KBR D9-PQ User Manual
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KBR D9-PQ User Manual

Power quality network analyser
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Summary of Contents for KBR D9-PQ

  • Page 1 User Manual Technical reference Power Quality Network Analyser D9-PQ multimess Power Quality Evaluation Software smart WinPQ Your partner for System english network analysis...
  • Page 2 In this case, contact us directly or use the latest version of the operating instruc- tions avail-able from our Internet site www.kbr.de KBR Kompensationsanlagenbau GmbH does not accept any liability for dama- ge or losses of any kind arising from printing errors or changes in this manual.

  • Page 3: Table Of Contents

    WinPQ smart software.....44 Safety instructions ......9 Installing the evaluation software ......44 Technical Data ........10 Basic setting for Software ....46 multimess D9-PQ Description ..10 Setting up a new Technical Data ........11 multimess D9-PQ ......47 Mechanical design ......18 Geräteparametrierung ....48 4.3.1 Power supply for 6.4.1...
  • Page 4 Voltage harmonics - interharmonics ........74 6.8.4 Currentharmonics – Interharmonics ........75 Importing measurement data from an SD card .......77 Firmware update for multimess D9-PQ ......78 Modbus ..........79 Modbus data list ........79 Modbus settings ........79 8.2.1 Modbus RTU........80 8.2.2 Modbus TCP ........80 Intended use ........81...

  • Page 5: User Prompt

    KBR multimess D9-PQ User prompt Warnings Types of warnings Warnings are distinguished by the type of risk they represent by the following signal words: k Danger warns of a risk of death k Warning warns of physical injury k Caution warns of damage to property...

  • Page 6: Scope Of Delivery/Order Codes

    KBR multimess D9-PQ Scope of Delivery/Order Codes Scope of Delivery k multimess D9-PQ k User Manual k TCP-IP Cable k Cable shoes k CD WinPQ smart Software Order Codes - multimess D9-PQ This version of the device is used as power quality analyser, sequence of events recorder, data logger and power meter Option IEC61000-4-7 (sampling rate 40.96kHz)
  • Page 7 In accordance with DIN EN-50160 and IEC 61000-4-30 (Class A) 2 digital inputs 2 relay outputs WinPQ smart software for multimess D9-PQ Supply voltage AC 90 V..110 V..264 V or DC 100 V..220 V..300 V DC 18 V...60 V...72 V...
  • Page 8 For parameterising PQI-DA smart, as well as reading PQI-DA smart measurement data and online / offline data – sold as a package Additions to multimess D9-PQ Frame for panel mounting Radio time clock interface DFC 77 GPS clock - H1: AC/DC 88 V...264 V ....

  • Page 9: Safety Instructions

    KBR multimess D9-PQ Safety instructions  Follow the operating instructions.  Keep the operating instructions with the device.  Ensure that the device is operated only in a perfect condition.  Never open the device.  Ensure that only qualified personnel operate the device.

  • Page 10: Technical Data

    D9-PQ for low, medium-voltage grids is the central component of a system with which all measurement tasks in electrical grids can be solved. The multimess D9-PQ can be used as either a Power Quality Interface in accordance with grid quality standards or as a measuring device for all physically defined variables in three-phase grids.

