供电可靠性及电能质量一直是用户和供电部门密切关注的问题。
Reliability of power supply and power quality are always the concerns of customers and power departments.
窃电给国家经济带来极大损失，是供电部门要解决的棘手问题。
Stealing electricity tremendous economic losses to the state, which is the hard problem to electricity sector to address.
由于电网谐波污染严重，对谐波的抑制已成为供电部门的重要任务。
Because of the severe pollution of electrical network harmonic, the harmonic restrain has become an important task of power supply bureau.
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