| The development of a visual short circuit software under PTCAD2000 is presented in this paper, as well as the system structure, the definition of the data structure, the interface to PTCAD2000, the conversion of the original wiring diagram of power network to calculable power network, the implement of three sequence network, the implement of impendence matrix and admittance matrix of power network considering the zero sequence mutual inductances among lines, and the implement of short circuit calculation by using computer. A short circuit calculation software has been developed by setting up visual mathematic model of power network, providing the criterion of the choosing of the equipments under high-handed electricity power transmission and distribution for PTCAD2000. |
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