested in the function set Should more help screens be available for the same function, use the ...
  • Page 15 SOLAR200 Fig. 4: Instrument connection by means of single cables and remote probe Press the MENU key, move the cursor to LOW L O W  in the main menu by means of the arrow keys - - - - ...
  • Page 16 SOLAR200 Connect the test leads to the ends of the conductor to be tested as in Fig. 4. CAUTION Always make sure, before any test, that the compensation resistance value of the cables is referred to the cables currently used. In case of doubt, repeat the cable calibration procedure as in 6.1.1.

  • Page 17: Cal Mode

    SOLAR200 6.1.1. CAL mode Fig. 5: Calibration of single cables and remote probe Use the arrow keys ,  to select the virtual Func key and set the CAL test mode by means of the arrow keys , . It is not necessary to confirm the selection with ENTER.
  • Page 18 SOLAR200 L O W  By using the AUTO, R+ or R- > 9 9 . 9  mode, in case the detected value is higher than the full scale, the instrument gives a long acoustic signal and > 9 9 . 9 ...
  • Page 19 SOLAR200 By using the CAL mode, L O W  1 . 9 8  verifying the calibrated value at the end of the CAL procedure, if the condition: ≤ R ≤ R + 0.05Ω MEAS 1 . 9 8 ...

  • Page 20: M: Measurement Of The Insulation Resistance

    SOLAR200 6.2. M: MEASUREMENT OF THE INSULATION RESISTANCE This function is performed according to standard IEC/EN61557-2 and allows measuring the insulation resistance between the active conductors and between each active conductor and the earth. The following operating modes are available: ...
  • Page 21 SOLAR200 Use the ,  keys to select the parameter to be modified, and the ,  keys to modify the parameter value. It is not necessary to confirm the selection with ENTER. The virtual Func key allows setting the measuring mode of the...

  • Page 22: Description Of Anomalous Results

    SOLAR200 In case the TMR mode has been selected, pressing the GO/STOP key on the instrument or the START key on remote probe stops the test before the set time has elapsed. 10. Should the measured value M  5 7 8 M ...
  • Page 23 SOLAR200 The results displayed can be saved by pressing the SAVE key twice or the SAVE key and, subsequently, the ENTER key (§ 7.1) If the instrument detects a M  - - - M  voltage of about 10V on the...

  • Page 24: Rcd: Test On A-Type And Ac-Type Rcds

    SOLAR200 6.3. RCD: TEST ON A-TYPE AND AC-TYPE RCDS This function is performed in compliance with standardsIEC/EN61557-6 and allows measuring the tripping time and the current of the system’s RCDs. The following operating modes are available:  AUTO the instrument performs measurement automatically with a leakage current...
  • Page 25 SOLAR200 Fig. 10: Instrument connection for 400V + N + PE three-phase RCD test by means of single cables and remote probe Fig. 11: Instrument connection for 400V + N (no PE) three-phase RCD test by means of single cables and remote probe Fig.

  • Page 26: Auto Mode

    SOLAR200 The virtual RCD key enables the selection of the RCD type, which may be: AC, AC S, A, A S (the options A, A S are not available if the electrical system set is IT) The virtual UL key allows setting the limit value of contact voltage...

  • Page 27: Mode

    SOLAR200 Once test is completed, in R C D 0 ° 1 8 0 ° case all six tests have had a x 1 / 2 > 9 9 9 m s > 9 9 9 m s positive result,...

  • Page 28: X1, X2, X5 Mode

    SOLAR200 6.3.3. x1, x2, x5 mode As an alternative: Press the GO/STOP key on the instrument or the START key on the remote probe once. The instrument will start measuring with a “0°” type current, injecting a current in phase with the positive half-wave of voltage.

  • Page 29: Mode

    SOLAR200 6.3.4. mode The standard defines the tripping times for RCDs at nominal current. The mode is used to detect the tripping time at tripping current (which could also be lower than the nominal voltage). As an alternative: Press the GO/STOP key on the instrument or the START key on remote probe once.

