摘要
无功功率的传输对电力系统稳定性与安全性会产生不利的影响,传统的无功补偿技术已经不能满足要求。为提高无功补偿性能,在分析级联H桥型静止同步补偿器(STATCOM)的工作原理和拓扑结构的基础上,采用跟踪型脉宽调制(PWM)控制技术的电流直接控制方法,研究了级联H桥型STATCOM的稳态和动态的无功补偿作用。通过MATLAB仿真软件分析,仿真结果验证了控制方法的有效性和级联H桥型STATCOM的无功补偿性能。
The transmission of reactive power has negative impacts on stability and security of power system,and traditional reactive power compensation technologies are difficult to meet system requirements.In order to improve the performance of reactive power compensation,the principle and topology of H-Bridge STATCOM were studied.The direct current control method of tracking PWM was used to study the steady state and dynamic state reactive power compensation performance of cascade H-bridge STATCOM.MATLAB simulation results prove the validity of the control method and the performance of cascade H-bridge STATCOM for reactive power compensation.
出处
《电力系统及其自动化学报》
CSCD
北大核心
2011年第1期98-102,共5页
Proceedings of the CSU-EPSA
关键词
级联H桥
静止同步补偿器
电流直接控制
仿真
cascade H-bridge inverter
static synchronous compensator
direct current control
simulation
