5磁双凸极发电机双向励磁调压器的研制.doc

第28卷第26期 104 2008年9月15日 中国电机工程学报 Proceedings of the CSEE V01．28 No．26 Sep．1 5，2008 @2008 Chin．Soc．for Elec．Eng 文章编号：0258．8013(2008)26．0104．07 中图分类号：TM 341 文献标志码：A 学科分类号：470· 40 混合励磁双凸极发电机双向励磁调压器的研制 戴卫力，高翔，陈志辉，严仰光 (航空电源航空科技重点实验室(南京航空航天大学)，江苏省南京市210016) Design and Research of Bidirectional Excitation Voltage Regulator of Doubly Salient Hybrid Excitation Generator DAI Wei— li，GAO Xiang，CHEN Zhi— hui，YAN Yang— guang (Aero-Power Science,-Technology Center(Nanjing University ofAeronautics and Astronautics)，Nanjing 210016，Jiangsu Province，China) ABSTRACT：Doubly salient hybrid excimtion generator 关键词：混合励磁双凸极发电机；并列结构；双向励磁：双 (DSHEG)was introduced．Its structure and mathematical 极性控制；电压调节器 model were built．Based on hybrid excimtion generator,a bidirectional excitation voltage regulator was proposed，which 0引言 could keep output voltage stable by adjusting exciting current． 双凸极永磁电机(doubly salient permanent Three generating ways were introduced．The working principle magnet machine，DSPM)具有结构简单、高效、转 of bipolar control strategy and the parameters of control loop 子无绕组，适合高速运行等优点，却也存在无法改 influence on output voltage were analyzed．Three generating 变磁场强度，发电运行时，需外加有源开关构成功 modes of the DSHEG and its characters were given．A 率变换器以实现稳压和故障时不能灭磁的缺陷¨圳。 bidirectional excitation volmge regulator was built． Theoretical analysis shows that the volmge regulator Can adjust exciting current freely and the conclusion is verified by 电励磁双凸极电机(doubly salient electro— magnetic machine，DSEM)的出现弥补了DSPM的不足：能 experimental results．The generator has good stable and 通过调节励磁电流来稳定输出电压。发电运行时， dynamic characteristics．The regulator Can also be apphed to 只需外加整流桥，省掉了有源器件，提高了可靠性。 other hybrid excitation generators． 但励磁电流的引入使得电机的效率较低15垲J。 KEY WORDS：doubly salient hybdd excimfion generator； parallel structure；bidirectional excitation；bipolar control； 为了结合．卜述2种电机的优势，人们提出了混 合励磁双凸极电机f9J们。混合励磁电机的优点是能 发挥永磁高效与电励磁方便调节磁场的优势，使电 voltage regulator 机在电动运行情况下保持较高效率的同时，扩大调 摘要：介绍了一种并列式结构的混合励磁双凸极发电机 速范围；发电运行时，实现宽转速范围内的稳