【摘要】 为合理选取变压器差动保护整定参数防止误动,分析了双绕组变压器比率制动差动保护制动系数、斜率间的关系,给出了比率制动差动保护判据、整定参数选取方法;并提出了制动系数选取、制动电流选择原则及计算幅值补偿平衡系数时应注意的问题。更多还原

【Abstract】 The relationship between braking coefficient and slope of ratio braking differential protection in double-winding transformer and selection of setting coefficient are discussed in this paper.Principles of current phase adjustment and amplitude balance compensation are also described.In addition,tips in choosing braking coefficient,braking current and amplitude balance compensation are given while using the microcomputer differential protection in transformer.更多还原