  • Page 11: Technical Data

    Time-clock uncertainty Flagging Transient influence quantities The multimess D9-PQ has been developed for measurements perfromed within public grids as well as for recording PQ data within an industrial environment up to 690V (L-L) measurement voltage. No moving parts (fans, hard drives etc.)
  • Page 12 KBR multimess D9-PQ Phase of voltage and current harmonics n=2..50 2 general purpose digital inputs with 2 input level options 2 relay outputs for protection monitoring and alarm Complex analysis software WinPQ smart (sold as a package) As an option: Analysis of the data on an MYSQL-based database using the WinPQ software package.
  • Page 13 KBR multimess D9-PQ Communication Protocols – MODBUS RTU – MODBUS TCP – IEC60870-5-104 (Option P1) – IEC61850 (Option P2) Time synchronisation protocols (Receive / Slave) – IEEE1344 / IRIG-B000..007 – GPS (NMEA +PPS) – DCF77 – NTP – PTP (IEEE1588)
  • Page 14 KBR multimess D9-PQ Voltage inputs Swell residual voltage ±0.2% Un @ 100%..150%Un Channels N/E/4 Swell duration ±20ms Electrical safety 300V CAT IV @ 100%..150%Un DIN EN 61010 600V CAT III Input reference level Interruption duration ±20ms Voltage inputs Impedance -> PE 10 MΩ...
  • Page 15 KBR multimess D9-PQ Storage of measured values Power supply Internal memory 1024 MB Feature SD memory card 1 GByte to 32 GByte 90...264 V 100...300 V 18...72 V Power ≤ 10 W ≤ 10 Watt Binary inputs (BI) consumption. < 20VA Range 148...250 VAC(/DC)
  • Page 16 KBR multimess D9-PQ Environmental parameters Storage and transport Operation Ambient temperature : IEC 60721-3-1 / 1K5 IEC 60721-3-3 / 3K6 Limit range of operation -40 ... +70°C -25 ... +55°C IEC 60721-3-2 / 2K4 -40 ... +70°C Ambient temperature :...
  • Page 17 KBR multimess D9-PQ...

  • Page 18: Mechanical Design

    KBR multimess D9-PQ Mechanical design The multimess D9-PQ can be wall-mounted (optional DIN-rail), in-panel moun- ted (optional mounting frame) or used as a DIN-rail housing. All connections are accessible via Phoenix type terminals. The connections are made by using plug-in/clamping technology, except for the current and voltage inputs.

  • Page 19: Power Supply For Multimess D9-Pq

    4.3.1 Power supply for multimess D9-PQ Caution Earthing for multimess D9-PQ  Always connect the earth for multimess D9-PQ.  Supply the measuring device in the correct voltage range which corresponds to the power supply unit fitted. Characteristic 90...264 V 100...300 V...
  • Page 20 KBR multimess D9-PQ Mains connection for multimess D9-PQ 4.4.1 4.4.1 . 3-phase / 4-wire connection voltage S1 S2 S1 S2 S1 S2 S1 S2 current Voltage connections  Please ensure that the PE conductor (earth) is connected to the multimess D9-PQ.

  • Page 21: 4-Wire Connection Without Neutral Current

    4-wire connection without neutral current S1 S2 S1 S2 S1 S2 S1 S2 current If no neutral current is available in the 3-phase, 4-wire grid, the power inputs of the multimess D9-PQ are connected as shown in the illustration above.
  • Page 22 KBR multimess D9-PQ 4.4.3 4-wire 1-phase voltage S1 S2 S1 S2 S1 S2 S1 S2 current With the 4-wire grid, 1-phase set-up no conductor-conductor events and 3~grid events are evaluated. Any voltage with the same earth potential can be connected (e.g. three grids...

  • Page 23: 3-Phase / 3-Wire Connection

    If in a 3-wire grid power is connected to the IN input, it will be calculated and recorded. The values measured for IN are not included in the 3~ power calculations. It is, therefore, possible to use the multimess D9-PQ to capture any additional current via the fourth power input.

  • Page 24: Connection; Aron Connection

    KBR multimess D9-PQ 4.4.5 V connection; Aron connection The V connection or Aron connection can be configured in the device set-up of the software. These connection types are only available in the 3-wire configura- tion. 1) V connection (parameterisation via the evaluation software)
  • Page 25 Current transformer: L1, L3 Current transformer: L1, L2 The values measured for IN are not included in the 3~ power calculations. It is, therefore, possible to use the multimess D9-PQ to capture any additio- nal current via the fourth power input.

