Verification Of Rtu Outputs; Verification Of The Tap-Up/Tap-Down Commands Operation - GE DTR GEK-106305A Instruction Manual

For carrying out the tests using RTU inputs, it is essential that the LOCAL/REMOTE switch is set as
Set the DTR as MANUAL mode, with a pulse in the "MANUAL" input.
With the relay set as MANUAL, check that:
S4 is active
S3 is inactive
Apply a pulse in the "AUTOMATIC" input, so that the relay switches to AUTOMATIC mode, and check that:
S3 is active
S4 is inactive
Activate the "STOP" input, and check that:
S7 becomes active (switches from open to closed contact)
S5 deactivates (switches from closed to open contact).
Deactivate this input and check that:
S5 remains deactivated
S7 deactivates.
For the following tests, maintain the front switch as REMOTE.
Apply a voltage of 100 V through terminals A7-A8:
•
Apply a pulse to the "MANUAL" input, so that the relay switches to MANUAL mode, and then apply a pulse to the
"TAP-UP" input and check that:
S8 is deactivated and S1 gets active for 5 seconds; after that, when S1 deactivates, S8 becomes activated.
•
Activate the "TAP-DOWN" input and check that:
S8 is deactivated and S2 gets active for 5 seconds; after that, when S2 deactivates, S8 becomes activated.
•
Activate the input associated to "TAP 4"
•
Apply a pulse to the "TAP-DOWN" input, and then check that:
S2 gets active for 5 seconds;
Then activate the input associated to "TAP 6" and check that S9 activates.
GEK-106305A
7. ACCEPTANCE TESTS
IMPORTANT:
REMOTE.

7.8.3 VERIFICATION OF THE TAP-UP/TAP-DOWN COMMANDS OPERATION:

DTR Digital Tap Changer Controller

7.8.2 VERIFICATION OF RTU OUTPUTS:

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