System and method for determining short-circuit current of substation system

• Main Authors: LIU ZIQIU, ZHANG KAI, LI FEIKE
• Format: Patent
• Language: Chinese; English
• Published: 22.01.2019
• Subjects: MEASURING; MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES; PHYSICS; TESTING

The invention discloses a system for determining a short-circuit current of a substation system. The system comprises an initial electric parameter providing module, a data pre-processing module, a matrix calculation module, an error coefficient calculation module and a result export module, wherein the initial electric parameter providing module is used for providing an initial electric parameterof the substation system, the data pre-processing module is used for pre-processing the initial electric parameter and calculating a standard reduced value, the matrix calculation module is used forperforming matrixing the standard reduced value so as to obtain admittance matrix, the error coefficient calculation module is used for calculating a voltage coefficient of the substation system and calculating the short-circuit current by combining the admittance matrix, the result export module is used for exporting a calculation result of the short-circuit, and the calculation result is visually displayed. The invention