Effects of ramp-rate limits on unit commitment and economic dispatch
作者： C. Wang , S.M. Shahidehpour
DOI: 10.1109/59.260859
关键词: Schedule 、 Unit operation 、 Engineering 、 Power system simulation 、 Dynamic programming 、 Mathematical optimization 、 Dynamic dispatch 、 Economic dispatch 、 Electric power system 、 Simulation 、 Job shop scheduling
摘要: The authors propose an algorithm to consider the ramp characteristics in starting up and shutting down generating units as well increasing decreasing power generation. They inclusion of ramping constraints both unit commitment economic dispatch. Since implementing ramp-rate is a dynamic process, programming (DP) proper tool treat this problem. To overcome computational expense which main drawback DP, study initially employs artificial intelligence techniques produce schedule satisfies all system operation except limits. Then, procedure used properties are started shut down. According adjustment, maximum capabilities will change status instead following step function. Finally, dispatch adopted obtain suitable allocation incorporates capability information given by constraints, economical considerations. Two examples presented demonstrate efficiency method. >
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