Power Supply - GE 469 Instruction Manual

CHAPTER 2: INTRODUCTION
NoteNote 1
2.2.6

Power Supply

Note
469 MOTOR MANAGEMENT RELAY – INSTRUCTION MANUAL
THREE-PHASE APPARENT POWER
Range:..................................................................0 to 65535 kVA
Accuracy: ...........................................................I
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
Timing accuracy: ...........................................±100ms or ± 0.5% of total time (Note 1)
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
Timing accuracy: ...........................................±0.5 s or ±0.5% of total time (Note 1)
NOTE 1
For Timing accuracy specifications marked (Note 1), setpoint "Motor Load Filter Interval"
may increase trip/alarm times. When setpoint is greater than 1 cycle, trip/alarm times
increase 16.7 ms for each additional cycle in the filter interval.
CONTROL POWER
Options:...............................................................LO / HI (must be specified with order)
LO range:............................................................20 to 60 V DC
HI range:.............................................................90 to 300 V DC
Power:..................................................................45 VA (max), 25 VA typical
Total loss of voltage ride through time
FUSE (HI and LO VOLT)
Current rating: ................................................2.50 A
Type: .....................................................................5 × 20 mm SLO-BLO HRC Littelfuse, high breaking
Model no.:...........................................................215-02.5
An external fuse must be used if the supply voltage exceeds 250 V.
< 2 × CT: ±1% of × 2 × CT × VT × VT
3
avg
I > 2 × CT: ±1.5% of × 20 × CT × VT × VT
3
avg
< 2 × CT: ±1% of × 2 × CT × VT × VT
3
avg
at I > 2 × CT: ±1.5% of
3
avg
< 2 × CT:±1% of × 2 × CT × VT × VT
3
avg
at I > 2 × CT±1.5% of
3
avg
20 to 48 V AC at 48 to 62 Hz
70 to 265 V AC at 48 to 62 Hz
(0% control power): 16.7 ms
capacity
full scale
full scale
full scale
× 20 × CT × VT × VT
full scale
full scale
× 20 × CT × VT × VT
full scale
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