微型燃气轮机发电系统启动过程控制  

Start Process Control Techniques for the Microturbine Generation System

作　　者：赵克[1] 耿加民 汪之文[1] 孙力[1] 

机构地区：[1]哈尔滨工业大学电气工程及自动化学院,哈尔滨150001 [2]哈尔滨东安发动机集团公司,哈尔滨150001

出　　处：《电工技术学报》2009年第2期48-53,共6页Transactions of China Electrotechnical Society

基　　金：国家863计划资助项目(2002AA503020)

摘　　要：提出了微型燃气轮机发电系统启动过程实现最大转矩电流比(MTPA)的直接转矩控制(DTC)方案。在转矩闭环控制中,解决了电机高速运行状态下功率角的位置准确计算问题;利用霍尔位置传感器解决了高速永磁电机起动时初始位置检测问题,提出相应电机起动的空间矢量合理选择方法;为了更有效提高磁链的观测精度,对独立限幅积分器和耦合限幅积分器的观测性能进行了对比。结合升速和暖机状态的电机磁链和转矩的实际要求,设计供电效率最优启动方案。仿真和实验结果证明,系统具有良好的动静态性能,保证蓄电池有限能量情况下一次快速可靠启动。The paper suggests the direct torque control（DTC） strategy for the high speed permanent magnet motor with maximum torque current ratio strategy （MTPA）. In the loop of torque control, power angle exact calculation can be realized at high speed. In order to solve the problem of initial rotor position and logical space vector choice, this paper proposes the method of Hall sensor. At the same time, separated and coupling limit-amplitude integrator are compared for improving the estimate precision of the flux. Combining the control requirement of flux and torque of motor at the state of speedup and warm-machine, the optimal efficiency startup program is designed. The simulation and test results show that the system with this control strategy possesses good dynamic and static performance and ensures its one-time fast startup at the limited battery energy circumstance.

关 键 词：微型燃气轮机发电系统 耦合磁链观测器 DTC MTPA 

分 类 号：TM624[电气工程—电力系统及自动化]