全部 标题 作者
关键词 摘要

OALib Journal期刊
ISSN: 2333-9721
费用:99美元

查看量下载量

相关文章

更多...

基于锁相环和虚拟电网磁链的三相并网逆变器

, PP. 109-114

Keywords: 锁相环,虚拟电网磁链,无电网电压传感器,解耦控制,电流闭环

Full-Text   Cite this paper   Add to My Lib

Abstract:

为了提高三相并网逆变器的可靠性、降低并网逆变器的成本,提出一种基于锁相环和虚拟电网磁链的无电网电压传感器的控制策略。根据三相并网逆变器在同步旋转坐标系下的动态数学模型,采用虚拟的电网磁链矢量定向的矢量控制和d、q轴电流双闭环控制,实现了d、q轴电流的解耦控制,使q轴电流控制有功功率,d轴电流控制无功功率。实验结果表明,三相并网逆变器输出电流正弦度良好,谐波含量小,同时有很好的动、静态特性,从而验证了该方案的可行性和正确性。

References

[1]  伍小杰, 罗悦华, 乔树通, 三相电压型PWM整流器控制技术综述[J]. 电工技术学报, 2005, 20(12): 7-11.
[2]  Ahmed T, Nishida K, Nakaoka M. Advanced control of PWM converter with variable-speed induction generator[J]. IEEE Transactions on Industry Applications, 2006, 42(4): 934-945.
[3]  Lee W C, Hyun D S, Lee T K. A novel control method for three-phase PWM rectifiers using a single current sensor[J]. IEEE Transactions on Power Electronics, 2000, 15(9): 861-870.
[4]  Malinowski M, Kazmierkowski M, Hansen S, et al. Virtual-flux-based direct power control of three-phase PWM rectifiers[J]. IEEE Transactions on Industry Applications, 2001, 37(7): 1019-1026.
[5]  Blasko V, Kaura V. A new mathematical model and control of a three-phase AC-DC voltage source converter[J]. IEEE Transactions on Power Electronics, 1997, 12(1): 116-123.
[6]  Yang Yong, Ruan Yi, Shen Huanqing, et al. Grid- connected inverter for wind power generation system[J]. Journal of Shanghai University, 2009, 13(1): 51-56.
[7]  Hu Jun, Wu Bin. New integration algorithms for estimating motor flux over a wide speed range[J]. IEEE Transactions on Power Electronics, 1998, 13(5): 969-977.
[8]  Carrasco J M, Franquelo L G, Bialasiewicz J T, et al. Power-electronic systems for the grid integration of renewable energy sources: a survey[J]. IEEE Transactions on Industrial Electronics, 2006, 53(4): 1002-1016.
[9]  方宇, 裘迅, 邢岩, 等. 三相高功率因数电压型PWM整流器建模和仿真[J]. 电工技术学报, 2006, 21(10): 44-49.
[10]  Kaura V, Blasko V. Operation of a phase locked loop system under distorted utility conditions[J]. IEEE Transactions on Industry Applications, 1997, 33(1): 58-63.
[11]  Chung Se-Kyo. A phase tracking system for three phase utility interfaceinverters[J]. IEEE Transactions on Power Electronics, 2000, 15(3): 431-438.
[12]  Agirman I, Blasko V. A novel control method of a VSC without AC line voltage sensors[J]. IEEE Transactions on Industry Applications, 2003, 39(2): 519-524.
[13]  Noguchi T, Tomiki H, Kondo S, et al. Direct power control of PWM converter without power-source voltage sensors[J]. IEEE Transactions on Industry Applications, 1998, 34(3): 473-479.
[14]  Kwon B H, Youm J H, Lim J W. A line-voltagesensorless synchronous rectifier[J]. IEEE Transactions on Power Electronics, 1999, 14(9): 966-972.
[15]  Comanescu M, Xu L. An improved flux observer based on PLL frequency estimator for sensorless vector control of induction motors[J]. IEEE Transactions on Industrial Electronics, 2006, 53(1): 50-56.

Full-Text

Contact Us

service@oalib.com

QQ:3279437679

WhatsApp +8615387084133