a-eberle PQ-Box 100 Operating Manual

Power quality analyser
Table of Contents

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Operating manual
Power Quality Analyser PQ-Box 100
Power Quality Software
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Type PQ-Box 100

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Summary of Contents for a-eberle PQ-Box 100

  • Page 1 Operating manual Power Quality Analyser PQ-Box 100 Power Quality Software Type PQ-Box 100...
  • Page 2 In this case, either contact us directly or refer to the most recent version of the operating manual, available on our website (www.a-eberle.de). A. Eberle GmbH & Co. KG Frankenstraße 160...
  • Page 3: Table Of Contents

    Reference conditions ......................10 Environmentalconditions ....................... 11 Operating conditions ......................12 Brief description of the PQ-Box 100 ..................16 Overview of the PQ-Box 100 Network Analyser ..............18 PQ-Box 100 Connection ......................18 3.7.1 Voltage Connection for Low-Voltage 3 Phase grid ..............19 3.7.2...
  • Page 4 Software installation / uninstallation ..................36 Start Screen of the PQ-Box 100 Software ................38 5.2.1 Common setup software ......................39 Loading the measurement file from the PQ-Box 100 to the PC ..........43 5.3.1 Data folder in Windows Explorer .................... 45 5.3.2 Download data during the PQ-Box 100 is running ..............
  • Page 5 Real Time - Details of Measurement Values ................99 Online – phasor diagram ...................... 100 Power flow – Online graphic ....................101 Methods of measurement / formulas PQ-Box 100 ............102 Voltage / Current rms values; Min / Max values ..............102 Ripple signal voltage ......................102 Flicker Pst / Plt ........................
  • Page 6: User Guidance

    We take care of it User Guidance Warnings Types of Warnings Warnings are distinguished according to the type of risk through the following signal words: → Danger warns of a risk of death → Warning warns of physical injury → Cau;on warns of damage to property Structure of a warning Nature and source of the danger Actions to avoid the danger.
  • Page 7: Safety Information

    The warranty for the PQ-Box 100 and accessories is three years in use, under normal operating conditions. Cleaning / Maintenance Cleaning: The PQ-Box 100 should not be opened for cleaning purposes. Do not use solvents for cleaning nor im- merse the device in liquid. Caution: Don´t open the meter under any circumstances! The opening can result in electric shock.
  • Page 8: Measurement Categories (Cat)

    As any ‘nominal’ voltage system may exhibit over-voltages, the following maximum permissible ratings should not be exceeded: • The PQ-Box 100 is rated for a maximum input voltage to earth, of 600 V rms (CAT III), but with a maximum of 300 V rms in CAT IV locations •...
  • Page 9: Hardware Pq-Box 100

    280 V AC (220 V DC), the switched-mode power supply can be damaged Hardware PQ-Box 100 General Technical Data The PQ-Box 100 network analyser is suitable for analyses in low, medium and high-voltage networks. It fulfils all the requirements contained in IEC61000-4-30 for measurement instruments, Class A. Functions:...
  • Page 10: Reference Conditions

    < 0.1 % from 10 % to 150 % of nominal voltage Accuracy of current inputs: (PQ-Box 100 delivered up to 12/2010 = 230 mV rms / PQ-Box 100 delivered from 01/2011 = 700 mV rms) Uc (50 Hz) 0.85 mV ≤ Ue < 5 mV 5 mV ≤...
  • Page 11: Environmentalconditions

    Environmentalconditions Temperature range Function -20 ... +60°C Transport and storage -30 ... +80°C Humidity No condensation < 95 % rel. Dry, cold IEC 60068-2-1 -15°C / 16 h Dry, hot IEC 60068-2-2 +55°C / 16 h Constant humid heat IEC 60068-2-3 + 40 °C / 93 % / 2 days Cyclical humid heat IEC 60068-2-30...
  • Page 12: Operating Conditions

