Thermal Image Element - GE MIFII GEK-106237P Instruction Manual

Digital feeder protection with recloser
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9.17 THERMAL IMAGE ELEMENT (49)

9.17THERMAL IMAGE ELEMENT (49)
Enable 49 element only.
Set the relay as follows:
Apply the following currents and check that the operating time is within the given range:
If relay has 5 Amps rated current:
RELAY RATED CURRENT
(AMPS)
5
If relay has 1 Amps rated current:
RELAY RATED CURRENT
(AMPS)
1
Repeat the test with a Heating Time Constant equal to 60 minutes. Check that the operating values are within the given
range:
If relay has 5 Amps rated current:
RELAY RATED CURRENT
(AMPS)
5
If relay has 1 Amps rated current:
RELAY RATED CURRENT
(AMPS)
1
9
Note: You must reset the Thermal Image Element after each test, to start the following one from the same cold
status.
9-24
49 SETTINGS GROUP
Pickup
Heating Time Constant T1
Cooling Time Constant T2
APPLIED CURRENT
(AMPS)
4.0
10.0
20.0
APPLIED CURRENT
(AMPS)
0.8
2.0
4.0
APPLIED CURRENT
(AMPS)
4.0
10.0
20.0
APPLIED CURRENT
(AMPS)
0.8
2.0
4.0
MIFII Digital Feeder Relay
0.4 x In
3 min.
1 times T1
TIMES IN SET IN THE
RELAY
2
5
10
TIMES IN SET IN THE
RELAY
2
5
10
TIMES IN SET IN THE
RELAY
2
5
10
TIMES IN SET IN THE
RELAY
2
5
10
9 RELAY COMMISSIONING
OPERATING TIME (SEC.)
48.5 – 53.6
7.06 - 7.80
1.77 - 1.95
OPERATING TIME (SEC)
48.5 - 53.6
7.06 - 7.80
1.77 - 1.95
OPERATING TIME (SEC.)
960 - 1072
141 - 156
35.4 - 39
OPERATING TIME (SEC.)
960 - 1072
141 - 156
35.4 - 39
GEK-106237P

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