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NEN EN 50216-3 : 2002 AMD 2 2006

Current

Current

The latest, up-to-date edition.

POWER TRANSFORMER AND REACTOR FITTINGS - PART 3: PROTECTIVE RELAY FOR HERMETICALLY SEALED LIQUID-IMMERSED TRANSFORMERS AND REACTORS WITHOUT GASEOUS CUSHION

Published date

12-01-2013

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1 Scope
2 Normative references
3 Identification of relays
4 Service conditions
   4.1 Maximum inclination
   4.2 Operating pressure
   4.3 Sensitivity of the relay contacts to magnetic fields
5 Outline and mounting details
6 Operational performance
   6.1 General
   6.2 Gas collection
   6.3 Leakage detection
   6.4 Pressure detection
   6.5 Temperature detection (for relay type 2)
   6.6 Temperature indicator
7 Electrical characteristics of switch
   7.1 Rated currents
   7.2 Breaking and making capacity
   7.3 Operation time
8 Mechanical requirements
   8.1 Terminal box
   8.2 Testing facilities
   8.3 Gas sampling
   8.4 Presence of gas in the relay
9 Nameplate
10 Tests
   10.1 Routine tests
   10.2 Type tests

Applicable to protective relays for hermetically liquid-immersed transformers, complying with the EN 60076 series, and reactors, complying with EN 60289, without gaseous cushions for indoor or outdoor installation.

DevelopmentNote
AMD 1 2003 is no longer active. (11/2009)
DocumentType
Standard
PublisherName
Netherlands Standards
Status
Current

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