zero-phase sequence current transformer

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• Zigzag transformer — A zigzag transformer is a special purpose transformer. It has primary windings but no secondary winding. One application is to derive an earth reference point for an ungrounded electrical system. Another is to control harmonic currents.As with… …   Wikipedia

• трансформатор тока нулевой последовательности — Трансформатор тока, предназначенный для определения тока нулевой последовательности в трехфазных цепях. [ГОСТ 18685 73] Тематики трансформатортрансформатор тока EN zero phase sequence current transformerzero sequence current transformer …   Справочник технического переводчика

• Three-phase — This article deals with the basic mathematics and principles of three phase electricity. For information on where, how and why three phase is used, see three phase electric power. In electrical engineering, three phase electric power systems have …   Wikipedia

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• Autotransformer — An autotransformer (sometimes called autoformer ) [ Paul Horowitz and Winfield Hill, The Art of Electronics Second Edition , Cambridge University Press, Cambridge MA, 1989, ISBN 0 521 37095 7, page 58 ] is an electrical transformer with only one… …   Wikipedia

• Inverter (electrical) — An inverter is an electrical device that converts direct current (DC) to alternating current (AC)[1]; the converted AC can be at any required voltage and frequency with the use of appropriate transformers, switching, and control circuits. Solid… …   Wikipedia

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• Ferroresonance — The phenomenon of Ferroresonance is the occurrence of an unstable high voltage, typically on 3 phase electrical systems which only occurs under specific conditions. The nature of the overvoltage can cause the failure of equipment.Ferroresonance… …   Wikipedia

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