  • Page 30: Ra Mode

    SOLAR200 6.3.5. RA mode In RA mode, the contact voltage and the total earth resistance are measured by supplying a leakage voltage equal to half the value of the set nominal current in order to prevent the RCD from tripping.
  • Page 31 SOLAR200 If the RCD does not trip R C D 0 ° within the maximum duration of the test, the instrument >999ms gives a long acoustic signal which signals the negative FRQ=50.0Hz Ut=1.4V result of the test and then V P - N = 2 2 1 V...
  • Page 32 SOLAR200 If the instrument detects that R C D 0 ° the phase and neutral leads are inverted, the message ---ms reported here to the side is displayed. Rotate the shuko FRQ=50.0Hz Ut=1.4V plug or check the connection V P - N = 2 2 8 V...
  • Page 33 SOLAR200 12. If the instrument detects a R C D 0 ° phase-to-neutral voltage lower than the minimum limit, ---ms it does not perform the test and displays message FRQ=50.0Hz Ut=1.4V reported here to the side. V P - N = 1 V...
  • Page 34 SOLAR200 16. If, after repeated tests, the R C D 0 ° instrument has overheated, the message reported here ---ms to the side is displayed. Wait this message FRQ=50.0Hz Ut=1.4V disappear before performing V P - N = 2 3 1 V...

  • Page 35: Loop: Measurement Of Line/Loop Impedance

    SOLAR200 6.4. LOOP: MEASUREMENT OF LINE/LOOP IMPEDANCE This function is performed according to standards IEC/EN61557-3 and allows measuring the line impedance, the earth fault loop impedance and the prospective short circuit current. The following operating modes are available:  P-N...
  • Page 36 SOLAR200 Fig. 16: Instrument connection for 400V + N + PE three-phase P-P line impedance measurement by means of single cables and remote probe Fig. 17: Instrument connection for 400V + PE (no N) three-phase P-PE fault loop impedance measurement through single cables and remote probe...

  • Page 37: P-N Mode

    SOLAR200 The virtual RMT key, active only when the Z2Ω mode has been selected with the MOD key, displays the serial number and the FW version of the remote unit IMP57 If possible, disconnect all loads connected downstream of the measured point, as the impedance of these users could distort the test results.

  • Page 38: P-P Mode

    SOLAR200  Formula used for calculating the prospective short circuit current: where: is the measured phase-to-neutral impedance is the nominal phase-to-neutral voltage = 127V if V ≤ 150V P-N meas = 230V or U = 240V (§ 5.2.3) if V >...

  • Page 39: P-Pe Mode In It Systems

    SOLAR200 Press the GO/STOP key on the instrument twice or the START key on the remote probe before the hyphens disappear. The instrument will start measuring with a “180°” type current, injecting a current in phase with the negative half-wave of voltage CAUTION If message “Measuring…”...

  • Page 40: Description Of Anomalous Results

    SOLAR200 Once test is completed, if the L O O P measured contact voltage 63mA value is lower than the set First earth fault current limit, the instrument gives a U t = 1 9 . 7 V Measured contact voltage value double acoustic signal and FRQ=50.0Hz...
  • Page 41 SOLAR200 If the instrument detects a L O O P phase-to-neutral voltage and phase-to-earth voltage ---- lower than the limit, the - - - A message reported here to FRQ=50.0Hz the side is displayed. Check V P - N = 1 V...
  • Page 42 SOLAR200 By using the P-PE mode, if L O O P 0 ° the instrument detects that, in case the test should be ---- performed, a contact voltage - - - A higher than the set limit FRQ=50.0Hz would build up in the system...

  • Page 43: R A : Measurement Of The Total Earth Resistance

    SOLAR200 6.5. R MEASUREMENT OF THE TOTAL EARTH RESISTANCE This function is performed in compliance with standards IEC/EN61557-6 and allows measuring the impedance of the fault loop, comparable to the overall earth resistance in TT systems. One single operating mode is available.
  • Page 44 SOLAR200 Press the MENU key, move the cursor to Ra in the main menu by means of the arrow keys (,) and confirm with ENTER. Subsequently ----- the instrument displays a screen similar to the - - - - A one reported here to the side.

