补偿无功功率，提高功率因数，降低线损，节能降耗

抑制电压波动和闪变

抑制三相不平衡

提高线路输电稳定性

具备一定谐波治理功能

维持负荷端电压，加强系统电压稳定性

Compensate reactive power, improve power factor, reduce line loss, save energy and reduce consumption

Suppress voltage fluctuations and flickers

Suppress three-phase unbalance

Improve the stability of line transmission

Have a certain harmonic control function

Maintain the load terminal voltage and strengthen the system voltage stability