  • Page 26: Measurement / Functions

    KBR multimess D9-PQ Measurement / Functions multimess D9-PQ - complies with the automatic event detection and mea- surement standards, which are: EN50160 (2013) / IEC61000-2-2 / IEC61000- 2-12 /IEC61000-2-4 (Class 1; 2; 3) / NRS048 / IEEE519 / IEC61000-4-30 class A / IEC6:1000-4-7 / IEC61000-4-15 4.5.1...
  • Page 27 KBR multimess D9-PQ Time Interval Current 150/ 1 s N* s N* 180T r.m.s. values        Extremes of T/2-values  Harmonic subgroup n= 0..50 (IEC61000-4-7)     Maximum values of 10/12 T ...
  • Page 28 KBR multimess D9-PQ Time Interval Power 1 s N* s N* Active power, phase      Active power, total      Active power extremes  Reactive power, phase      Reactive power, total ...

  • Page 29: Pq Events

    KBR multimess D9-PQ 4.5.2 PQ Events trigger quantity lower upper voltage dip (T/2)  voltage swell (T/2)  voltage interruption (T/2)  voltage rapid voltage change (T/2) sliding average filter mean +/- threshold voltage change (10min)   voltage unbalance (10min) ...

  • Page 30: Output Relays

    4.5.5 Memory management The multimess D9-PQ is equipped with an internal memory of one gigabyte. If a separate SD-card is inserted in the device, it can be formatted and the multimess D9-PQ. will start automatically to copy the internal memory onto the SD card.
  • Page 31 KBR multimess D9-PQ Memory allocation The memory allocation of the multimess D9-PQ uses the internal 1 gigabyte memory in a circular ring buffer for all measurement data The ring buffer is allocated as follows: – 512 MB circular buffer for long-term measurement data –...

  • Page 32: Operation Of The Multimess D9-Pq

    KBR multimess D9-PQ Operation of the multimess D9-PQ Display The colour display of the device provides information about the correct con- nection of the measuring cables and transducers and shows online data for voltages, currents, total harmonic distortion (THD), power values and energy.
  • Page 33 KBR multimess D9-PQ Display page 3 Current 0.74 mA 0.04 mA 0.72 mA 0.97 mA Currents L1, L2, L3, N conductor Display page 4 Active Power 9.07 μW 0.00 W 0.00 W 4.34 μW Active power including sign Display page 5 Apparent Power 0.04 mVA...
  • Page 34 KBR multimess D9-PQ Display page 8 Power Factor 1.000 1.000 1.000 1.000 Power factor (active power / apparent output) Display page 9 THD Voltage THD U1 0.00 % THD U2 0.00 % THD U3 0.00 % Total harmonic distortion of voltages The THD calculation H2 to H40 and/or H2 to H50 is adjustable.

  • Page 35: Setup Display

    Display page 13 PQ Smart Firmware 1856 Date 04.09.14 Time 09:53 Current firmware for multimess D9-PQ / Device date and time Display page 14 Events 1d | 7d | 30d 18 | 21 | 21 Qsci 16 | 17 | 17...

  • Page 36: Parameter

    KBR multimess D9-PQ 5.2.1 Parameter Grid configuration Parameter page 1 Entering the grid type „3-conductor grid“, „4-conductor grid“ and/or „4 x 1 conductor grid“ will determine how Parameter the Power Quality events are recorded. Net type 4-Cond., 3-phase Switch between 3-conductor and 4-conductor grids.
  • Page 37 KBR multimess D9-PQ Parameter page 3 The displayed value for the nominal voltage is: Parameter Nominal Voltage In a 4-conductor grid = 230V conductor-earth voltage 2.30 In a 3-conductor grid = 100V conductor-conductor Reference Voltage voltage, multiplied by the conversion factor [V] P-P 398.37...

  • Page 38: Time Settings

    KBR multimess D9-PQ Parameter page 5 Power measurement: Parameter Power measurement The power calculation in the device firmware can be Standard selected from two measuring functions: Flicker calc. – Power calculation in accordance with DIN 40110, part 230 V 2 – including the calculation of the imbalance reactive...

  • Page 39: Manual Time Setting

    Setting the time zone in which the device is located Time Setup Date 15.09.145 Time 10:30:27 Back Manual time and date setting for multimess D9-PQ DST – changing from summer to winter time DST change DST change Summer > winter Winter > summer 25.10.