    We take care of it Operating conditions Measurement quantity Error limits according IEC 61000-4-30, Class A Fundamental oscillation: r.m.s. ±0.1% of U over 10% ~ 150% of U Fundamental oscillation: Phase ± 0.15° over 50% ~ 150% of U over f ±15% 2nd ...
  • Page 13 Operating conditions and magnitude of additional error Temperature in range 0°C to 45°C 35ppm / 1K Humidity < 95% Instrument supply voltage and related series < 1ppm interferences common-mode interference voltage between Current: 50Hz / 1,5µA/V; 1kHz / 50µA/V earth connection of the instrument and Voltage: 50Hz / 85dB;...
  • Page 14 This version has additional comprehensive trigger functions, which can record 10 ms rms. values. 4) PQ-Box 100 expert with ripple signal analysis Recorder for ripple signal voltage is activated. You can upgrade any PQ-Box 100 to “light”, “expert” or “expert + ripple signal” version via license code. Page 14...
  • Page 15 Performance PQ-Box 100 basic light expert Statistic EN50160 / IEC61000-2-2 PQ events Free interval: Voltage: min. max. average Current: min. max. average Power: P, Q, S, PF, cos phi Distortion power D Energy: P, Q, P+, P-, Q+, Q- Flicker (Pst, Plt)
  • Page 16: Brief Description Of The Pq-Box 100

    The PQ-Box 100 is equipped with a large memory capacity of 2 GB. This allows measurement values to be recorded over long periods of time, up to 12 months. In the event of a power failure, an internal UPS pro- vides power to the network analyser for 20 seconds.
  • Page 17 PCs. Updates are also provided via our website (www.a-eberle.de) at no cost. The software offers many display and analysis options permitting load analysis, fault detection in a net- work and comprehensive real-time analysis.
  • Page 18: Overview Of The Pq-Box 100 Network Analyser

    - USB port (PC) PQ-Box 100 Connection Connect the 7-pin plug connector of the desired current clamp set to the PQ-Box 100. Standard current clamps are automatically detected and the measurement range is automatically set correctly. Ensure that the measurement cables and current clamps are properly connected i.e. firmly closed and in the correct direction.
  • Page 19: Voltage Connection For Low-Voltage 3 Phase Grid

    3.7.1 Voltage Connection for Low-Voltage 3 Phase grid Damage to the PQ-Box 100 by short circuits For measurements in network with a big short circuit power, ensure that the voltage leads and power supply are used with integrated Power Fuses. Please Caution use our fuse adapter set.
  • Page 20 The measurement device can be supplied with power in a 400 V AC system via the conductor-earth volt- age. Power Supply PQ-Box 100 Damage to the power supply PQ-Box 100 by using wrong voltage supply device only with 100-280 V AC voltage.
  • Page 21: Voltage Connection For Low Voltage Single Phase

    3.7.2 Voltage Connection for Low Voltage Single Phase Damage to the PQ-Box 100 by short circuits For measurements in network with a big short circuit power, ensure that the voltage leads and power supply are used with integrated Power Fuses. Please Caution use our fuse adapter set.
  • Page 22: Voltage Connection To Secondary Transformers In Medium And High-Voltage Networks

    The PQ-Box 100 can also be powered via the voltage transformer secondary voltage. However, to avoid any feedback effects on the measurement values by the measurement device’s power supply, it is recommended that you supply the device from an external power source.
  • Page 23: Start Of The Measurement

    The PQ-Box 100 has four voltage inputs and therefore provides the capability of measurement the neutral earth voltage (neutral star point to earth). VT - CT connections: For voltage transformers with open-delta connections or if using a two-wattmeter connection (Aron cir- cuit) via current transformers select the appropriate configuration in the setup of PQ-Box 100.
  • Page 24: Time Synchronisation At The Rs232 Port

    The RS232 port is designed for connecting a DCF77 receiver or GPS time clock supplied from A. Eberle. If the network analyser detects that a time-receiver is connected, the measurement device automatically synchronises to this time pulse. If no time receiver is detected, the PQ-Box 100 uses an internal quartz clock.
  • Page 25: Pq-Box 100 Display

    3.11 PQ-Box 100 Display 3.11.1 Start screen Recording duration Recording ON / OFF Free memory Current measurement values If no key is pressed, the screen illumination switches off after 15 minutes. Note to reduce the flicker of digits if CT clamps are not connected, and display of values substantially be-...
  • Page 26: Scrolling Through The Screens

