The GE PQMII-T20 is a power quality measurement device with multiple functions, particularly in three-phase systems.
Here are its key roles and capabilities in English:
1. Power Monitoring & Measurement
Continuously monitors three-phase systems for current, voltage, active/reactive power, energy usage, power cost, power factor, and frequency.
Tracks parameters like voltage/current imbalance, true power factor, crest factor, and harmonic analysis (up to 63rd order via THD/TIF).
2. Control & Protection
Programmable setpoints and 4 assignable output relays enable control functions such as:
Over/under voltage/current alerts.
Demand-based load shedding and capacitor power factor correction.
Supports complex control via 4 switch inputs (e.g., breaker status, flow data).
3. Data Recording & Analysis
Event logger (150 events), waveform capture, and data logger (98,000 samples).
Voltage Disturbance Recorder (VDR) for sag/swell events (500 records).
4. Communication & Integration
Interfaces via RS232, RS485, Ethernet (via MultiNet converter), and DNP 3.0 protocol.
Compatible with SCADA/DCA systems and EnerVista software for configuration.
5. Applications
Used in medium/low-voltage systems for transformers, generators, capacitor banks, and motors.
Deployed in industrial, commercial, and utility settings for power quality analysis.
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