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.