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通常在变电所低压侧设置电容集中补偿装置,补偿后功率因数不小于0.9,设计工程中忽略中压网络、牵引机组对功率因数的影响。通过实例,计算并分析其影响程度。
Capacitor concentration compensation devices are usually installed on the low voltage side of the substation, and the power factor after compensation is not less than 0.9. The influence of medium voltage network and traction unit on the power factor is neglected in the design project. By example, calculate and analyze the degree of influence.