电工技术学报
電工技術學報
전공기술학보
TRANSACTIONS OF CHINA ELECTROTECHNICAL SOCIETY
2014年
2期
247-252
,共6页
王奎%郑泽东%李永东%冯江华%刘可安
王奎%鄭澤東%李永東%馮江華%劉可安
왕규%정택동%리영동%풍강화%류가안
五电平有源中点钳位%多电平变换器%双PWM%矢量控制
五電平有源中點鉗位%多電平變換器%雙PWM%矢量控製
오전평유원중점겸위%다전평변환기%쌍PWM%시량공제
Five-level neutral-point clamped%multilevel converter%dual-PWM%vector control
一种基于五电平有源中点钳位型(ANPC)双PWM变换器的异步电机矢量控制系统,其整流侧和逆变侧变换器分别采用五电平 ANPC拓扑背靠背连接,可实现网侧单位功率因数输入和异步电机的四象限运行。整流侧采用电网电压定向矢量控制实现有功功率和无功功率的解耦控制。逆变侧采用转子磁场定向矢量控制实现异步电机的高性能变频调速。设计并制作了一台380 V/10 kW的样机,实验结果表明该样机运行稳定,控制算法正确可靠。
一種基于五電平有源中點鉗位型(ANPC)雙PWM變換器的異步電機矢量控製繫統,其整流側和逆變側變換器分彆採用五電平 ANPC拓撲揹靠揹連接,可實現網側單位功率因數輸入和異步電機的四象限運行。整流側採用電網電壓定嚮矢量控製實現有功功率和無功功率的解耦控製。逆變側採用轉子磁場定嚮矢量控製實現異步電機的高性能變頻調速。設計併製作瞭一檯380 V/10 kW的樣機,實驗結果錶明該樣機運行穩定,控製算法正確可靠。
일충기우오전평유원중점겸위형(ANPC)쌍PWM변환기적이보전궤시량공제계통,기정류측화역변측변환기분별채용오전평 ANPC탁복배고배련접,가실현망측단위공솔인수수입화이보전궤적사상한운행。정류측채용전망전압정향시량공제실현유공공솔화무공공솔적해우공제。역변측채용전자자장정향시량공제실현이보전궤적고성능변빈조속。설계병제작료일태380 V/10 kW적양궤,실험결과표명해양궤운행은정,공제산법정학가고。
A vector control system for induction motors based on five-level active neutral-point clamped (ANPC) dual-PWM converter is presented in this paper. The rectifier and inverter are two five-level ANPC converter connected back-to-back, which can allow unit power factor of input current and four-quadrant operation of induction motors. Grid voltage oriented vector control is used to control the rectifier and decouple the active power and reactive power. Rotor flux oriented vector control is used in the inverter to adjust the speed of induction motors precisely. A 380V/10kW prototype is build and experimental results indicate that the prototype operates stably and the control system is correct and reliable.