PQM-700

PQM-700
Index: WMGBPQM700
Power quality analyzer
Description
Technical Specification
Files
  • Description

    ANALYZER MEASURES AND RECORDS ACCORDING TO THE IEC 61000-4-30 CLASS S STANDARD.

    Features:

    • power to the analyzer is supplied from tested mains (internal power supply) and is used in all types of networks from 64 V to 760 V, with particular emphasis on measurements at low voltage poles, due to the ease of connection,
    • has an independent power supply socket, especially suited for voltage measurements for transformers and DC circuits,
    • built-in real-time clock.

    Possible measurements:

    • Measurements according to EN 50160,
    • Voltage L1, L2, L3,
      - average, minimum, maximum and instantaneous values, range to 760 V, ability to work with voltage transformers,
    • Current L1, L2, L3, N (four inputs),
      - average, minimum, maximum and instantaneous values, measurement current with range to 3 kA (depends on used clamp), ability to work with current transformers,
    • Crest factor for voltage and current,
    • Frequency from 40 Hz to 70 Hz ,
    • Active, reactive, distortion, apparent power, including the type of reactive power (capacitive, inductive),
    • Power recording:
      - Budeanu method,
      - IEEE 1459,
    • Active, reactive, apparent energy,
    • Power factor, cosφ, tgφ,
    • Up to 40th harmonics for voltage and current,
    • Total Harmonic Distortion (THD) for voltage and current,
    • Short-term (PST) and long-term (PLT) flicker,
    • Unbalance of voltage and current,
    • Current and voltage events registration including waveforms and RMS graphs half period.
  • Technical Specification
    Specification Range Resolution Accuracy  
    AC voltage (TRMS) - 0.0…760,0 V 0.01 % Un ±0.5% Un
    Crest Factor Voltage 1.0…10.00 (≤1,65 for voltage 690 V) 0.01 ±5%
    Crest Factor Current 1.00…10,00 (≤3,6 Inom) 0.01 ± 5% m.v.
    AC current TRMS - depends on the clamp* 0.01 % of nominal range ±1% of nominal range (add clamps accuracy)
    Frequency - 40.00...70.00 Hz 0.01 Hz ±0.05 Hz
    Active, reactive, apparent power and distortion - depends of configuration (transformers, clamp) up to 4 decimal places depends on configuration (transformers, clamp)
    Active, reactive apparent energy - depends of configuration (transformers, clamp) up to 4 decimal places the same as above
    cosφ and Power Factor (PF) - 0.00...1.00 0.01 ±0.03
    tgφ - 0.00...10.00 0.01 depends on Active and Reactive power accuracy
    Harmonics Voltage same as for AC voltage TRMS same as for AC voltage TRMS ±5% Uh for Uh ≥ 1% Un ±0,05% Un for Uh < 1% Un
    Harmonics Current same as for AC current TRMS same as for AC current TRMS ± 5% Ih for Ih ≥ 3% In ± 0.15% In for Ih < 3% In
    Total Harmonics Distortion Voltage 0.0..100,0% 0.1% ±5%
    Total Harmonics Distortion Current  0.0..100,0%  0.1%  ±5%
    Flicker - 0.40...10.00 0.01 ±10%
    Unbalance Voltage and Current 0.0...10.0% 0.1% ±0.3% (absolute error)

    *Clamp F-1/F-2/F-3:0..3000 A (10000 Ap-p)

    *Clamp C-4: 0..1000 A (3600 Ap-p)

    *Clamp C-5: 0..1000 A (3600 Ap-p)

    *Clamp C-6: 0..10 A (36 Ap-p) (without current transformers)

    *Clamp C-7: 0...100 A (360 Ap-p )

  • Files
    • Changes in 1.12 version (2019.09.20):

      • Formatting of memory card restores default measurement configuration.
      • Added zeroing of the recorded frequency values if the reference phase voltage is too small.
      • Other minor fixes.

      Changes in 1.11 version (2018.12.21):

      • Added support for F-xA1 current probes (flexible probes, 1.5 kA range).
      • Added support for F-xA6 current probes (flexible probes, 6 kA range).
      • Added support for Chilean standard recording.

      Changes in 1.10 version (2018.08.23):

      New features:

      • Added new parameter TDD (Total Demand Distortion).
      • Added support for grouping polyphase voltage events (interruption, dip, swell).
      • Added flagging support for Pst and Plt flicker.
      • Added recording of Four-Quadrant tan(φ) for reports according to Polish Regulation.


      Changes in 1.08 version (2018.01.30):

      New features:

      • Added 5-minute averaging period.
      • Added information about probes phase in LOG file.


      Changes in 1.07 version (2016.10.26):

      • Fixed bug where record was not flagged when voltage event was in progress at the beginning of the averaging period.
      • Added support for polyphase interruption flag.
      • Shortened time of memory card formatting.
      • Added sound signaling for critical error identification.


