电力系统保护与控制
電力繫統保護與控製
전력계통보호여공제
POWER SYSTM PROTECTION AND CONTROL
2013年
22期
25-31
,共7页
史丽萍%曹雪祥%赵万云%李震%戴广剑
史麗萍%曹雪祥%趙萬雲%李震%戴廣劍
사려평%조설상%조만운%리진%대엄검
级联H桥%STATCOM%LCL%电感比线性优化%10 kV%6 Mvar
級聯H橋%STATCOM%LCL%電感比線性優化%10 kV%6 Mvar
급련H교%STATCOM%LCL%전감비선성우화%10 kV%6 Mvar
cascaded H-bridge%STATCOM%LCL%induction ratio linear optimization%10 kV%6 Mvar
分析了级联H桥变流器拓扑下STATCOM的LCL滤波数学模型,研究LCL滤波参数对STATCOM系统的稳定性、滤波特性、补偿效果和阻尼损耗的影响,提出一种链式STATCOM输出LCL滤波器电感比线性优化的新方法。在降低系统阻尼损耗的同时,对LCL参数进行优化设计和选择,使得STATCOM系统输出特性满足设计要求。最后,通过搭建电压10 kV、容量6 Mvar链式STATCOM的试验样机,验证了该方法的可行性和优越性。
分析瞭級聯H橋變流器拓撲下STATCOM的LCL濾波數學模型,研究LCL濾波參數對STATCOM繫統的穩定性、濾波特性、補償效果和阻尼損耗的影響,提齣一種鏈式STATCOM輸齣LCL濾波器電感比線性優化的新方法。在降低繫統阻尼損耗的同時,對LCL參數進行優化設計和選擇,使得STATCOM繫統輸齣特性滿足設計要求。最後,通過搭建電壓10 kV、容量6 Mvar鏈式STATCOM的試驗樣機,驗證瞭該方法的可行性和優越性。
분석료급련H교변류기탁복하STATCOM적LCL려파수학모형,연구LCL려파삼수대STATCOM계통적은정성、려파특성、보상효과화조니손모적영향,제출일충련식STATCOM수출LCL려파기전감비선성우화적신방법。재강저계통조니손모적동시,대LCL삼수진행우화설계화선택,사득STATCOM계통수출특성만족설계요구。최후,통과탑건전압10 kV、용량6 Mvar련식STATCOM적시험양궤,험증료해방법적가행성화우월성。
This paper analyzes the LCL filter mathematical model of STATCOM under the topology of cascaded H-bridge inverter. The impacts of LCL filter parameters on the stability of STATCOM, filter characteristics, compensation effect and power losses of damping resistor are studied. A new method of linear optimization about induction ratio is proposed. While reducing power losses of damping resistor, LCL parameters are precisely designed to make STATCOM system output characteristics meet the design requirements. Finally, through building cascaded STATCOM (10 kV, 6 MVar) experimental prototype, the feasibility and advantage of this method are confirmed.