  • Page 40: Ntp Time Setting

    Time server 2 port Time server 3 port Time server 4 port Back The multimess D9-PQ supports up to four time servers in the network. The device automatically uses the strongest signal that is available in the network. 5.2.2.4 NMEA-ZDA time setting...

  • Page 41: Nmea-Rmc Time Setting

    KBR multimess D9-PQ 5.2.2.5 NMEA-RMC time setting Time Setup Time protocol NMEA:RMC + advanced NMEA setting NMEA protocol RS232 PCM protocol RS232 Setting up the RS232/RS485 interface Back for the NMEA-RMC protocol 5.2.2.6 IRIG-B time setting IRIG-B formats 0 to 3...

  • Page 42: Ieee 1344 Time Setting

    KBR multimess D9-PQ 5.2.2.7 IEEE 1344 time setting Time Setup Time protocol IEEE 1344 + advanced Time synchronisation to an IRIG-B time protocol (in accordance with IEEE1344) IRIG-B setting Interface typ RS232 Timezone externally +00:00 Back Setting up the interface and the time zone 5.2.3...

  • Page 43: Memory Management

    Back the SD memory card and releases the card for removal. 5.2.5 Setting up the device interfaces Note multimess D9-PQ is supplied with the following default IP address: 192.168.56.95 / 255.255.0.0 Interfaces page 1 Interface Config. DHCP Deactivated...

  • Page 44: Winpq Smart Software

    The powerful database and evaluation software WinPQ which is available at an extra charge supports all mobile and permanently installed Network Analysers supplied by KBR GmbH in one system. Measuring data from different devices can be compared to each other. There is a fully automated and permanent connection to all permanently installed devices.
  • Page 45 „Power Quality / Software WinPQ smart“: www.kbr.de Note Please also install the current device firmware on your measuring device to ensure that you can use any new functions. Start screen for WinPQ smart, example with 6 multimess D9-PQ devices...

  • Page 46: Basic Setting For Software

    KBR multimess D9-PQ Software WinPQ smart Basic setting for Software Under the „Settings“ menu point, the following changes can be made: Language setting for the software (the software must be restarted after any change) Visibility of the setup parameters – select 0 or 1...

  • Page 47: Setting Up A New Multimess D9-Pq

    A device is set up as a tile on the screen via the „New station“ function. The TCP-IP address of the multimess D9-PQ is stored in the „IP“ field. The port number of the device can be allocated any number.

  • Page 48: Geräteparametrierung

    KBR multimess D9-PQ Software WinPQ smart Device parameterisation The function „Para“ opens the device setup for multimess D9-PQ. The following basic functions are available: Send device settings (measurement values, limit values, trigger thresholds) to the device Save all device settings as a template on the PC.
  • Page 49 Software WinPQ smart KBR multimess D9-PQ Limit values Power Quality, trigger settings for sequence of events recordings Selecting the measurement values within the interval classes...

  • Page 50: Device Designation

    KBR multimess D9-PQ Software WinPQ smart 6.4.1 Device designation In the menu „Device designation“, the description of the device is determined. The fields marked in red describe the station icon as well as all the fault records and data in the archive.

  • Page 51: Pq Parameter

    In PQ parameter the limits for standard evaluations and for power quality events are set. The limits of EN 50160 for a low voltage system are stored in the default setting of delivery. Value: Value of multimess D9-PQ – this value can be changed Default: Default setting Minimum:...

  • Page 52: General User Settings

    KBR multimess D9-PQ Software WinPQ smart 6.4.3 General user settings The following basic instrument settings can be made in this menu item: Connection voltage inputs: 1, 2, 3, 4 Voltage inputs Connection configuration Voltage : L1, L2, L3, N/E V-connection, earth L1...
  • Page 53 Software WinPQ smart KBR multimess D9-PQ Connection current inputs: Current Connection configuration Current : L1, L2, L3, N Aron connection : L2, L3 Aron connection : L1, L3 Aron connection : L1, L2 Network connection: 0 = 4-wire network (3 phase network with earth) 1 = 4-wire (single phase –...