    We take care of it 3.11.2 Scrolling Through the Screens Using the key, you can move through the different pages of the real-time rms. values in a circular fashion. 2. Screen page: This page shows the number of recorded oscilloscope records, rms records, ripple signal records and power quality events.
  • Page 27: Changing Settings In The Pq-Box 100 Setup

    3.12 Changing Settings in the PQ-Box 100 Setup Using the key, the menu opens in order to allow basic settings to be changed in the meas- urement device. The key is disabled during an ongoing measurement. 3.12.1 PQ-Box 100 Parameterisation...
  • Page 28 Event trigger setups 4-wire setting 3-wire setting PQ-Box 100 LCD Line-to-Earth voltages shown Line-to-Line voltages shown PQ-Box 100 Software EN50160 EN50160 reports show voltages EN50160 reports show voltages as Line-to-Earth values as Line-to-Line values Permanent Recorded Voltage...
  • Page 29: Date, Time And Language Settings

    Oscilloscope & “10ms RMS” re- L-L, L-E and N-E values recorded corder (also see Note 1) Online data Oscilloscope L-L, L-E and N-E L-L, L-E and N-E Spectrum L-L, L-E and N-E L-L, L-E and N-E Harmonics L-E and N-E Inter-Harmonics L-E and N-E Direction...
  • Page 30: Memory Management Pq-Box 100

    3.12.5 Delete memory of PQ-Box 100 It is possible to delete the PQ-Box 100 memory without a computer, using the front panel keys. and. Press and hold the buttons while connecting the power supply to the device.
  • Page 31: Accessories For Current Measurement

    Accessories for current measurement The PQ-Box 100 automatically detects the current clamps and sets the correct measurement range using a code in the plug connector of compatible CT clamps. Note some CT’s require the user to input a correction factor this is described below for the applicable devices.
  • Page 32: Current Clamps

    We take care of it Current clamps The MU-metal clamp is especially applicable for small current measurements on secondary transformers in medium- and high-voltage networks. High accuracy and small angle errors are combined. Mu-Metal Mini-Current clamps 3~: Ident-No. 111.7003 Current range: 10mA to 20A Frequency range: 40Hz to 20kHz Mu-Metal Mini-Current clamps 4~: Ident-No.
  • Page 33 AC/DC Current clamp 1~: Ident-No. 111.7020 AC/DC hall sensor clamp. Set with power supply and 2 pcs. 4mm connectors Current range 60A/600A (two ranges) Model 111.7020 Measurement range AC/DC 60 A AC/DC 600 A Current range 60 A AC/DC RMS 600 A AC/DC RMS Measurement range 200 mA to 60 A RMS...
  • Page 34: Accessories For Current Measurement

    0 – 330 mV rms). Do not exceed these ratings. The PQ-Box 100 is designed for clamps with a 20 A to 200 mV scaling factor. If using clamps with a differ- ent ratio, you must apply a correction factor to the PQ-Box 100.
  • Page 35: Ordering Details Of The Pq-Box 100 And Accessories

    Lemp rubber case for fuse box Silex Box, SX-3000GB; USB to TCP-IP converter 111.9030.43 Kit of magnetic voltage taps 111.7008 GPS radio clock (230V – RS 232) 111.9024.47 CAT-Booster (600V CAT IV) voltage adapter for PQ-Box 100 / 200 111.7026 Page 35...
  • Page 36: Pq-Box 100 Analysis Software

    We take care of it PQ-Box 100 Analysis Software The analysis software “WinPQ mobil” supports the PQ-Box 100 mobile network analyser. It was developed in collaboration with energy supply companies with the aim of producing an easy-to- operate and adaptable solution for evaluating network quality parameters in energy distribution net- works.
  • Page 37 The removal of all components from the computer is done via the Windows “control panel.” Under “Software“, click on “PQ-Box 100,” and click the "Remove" button to delete the analysis software. All program components, including the links that were created, are completely removed by clicking the button once.
  • Page 38: Start Screen Of The Pq-Box 100 Software

    Start Screen of the PQ-Box 100 Software Start screen of the PQ-Box 100 analysis software - Opens a measurement from the hard-drive - Loads the measurement data of the PQ-Box 100 - Changes setup of the PQ-Box 100 - Online measurement using PQ-Box 100...
  • Page 39: Common Setup Software

