某型无刷直流发电机过压保护断电问题研究  

Study on Power Failure of the Over-voltage Protection on a Brushless DC Generator

作　　者：郝世勇 战祥新 HAO Shiyong;ZHAN Xiangxin(Naval Aeronautical University Qingdao Branch,Qingdao 266041,China)

机构地区：[1]海军航空大学青岛校区,山东青岛266041

出　　处：《仪表技术》2021年第2期51-54,共4页Instrumentation Technology

摘　　要：永磁无刷直流发电机是应用于航空电源系统领域的一种新型发电设备,其供电可靠性直接影响着飞机的用电安全。为研究由无刷直流发电机供电的航空直流电源系统过压保护问题,通过一起飞机直流发电系统过压故障现象着手,分析了无刷直流发电机的结构、工作原理,对发电机的励磁定子线圈短路进行了仿真研究,提出了发电机制作工艺的改进措施。Permanent magnet brushless DC generator is a new type of power generation equipment used in aviation power supply field, and the reliability of power supply directly determines the electrical safety of aircraft. To study the over-voltage protection of aviation DC power supply system powered by brushless DC generator, the structure and working principle of brushless DC generator is analyzed by taking the over-voltage protection fault of the aircraft DC power system as an example, then the short circuit of excitation stator coil of the generator is simulated and the improvement measures of the generator′s manufacturing technology are proposed.

关 键 词：无刷直流发电机 过压保护 仿真 

分 类 号：TM331[电气工程—电机]