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Home > Grid Automation > Automation & Control > Metering > PQM II
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pqmii

PQM II
Power Quality Meter
The PQM II is an ideal choice when continuous monitoring of a three phase system is required. It provides metering for current, voltage, real and reactive power, energy use, cost of power, power factor and frequency. Programmable setpoints and 4 assignable output relays allow control functions to be added for specific applications. This includes basic alarm on over/under current or voltage, unbalance, demand based load shedding, and capacitor power factor correction control. More complex control is possible using the 4 switch inputs which also can be used for status such as breaker open/closed, flow information etc.

New In Version 2.10:
  • Voltage Disturbance Recorder (VDR) to monitor voltage dips (voltage sags) and voltage spikes (voltage swells) with capacity for 500 sag/swell events.
  • DNP 3.0 Communications Protocol standard feature.

Features and Benefits
  • Mounting Versatility
  • Keypad with large illuminated 40-character display
  • Any assignable output may be used to trigger an alarm
  • May be connected to DCA or SCADA systems
  • Flash upgradeable

Applications
  • Metering of distribution feeders, transformers, generators, capacitor banks and motors
  • Medium and low voltage systems
  • Commercial, industrial, utility
  • Flexible control for demand load shedding, power factor, etc.
  • Power Quality analysis tool

Protection and Control
  • A V W var VA varh Wh PF Hz unbalance
  • A W var VA demand
  • Load shedding
  • Power factor control
  • Pulse input totalizing

Monitoring and Metering
  • Ia Ib Ic In
  • Va Vb Vc Vab Vbc Vca
  • V I unbalance
  • True PF crest and K factor
  • Hz W var VA
  • Wh varh VAh W cost
  • Demand: A W var VA
  • Harmonic analysis through 63rd with THD and TIF
  • Event recorder - 150 events
  • Waveform capture
  • Data logger - 98,000 events
  • Voltage Disturbance Recorder (VDR)

User Interface
  • Front RS232 serial port (1,200 to 19,200 bps)
  • Two Rear RS485 serial ports
  • Ethernet connectivity provided by MultiNet
  • EnerVista software is provided for setup and monitoring functions
  • Dial-in modem capabilities