Maintenance; Contents Of This Chapter; Safety Instructions - ABB ACS800 Series Hardware Manual

+c236 wind turbine convert for asynchronous slip ring generators
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Maintenance

Contents of this chapter

This chapter contains a table of maintenance intervals, maintenance instructions,
and the descriptions of LEDs.

Safety instructions

Only a qualified electrician is allowed to perform the maintenance.
Before starting work inside the converter system,
• isolate the generator stator and the input of the ACS800-67 from the grid. It is
also highly recommended that the rotor of the generator is locked with a
mechanical brake
• switch off any voltages connected to the I/O terminals
• wait for 5 minutes to let the intermediate circuit capacitors discharge
• open the cabinet doors
• ensure there is no dangerous voltage present by measuring the voltage of the
input terminals and the intermediate circuit terminals.
91
Maintenance

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Acs800-67

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