  • Page 45: Description Of Anomalous Results

    SOLAR200 The results displayed can be saved by pressing the SAVE key twice or the SAVE key and, subsequently, the ENTER key (§ 7.1) 6.5.1. Description of anomalous results If the instrument detects an impedance higher than the Impedance value higher than the full >1999...
  • Page 46 SOLAR200 If the instrument detects a phase-to-neutral voltage and phase-to-earth voltage ---- lower than the limit, the - - - A message reported here to FRQ=50.0Hz the side is displayed. Check V P - N = 1 V V P - P e = 1 V...
  • Page 47 SOLAR200 If the instrument detects an extremely high earth resistance, so that it deems ---- the earth conductor or the - - - A earthing absent, it does not FRQ=50.0Hz perform the test and displays V P - N = 2 3 1 V...

  • Page 48: 123: Phase Sequence Test

    SOLAR200 6.6. 123: PHASE SEQUENCE TEST This function is preformed in compliance with standards IEC/EN61557-7 and allows testing the phase sequence by direct contact with parts under voltage (no cables with insulating sheath). The following operating modes are available:  1T one test lead mode ...
  • Page 49 SOLAR200 Press the GO/STOP key on the instrument or the START key on remote probe. The instrument will start the measurement. CAUTION If message “Measuring…” appears on the display, the instrument is performing measurement. During this whole stage, do not disconnect the test leads of the instrument from the mains.
  • Page 50 SOLAR200 Fig. 25: Instrument connection for measuring the phase sequence with two leads, phase 2 connection When the instrument detects 1 2 3 a voltage higher than the minimum limit value on the test lead, the instrument displays the screen reported...

  • Page 51: Description Of Anomalous Results

    SOLAR200 6.6.1. Description of anomalous results Once acquisition 1 2 3 completed, if the instrument has detected an uncorrect Correct phase sequence phase sequence, it displays a screen similar to the one reported here to the side and gives a long acoustic signal...

  • Page 52: Memory

    SOLAR200 7. MEMORY 7.1. HOW TO SAVE A MEASURE When the SAVE key is first S A V E pressed, as described in the First available memory location (last M e m o r y : 0 1 5 saved + 1) §s regarding the different...

  • Page 53: Saved Data Management

    SOLAR200 7.2. SAVED DATA MANAGEMENT Press the MENU key, move the cursor to MEM M E M in the main menu by means of the arrow keys M E M T I P O L O W  0 0 1...

  • Page 54: How To Delete The Last Measure Or All Of Them

    SOLAR200 7.2.2. How to delete the last measure or all of them By means of the CANC virtual key select LST C L R or TOT whether you want to delete the last measure or all the measures in the memory.

  • Page 55: Connecting The Instrument To A Pc

    SOLAR200 8. CONNECTING THE INSTRUMENT TO A PC The instrument can be connected to a PC via a serial port or USB and an optoisolated cable. Before connecting, it is necessary to select the port to be used and the right baud rate (9600 bps) on the PC.

  • Page 56: Maintenance

    SOLAR200 9. MAINTENANCE 9.1. GENERAL The instrument you purchased is a precision instrument. When using and storing it, please observe the recommendations listed in this manual in order to prevent any possible damage or danger. Do not use the instrument in environments with high humidity levels or high temperatures.

  • Page 57: Specifications

    SOLAR200 10. SPECIFICATIONS 10.1. TECHNICAL FEATURES Continuity test (LOW) Range [] Resolution [] Uncertainty 0.00  9.99 0.01 (2.0rdg + 2dgt) 10.0  99.9 Test current >200mA DC up to 5 (include the resistance of the calibration) also with half-charged battery uncertainty (5.0%rdg + 5dgt)
  • Page 58 SOLAR200 Tripping current ( ) IdN [mA] Type Range IdN [mA] Resolution [mA] Uncertainty (0.5  1.1) IdN ≤ 10 (0.3  1.1) IdN 0.1IdN -0%, +10%rdg (0.5  1.1) IdN > 10 (0.3  1.1) IdN RCD type AC (...

  • Page 59: Safety Specification

    SOLAR200 10.2. SAFETY SPECIFICATION 10.2.1. General Instrument safety: IEC/EN61010-1, IEC/EN61557-1, -2, -3, -4, -6, -7 Technical documentations: IEC/EN61187 Accessory safety: IEC/EN61010-031 IEC/EN61010-2-032 Insulation: double insulation Pollution level: Indoor use; max height: 2000m (6592 ft) (*) Overvoltage category: CAT III 240V to earth, max 415V among inputs P, N, PE 5V to ground, max 7.2V...

