Rational planning of local reactive compensation and transformer capacity is very important for demand side management to reduce power losses and improve the economical power system operation.
合理的无功就地补偿和选择变压器容量可以降低损耗,提高系统运行的经济性,是电力需求侧管理的重要内容。
The traditional methods based on definitions of reactive power can not fulfill the demand, so the paper employs the instantaneous reactive power theory to detect the reactive power in SVC system.
传统的根据无功功率的定义来计算SVC系统中的无功功率的方法难以满足快速响应要求,因此本文采用瞬时无功理论来实现SVC系统中无功功率的计算和检测。
With the load growth of distribution system, reactive demand rises in order to increase power factor, voltage quality and transmission efficiency.
随着配电系统负荷日益增长,无功需求也相应增加,配电线路广泛采用并联电容器来满足无功需求。
A mathematical model is proposed for daily reactive power scheduling for the demand of management of reactive power and voltage.
根据实际无功电压管理工作的需要,建立了日无功计划数学模型。
Theoretic analysis and operation results confirm that the filter can resolve the demand of harmonic restraint and reactive power compensation effectively, and has good engineering application effect.
理论分析和现场运行情况表明,该有源滤波器能有效解决实际工况下对电网谐波抑制和无功补偿的需求,具有很好的工程应用效果。
It concludes that reactive compensation can increase power factor. Economical transformer operation can decrease energy loss. Power demand control can shed maximum peak load and lower productive cost.
无功补偿可以提高功率因数,变压器的经济运行可以最大限度地降低变压器的电能损耗,需量控制能够降低企业最大峰值负荷,降低生产成本。
It concludes that reactive compensation can increase power factor. Economical transformer operation can decrease energy loss. Power demand control can shed maximum peak load and lower productive cost.
无功补偿可以提高功率因数,变压器的经济运行可以最大限度地降低变压器的电能损耗,需量控制能够降低企业最大峰值负荷,降低生产成本。
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