    5.2.1 Common setup software Changing the language: In the “Setup Languages”, you can change the language used for the analysis software. After you change the language, the software must be restarted for the change to take effect. Changing colours The colours of the different channels in all diagrams can be changed. There are two different settings possible: Windows native and Black magic.
  • Page 40 We take care of it Common settings WinPQ mobil Title of the power quality report Two fix comments will be printed on all reports and graphs. Customer logo for reports and printings 1) Extended Report This function extend the standard re- port with all PQ events and the ITIC graph 2) Include tanphi in report...
  • Page 41 These 4 labels you will find under the icon “Comments...” and can be filled with information according the measurement. Setup Harmonics In Setup Harmonics it is possible to change the displayed units of voltage- and current harmonics for all measurements: voltage harmonics can be displayed as “volts”...
  • Page 42 We take care of it Design of the software Two software designs are available 1) Windows native 2) Black magic (Windows native colors will be used for printing in Black magic) For print always the colours Windows native are used. Page 42...
  • Page 43: Loading The Measurement File From The Pq-Box 100 To The Pc

    Note that online measurements and recordings cannot be made while the PQ-Box 100 is powered by USB only. The following display appears on the display of the PQ-Box 100 if the device is being powered via a USB port: When the PQ-Box 100 is connected the icon can be used to display all of the available measure- ment data within the PQ-Box 100 memory.
  • Page 44 We take care of it Important: We recommend you to delete the measurement data from the PQ-Box 100 memory after the download in order to avoid filling up the memory of the measurement device unnecessarily. Comments: Four comments can be entered, with double mouse click, here for each measurement. If no comments have been entered, the word “Comment”...
  • Page 45: Data Folder In Windows Explorer

    Download data during the PQ-Box 100 is running To download the data from PQ-Box 100 while the measurement is running, you have to stop the record- ing for the period of data transfer. An “break” function has been provided to automate this, and to continue recording data to the same file.
  • Page 46: Analysis Of Measurements

    We take care of it Download the selected data file Now you can continue the recording with the PQ-Box 100 by pressing the “Continue” button. The display of the PQ-Box will show the recorder “ON”. Analysis of Measurements All of the measurements that are available on the PC are listed under the hard-disk tab.
  • Page 47: Change Data Folder

    Sort data in ascending or descending order (Date or Comment) Change data folder With double mouse click on “Comment” you can change the text for the measurement file. 5.4.1 Change data folder It is possible to change the default data folder for all measurements. The name of the folder can be re- named.
  • Page 48 We take care of it After selecting on data file you wish to use, first displayed is the information about the total measurement period. In the field “Evaluation period” it is possible to select a subset of the data to be open by changing the values.
  • Page 49 Start screen after loading the demo measurement. Report acc. to EN50160/ IEC61000- Spectrum of voltage and current 2-2 or IEC61000-2-4 harmonics and interharmonics Marker for measured values Information of the selected measurement (trigger thresholds, VT, CT ratio ..) In ”Comments“, you can add 8 comments 5 selections of the for each measurement.
  • Page 50: Standard Analysis According To En50160 And Iec61000-2-2

    We take care of it If the mouse pointer is over one Oscilloscope or “10ms RMS” record, the details of this record will be dis- played. Lines showing the days and weeks With a mouse click on one Oscilloscope or “10ms RMS” record you can open directly the disturbance record.
  • Page 51 EN50160 and IEC61000-2-2. The maximum measurement value for each harmonic is displayed. All standard limit values can be changed by the user as required in the “setup” menu of the PQ-Box 100 software.
  • Page 52 We take care of it Listing of the standard default settings of the network analyser: In the “Details” tab of the EN report, you will see detailed data of the respective highest and lowest values and the reference to the standard limit value. Example: Standard analysis flicker The maximum values of the phases are: L1 = 0.81;...
  • Page 53 In the “Harmonic Plot” ” tab, the limit values of the standards, the 95 % values (red bar graph) and maxi- mum values (blue bar graph) of the individual phases are listed. Example: Detailed list of the 2 to 50 harmonics and the respective compatibility levels.
  • Page 54 We take care of it In the “Harmonics” tab, the limit values of the standards and the 95 % values and maximum values of the individual phases are listed in tables. If a harmonic exceeds the limit values, the values and targets will be highlighted in red.
  • Page 55 EN50160 / IEC61000-2-2 report: With the function “Print” (right mouse click) the report can be printed on a printer or stored as a PDF document. Send this report Produce PDF- Printer setup Leaf to the next page in the report to printer document Page 55...
  • Page 56: Bargraphs Of Harmonics And Interharmonics

