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2.4 Power and Energy
Table 5. Power and Energy Metering Data
Power Metering
Real Power
Apparent Power
Reactive Power
Real Demand
Apparent Demand
Reactive Demand
Real Demand (Peak)
Apparent Demand (Peak)
Reactive Demand (Peak)
Power Factor
Power Metering
Real Energy Total
Real Energy Net
Real Energy Forward
Real Energy Reverse
Apparent Energy
Reactive Energy Received
Reactive Energy Delivered
Reactive Energy Net
Reactive Energy Total
Accuracy applicable for 10% to 120% of In at the ambient temperature of 25ºC.
Accuracy applicable for the voltage range of 50 to 690Vac at the ambient temperature of 25ºC.
Only the PT25 supports this function.
2.5 Time Current Curves
The Time-Current Curves (TCC) for the PT series trip units when used in Series IZM6 air circuit breakers are referenced to Series
IZM6 Air Circuit Breaker catalogue. All protection settings shall be made according to recommendations.
Metering Data
Unit
kW
kVA
kvar
kW
kVA
kvar
kW
kVA
kvar
-
Unit
kWh
kWh
kWh
kWh
kVAh
kvarh
kvarh
kvarh
kvarh
2. Protection and Metering Features
Accuracy
±2.5% of Reading
±2.5% of Reading
±2.5% of Reading
±2.5% of Reading
±2.5% of Reading
±2.5% of Reading
±2.5% of Reading
±2.5% of Reading
±2.5% of Reading
Accuracy
±2.5% of Reading
±2.5% of Reading
±2.5% of Reading
±2.5% of Reading
±2.5% of Reading
±2.5% of Reading
±2.5% of Reading
±2.5% of Reading
±2.5% of Reading
PT UNIT USER MANUAL APRIL 2023 www.eaton.com.cn
Notes
Approximately 1 second update
Approximately 1 second update
Approximately 1 second update
Fixed window of 5 minutes
Fixed window of 5 minutes
Fixed window of 5 minutes
Value held until reset
Value held until reset
Value held until reset
Approximately 1 second update
Notes
Forward + reverse
Forward - reverse
Delivered by source to load
Delivered by load to source
Energy
Reactive energy in quadrants 1+2
Reactive energy in quadrants 3+4
Kvarh delivered – kvarh received
Kvarh delivered + kvarh received
7
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