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电网电压不平衡下直接功率矢量控制 被引量：2

Direct Power Control System Under Unbalanced Grid Voltage
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摘要 基于三电平PWM整流器的数学模型,结合瞬时功率理论得到了三电平PWM整流器的功率数学模型。通过对电网电压不平衡时整流器进行分析得到了功率表达式。根据功率数学模型提出了用于电网电压不平衡抑制交流侧三相电流负序分量的DPC-SVM控制策略。仿真和实验结果表明,此处提出的控制策略能有效抑制交流侧负序电流。 The power mathematical model of the three-level PWM rectifier is constructed based on its mathematical model and instantaneous power theory.According to analyzing the rectifier under unbalanced grid voltage ,the power expression is obtained.This model also provides the DPC-SVM control strategy to restrain the negative sequence com- ponents of the three-phase current on AC side under unbalanced grid voltage.The simulation and experiment findings suggest the proposed control strategy can effectively restrain the negative sequence components on AC side.
作者 王辉 赵张飞 郭蓓蕾
机构地区 三峡大学 河南城建学院
出处 《电力电子技术》 CSCD 北大核心 2012年第8期66-67,96,共3页 Power Electronics
关键词 整流器 电网电压不平衡 矢量控制 rectiiier grid voltage unbalanced vector control
分类号 TM461 [电气工程—电器]
  • 相关文献

参考文献2

  • 1Wei Chen, Yunping Zou, Lijuan Xu.Direct Power Control for Neutral-point-clamped Three-level PWM Rectifier Industrial Technology[A].ICIT 2008.IEEE International Conference[C].2008 : 1-6.
  • 2Yongsug Suh, Tijeras, V, Lipo T A.A Nonlinear Control of the Instantaneous Power in dq Synchronous Frame for PWM AC/DC Converter Under Generalized Unbalanced Operating Conditions[A].37th IAS Annum Meeting[C]. 2002 : 1189-1196.

同被引文献23

  • 1张兴,季建强,张崇巍,丁明.基于内模控制的三相电压型PWM整流器不平衡控制策略研究[J].中国电机工程学报,2005,25(13):51-56. 被引量：99
  • 2Bimal K bose. Modem power electronics and AC drives[M]. BeiJing: China Machina Press, 2005: 156-196(in Chinese).
  • 3IEEE. Standard 519-1992 IEEE recommended practices and requirements for harmonic control in electrical power systems[S]. New York: IEEE, 1993.
  • 4Xu H, Hu J, He Y. Integrated modeling and enhanced control of DFIG under unbalanced and distorted grid voltage conditions[J]. IEEE Transaction on Energy Conversion, 2012, 27(3): 725-736.
  • 5Song H, Nam K. Dual current control scheme for PWM converter under unbalanced input voltage conditions[J]. Transactions on Industrial Electronics, 1999, 46(5): 953-959.
  • 6Shen G, Zhu X, Zhang J, et al. A new feedback method for PR current control of LCL-filter-based grid-connected inverter[J]. IEEE Transactions on Industrial Electronics, 2010, 57(6): 2033-2041.
  • 7Chen D, Zhang J, Qian Z. An improved repetitive control scheme for grid-connected inverter with frequency-adaptive capability[J] . Transactions on Industrial Electronics, 2013, 60(2): 814-823.
  • 8Shang L, Sun D, Hu J. Sliding-mode-based direct power control of grid-connected voltage-sourced inverters under unbalanced network conditions[J]. IET Power Electron., 2011, 4(5): 570-579.
  • 9Shang L, Hu J. Sliding-mode-based direct power control of grid-connected wind-turbine-driven doubly fed induction generators trader unbalanced grid voltage conditions[J]. IEEE Transaction on Energy Conversion, 2012, 27(2): 362-373.
  • 10Martinez M, Gerardo T, Ana S, et al. Sliding-mode control for DFIG rotor-and grid-side converters under unbalanced and harmonically distorted grid voltage[J]. IEEE Transaction on Energy Conversion, 2012, 27(2): 328-339.

引证文献2

二级引证文献46

电力电子技术
2012年 第8期

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