AEG PV.630 Connection of DC Voltage, After connecting the DC voltage, Other fault indications

Protect PV.630 Installation and Start-up

6.3Connection of DC Voltage

GCB	Generator connection box
Grid	Power utility mains (supplying mains)

DOU￿ Display and operation unit

After connecting the DC voltage:

Switch off GCBs (external).

Check that there is no voltage.

Insert all F41 fuses (DC/AC control cabinet).

Check the polarity in the system's DC/AC control cabinet.

Check the polarity of the DC at every GCB. Connect all GCBs.

Switch on the system via the DOU.

The INV contactor K7 switches on automatically after a few sec- onds and power is fed into the power utility mains.

If the INV contactor K7 does not switch on, check the following:

“Field rotation fault” fault message

Check the INV control cabinet and DC/AC control cabinet connec- tion lines to ensure they have a clockwise rotating field.

Isolate the system to do this.

Other fault indications

See “Monitoring Systems, Messages and Faults” in the operat- ing instructions.

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