ESI 48-4 : ISSUE 3 AMD 1
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
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DC RELAYS ASSOCIATED WITH A TRIPPING FUNCTION IN PROTECTION SYSTEMS
23-07-2013
12-01-2013
Specifies the design, performance, testing requirements and application for dc auxiliary and input energising circuits of protection relays associated with measuring and tripping functions. It applies only to relays energised from dc supplies having nominal voltages of 30, 48 or 110V, and which may also be used for energising circuit breaker tripping or closing coils, or for other heavy current intermittent duty. Additional requirements are applicable to intertrip receive relays.
| DocumentType |
Standard
|
| PublisherName |
Energy Networks Association (UK)
|
| Status |
Superseded
|
| SupersededBy |
| ESI 41-10 : ISSUE 3 | SWITCHGEAR FOR USE ON 66, 132, 275 AND 400kV SYSTEMS |
| IEC 60255-3:1989 | Electrical relays - Part 3: Single input energizing quantity measuring relays with dependent or independent time |
| BS 5992-3:1980 | Electrical relays Specification for the insulation testing of electrical relays |
| BS 5992-2(1980) : AMD 9688 | ELECTRICAL RELAYS - SPECIFICATION FOR - ALL - OR - NOTHING ELECTRICAL RELAYS |
| ESI 37-1 : ISSUE 2 | 415V AC SWITCHGEAR, CONTROLGEAR AND FUSEGEAR |
| BS 5992-1:1980 | Electrical relays Specification for contact performance of electrical relays |
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