Installation and Commissioning
8-22 7SJ63 Manual
C53000-G1140-C120-1
o Power consumption by the power supply should be in accordance with the quiescent
specification.
o Remove the voltage from the power supply by opening the protective switches.
o Disconnect the measuring test equipment; restore the normal power supply connec-
tions.
o Apply voltage to the power supply.
o Close the protective switches for the voltage transformers.
o Verify that the voltage phase rotation at the device terminals is correct. Note that the
device can be set for ABC rotation or ACB rotation under Address 3+$6(
6(4in 36\VWHP'DWD. See also Sub-section 6.1.1.
o Open the protective switches for the voltage transformers and the power supply.
o Check the trip and close circuits to the power system circuit breakers and the other
primary equipment that is to be controlled by the 7SJ63.
o Verify that the control wiring to and from other devices is correct.
o Check the signalling connections.
o Close the protective switches to apply voltage to the power supply.
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