FIELD: power engineering.
SUBSTANCE: facility consists of series RC-circuits connected according to circuitry of four-rayed star, three rays of which are connected to protected phases, while one ray is earthed. Parametres of RC-circuits are calculated by specified formulas.
EFFECT: increased reliability and expanded range of application.
2 dwg, 1 ex
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Authors
Dates
2010-07-10—Published
2009-04-14—Filed