- protection current transformer
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трансформатор тока для релейной защиты
Англо-русский словарь технических терминов. 2005.
protection current transformer
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Current transformer — A CT for operation on a 110 kV grid In electrical engineering, a current transformer (CT) is used for measurement of electric currents. Current transformers, together with voltage transformers (VT) (potential transformers (PT)), are known as … Wikipedia
Transformer — This article is about the electrical device. For the toy line franchise, see Transformers. For other uses, see Transformer (disambiguation). Pole mounted distribution transformer with center tapped secondary winding. This type of transformer is… … Wikipedia
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Power system protection — is a branch of electrical power engineering that deals with the protection of electrical power systems from faults through the isolation of faulted parts from the rest of the electrical network. The objective of a protection scheme is to keep the … Wikipedia
Capacitor voltage transformer — A capacitor voltage transformer (CVT), or capacitance coupled voltage transformer (CCVT) is a transformer used in power systems to step down extra high voltage signals and provide a low voltage signal, for measurement or to operate a protective… … Wikipedia
Inrush current — or input surge current refers to the maximum, instantaneous input current drawn by an electrical device when first turned on. For example, incandescent light bulbs have high inrush currents until their filaments warm up and their resistance… … Wikipedia
Alternating current — (green curve). The horizontal axis measures time; the vertical, current or voltage. In alternating current (AC, also ac) the movement of electric charge periodically reverses direction. In direct current (DC, also dc), the flow of electric charge … Wikipedia
Geomagnetically induced current — Geomagnetically induced currents (GIC), affecting the normal operation of long technological conductor systems, are a manifestation at ground level of space weather. During space weather events (or geomagnetic storms) Earth s near space current… … Wikipedia
Neon sign transformer — A Neon Sign Transformer (NST) is a transformer made for the purpose of powering a neon sign. They convert line voltage from the 120 240v range up to high voltages, usually in the range of 2 to 15 kV. Most of these transformers generate between 30 … Wikipedia
Cathodic protection rectifier — Cathodic protection rectifiers are AC powered electrical equipment that provide direct current for impressed current cathodic protection systems.Rectifier units are often custom manufactured and equipped with a variety of features, including oil… … Wikipedia