    We take care of it 5.4.3 Bargraphs of harmonics and interharmonics Voltage harmonics Current harmonics and and interharmonics interharmonics With these two icons the software generates the statistic of all voltage and current harmonics and interharmonics. In our example the main current harmonics are the 11 , 13 , 17 and 19...
  • Page 57 The example shows the list of all current harmonics of the three phases and neutral. The ordinals 5 and 7, 11 and 13, 17 and 19 stand out. Red bar represents the 95% measured value, the blue bar represents the 100% value.
  • Page 58: Dach-Cz Report

    We take care of it 1.3.1 DACH-CZ report The software produces an automatic report according the D-A-CH-CZ standard. All current harmonics will be compared to the maximum allowed limit of this standard. You have to fill the “short circuit power” of the network, the connected load and the nominal voltage. DACH-CZ report compare all current harmonics to the limits.
  • Page 59: Level-Time" Diagram Of Permanent Recorded Data

    5.4.4 “Level-Time” Diagram of Permanent Recorded Data All available permanently recorded measurement data are listed in the “Permanent Record” tab item. More than 2,250 measurement parameters are saved in each measurement (voltages, harmonics, inter- harmonics, currents and power etc). Any number of measurement values can be shown together in a level-time diagram. For example, it is possible to see the connection between voltage fluctuations, the resulting flicker levels and the consum- ers in the network, based on the corresponding changes in the current.
  • Page 60 We take care of it Zooming in the graphic: To enlarge an area, press the left mouse key and drag a box from the top left to the bottom right. If the box is drawn in the reverse direction, the zooming is reset. The sliding bar shows the area of zoom.
  • Page 61 Marker: If the icon “Mark” is active, it is possible to set two markers in the diagram. Marker 1: left mouse & Shift Marker 2: left mouse & CTR The marker selects automatically the next measuring point in the graphic. The time of the marker will show the precise time of each 10 ms value, even if the long time interval was adjusted to a long period,...
  • Page 62 We take care of it Style of the lines Four different kinds of styles for the lines are available. 1. All values will be linked point to point (basic setting for all diagrams) 2. Displays only the dots – no link 3.
  • Page 63 Additional functions of the right mouse key in the menu: Delete marker – If one marker is set, it is possible to delete the marker Show flagging = data measured during a voltage dip or swell will be flagged (according IEC61000-4-30 class A).
  • Page 64 We take care of it Add Limit Marker In menu “Add limit Marker” it is possible to set several limit marker lines. The colour and value (threshold) according to left or right axis values can be defined. Example: Threshold line for the voltage; 207 V (Unom – 10 %) Show limit marker harmonics The software automatically suggests the thresholds for harmonics.
  • Page 65 Insert comment in diagram With the function: ”insert comment“, it is possible to implement several text comments in each diagram. To delete or move this comment in the graphic, you can click the text with your mouse. If the text changes to red, you can delete or move this comment on the screen. Comments are not saved to the recorded file, but are useful for adding comments to PDF reports and screen shots.
  • Page 66: Oscilloscope Recordings

    We take care of it 5.4.5 Oscilloscope Recordings All of the Oscilloscope records (recorded manually and via trigger settings) are listed using the “Oscillo- scope" tab. These records can be sorted by time or trigger condition. The corresponding Oscilloscope record is displayed by double-clicking on the line or clicking on the button.
  • Page 67 The icon: ”FFT“, calculates from each oscilloscope record the spectrum of voltage and current harmonics and interharmonics from DC up to 5000 Hz in steps of 5Hz. The “Marker“ will show the selected frequency and the amplitude Page 67...
  • Page 68: 10Ms Rms" Records