      Changes in 1.06 version:

      • Fixed error causing random malfunction of analyzer.
      • Added PLL-unlock flag to the recorded data.
      • Added filtering to the mains frequency input signal.
      • Fixed bug with blocking ON/OFF button after finishing recording in half-period mode.
      • Added new entries in the LOG file: changes in the state of analyzer's power supply, serial number.


      Changes in 1.05 version:

      • Fixed bug with reversed phase of C-4 current clamps.
      • Improved Pst and Plt flicker measurement accuracy.


      Changes in 1.04 version:

      • Fixed bug with calculation of U23 phase-to-phase voltage.
      • Added possibillity of recording DC voltages and DC currents, and DC events detection (requires Sonel Analysis 2.5.4 or newer).
      • Fixed error while data reading, when waveforms and RMS1/2 plots were recorded while recording was stopped.
      • Operation with data card from another analyzer is blocked.


      Changes in 1.03 version:

      • Fixed bug with possibility of amplitude clamping of recorded RMS1/2 voltages and currents when "Averaging period" was set to "Half-period". RMS1/2 values were clamped to the 10/12-cycle value of the highest amplitude channel.


      Changes in 1.02 version:

      • Fixed bug with incorrect minimum i maximum voltage and current values, when Min/Max calculation period was set to 1s, 3s or 5s.
      • Fixed bug where no data was recorded when the only parameter selected for recording was average phase-to-phase voltage (in split-phase and 3-phase wye systems).

      The software upgrades are secured from being uploaded to other hardware versions than they are originally destined to.

      PQM-700 version a

    • Changes in 1.12 version (2019.09.20):

      • Formatting of memory card restores default measurement configuration.
      • Added zeroing of the recorded frequency values if the reference phase voltage is too small.
      • Other minor fixes.

      Changes in 1.11 version (2018.12.21):

      • Added support for F-xA1 current probes (flexible probes, 1.5 kA range).
      • Added support for F-xA6 current probes (flexible probes, 6 kA range).
      • Added support for Chilean standard recording.

      Changes in 1.10 version (2018.08.23):

      New features:

      • Added new parameter TDD (Total Demand Distortion).
      • Added support for grouping polyphase voltage events (interruption, dip, swell).
      • Added flagging support for Pst and Plt flicker.
      • Added recording of Four-Quadrant tan(φ) for reports according to Polish Regulation.


      Changes in 1.08 version (2018.01.30):

      New features:

      • Added 5-minute averaging period.
      • Added information about probes phase in LOG file.


      Changes in 1.07 version (2016.10.26):

      • Fixed bug where record was not flagged when voltage event was in progress at the beginning of the averaging period.
      • Added support for polyphase interruption flag.
      • Shortened time of memory card formatting.
      • Added sound signaling for critical error identification.


      Changes in 1.06 version:

      • Fixed error causing random malfunction of analyzer.
      • Added PLL-unlock flag to the recorded data.
      • Added filtering to the mains frequency input signal.
      • Fixed bug with blocking ON/OFF button after finishing recording in half-period mode.
      • Added new entries in the LOG file: changes in the state of analyzer's power supply, serial number.


      Changes in 1.05 version:

      • Fixed bug with reversed phase of C-4 current clamps.
      • Improved Pst and Plt flicker measurement accuracy.


      Changes in 1.04 version:

      • Fixed bug with calculation of U23 phase-to-phase voltage.
      • Added possibillity of recording DC voltages and DC currents, and DC events detection (requires Sonel Analysis 2.5.4 or newer).
      • Fixed error while data reading, when waveforms and RMS1/2 plots were recorded while recording was stopped.
      • Operation with data card from another analyzer is blocked.


      Changes in 1.03 version:

      • Fixed bug with possibility of amplitude clamping of recorded RMS1/2 voltages and currents when "Averaging period" was set to "Half-period". RMS1/2 values were clamped to the 10/12-cycle value of the highest amplitude channel.


      Changes in 1.02 version:

      • Fixed bug with incorrect minimum i maximum voltage and current values, when Min/Max calculation period was set to 1s, 3s or 5s.
      • Fixed bug where no data was recorded when the only parameter selected for recording was average phase-to-phase voltage (in split-phase and 3-phase wye systems).

      The software upgrades are secured from being uploaded to other hardware versions than they are originally destined to.

      PQM-700 version b

    • Changes in 1.12 version (2019.09.20):

      • Formatting of memory card restores default measurement configuration.
      • Added zeroing of the recorded frequency values if the reference phase voltage is too small.
      • Other minor fixes.

      Changes in 1.11 version (2018.12.21):

      • Added support for F-xA1 current probes (flexible probes, 1.5 kA range).
      • Added support for F-xA6 current probes (flexible probes, 6 kA range).
      • Added support for Chilean standard recording.

      Changes in 1.10 version (2018.08.23):

      New features:

      • Added new parameter TDD (Total Demand Distortion).
      • Added support for grouping polyphase voltage events (interruption, dip, swell).
      • Added flagging support for Pst and Plt flicker.
      • Added recording of Four-Quadrant tan(φ) for reports according to Polish Regulation.

      The software upgrades are secured from being uploaded to other hardware versions than they are originally destined to.

      PQM-700 version c

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