Method for testing a protective device and correspondingly equipped protective device and testing device
The method involves testing an operating procedure of a protection device (1), where functions of the procedure requires a preset operation time period during utilization of the device for protecting a power transmission network (2). A time measuring device (7) of the protection device is operated for testing the protection device such that the operating procedure is tested in a short time period than the operation time period of the operating procedure. The protection device is connected with the network by an interface e.g. digital interface (12) that conforms to IEC 61850-9-2. An independent claim is also included for a test device for testing a protection device for a power transmission network.
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