电源学报
電源學報
전원학보
Journal of power supply
2015年
5期
122-127
,共6页
郁伉%李瑜%齐东流
鬱伉%李瑜%齊東流
욱항%리유%제동류
静止同步补偿器DSTATCOM%瞬时无功%无功电流%负序电流
靜止同步補償器DSTATCOM%瞬時無功%無功電流%負序電流
정지동보보상기DSTATCOM%순시무공%무공전류%부서전류
distribution static synchronous compensator (DSTATCOM)%instantaneous reactive power%reactive power current%negative sequence current
汽车焊装车间主要负荷为悬挂式点焊机,由两相线电压供电,是典型的大冲击性负荷,会导致焊装车间存在严重三相不平衡及大量谐波电流。在焊装车间电能质量问题进行检测评估基础上,采用Y型低压DSTATCOM进行无功及负序电流补偿,给出了主要控制策略,很好地解决了电能质量问题。仿真及实验结果表明,设计装置可以很好地补偿系统功率因数。
汽車銲裝車間主要負荷為懸掛式點銲機,由兩相線電壓供電,是典型的大遲擊性負荷,會導緻銲裝車間存在嚴重三相不平衡及大量諧波電流。在銲裝車間電能質量問題進行檢測評估基礎上,採用Y型低壓DSTATCOM進行無功及負序電流補償,給齣瞭主要控製策略,很好地解決瞭電能質量問題。倣真及實驗結果錶明,設計裝置可以很好地補償繫統功率因數。
기차한장차간주요부하위현괘식점한궤,유량상선전압공전,시전형적대충격성부하,회도치한장차간존재엄중삼상불평형급대량해파전류。재한장차간전능질량문제진행검측평고기출상,채용Y형저압DSTATCOM진행무공급부서전류보상,급출료주요공제책략,흔호지해결료전능질량문제。방진급실험결과표명,설계장치가이흔호지보상계통공솔인수。
Suspending spot welding machine is a typical large impact load powered by two phase voltage in Auto welding workshop, which generates severe unbalanced three-phase current. Reactive power and negative sequence current are compensated by Y-connected distribution static synchronous compensator (DSTATCOM) based on evaluated power quality in welding workshop, and the main control strategy is also given which solves power quality problems. The simulation and experiment results show that the designed device can compensate the power factor of the system.