Wenqing ZhaoYongli ZhuPower Transformer Fault Diagnosis Based on Rough Set Theory and Support Vector Machine.389-3932007FSKD (4)https://doi.org/10.1109/FSKD.2007.451https://doi.ieeecomputersociety.org/10.1109/FSKD.2007.451conf/fskd/2007-4db/conf/fskd/fskd2007-4.html#ZhaoZ07a