摘要
考虑了两侧逆变器的脉宽和相角的控制输入，以五阶非线性微分方程组来描述UPFC的动态过程，提出利用串联测输出电压的横分量和纵分量以及并联侧输出电流的横分量和纵分量来分别控制线路有功、线路无功、节点电压和直流侧电容电压，设计了UPFC的反馈控制系统。较全面地仿真了UPFC在系统故障过程中的暂态特性以及UPFC的功率控制和电压调节的性能，分析了UPFC直流侧电容量、变压器电抗值以及UPFC的控制参数对电力系统稳定性的影响。
Considering the control inputs of pulse width and phase angle of inverters on both sides. the five-order differentialequation set is proposed to describe dynamic behavior of UPFC. The feedback control system of UPFC is designed by usinghorizontal and vertical components of the output voltage on series side and output current on shunt side to respectively controlactive and reactive power through line. bus voltage and DC side capacitance voltage. The transient characteristics. capabilityof voltage regulation and power control are simulated. The influence of co side capacitance value, transformer reactance andcontroller parameters on power system stability is analyzed.
出处
《电力系统自动化》
EI
CSCD
北大核心
1999年第6期36-41,共6页
Automation of Electric Power Systems
