摘要
为了解决煤层气抽采中配电网功率因数低、线路损耗大、线路末端电压低等电能质量问题,提出了在配电变压器处进行无功混合补偿的方法。混合补偿装置结合了TSC和ESVG两者的优点,在改善配电网电能质量、释放变压器容量的同时,可控制无功补偿的成本。通过实例应用证明,使用无功混合补偿装置后变压器二次侧的平均功率因数提高至0.98以上,降低了配电网的无功损耗,1号变压器年节电量为3.5×10^(4) kWh,年节电费用为25375元,满足实际应用需求。
In order to solve the power quality problems of low power factor,large power loss,low line terminal voltage in coalbed gas extraction,a method of reactive power hybrid compensation at dis-tribu tion transformer is proposed.The hybrid compensation device combines the advantages of TSC and ESVG,which can control the cost of reactive power compensation while improving the power quality of distri bution network and releasing the transformer capacity.The example application shows that the average power factor of the transformer secondary side can be improved to more than 0.98 after using the reac tive power hybrid compensation.The reactive power losses were reduced.The annual electricity saving of transformer one was 3.5×10^(4) kWh.The annual electricity saving cost was 25375 yuan.It met the needs of practical application.
作者
王斌斌
武伟伟
罗小蕾
WANG Binbin;WU Weiwei;LUO Xiaolei(Henan Feynman Power Technology Co.,Ltd.)
出处
《石油石化节能》
2022年第6期48-52,共5页
Energy Conservation in Petroleum & PetroChemical Industry
关键词
煤层气抽采
功率因数
无功混合补偿
coalbed gas extraction
power factor
reactive power hybrid compensation