  • Page 54: Trigger Parameter For Disturbance Recorder

    KBR multimess D9-PQ Software WinPQ smart 6.4.4 Trigger parameter for disturbance recorder In this menue all limits for triggering of fault records can be changed. These thresholds are independently to the Power Quality thresholds. Upper and lower trigger thresholds für frequency, voltage, current oder un-...

  • Page 55: Oscilloscope Recorder

    Minimum recorder length: Setting of the standard faultrecorder length Maximum recorder length: If one fault last longer than the minimum recorder length, the multimess D9-PQ will enlarge the recorder length up to a maxi- mum recorder length. The maximum recorder length of one recorder file can be set here.

  • Page 56: ½ Cycle Recorder

    KBR multimess D9-PQ Software WinPQ smart 6.4.6 ½ cycle recorder The trigger settings of ½ cycle recorder (10ms at 50Hz) are independend to oscilloscope recorder. Please see chapter 6.4.4 – explanation trigger thresholds pretime recorder posttime threshold active passive...

  • Page 57: Recordings Parameter

    Software WinPQ smart KBR multimess D9-PQ 6.4.7 Recordings parameter At this point, the selection of all permanent measured values within the interval data class is set. The following interval data classes available 10/12 cycle (200ms interval) 150/180 cycle (3 seconds interval)

  • Page 58: Disturbance Recoder Parameter

    KBR multimess D9-PQ Software WinPQ smart 6.4.8 Disturbance recoder parameter For oscilloscope recorder and ½ cycle recorder it is possible to activate and deactivate measurement values. Example: The ½ cycle recorder should also record the power and the frequency during a disturbance record.

  • Page 59: Online Measurement Values

    Software WinPQ smart KBR multimess D9-PQ Online measurement values The „Online“ function offers extensive analysis functions for online measurement values. Start screen of the online measurement values: 6.5.1 Measurement values Display of online measurement values for voltages, currents, power and grid...

  • Page 60: Vector Diagram

    KBR multimess D9-PQ Software WinPQ smart 6.5.2 Vector diagram Zeiger Diagramm 254 V/18A I1=15,9A <24° U1E=229 V <90° UNE=49,2 mV <90° I2=15,2 A <-97° U3E=230,7 V <210° U2E=230,3 V <-30° I3=15,3 A <146° In the vector diagram, connection faults are easy to detect. All phase voltages and currents are displayed with phase angles.

  • Page 61: Harmonic

    Software WinPQ smart KBR multimess D9-PQ 6.5.4 Harmonic From the „Harmonics“ tab page, all of the current and voltage harmonics (2nd to 50th) can be displayed online. The measurement data is calculated by the measuring device in accordance with IEC61000-4-30 Class A and transferred to the PC.

  • Page 62: Interharmonics

    KBR multimess D9-PQ Software WinPQ smart 6.5.5 Interharmonics The „Interharmonics“ card is used to display all current and voltage interharmo- nics up to 2,500 Hz online. The measurement data is calculated by the measu- ring device in accordance with IEC61000-4-30 Class A following the grouping process and transferred to the PC.

  • Page 63: Frequency Bands From 2Khz To 9Khz

    Software WinPQ smart KBR multimess D9-PQ 6.5.6 Frequency bands from 2kHz to 9kHz The device characteristic „Frequency bands from 2kHz to 9kHz“ is a device option The card „2 to 9kHz“ is used to display all current and voltage harmonics in 200Hz groups.

  • Page 64: Device Panel

    KBR multimess D9-PQ Software WinPQ smart 6.5.7 Device panel The device panel can be used for the remote control of the device via the 5-key keypad. Scrolling the measurement value displays (right – left keys) The left and right keys can be used to scroll the measurement value screens.