  • Page 60: Service

    SOLAR200 11. SERVICE 11.1. WARRANTY CONDITIONS This instrument is guaranteed against any defect in material and manufacturing in compliance with the general sales terms and conditions. Throughout the period of guarantee all defective parts may be replaced and the manufacturer reserves the right to repair or replace the product.

  • Page 61: Practical Reports For Electrical Tests

    SOLAR200 12. PRACTICAL REPORTS FOR ELECTRICAL TESTS 12.1. CONTINUITY MEASUREMENT ON PROTECTIVE CONDUCTORS 12.1.1. Purpose of the test Check the continuity of:  protective conductors (PE), main equalizing potential conductors (EQP), secondary equalizing potential conductors (EQS) in TT and TN-S systems ...

  • Page 62: Insulation Resistance Measurement

    SOLAR200 12.2. INSULATION RESISTANCE MEASUREMENT 12.2.1. Purpose of the test Check that the insulation resistance of the installation complies with the requirements of the standards. This test is to be effected on an open circuit with any load disconnected. Standard Description Test voltage [V] Minimum allowed value [M]...
  • Page 63 SOLAR200 EXAMPLE OF INSULATION MEASUREMENT ON AN INSTALLATION Fig. 27: Insulation measurements on an installation The switches D and E are those installed near the load having the purpose of separating it from the installation. In case the above said RCDs do not exist, or they are monophase, it is necessary to disconnect the users from the installation before effecting the insulation resistance test.

  • Page 64: Check Of The Circuit Separation

    SOLAR200 Switch situation Point under test Measurement Judgment on the installation Effect the  OK ( If R end of the test A, D Turn the switch LIMIT measurement on and E off If R  2 Proceed switch LIMIT ...

  • Page 65: Purpose Of The Test

    SOLAR200 insulation or a metal screen connected to the earth) and there are earthed points (not insulated from the earth). A system with electrical separation is featured by: insulation transformer or autonomous source with equivalent features (ex. generator) power supply, protection separation to other electrical systems (insulation not lower than that of the insulation transformer)and protection separation to the earth (insulation not lower than that of the insulation).
  • Page 66 SOLAR200 EXAMPLE OF CHECKING THE SEPARATION AMONG ELECTRICAL CIRCUITS Insulation or safety transformer separating the circuits TEST BETWEEN ACTIVE PARTS Connect an instrument probe to one of the two conductors of the separated circuit and the other to one of the conductors of a non-...

  • Page 67: Working Test Of Rcds

    SOLAR200 12.4. WORKING TEST OF RCDS 12.4.1. Purpose of the test Check standard IEC/EN61557-6 whether general and selective RCDs have been installed and adjusted properly and whether they maintain their features over the time. The check shall confirm that the RCD trips at a current IdN lower than its rated working current IdN and that the tripping time meets, depending on the case, the following conditions: ...

  • Page 68: Test Of Rcd Tripping Current

    SOLAR200 Before effecting the test at the RCD rated current the instrument carries out a test at ½IdN to measure the contact voltage and the overall earth resistance; if during this test the RCD trips an error message is displayed. During this test the RCD may trip for three possible reasons: ...

  • Page 69: Measurement Of Short-Circuit Impedance

    SOLAR200 12.6. MEASUREMENT OF SHORT-CIRCUIT IMPEDANCE 12.6.1. Purpose of the test Check that the tripping power of the protection device is higher than the maximum fault current of the installation. 12.6.2. Installation parts to be checked The test shall be effected in the point where the short circuit current is the highest possible, usually immediately downstream the RCD to be checked.

  • Page 70: Earth Resistance Measurementin Tt Systems

    SOLAR200 12.8. EARTH RESISTANCE MEASUREMENTIN TT SYSTEMS 12.8.1. Purpose of the test Check that the RCD is coordinated with the earth resistance value. It is not possible to assume an earth resistance value as reference limit when controlling the test result, while it is necessary to check every time that the co-ordination complies with the requirements of the standards.
  • Page 72 Via della Boaria 40 48018 – Faenza (RA) - Italy Tel: +39-0546-621002 (4 linee r.a.) Fax: +39-0546-621144 email: ht@htitalia.it http://www.ht-instruments.com...