CAJ | 학술논문

广域电力系统稳定器(PSS)阻尼控制是抑制电力系统区间低频振荡最直接有效的方法。文中综述了国内外的相关研究成果，针对广域 PSS 控制系统的各个环节进行了深入探讨，包括系统分析建模、反馈信号和控制点的选择、时滞及其稳定性分析、控制器设计等。文中指出非线性分析及建模，尤其是基于量测的Prony分析法更适用于复杂的电力系统；在广域反馈信号选择方面，主模比指标法较为合理，但在工程应用中还要依据实际情况考虑；特征根法及其优化算法可以快速对复杂电力系统的时滞稳定域进行求解，在时滞处理方面，时滞补偿法较时滞不敏感鲁棒控制更易实现且效果较佳；此外，在线自适应参数控制由于可以适应和跟踪系统的变化，较离线设计效果更佳。针对复杂电力系统的广域PSS研究中所面临的研究课题进行了展望，并指出了未来广域PSS工程应用中面临的一些问题，如算法实时性、系统投切时机选择、防误逻辑等。
엄역전력계통은정기(PSS)조니공제시억제전력계통구간저빈진탕최직접유효적방법。문중종술료국내외적상관연구성과，침대엄역 PSS 공제계통적각개배절진행료심입탐토，포괄계통분석건모、반궤신호화공제점적선택、시체급기은정성분석、공제기설계등。문중지출비선성분석급건모，우기시기우량측적Prony분석법경괄용우복잡적전력계통；재엄역반궤신호선택방면，주모비지표법교위합리，단재공정응용중환요의거실제정황고필；특정근법급기우화산법가이쾌속대복잡전력계통적시체은정역진행구해，재시체처리방면，시체보상법교시체불민감로봉공제경역실현차효과교가；차외，재선자괄응삼수공제유우가이괄응화근종계통적변화，교리선설계효과경가。침대복잡전력계통적엄역PSS연구중소면림적연구과제진행료전망，병지출료미래엄역PSS공정응용중면림적일사문제，여산법실시성、계통투절시궤선택、방오라집등。
The wide-area power system stabilizers (PSSs) control system based on wide-area measurement system (WAMS) is the most effective measure to solve the problem of inter-area oscillation.Its system architecture,input signals,selection of the position to perform the control,time delay and robustness of the control system,designing of the controller are deeply studied. It is pointed out that the analysis and modeling using nonlinear methods,especially Prony analysis,are suitable for complex power systems.The method of dominant mode ratio is adapted to the selection of the remote feedback signal,but the actual situation of the proj ect must be considered.The eigen value method and its optimization algorithm can solve the delay stability domain of complex power systems.For delay treatment,time delay compensation methods are more easily achieved than that of delay insensitive robust control and the effect is better.Online adaptive parameter control can work better than that of off-line design because it can track changes of system.The hot points of future research have finally been described.Some problems confronted in actual application have been analyzed,such as real-time performance of algorithms,decision of system switching,mistake proofing logic,etc.