【作者】 杨少军； 侯博渊；

【Author】 Yang Shaojun (Leading Group Office of Electronics TechnologyDevelopment and Application, Shandong Province) Hou Boyuan (Shandong Polytechnic University) This paper presents a novel approach to the load-frequency control of multi-area interconnected electric power systems using variable structure theory. The proposed method selects two kinds of different switching hyperplanes on the basis of forms of interrelated terms. One is aj= CjXj + Cti∫t-∞Xudt. Another is aj= CjXj + CtjXtj. Thereby the global sliding mode of interconneccted systems is developed. Simultaneously the pole placement technique can be used for the global sliding mode to determine switching hyperplanc parameters of each subsystem, and the decentralized variable structure control laws are inferred. The results of digital simulation for multi-area electric power systems including constraints of generation rate and governor dead-line show the proposed decentralized variable structure control strategy is quite effective.

【机构】 山东省电子技术开发应用领导小组办公室； 山东工业大学；