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综合运用电容补偿提高供电功率因数
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《中国棉花加工》 1990年第3期22-23,共2页
关键词 油棉厂 配电室 电容补偿 供电功率因素
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改善供电功率因数的依据和方法
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作者 黄耀文 《广船科技》 1994年第4期42-44,共3页
改善供电功率因数的依据和方法黄耀文一、概述在交流电能输送和使用过程中,用于转换成机械能、热能、光能等的那部分能量称作有功功率;而用于电路内电磁场交换的那部分能量称作无功功率,无功功率是相对于有功功率而言。无功功率的作... 改善供电功率因数的依据和方法黄耀文一、概述在交流电能输送和使用过程中,用于转换成机械能、热能、光能等的那部分能量称作有功功率;而用于电路内电磁场交换的那部分能量称作无功功率,无功功率是相对于有功功率而言。无功功率的作用,是用来提供电力网在电感性负载的... 展开更多
关键词 供电功率因素 无功功率补偿 电力系统
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Modeling Relative Humidity Effects on Power Electronic Performance
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作者 R. Ciprian B. Lehman 《Journal of Energy and Power Engineering》 2011年第7期632-640,共9页
Variations in the behavior of power supplies caused electrical behavior dependence with environmental conditions. by environmental conditions require accurate characterization of the This paper introduces models to he... Variations in the behavior of power supplies caused electrical behavior dependence with environmental conditions. by environmental conditions require accurate characterization of the This paper introduces models to help predict relative humidity (Rtt) and other environmental factors influence on sensitive circuitry in power electronic systems. The resistivity and permittivity of an insulator have been modeled using different water contents i.e. RH, such model also included the mechanical properties of the design. An application example of a high power density, high voltage DC-DC converter is used to verify the results. 展开更多
关键词 Power electronics insulator resistivity relative humidity insulator permittivity modeling.
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