Reduce Utility Cost by improving Power Factor

Stanley Kintigh

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Reduce Utility Cost by improving Power Factor

机译：通过改善功率因数降低公用事业成本

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When SCR controllers are used to control the electrical power, power factor is effectuated. Learn how multiple SCR controllers can be used to improve the power factor and reduce electrical costs. Power factor is the ratio of real power to apparent power; therefore, power factor is Watts/Vrms × Irms If the voltage and current are in phase, as would occur with a resistive load, the power factor is unity because the real power and apparent power are equal. If the voltage and current are not in phase, as would occur with an inductive or capacitive load, no power is created and the power factor would be zero.

机译：当使用SCR控制器控制电功率时，功率因数便会实现。了解如何使用多个SCR控制器来改善功率因数并降低电气成本。功率因数是有功功率与视在功率之比；因此，功率因数为瓦特/伏特rms×Irms如果电压和电流同相（如在阻性负载下会发生的情况），则功率因数为1，因为有功功率和视在功率相等。如果电压和电流同相（如在电感性或电容性负载中会发生的情况），则不会产生任何功率，并且功率因数将为零。

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《Process Heating》 |2008年第8期|p.28-30|共3页
作者
Stanley Kintigh;
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Control Concepts Inc.;

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原文格式 PDF
正文语种 eng
中图分类热力工程、热机;
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Reduce Utility Cost by improving Power Factor

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