Power quality monitoringdeviceWhat are the functions?

The power quality monitoring device realizes the measurement of power quality parameters, which is installed in the power supply system substation, user station, and railway traction station. It is a professional online monitoring device that monitors whether the power quality of the power supply line meets national standards and assesses the power quality of users. When the parameters exceed the standard, it outputs an alarm signal. Distributed at various monitoring pointsPQ-2000LThrough the communication network, a power quality supervision and management network is formed with the host of the power quality supervision and management center to meet the requirements of regional power quality monitoring, management, and control.Equipment acquisition module acquisitionthirty-two位DSPDigital processor with main frequency up to150M，External memory expansion512K，The accuracy and stability of data collection and processing are ensured, and the four layer circuit board design improves system stability and anti-interference ability.Measurement function:

    True effective value of current, fundamental effective value2～sixty-threeEffective value of subharmonics;voltage2～sixty-threeThe content and total distortion rate of subharmonics;Power factor, phase shift power factor;Fundamental apparent power, fundamental active power, fundamental reactive powerVoltage deviation;Three-phase voltage imbalance, positive sequence, negative sequence, zero sequence;Grid frequency;Voltage fluctuations and flicker values (long-term flicker values（Plt）Short term flicker value（Pst））.Voltage surges, dips, short-term interruptions;Power quality monitoring deviceMeasurement of inter harmonic function;Record the waveform of power quality exceeding the standard.