    We take care of it 5.4.6 “10ms RMS” Records All of the “10ms RMS” records (recorded manually and via trigger settings) are listed using the “10 ms RMS" tab. These can be sorted by time or trigger condition. The corresponding “10ms RMS” record is displayed by double-clicking on the line or clicking on the button.
  • Page 69: Ripple Signal Recorder

    5.4.7 Ripple signal recorder With the option “Ripple signal recorder” it is possible to trigger to the signal voltage and start a record especially for this frequency. The maximum length of the recorder is 210 seconds. There are recorded the voltages and currents In this example the frequency of 180 Hz was recorded over 1 minute and 40 seconds.
  • Page 70: Pq Events

    We take care of it 5.4.8 PQ Events The “PQ events” tab shows all overshoots of the specified limit value. button gives you a detailed list of the PQ events with the time and extreme values. With the button it is possible to show all voltage dips, swells and interruptions in an ITIC graph.
  • Page 71 In PQ events additional to the ITIC graph the UNIPEDE statistic for voltage dips and voltage swells is avail- able. This matrix can be changed in WinPQ mobil/settings/common to the NRS 048 statistic. Page 71...
  • Page 72: Data Export Function

    We take care of it 5.4.9 Data export function In Setup/Export it is possible to configure the general settings of the data export function. With “Export to CSV” you have the possibility to export all permanent data. In the following menu you can select all parameters which you want to export. With “save selection”...
  • Page 73 When exporting the data file, you can change the name of the data file, and location. Example of a file exported and opened MS-Excel: The order of the selected data in data export is automatically the order of columns in the export file.
  • Page 74: Additional Functions

    We take care of it In CSV export you will have the minimum - and maximum - RMS output with the exact time stamps. Also, the Short Time Flicker (PST) and the Long time Flicker (PLT) has it’s own time stamps regardless of the programmed measurement interval as 10 min interval is issued.
  • Page 75 The various command/control windows such as the "Measurement data overview" windows can be closed in order to make more room for the analysis graphics. It is possible to reactivate these via the “View” menu. Close “Data overview” window Page 75...
  • Page 76 We take care of it Comparing two different measurements to each other. During an analysis, it is possible to open an additional measurement record, create another level-time diagram and/or standard EN analysis, and using the “Window-> Segmenting” menu item to compare these to each other on one screen (next to each other).
  • Page 77: Changing Limit Values And Pq-Box 100 Settings

    Resets displayed settings to default values. (Please note these still need to be “sent” to the PQ-Box 100 to take effect). The Basic settings button loads all settings from the stored file “PQBox_Param_defult.ini” This file can be overwritten if you desire to create your own default settings.
  • Page 78: Setup - Basic Settings

    We take care of it Synchronize time of PQ-Box 100 to the PC time at this moment. If this option is activated, the PC automatically synchronizes the PQ-Box as each setup is sent. This function can start and stop a measurement on the meter from the software.
  • Page 79 230 V or 20500 V The measurement interval of the PQ-Box 100 can be freely set, between 1 and 1800 seconds. The default setting is 10 minutes, because this is the duration of the interval specified in EN50160 and IEC61000-2-2.
  • Page 80 We take care of it Note - Data Quantity Setting the measurement interval to values less than 60 seconds is only suitable for short measurement periods (a few hours), since large amounts of data are recorded by the meas- urement device. Examples of the data size of the long-term data;...
  • Page 81 Transducer factor voltage and current The transformer ratio of the current and voltage transformers to which the network analyser is connected must be entered in the transformer settings. Example: Medium voltage: primary = 20000 V; secondary = 100 V; transducer factor U = 200 Current: primary = 600A;...
  • Page 82 We take care of it Power interval: All power values will be recorded parallel to the free adjustable interval with a 10, 15 or 30 minutes inter- val as set. These intervals start always in sync with the full hour. That is if recording is started at 14:37, and 15 minute interval has been selected, the first valid power date interval will be 14:45 to 15:00.
  • Page 83 Trigger threshold setting will be ignored Option ripple signal recorder If the option “ripple signal recorder” activated in the PQ-Box 100, it is possible to start a high speed re- corder that monitors this frequency. You can setup the frequency of the signal, the bandwidth of the filter, the recorder time length and the trigger threshold voltage.
  • Page 84 PQ-Box 100 will be adjusted to the PC time. Note the time information for the PQ-Box 100 in the Setup PQ-Box 100 menu is not online, and is only update for a “Time Sync” command or when a setup is loaded from the PQ-Box 100.
  • Page 85: Setup - Limit Values En50160 / Iec61000-2-2 / Iec61000-2-4

