GE Industrial Solutions POWER LEADER PMCS Network Architecture Guide - Manual (Page 62)

Power Management Control System
Appendix A — IED Descriptions
52
Applications Summary
• Cost Allocation & Billing
• Demand & Power Factor Control
• Load Studies & Circuit Optimization
• Equipment Monitoring & Control
• PreventativeMaintenance
The EPM 7330 offers the following features:
Measurements
• Energy: bi-directional, absolute & net
• Demand: Sliding Window, Predicted, &
Thermal
• Harmonics: individual & total harmonic
distortion up to the 15th
Communications
• allows distribution of metered data and alarms
over the Internet
• 1 Optional built-in modem allows access to up
to 31 RS-485 devices
• 1 Optional Ethernet port with EtherGate™,
allows access to RS-485 device networks
• 2 RS-485 ports
• 1 front panel optical port
• Modbus™ RTU on serial, Ethernet, modem, &
infrared ports
• DNP 3.0 on serial, modem, & infrared ports
On-Board Data Logging
• Scheduled or event-driven logging of up to 32
parameters
• Sequence-of-events & min/max logging
• Setpoints for Control and Alarms
• Setpoint on any parameter or condition
• 1 second operation
Inputs and Outputs
• 4 digital inputs for status/counter functions
• 4 relay outputs for control/pulse functions
• Optional Analog inputs and outputs
Switchboard Draw-out Cases
• Fits into existing GE S1 or ABB FT21
switchboard cases.
Instantaneous Measurements
• Voltage (l-l/l-n), per phase and average
• Current, per phase and average
• Real Power, per phase and total
• Reactive Power, per phase and total
• Apparent Power, per phase and total
• Power Factor, (lead/lag), per phase and total
• Voltage Unbalance
• Current Unbalance
• Frequency
Energy
• Imported, exported, absolute and net kWh &
kVARh. Accumulated kVAh
Demand
• Sliding Window, Predicted, and Thermal
Demand on kW, kVAR, kVA, and I average
Minimums and Maximums
• Voltage (l-l/l-n) per phase
• Current per phase
• kW, kVAR, kVA, Power Factor, Frequency
Sliding Window Demand for kW and kVA
Electronic Power Meter EPM 3710
The Electronic Power Meter (EPM) 3710 is a 16-bit
microprocessor-based digital instrumentation package
for three-phase industrial, commercial, and utility
power systems. The EPM 3710 offers a large array of
measurements, waveform capture for harmonic
analysis, and setpoint-controlled relays, including the
following features:
• Three-phase voltage inputs
• Three-phase current inputs
• Neutral/ground current input
• Three relay outputs
• Four digital inputs with pulse counter on one
input with maximum pulse-count frequency 0.3
Hz
• One analog voltage input, one analog current
output
• 80 measured parameters
• Waveform-capture triggering communication
port
• Trend log with one preset log, 12 parameters,
1200-record capacity, triggered by time interval
(Optional: one programmable log, 12
parameters, 11,520 record capacity [40 days])
• Event log with 50 records standard, one-second
resolution(optional: 100 records)
• Minimum/maximum log with 17 parameters
• 17 standard-speed setpoints trigger event log or
relay control
The Electronic Power Meter 3710 offers 38 high-
accuracy, real-time measured parameters, minima and
maxima for 21 parameters, and 25 status parameters.