【摘要】 基于MATLAB工具建立了励磁调节系统仿真模型并对其进行数学分析 ,利用MATLAB频域分析的功能优化整定了电力系统稳定器 (PSS)的参数。仿真结果证实 ,借助于整定后的PSS ,系统电功率的阶跃和短路故障振荡次数由十几次减小为 3～ 5次 ,并迅速进入稳定状态。故用MATLAB众多的绘图、计算和分析工具整定PSS参数 ,既可减少工作量 ,又可大大降低不安全因素。该法可作为PSS现场整定的依据更多还原

【Abstract】 POWER SYSTEM STABILIZER CAN BE TESTED AND ADJUSTED BY EMULATION TOOLS FOR THE SAFETY REASONS. THIS PAPER BRIEFLY INTRODUCES POWER SYSTEM STABILIZER AND ITS EFFECT ON LOW FREQUENCY OSCILLATION. AN EXCITATION SYSTEM MODEL IS ESTABLISHED BY MATLAB TOOLS, AND THE PSS PARAMETER IS OPTIMIZED WITH FREQUENCY DOMAIN ANALYSIS METHOD. SIMULATION RESULTS SHOW THE TUNING IS EFFECTIVE AND IN REASONS, THE OSCILLATION TIMES OF STEP AND SHORT FAULT REDUCE TO 3～5 TIMES FROM MORE THAN 10 TIMES THROUGH MATLAB TOOLS OPTIMIZATION. SO THIS METHOD CAN BE USED AS A REFERENCE OF POWER SYSTEM STABILIZER LOCAL TUNING.更多还原