提高牵引变电所(简称牵引变)功率因数以改善系统电压质量、减少系统损耗是改善电气化铁路电能质量的有效措施。
Increasing power factor of traction substation is the effective measure to improve power quality of electrified railway for better voltage quality and less loss.
无功功率优化是减少电网损耗的有效措施。
The reactive power optimization is an effective measure for reducing the network loss.
只有做到合理补偿无功功率，才能有效地维持和稳定系统电压水平，从而降低有功损耗，提高系统供电效率。
Compensating reactive power reasonably can keep system's stable voltage level effectively, so reduces the active loss, improves system's efficiency of power supply.
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