基于Visio图形化的继电保护整定计算软件的研究与开发-电力电子与电力传动专业论文.docxVIP

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基于Visio图形化的继电保护整定计算软件的研究与开发-电力电子与电力传动专业论文.docx

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基于Visio图形化的继电保护整定计算软件的研究与开发-电力电子与电力传动专业论文

AbstractWith Abstract With the power network scale enlarging rapidly,the number ofprotection device is increasing,end the quality of protective device is improving，the management of protection rclay becom嚣more and more heavy and complex，which is a challenge for the tradition method of the protection relay management．In recent years，the problem that the software for power system calculating and computing has been solved．Many protective relay coordination soft-ware came into u∞，which have improved the level for the托lay protection．However，these softwarea are no longer meet the need of todays power system operation，they are insufficient，舔their function is simple，the interface i8 not user-fiiendly and invisible．and the data management is inconvenient． As a result，it is falling into disuse in power systems． Based on the situation of protective device e．oordination soft-ware，this paper studies the reactive on 35kV power system．and utilize MicrosoftⅥsiO 2003 the secondary development research that results ofpower system software．Main works as following： (1)Set up platform ofthe graph，design the basic model ofelectric component and the object-oriented component data structure，the software has realized graphic editing function，it can draw lots of components used in electrical calculating,including electrical generating station，substation of power system，power transformer， transmission line，busbar，switch，and kinds ofprotection． (2)Company丽tlI the reactive of 35kV power system，compiling short-circuit current module，and it can label the result of calculating in graph．which can combine 谢th the result ofcalculation and Excel． (3)111is software can discern the connection between this component and that component in the electrical connect graph，and can take Oll the automatic serial number to component，which can result the topological structure of the electrical network automatically． (4)11lis software can carry out longitudinal differential protection and overcurrent protection and