以一台DFP1-240MVA/500k V型电力变压器为例,采用电场、磁场和结构场强耦合的方式,进行了短路强度的计算,验证了方法的可靠性。引入国标对产品进行了校验,并比较了不同方案对抗短路机械强度的影响。
Taking DFP1-240MVA/500kV Power transformer as an example, the short-circuit strength is calculated based on strong coupling with electric field, magnetic field and structure field, the reliability of the method is proved, the product is inspected with na- tional standard, and the effect on short-circuit strength of different plans is compared.