Overvoltage Elements (59P, 59X, 59Nh); Element - GE Multilin GEK-113328A Instruction Manual

Generator protection & control system
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6 COMMISSIONING

6.14OVERVOLTAGE ELEMENTS (59P, 59X, 59NH)

Set the relay to trip for the protection element being tested. Configure any of the outputs to be activated only by the
protection element being tested.
Set the relay as follows:
Apply voltage as indicated on the table under the overvoltage setting level and verify that the relay does not trip.
Verify that the relay trips for the set voltage (with an admissible error of 5%).

ELEMENT

PHASE PICKUP LEVEL
59P
VII
Set the relay as follows:
Apply voltage as indicated on the table under the overvoltage setting level and verify that the relay does not trip.
Verify that the relay trips for the set voltage (with an admissible error of 5%).
ELEMENT
INPUT
59X
VX
GEK-113328A
PHSE OV (59P)
Function
ENABLED
Pickup Level
120 V
Trip Delay
2.00
Reset Delay
0.00
Logic
ANY PHASE
TRIP DELAY
(VOLTS)
(SECONDS)
120
2
GENERAL SETTINGS
Auxiliary Voltage
VX
AUXILIARY OV (59P)
Function
ENABLED
Pickup Level
120 V
Trip Delay
2.00
Reset Delay
0.00
Logic
ANY PHASE
PICKUP LEVEL
TRIP DELAY
(VOLTS)
(SECONDS)
120
2
G650 Generator Protection & Control System
6.14 OVERVOLTAGE ELEMENTS (59P, 59X, 59NH)
APPLIED
TRIPPING TIME (S)
VOLTAGE (V)
EXPECTED
114
NO TRIP
132
2
132
2
APPLIED
TRIPPING TIME (S)
VOLTAGE (V)
EXPECTED
114
NO TRIP
132
2
132
2
6.14.1 59P ELEMENT
ADMISSIBLE
NA
[1.9–2.1 ]
[1.9 – 2.1]
6.14.2 59X ELEMENT
6
ADMISSIBLE
NA
[1.9–2.1]
[1.9 – 2.1]
6-17

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Multilin g650

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