  • Page 65: Measurement Data Import

    KBR multimess D9-PQ Measurement data import The „Import“ function can be used to load all measurement data from the multimess D9-PQ to the PC and to evaluate it there. Inactive Data class not active – no measurement data Data class active –...
  • Page 66 KBR multimess D9-PQ Software WinPQ smart Select the interval data classes 8 permanent recorder available Select the number of the triggered sequence of events recordings (oscillo-scope and ½ cycle RMS recorder)
  • Page 67 Software WinPQ smart KBR multimess D9-PQ Level-time diagram of permanent measuring data When a file is selected this measurement data is saved on the PC immediately and a selection field with all available measu- rement data appears in the window.
  • Page 68 KBR multimess D9-PQ Software WinPQ smart Right-clicking the graphics with the mouse will open the following menu: Functions: Auto scaling: The Y-axis of the measurement values is scaled automatically Data on the clipboard: Measurement data is copied to the clipboard and can be processed further, e.g.

  • Page 69: Deleting Measurement Data In The Device Memory

    KBR multimess D9-PQ Deleting measurement data in the device memory With the „Delete“ function, measurement data can be deleted in the multimess D9-PQ device memory. Delete recorder - only deletes the selected file. All records of this class - deletes f.e.

  • Page 70: Evaluating Measurement Data Offline

    KBR multimess D9-PQ Software WinPQ smart Evaluating measurement data offline The „Archiv“ function can be used to evaluate all measurement data offline. All measurement data which has been selected in the „Import“ function is saved automatically on the PC. These can be evaluated offline without being...

  • Page 71: Edit Measurement Data

    Software WinPQ smart KBR multimess D9-PQ When measurement values or measuring channels have been selected, the associated level-time diagram appears Example: Oscilloscope image – selecting voltage for L1E, L2E, L3E 6.8.1 Edit measurement data With the icon „Chart“, the following functions are available:...
  • Page 72 KBR multimess D9-PQ Software WinPQ smart Copy data – copies all the data displayed in the Windows clipboard Example – measurement values in MS Excel Copy image – photo is copied to the Windows clipboard Stack – associated measurement data can be represented with a common...
  • Page 73 Software WinPQ smart KBR multimess D9-PQ Zoom function To zoom in an area you draw with the left mouse button a window from top left to bottom right. To zoom out is the opposite direction. You can zoom in multip-...

  • Page 74: En50160 Report

    KBR multimess D9-PQ Software WinPQ smart 6.8.2 EN50160 Report In the 10 minute data class, the EN50160 report is available. If you select one measurement file a multipage report is created. 6.8.3 Voltage harmonics - interharmonics With the Icon “Voltage” you can reach the statistics of the voltage harmonics, voltage inter-harmonics and frequency bands 2 kHz to 9 kHz.

  • Page 75: Currentharmonics - Interharmonics

    Software WinPQ smart KBR multimess D9-PQ 6.8.4 Currentharmonics – Interharmonics With the Icon “Voltage” you can reach the statistics of the voltage harmonics, voltage inter-harmonics and frequency bands 2 kHz to 9 kHz.
  • Page 76 KBR multimess D9-PQ Software WinPQ smart Example: Statistic current harmonics 2nd to 50th - scaling in ampere If you select with the cursor a particular harmonic, so the corresponding mea- sured values are displayed for these harmonics in the display.

  • Page 77: Importing Measurement Data From An Sd Card

    Software WinPQ smart KBR multimess D9-PQ Importing measurement data from an SD card The function „Import from SD“ function is used to transfer selected measurement data from the SD memory card to the PC. Event Recorder – includes all Power Quality events srb –...

  • Page 78: Firmware Update For Multimess D9-Pq

    Firmware update for multimess D9-PQ The „General setup“ function of the station tile can be used to carry out a firmware update for the multimess D9-PQ measuring device. Select the folder where the file for the firmware update is located.

