变压器短路阻抗的精确计算方法探讨  

Discussed More Accurate Calculation Method on Transformer Short-circuit Impedance

作　　者：何东升[1] 林志力[1] 苗本健[1] 

机构地区：[1]国家中低压输配电设备质量监督检验中心,广东东莞523325

出　　处：《电气传动》2014年第5期78-80,共3页Electric Drive

基　　金：华南理工大学广东省绿色能源技术重点实验室科学基金项目;基于风力发电组合式变压器突发短路试验探讨提高抗短路能力(2012003)

摘　　要：介绍了变压器短路阻抗的基本情况,论述了目前变压器短路阻抗计算方法存在的问题和弊端,通过方法溯源和公式推导,提出了更为精准的计算方法和进行了案例分析。此算法对变压器短路阻抗的精确计算和抗短路承受能力试验的短路电流预算具有一定的指导意义,且进一步保证了检测机构试验结果的公正性。The basic situation of transformer short-circuit impedance was introduced, and the problems existing and disadvantages in the short-circuit impedance calculation method was discussed, through the method of traceability and derivation of formulas, a more accurate calculation method was proposed and the case analysis was put up. The algorithm for the precise calculation of transformer short-circuit impedance and resistance to short-circuit withstand test of short-circuit current budget has certain guiding significance, and further to ensure the fairness of testing organizations test results.

关 键 词：变压器 短路阻抗 计算方法 

分 类 号：TM406[电气工程—电器]