针对电气化铁路变电所功率因数低，不能满足剧烈变化的牵引负荷对无功补偿要求的现状。
The power factor for the railway substation of the electrified railway is low and can not meet the conditions of severe tractive load to reactive compensation requirements.
由于感性负荷的比例大，造成供电电网的功率因数低，损耗大。
Because of inductance loading is larger, the power factors of electrified wire netting are lower and the loss is higher.
配电网中许多负荷功率因数低、波动大、变化快，传统的无功功率补偿装置很难起到理想的补偿效果。
Many load in distribution network has low power factor, fluctuates greatly, and changes fleetly. It is hard to achieve perfect compensation by traditional compensator.
电机长期工作在低负荷时的效率和功率因数均较低，降低了空调机组的性能系数COP，增加了空调机组的能耗。
The property coefficient COP of air conditioner system reduced and its consumption increased when the electrical motor operated at lower load.
电机长期工作在低负荷时的效率和功率因数均较低，降低了空调机组的性能系数COP，增加了空调机组的能耗。
The property coefficient COP of air conditioner system reduced and its consumption increased when the electrical motor operated at lower load.
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