    Setup – Limit Values EN50160 / IEC61000-2-2 / IEC61000-2-4 In this menu item, all of the compatibility levels can be changed by the user. The limit values can be reset to the default values using the button. to 25 harmonic to 50 harmonic EN50160...
  • Page 86: Trigger Settings For The Oscilloscope Recorder

    20 ms and 4000 Automatic Trigger for oscilloscope recorder If the “Auto-Trigger“ is activated, the PQ-Box 100 automatically will increase each trigger threshold if any limit is too sensitive for the network (i.e. too many sequential events are being recorded). The automatic trigger function will react to each of the trigger limits separate.
  • Page 87 Trigger Settings for the Oscilloscope: All trigger settings are depending on the nominal voltage “ ”. The record starts, if the 10 ms rms value remains under the threshold The record starts, if the 10 ms rms value exceeds the upper threshold The record starts, if one 10 ms rms value to the next 10 ms rms value is greater than selected percentage.
  • Page 88: 10Ms Rms" Recorder

    20 ms and 2 minutes (120,000 ms). Automatic Trigger for rms recorder If the “Auto-Trigger“ is activated, the PQ-Box 100 automatically will increase each trigger threshold if any limit is too sensitive for the network (i.e. too many sequential events are being recorded). The automatic trigger function will react to each of the trigger limits separate.
  • Page 89: Pq-Box 100 Firmware Update

    This menu item will only appear if a PQ-Box 100 is connected to the PC Sequence for updating a PQ-Box 100: 1) Disconnect the PQ-Box 100 from the power supply (also disconnect USB) 2) Press and hold the “Start/Stop” and “Page” keys simultaneously (1 and 3...
  • Page 90: License Upgrade From "Light" To "Expert

    “Update license” field becomes active, permitting the connected PQ-Box 100 to be upgraded. Data Converter If the setting of the PQ-Box 100 were wrong, it is possible with the program tool ”Data Converter“, to correct some of the data in a stored measurement file: Changing the nominal voltage (i.
  • Page 91 With the program “Data Converter” it is also possible to combine two or more measurement files to one single file. 1) Open the files with “Load” 2) Select two or more files 3) With the button “Combine“, the selected files will be combined to one file Page 91...
  • Page 92: Real-Time Analysis; Pq-Box 100 With Pc

    We take care of it Real-Time Analysis; PQ-Box 100 with PC The “Online measurement” function displays rms. values, oscilloscope images, harmonics and interharmonics in real-time on the screen of a PC or laptop. The displayed data is refreshed every few seconds.
  • Page 93: Online Fft Dc - 5000 Hz

    Online FFT DC – 5000 Hz In online function “Spectrum” you can analyse the voltage and current spectrum from DC to 5000 Hz in steps of 5 Hz. In right mouse click menu you find these possibilities: Print Picture will be sent to printer Copy image Copies the graphic to the clipboard.
  • Page 94 We take care of it Maximum values logging FFT Using this function it is possible to hold the maximum value of the spectral lines of online FFT. (Dashed line). With this function it is possible to determine direct in online view which maximum values of har- monics exists direct at the measurement point.
  • Page 95: Real-Time Harmonics

    All of the current and voltage harmonics (2 to 50 ) are displayed in real-time via the “Harmonics” tab. The measurement data is calculated by PQ-Box 100 according to IEC61000-4-30 Class A and then trans- ferred to the PC. Tab – Harmonics...
  • Page 96: Real-Time Interharmonics

    We take care of it Real-Time Interharmonics All of the current and voltage interharmonics up to 2500 Hz are displayed in the “Interharmonics” tab. The measurement data is calculated by the measurement device according to IEC61000-4-30 Class A ac- cording to the grouping procedure. Tab –...
  • Page 97: Direction Of Harmonics

