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three-phase+equipment

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  • Three-phase electric power — This article deals with where, how and why three phase is used. For information on the basic mathematics and principles of three phase, see three phase. Three phase electric power is a common method of alternating current electric power… …   Wikipedia

  • 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

  • Phase converter — A phase converter is a device that converts power provided as single or multiple phases to a different number of phases.The majority of phase converters are used to produce three phase electrical power from a single phase source, thus allowing… …   Wikipedia

  • Phase fired controllers — Phase control (PFC), also called phase cutting, is a method of pulse width modulation (PWM) for power limiting, applied to AC voltages. It works by modulating a thyristor, SCR, triac, thyratron, or other such gated diode like devices into and out …   Wikipedia

  • Phase —   Alternating current is carried by conductors and a ground to residential, commercial, or industrial consumers. The waveform of the phase power appears as a single continuous sine wave at the system frequency whose amplitude is the rated voltage …   Energy terms

  • Digital phase converter — A digital phase converter creates a three phase power supply from a single phase supply. A digital signal processor (DSP) is used to control power electronic devices to generate a third voltage, which along with the single voltage from the supply …   Wikipedia

  • Three Mile Island (book) — Three Mile Island: A Nuclear Crisis in Historical Perspective is a scholarly history of the Three Mile Island accident, written by J. Samuel Walker and published in 2004. Walker is the Nuclear Regulatory Commission s historian and his book is the …   Wikipedia

  • Phase Change Material — A phase change material (PCM) is a substance with a high heat of fusion which, melting and solidifying at a certain temperature, is capable of storing and releasing large amounts of energy. Heat is absorbed or released when the material changes… …   Wikipedia

  • phase diagram — Chem. a graph, usually using temperature, pressure, and composition as coordinates, indicating the regions of stability of the various phases of a system. [1910 15] * * * ▪ physics  graph showing the limiting conditions for solid, liquid, and… …   Universalium

  • phase out — verb terminate gradually • Ant: ↑phase in • Hypernyms: ↑end, ↑terminate • Verb Frames: Somebody s something * * * [verb] wind down, close, ease off, eliminate, pull out, remove, run down, terminate, wind up, withdraw …   Useful english dictionary

  • Rotary phase converter — DefinitionA rotary phase converter, abbreviated RPC, is a Rotary converter that produces Three phase electric power from Single phase electric power. This allows three phase loads to run using generator or utility supplied single phase electric… …   Wikipedia

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