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IEVref:321-02-26ID:
Language:enStatus: Standard
Term: composite error
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Definition: under steady-state conditions, the r.m.s. value of the difference between:
  1. the instantaneous values of the primary current, and
  2. the instantaneous values of the actual secondary current multiplied by the rated transformation ratio,
the positive signs of the primary and secondary currents corresponding to the convention for terminal markings

NOTE – The composite error is generally expressed as a percentage of the r.m.s. value of the primary current.


Publication date:1986
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