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A-13
I, U, f, P, E, THD measurements
Current measurements
Phase and neutral currents I1, I2, I3, IN
b
Average current of the 3 phases Iavg
b
Highest current of the three phases Imax
b
Ground-fault current Ig (Micrologic 6.2 / 6.3 A)
b
Maximeter/minimeter for I measurements
b
Current unbalance between phases
b
Voltage measurements
Phase-to-phase (U) et phase-to-neutral (V) voltages
b
Average voltages Uavg, Vavg
b
Ph-Ph (U) and Ph-N (V) voltage unbalance
b
Frequency measurements
Frequency (f)
b
Power-quality indicators
Total harmonic distortion (THD) for current and
b
voltage
Power measurements
Active, reactive and apparent power, total and per
b
phase
Power factor and cos
b
Maximeters/minimeters
For all I, U, f, P, E measurements
b
Demand current and power measurements
Demand values, total and per phase
b
Maximum demand
b
Energy metering
Active, reactive and apparent energy, total and per
b
phase
Operating and maintenance assistance
Indications, alarms and histories
Indication of fault types
b
Alarms for high/low thresholds linked to I, U, f, P, E
b
measurements
Trip, alarm and operating histories
b
Time-stamped tables for settings and I, U, f, P, E
b
maximeters
Maintenance indicators
Operation, trip and alarm counters
b
Operating hours counter
b
Contact wear
b
/RDG SUR¿OH DQG WKHUPDO LPDJH
b
Communication
Modbus with add-on module
b
Energy Micrologic (E)
DB112045
559E1100.indd
version: 1.0