Article

IEEE standard inverse-time characteristic equations for overcurrent relays

IEEE Transactions on Power Delivery (Impact Factor: 1.66). 08/1999; DOI: 10.1109/61.772326
Source: IEEE Xplore

ABSTRACT This paper introduces the new standard “IEEE standard
inverse-time characteristic equations for overcurrent relays”. It
provides an analytic representation of typical electromechanical relays
operating characteristic curve shapes in order to facilitate
coordination when using microprocessor-type relays

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