The optimal design of large transformers with combinatorial optimization and with the reactancevoltage drop as the constraint is described.
本文运用组合优化方法进行大型变压器的优化设计，提出了电抗约束判别条件。
2
A calculation method of deriving the reactancevoltage of multi-oil ducts cylindric winding is introduced by using relative magnetic leakage method. And the calculation examples are given here.
介绍了一种用相对漏磁法推导几种多油道圆筒式绕组的电抗电压的计算方法，并给出了计算实例。
3
Through deduction and analysis, the conclusion can be made: low reactance at the neutral point of transformer has little effect on the switching over-voltage in power systems.