GE F650 Manual

CHAPTER 6:  COMMISSIONING6.12 TIME OVERCURRENT (51PH, 51PL, 51N, 51G, 46)
GEK-113000-AF F650 DIGITAL BAY CONTROLLER 6-13
6.12   Time overcurrent (51PH, 51PL, 51N, 51G, 46)
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.
Apply 0.9 times the Pickup current and check that the relay does not trip.
Apply 1.5 times the Pickup current. The relay should trip according to the time corresponding to its set...

6-14F650 DIGITAL BAY CONTROLLER GEK-113000-AF
6.13 DIRECTIONAL ELEMENTS (67P, 67N, 67G, 67SG) CHAPTER 6:  COMMISSIONING
6.13   Directional elements (67P, 67N, 67G, 67SG)
In order to test directional units in the relay, instantaneous trips are commanded.
Two points are tested, per phase, test element.
In order to test the directional units, configure (in the Setpoint > Relay Configuration > Protection Elements screen of the 
EnerVista 650 Setup program), some overcurrent element to be su pervised by a...

CHAPTER 6:  COMMISSIONING6.13 DIRECTIONAL ELEMENTS (67P, 67N, 67G, 67SG)
GEK-113000-AF F650 DIGITAL BAY CONTROLLER 6-15
Apply the following tests:
6.13.3  67G element
Activate only protection elements 50G and 67G and set the relay as follows:
Configure one of the outputs to be activated only by unit 50G.
Apply the following tests:
6.13.4  67SG element
Activate only protection elements 50SG and 67SG and set the relay as follows:
ElementsPhase under testPolarization PhaseElement trip...

6-16F650 DIGITAL BAY CONTROLLER GEK-113000-AF
6.13 DIRECTIONAL ELEMENTS (67P, 67N, 67G, 67SG) CHAPTER 6:  COMMISSIONING
Configure one of the outputs to be activated only by unit 50SG.
Apply the following tests:
Pol V Threshold10 V
ElementsPhase under testPolarization PhaseElement trip
ChannelMagnitudeChannelMagnitude
ModArgModArg
50SG/67SG ISG2 A0º VI 60 V0º NO
60 V 180º YES
VII 0 V0º
VIII 0 V0º 

CHAPTER 6:  COMMISSIONING6.14 UNDERVOLTAGE ELEMENTS (27P, 27X)
GEK-113000-AFF650 DIGITAL BAY CONTROLLER 6-17
6.14   Undervoltage elements (27P, 27X) 
6.14.1  27P element
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 over the undervoltage setting level and verify that the relay does not trip.
Decrease voltage level gradually and...

6-18F650 DIGITAL BAY CONTROLLER GEK-113000-AF
6.15 OVERVOLTAGE ELEMENTS (59P, 59X, 59NH, 59NL, 47) CHAPTER 6:  COMMISSIONING
6.15   Overvoltage elements (59P, 59X, 59NH, 59NL, 47) 
6.15.1  59P element
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 overvoltag e setting level and verify that the relay does not trip.
Verify...

CHAPTER 6:  COMMISSIONING6.15 OVERVOLTAGE ELEMENTS (59P, 59X, 59NH, 59NL, 47)
GEK-113000-AFF650 DIGITAL BAY CONTROLLER 6-19
6.15.3  59NH and 59NL elements
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%).
This element can also be tested by applying only phase voltages . For this purpose, it is necessary to set Auxiliary Voltage =...

6-20F650 DIGITAL BAY CONTROLLER GEK-113000-AF
6.15 OVERVOLTAGE ELEMENTS (59P, 59X, 59NH, 59NL, 47) CHAPTER 6:  COMMISSIONING
NOTE: All angles mentioned on the tables are delay angles, where a balanced ABC system would be composed by: 
CHANNELApplied Voltage (V)Angle
VI 65 0º
VII 65 120º
VIII 65 240º 

CHAPTER 6:  COMMISSIONING6.16 FREQUENCY ELEMENTS (81O/81U)
GEK-113000-AF F650 DIGITAL BAY CONTROLLER 6-21
6.16   Frequency elements (81O/81U)
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, modifying frequenc y from the maximum threshold (48 Hz) to the minimum (46 Hz) 
for 81U, and from the minimum (52 Hz) to the  maximum (54 Hz) for...

6-22F650 DIGITAL BAY CONTROLLER GEK-113000-AF
6.17 RECLOSER (79) CHAPTER 6:  COMMISSIONING
6.17   Recloser (79)
Set protection element 79 as follows:
Set the relay to trip by 50PH, and configure the signals necessary to test the 79 element:
Configure one output as AR RECLOSE
Configure the AR INITIATE signal with the 50PH trip
Configure the AR LEVEL BLOCK signal with a digital input
Configure the AR CONDS INPUT with the digital signal desired
6.17.1  Reclosing cycle
Connect a latching relay simulating the...