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Electrical protection relays. Information and requirements for all protection relays. Specification for electrical disturbance tests 1 MHz burst disturbance tests
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Available format(s): Hardcopy, PDF
Withdrawn date: 15-08-1997
Language(s): English
Published date: 31-08-1990
Publisher: British Standards Institution
Committees responsibleNational forewordClause1 Scope and object2 Definitions2.1 Common mode voltage2.2 Differential mode voltage2.3 Disturbance voltage3 1 MHz burst disturbance test3.1 Standard test severity classes3.2 Test conditions3.3 Test procedure3.4 Criteria for acceptanceFigures1 High-frequency burst disturbance test diagram2 Coupling circuit for 1 MHz burst disturbance test. -Common mode between an independent circuit and earth.3 Coupling circuit for 1 MHz burst disturbance test. -Common mode between an independent circuit and all other independent circuits coupled to earth.4a Coupling circuit for 1 MHz burst disturbance test. -Differential mode.4b Coupling circuit for 1 MHz burst disturbance test. -Differential mode with inversion of the injection direction.AppendixA Explanatory notes on disturbance tests for measuring relays and protection equipment
Primarily for application to static protection relays, and acceptance criteria to be satisfied during and subsequent to the tests. Also defines test severity classes for relays and the relevant terminology.
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