Residual Current

Definition: The algebraic sum, in a multi-phase system, of all the line currents.

Related Links

Residual-current device – Wikipedia
What is the difference between a residual current device (RCD) and a residual circuit breaker with overcurrent protection (RCBO)? – Energuide
Residual current definition and meaning | Collins English Dictionary
residual current | Definition of residual current in English by Oxford Dictionaries

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