16
C
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osse
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Check the charge status before closing the load switch. If the switch is in "DISCHARGE"
state, charge it through the manual charging handle until it turns into "CHARGED" state,
as shown in the figure below:
If it is in the "CHARGED" state, skip manually charging the load switch. Press the close
button to connect the circuit breaker, so that the load switch is in the "CLOSED" state.
O
Op
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en
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Press the open button to disconnect the circuit breaker, so that the load switch is in the
"OPEN" state.
4.2
Starting the PCS
4.2.1 Inspection before PCS Start
After completing maintenance or troubleshooting, start the PCS. Ensure that all the
following items meet requirements before starting the devices.
•
All connections are done by strictly following the installation manual and circuit
diagram.
•
The protection cover inside the device has been installed securely.
•
The emergency stop button is released and the Start/Stop switch is in Start position.
•
Grid main switch is in OFF position.
•
Measure the DC and AC voltage with multimeter to check if they fulfill the PCS
startup conditions and there is no overvoltage hazard.
•
The cabinet door is closed and the key is removed and stored by appointed
personnel.
After longtime storage, a thorough and professional test is necessary before
starting the PCS.
Operation Manual
