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After startup, the MV Station will automatically check if parameters of the DC and AC side
meet the grid-connection requirements. If so and the set time have been reached, the MV
Station will turn to the OPERATION mode and feed the generated AC current to the grid.
• MV Station needs no manual control in daily operation. Only qualified
personnel are allowed to open the cabinet door for maintenance or
troubleshooting.
• Keep the door closed and locked and store the keys of the door by appointed
personnel during normal operation.
8.2 Stopping
Stop the inverter when maintenance and service work is required or a fault occurs.
8.2.1 Normal Stop
Proceed as follows to stop the MV Station during normal maintenance and service work as
follows:
step 1 Stop the MV Station through the stop instruction on the LCD panel.
step 2 Turn the DC knob switch to the OFF position.
step 3 Check to make sure the QS1 and QS3 DC load break switches are disconnected. If the
inverter was equipped with energy storage ports, make sure the QS2 and QS4 are
disconnected as well.
step 4 Disconnect the QS6 AC maintenance switch, and QS5 DC maintenance switch.
step 5 Check to make sure the QF1 and QF2 AC circuit breakers are disconnected.
step 6 Disconnect the MV transformer switches.
step 7 Disconnect the switches of the PV combiner boxes.
step 8 MV Station stops running.
- - End
Specific switch position，refer to "figure 3-1 DC cabinet"and"figure 3-2 AC
cabinet".
8.2.2 Stop in Case of Fault
Proceed as follows to stop the MV Station when a fault or emergency occurs as follows:
step 1 Press the emergency stop button.
step 2 Turn the DC knob switch to the OFF position.
step 3 Disconnect the QS6 AC maintenance switch, and QS5 DC maintenance switch.
8 Starting/Stopping System Manual
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