GE Multilin MM200, Быстрый старт

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20 MM200 MOTOR MANAGEMENT SYSTEM – QUICKSTART GUIDE
SPECIFICATIONS QUICKSTART GUIDE
1.5 Specifications
N OTE
NOTE:
Specifications are subject to change without notice.
1.5.1 Protection specifications
ACCELERATION TIMER
Pickup:...................................................................... I
av
> I
cutoff
Dropout: .................................................................. I
av
< I
pu
or timer expired
Time delay: ............................................................0.5 to 250.0 seconds in steps of 0.1
Timing accuracy: ................................................±500 ms or 1.5% of total time
Elements:................................................................trip and alarm
CURRENT UNBALANCE
Range:......................................................................4 to 40% in steps of 1%
Accuracy:................................................................±2%
Time delay: ............................................................1 to 60 seconds in steps of 1 s
Timing accuracy: ................................................±500 ms
Elements:................................................................trip and alarm
GROUND FAULT (CBCT)
Pickup level:...........................................................0.5 to 15.0 A in steps of 0.1 A
Trip time delay on start:...................................0 to 10 s in steps of 0.1 s
Trip time delay on run: .....................................0 to 5 s in steps of 0.1 s
Alarm time delay on start/run:.....................0 to 60 s in steps of 1 s
Timing accuracy: ................................................±100 ms or ±0.5% of total time
Elements:................................................................trip and alarm
LOAD INCREASE
Pickup level:...........................................................50 to 150% of FLA in steps of 1%
Timing accuracy: ................................................±500 ms
Elements:................................................................Alarm
MECHANICAL JAM
Pickup level:...........................................................1.01 to 4.50 × FLA in steps of 0.01
Time delay: ............................................................0.1 to 30.0 seconds in steps of 0.1
Timing accuracy: ................................................±500 ms
Elements:................................................................trip
CALCULATION METHOD
If IAV ≥ IFLA: ( [IM - IAV] / IAV ) x 100%
If IAV ≤ IFLA: ( [IM - IAV] / IFLA ) x 100%
Where :
IAV = average phase current
IM = current in a phase with maximum deviation from IAV
IFLA = MOTOR FULL LOAD AMPS setpoint