Over deze norm
Specifies general requirements to the tests of static measuring relays and protection equipment with or without output contacts. The requirements are applicable only to equipment in new condition. Object is to state definitions of terms used, standard test severity classes, test conditions, test procedure, criteria for acceptance.
|Engelse titel||Electrical relays - Part 22: electrical disturbance tests for measuring relays and protection equipment - Section 4: Fast transient disturbance test|