GC-PQ1000A Power Quality Online Monitoring Device

• main menu

  Selection of entry points for the main functional modules.

• Real time waveform

  The waveform diagram mode displays the waveform effect and vector diagram of the current ABCN voltage and current sampling, and real-time displays the effective values and phase angles of the current ABC three-phase voltage and current.

• harmonic analysis

  Real time display of THD (total harmonic distortion), DC (direct current component), 1-50th harmonic content, effective value, and phase angle of measured voltage, current, and effective power. Real time display of interharmonics, higher-order harmonics, and harmonic subgroups of voltage, current, ABCN phases.

• imbalance

  Real time display of voltage, current negative sequence imbalance, zero sequence imbalance, and other related parameters.

• harmonic analysis

  Real time measurement of THD (total harmonic distortion), DC (direct current component), 1-50th harmonic content, effective value, and phase angle of voltage, current, and harmonic power, as well as values of harmonics, interharmonics, and higher-order harmonics.

• Power electric energy

  Real time display of active power, reactive power, apparent power, power factor, and accumulated electrical energy value of the current measurement circuit.

• Fluctuation flicker

  Real time display of Pst (short flicker) and Plt (long flicker) of ABC voltage.

• Trend chart

  Display the trend of changes in the main electrical parameters over the measurement time, helping to understand the long-term power quality situation.

• parameter configuration

  Configure system parameters, measurement parameters, and event parameters.

• file management

  Browse, delete, and perform other operations on files or images saved by the device.

• Wave recording

  Collect the original waveforms of voltage and current in the circuit, record and upload the waveforms, and provide the upper computer with analysis of the power quality in the circuit.

• statistical records

  Monitor all electrical parameters and record and analyze electrical events in the circuit, supporting the configuration of parameter items.

• Real time waveform

  A. Real time waveform of voltage and current for phases B, C, and N.

• Voltage, current, frequency

  Frequency value, effective voltage value, voltage phase angle, positive peak voltage value, negative peak voltage value, effective current value, current phase angle, positive peak current value, and negative peak current value.

• power and electric energy

  Active power, reactive power, apparent power, power factor, 1-50th harmonic power. Voltage harmonics THD, DC, amplitude of 1-50th harmonics, phase angle of 1-50th harmonics, content of 1-50th harmonics, amplitude of 0-49th harmonics, content of 0-49th harmonics, amplitude of 1-35th harmonics, content of 1-35th harmonics.

• Current harmonics

  THD、DC、 1-50th harmonic amplitude, 1-50th harmonic phase angle, 1-50th harmonic content, 0-49th harmonic amplitude, 0-49th harmonic content, 1-35th harmonic amplitude, 1-35th harmonic content.

• harmonic power

  THD、DC、 1-50th harmonic power.

• flickering

  PST (short flicker), PLT (long flicker).

• imbalance

  Positive sequence voltage, positive sequence current, negative sequence voltage, negative sequence current, zero sequence voltage, zero sequence current, voltage negative sequence imbalance, current negative sequence imbalance, voltage zero sequence imbalance, current zero sequence imbalance.

• Event record

  Voltage transient rise, voltage transient drop, voltage interruption, impulse current, short flicker exceeding limit, long flicker exceeding limit, voltage upper limit, voltage lower limit, frequency upper limit, frequency lower limit, steady-state voltage fluctuation, voltage imbalance exceeding limit, voltage THD exceeding limit, voltage harmonic exceeding limit, current 2nd to 25th harmonic exceeding limit.

• Wave recording function

  Equipped with automatic/manual fault recording function.

• Analysis and recording function

  Having professional analysis software for power quality, capable of providing power quality analysis reports; The monitoring data and report functions of power quality can be integrated into the backend monitoring system.

Support multiple communication methods

Supports 4G communication, network communication, and 485 communication, allowing for flexible selection of suitable communication methods based on site conditions

Has rich I/O capabilities

The device has 4 inputs and 4 outputs, which can be extended with other functions such as sound and light alarm function and trigger recording function.

Real time data viewing

Real time display of all power quality parameters such as voltage, current waveform, amplitude, phase, harmonics, imbalance, power, flicker, etc.

Data statistics record

Supports data statistical recording of up to 800 types of power quality measurement parameters, including maximum, minimum, average, and CP95 values,

Support monitoring and recording of transient power quality events and line crossing events.