  • Page 79: Modbus

    Modbus KBR multimess D9-PQ Modbus The following data classes and events are available in the multimess D9-PQ about Modbus TCP or Modbus RTU:: 200ms data class (frequency, voltage L1, L2, L3) 1 sec data class (all measurement values) 10 min data class (all measurement values)

  • Page 80: Modbus Rtu

    Modbus KBR multimess D9-PQ 8.2.1 Modbus RTU You can enable Modbus RTU and assign the interface. (COM1 or COM2) Modbus RTU Modbus RTU Status Status disabled activated Interface COM1 Back The interface can be changed to Modbus RTU RS232 or RS485.

  • Page 81: Intended Use

    Ripple control signal U Ripple Control (200 ms) In the multimess D9-PQ setup any interharmonic can be set. This is displayed as the 200 ms maximum value within a measurement interval. Flicker LevelsP...
  • Page 82 Measurement data – measurement methods KBR multimess D9-PQ THD – PWHD – K factor Total harmonic content, calculated using the following formula in accordance with IEC61000-4-7. Calculating the THD values of the voltages and signal sampling: The voltage and current inputs are filtered with an anti-aliasing filter and digitized with a 24-bit converter.
  • Page 83 Measurement data – measurement methods KBR multimess D9-PQ THD – PWHD – K factor All calculations are based on a 10/12 cycle averaging interval (50 Hz = 10 cycles / 60 Hz = 12 cy-cles), according the formula of IEC61000-4-7...
  • Page 84 Measurement data – measurement methods KBR multimess D9-PQ PWHD - Partial Weighted Harmonic Distortion The partial weighted THD calculates the 14th to 40th harmonic. ∑ ⋅ PWHD PHC - Partial Odd Harmonic Current The PHC is calculated from the odd current harmonic n = 21..39.
  • Page 85 IEC61000-4-30 Class A standard based on 10/12 period values. The multimess D9-PQ recognizes for all voltage and current channels, respec- tively, the harmonics up to the 50th ordinal. To evaluate the interharmonics, harmonic subgroups are created. 50 subgroups are recorded for all current and voltage channels.
  • Page 86 Measurement data – measurement methods KBR multimess D9-PQ Reactive power / Reactive energy In the setup of the device two variants of the power calculation are adjustab- le Simplified power calculation Reactive power without unbalanced reactive power calculation: = Q L1+ Q L2 + Q L3 ∑...
  • Page 87 The ration is expressed in the following equation: Power Factor PF: * = IPI / S Apparent Power - S In the setup of the multimess D9-PQ two variants of the power calculation are adjustable Simplified power calculation Power calculation according DIN40110 part 2 Conductor apparent power 4-wire system: ⋅...
  • Page 88 Measurement data – measurement methods KBR multimess D9-PQ Collective apparent power in accordance with DIN40110: ⋅ Σ Σ Σ ⋅ Σ Nrms Nrms Nrms 4-wire network: Nrms Σ 3-wire network, I1 + I2 + I3 ≠ 0: ⋅ Erms Erms Erms Σ...
  • Page 89 Measurement data – measurement methods KBR multimess D9-PQ Active Power - P The sign of the active power corresponds with the flow direction of the funda- mental oscillation active energy (+: supply, - : consumer). The values of the conductor - active power are calculated from the samples of a synchronisation cycle.
  • Page 90 Measurement data – measurement methods KBR multimess D9-PQ Positive sequence: ⋅ ⋅ ⋅ − − − ⋅ ⋅ ⋅ − − − Negative sequence: ⋅ ⋅ ⋅ − − − ⋅ ⋅ ⋅ − − − Zero sequence: ⋅ −...

  • Page 91: Service

    KBR Kompensationsanlagenbau GmbH. 13. Product Warranty KBR Kompensationsanlagenbau GmbH warrants that this product and its accessories shall be free from defects in materials and workmanship for a period of three years from the date of purchase. This warranty does not cover damage caused by accident, misuse or abnormal operating conditions.
  • Page 92 KBR Kompensationsanlagenbau GmbH www.kbr.de Am Kiefernschlag 7 T +49 (0) 9122 6373 - 0 www.visualenergy.de D-91126 Schwabach F +49 (0) 9122 6373 - 83 E info @ kbr.de...

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