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Industrial Systems
Introducing the PQM Introducing the PQM GE’s Most Popular Power Quality MeterGE’s Most Popular Power Quality Meter
The PQM provides effective and affordable metering for three-phase systems
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Industrial Systems
ContentsContents
1. Applications
2. Features and Benefits
3. Measured Parameters
4. Mounting Options
5. PQM PC Software
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6. Communications
7. Front Panel Layout
8. Back Panel Layout
9. Wiring Options
10. How To Order
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Industrial Systems
PQM ApplicationsPQM ApplicationsThe PQM is suitable for diverse metering applications including:
• Distribution feeders
• Transformers
• Capacitor banks
• Generators
• Motors
• Medium and low voltage systems
Versatility and flexibility make this GE’s most popular Metering solution
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Industrial Systems
PPQM ApplicationsPPQM ApplicationsThe PQM is also available in a portable version, the PPQM. Housed in a rugged case, the PPQM offers the same capabilities as the PQM, and is also suited for additional applications:
• Power management tool
• Troubleshooting tool
• Data collection device
Power monitoring and metering in a convenient portable package
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Features and BenefitsFeatures and BenefitsRobust features put the PQM ahead of the competition:
•Accurate power quality analysis
•Flexible control for demand load shedding, power factor, etc.
•Convenient PC communications via local RS232 port
•User programmable setpoints, four assignable output relays and four switch inputs
•Analog input allows processing variable measurements
•Provides calculation of harmonic distribution
•Standard and portable (PPQM) versions available
Robust features are the PQM’s asset
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Industrial Systems
Track equipment performance with accurate, continuous metering of:
• Current, Voltage, Frequency
• Power (Real, Reactive and Apparent)
• Energy
• Harmonic Distortion
• Demand Metering
• Thermal Exponential, Block Interval or Rolling Interval (Intervals
adjustable from 5 – 180 minutes)
Measured ParametersMeasured Parameters
Powerful metering capabilities set the PQM apart
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Industrial Systems
The PQM protects your assets with Alarm/Control outputs for:
• Phase Under/Over Current
• Neutral Overcurrent
• Current/Voltage Unbalance
• Under/Over Voltage
• Phase Voltage Reversal
• Under/Over Frequency
Alarm / Control
Flexible alarm/control characteristics help protect your equipment
•Select Phases for Voltage
Units
•Average THD (I, V)
•Power Factor (Lead/Lag)
•Real or Reactive Power (+/-)
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Convenient Mounting OptionsConvenient Mounting OptionsFor both safety and convenience, the PQM can be ordered with
separate display and relaying units
Remotely mount display for safety and convenience
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PQMPC – Windows Program
The right tools to keep your system running efficiently
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PQMPC Features
•Waveform capturing• triggered by current, voltage, switch activity or manually• 1, 2 or 3 Captures with 36, 18, or 12 Cycles Each• 16 Samples/Cycle Rate
• Data Logger For Trending• Event Recorder
• number, cause, time, date, and metering quantities present at the occurrence of each event• 40 most recent events stored in non-volatile memory• Pickup and Dropout of 26 different conditions
• Harmonic Analysis Up to the 62nd Harmonic• 1 Cycle of data analyzed at a rate of 256 Samples/Cycle
User-friendly software provides access to vital data
The software provides many useful tools, including:
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Industrial Systems
• Standard front RS232 and rear RS485
ports, with optional 2nd rear RS485 port
• Connect up to 32 devices on RS485
• Open Modbus RTU protocol facilitates
integration with legacy control systems
• Simultaneous communication to
PLC/RTU and PC
• RS232 PC connection for maintenance,
reporting, monitoring by personnel
CommunicationsThe PQM’s open communications protocol and multiple ports facilitate system integration:
Designed for seamless integration to minimize installation time and costs
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PQM Panel Mount (Front)PQM Panel Mount (Front)
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PQM Panel Mount PQM Panel Mount –– Rear ViewRear View
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Wiring Connections:The PQM offers many wiring options for application versatility and flexibility:
•Standard 4 Wire Wye / 120 Voltage
• 6 optional wiring configurations
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• 4 Wire Wye , 3VTs (3 element)
• 4 Wire Wye Direct (3 element)
• 4 Wire Wye, 2VTs (2.5 element)
• 3 Wire Delta, 2 VTs (2 element)
• 3 Wire Delta Direct (3 element)
• Single Phase, Direct (1 element)
(Neutral CT or Calculated In)
Alternative VT/CT Connections:
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Ordering InformationOrdering Information
GE Multilin215 Anderson Ave.Markham, OntarioCanada L6E 1B3
International: +1 905 294 6222
Europe:+34 94 485 88 00
Email:[email protected]
Web:http://www.GEindustrial.com/multilin
To order the PQM, call your local GE sales office, or contact:
PQM Ordering Code: