Maintenance and Testing of Relays

Commissioning—Periodic Maintenance—Transfer to Test Circuit—Tools—Safety Measures—Mechanical Tests—Electrical Tests—Manufacture Tests
  • A. R. van C. Warrington


PROTECTIVE relays are intended to protect expensive electrical equipment. With proper care they will perform this duty, but when neglected they may become inoperative and could become a hazard in themselves. Since the reliability is the most important quality of protective relays it follows that their maintenance must be first class.


Current Transformer Test Circuit Primary Circuit Protective Relay Iron Wire 
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  1. 68.
    Warrington, A. R. van C. ‘Survey of Methods of Mounting Protective Relays and Arrangements for their Testing and Maintenance’, C.I.G.R.E., 1955, Paper No. 334.Google Scholar
  2. 105.
    Warrington, A. R. van C. ‘Reduction of Maintenance Time for Protective Relays by Simplification of Design and Test Methods’, C.I.G.R.E., Paris, May 12th-22nd, 1954, Report No. 330.Google Scholar
  3. 116.
    Adams, A. W. ‘Some Aspects of Testing Related to Meters, Relays and Instruments’, The English Electric Journal, Vol. 15, No. 6, June 1958.Google Scholar

Copyright information

© Albert Russell van Cortlandt Warrington 1968

Authors and Affiliations

  • A. R. van C. Warrington
    • 1
  1. 1.The English Electric Company LimitedStaffordUK

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