    Direction of harmonics The direction of the current and voltage harmonics are displayed in the “Direction” tab. Harmonics appearing in the top half of the display means: the sign of the real power of this harmonic is positive (+) and this harmonic power coming from the network to the load. Harmonics appearing in the bottom half of the display means: the sign of the real power of this harmonic is negative (-) and this harmonic power will be delivered from the load to the network.
  • Page 98: Timing Chart

    We take care of it Timing chart This diagram shows the timing chart for 1, 3, 5 or 10 minutes time window. Voltage, Current and power values are available. - clear the sreen for a new measurement. It is possible to start and stop the recording. Page 98...
  • Page 99: Real Time - Details Of Measurement Values

    Real Time - Details of Measurement Values The “Details” tab displays active power, reactive power and apparent power of the 1-phase and 3-phase values in real-time and the power factor and phase angle of the fundamental frequency of the network. Tab –...
  • Page 100: Online - Phasor Diagram

    We take care of it Online – phasor diagram In this diagram you can analyse all phasors of voltages and currents with all phase angles. You can also see the rotating field of your voltage connection. Page 100...
  • Page 101: Power Flow - Online Graphic

    Power flow – Online graphic On this screen the real power, apparent power, reactive power and distortion power are displayed in a three dimensional graphic. There is one screen for each phase and one screen for the three phase system power.
  • Page 102: Methods Of Measurement / Formulas Pq-Box 100

    U min / max; I min / max The extreme values (Min / Max values) are derived from the half cycle (10 ms) rms values. During each measuring interval (free interval) the PQ-Box 100 store the maximum and minimum values including the exact time of each.
  • Page 103: Thd - Pwhd - K Factor

    THD – PWHD – K Factor All calculations are based on a 10/12 cycle averaging interval (50 Hz = 10 cycles / 60 Hz = 12 cycles), according the formula of IEC61000-4-7 (exactly 2024 sample values will be used for calculation) The THD calculation of voltage and current can be changed in the settings: 2 –...
  • Page 104: Harmonic / Interharmonic

    All calculations are based on a 10/12 cycle averaging interval (50 Hz = 10 cycles / 60 Hz = 12 cycles), according the formula of IEC61000-4-7 (exactly 2024 sample values will be used for calculation) The PQ-Box 100 calculates all harmonics of voltage and currents from the 2 to the 50 harmonic.
  • Page 105: Reactive Power

    Reactive power In the setup of the PQ Box 200 two variants of the power calculation are adjustable a) Simplified power calculation Reactive power without unbalanced reactive power calculation: = Q L1+ Q L2 + Q L3 ∑ b) Reactive power calculation according DIN40110 part 2 Reactive power calculation with unbalanced power: Reactive power: ϕ...
  • Page 106: Distortion Power - D

    We take care of it Distortion power - D The product of the voltage with all the harmonic currents results in the distorted reactive power D: ∞ ⋅ ∑ ν ν Power factor PF The power factor is calculated from the real power and apparent power. power factor PF λ...
  • Page 107: Apparent Power - S

    8.10 Apparent power - S In the setup of the PQ Box 200 two variants of the power calculation are adjustable Simplified power calculation power calculation according DIN40110 part 2 Apparent power phase-ground in a 4-wire-system : ⋅ LNrms Lrms Apparent power phase to ground in a 3-wire-system : ⋅...
  • Page 108 We take care of it - = power feed to the network 2048 ∑ − 2048 (200 ms values) The power consumption of the 4-wire network is calculated: Σ The power consumption of the 3-wire network is calculated: Σ Fundamental real power (network): = Fundamental apparent power (network) Page 108...
  • Page 109: Unbalance - Symmetrical Components

    ⋅ − − − Zero system: ⋅ − − − ⋅ − − − Calibration We recommend a calibration interval of three years for the network analyzer PQ-Box 100 to maintain the accuracy of GEFOR-made-IEC61000-4-30 Class A instruments. Page 109...
  • Page 110 A. Eberle GmbH & Co. KG Frankenstraße 160 D-90461 Nuernberg Tel.: +49 (0) 911 / 62 81 08-0 Fax: +49 (0) 911 / 62 81 08 96 E-Mail: info@a-eberle.de http://www.a-eberle.de Software - Version: _______________________________ PQ Box 100 – 04/02/2015...

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