Generators are used for generating electrical energy. If they fail, this means a loss of production and therefore a loss of earnings for the operator.

Maintenance and diagnostics of the system's functionality play an important role in avoiding unforeseen failures.

Following an extended period of inactivity, electrical diagnostic measurements were performed on an old hydropower generator with a rated voltage of 6,400V and an output power of 5,400kW to secure uninterrupted operation.

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