GE 469

2–12 469 MOTOR MANAGEMENT RELAY – INSTRUCTION MANUAL
CHAPTER 2: INTRODUCTION
Description: .......................................................Continuous total reactive energy generation
Range:..................................................................0 to 2000000.000 Mvar·hours
Timing accuracy: ...........................................±0.5%
Update Rate:.....................................................5 seconds
METERED REAL ENERGY CONSUMPTION
Description: .......................................................Continuous total real energy consumption
Range:..................................................................0 to 999999.999 MW·hours.
Timing accuracy: ...........................................±0.5%
Update rate:......................................................5 seconds
OVERTORQUE
Pickup level:.......................................................0.1 to 999999.9 Nm/ft·lb in steps of 0.1; torque unit is
selectable under torque setup
Time delay:........................................................0.2 to 30.0 s in steps of 0.1
Pickup accuracy: ...........................................±2.0%
Time accuracy:................................................±100 ms or 0.5% of total time
Elements:............................................................Alarm (induction motors only)
POWER FACTOR
Range:..................................................................0.01 lead or lag to 1.00
Pickup level:.......................................................0.99 to 0.05 in steps of 0.01, lead and lag
Time delay:........................................................0.2 to 30.0 s in steps of 0.1
Block from start: ............................................0 to 5000 s in steps of 1
Pickup accuracy: ...........................................±0.02
Timing accuracy: ...........................................±100 ms or ±0.5% of total time
Elements:............................................................Trip and Alarm
THREE-PHASE APPARENT POWER
Range:..................................................................0 to 65535 kVA
Accuracy:............................................................I
avg
< 2 × CT: ±1% of × 2 × CT × VT × VT
full scale
I
avg
> 2 × CT: ±1.5% of × 20 × CT × VT × VT
full scale
Elements:............................................................Trip and Alarm
THREE-PHASE REACTIVE POWER
Range:..................................................................0 to ±99999 kvar
Pickup level:.......................................................±1 to 25000 kvar in steps of 1
Time delay:........................................................0.2 to 30.0 s in steps of 0.1
Block from start:..............................................0 to 5000 s in steps of 1
Pickup accuracy:.............................................at I
avg
< 2 × CT: ±1% of × 2 × CT × VT × VT
full scale
at I
avg
> 2 × CT: ±1.5% of × 20 × CT × VT × VT
full scale
Timing accuracy: ...........................................±100ms or ± 0.5% of total time
Elements:............................................................Trip and Alarm
THREE-PHASE REAL POWER
Range:..................................................................0 to ±99999 kW
Pickup: .................................................................1 to 25000 kW in steps of 1
Time delay:........................................................1 to 30 s in steps of 1
Block from start: ............................................0 to 15000 s in steps of 1
Pickup Accuracy: ............................................at I
avg
< 2 × CT:±1% of × 2 × CT × VT × VT
full scale
at I
avg
> 2 × CT±1.5% of × 20 × CT × VT × VT
full scale
Timing accuracy: ...........................................±0.5 s or ±0.5% of total time
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