1.Upper andlowerisolation ụzọ dị 2.Three-phase kewara Ọdịdị na stronginsulation 3.Product modularization, usoro imewe, nwere ike ime ka mmepụta arụmọrụ nke wholemachine. 4.Compact imewe, kwesịrị ekwesị maka obere oghere, oke ebe. 5.Uniform nkesa nke ọkụ eletrik na ala partialdischarge 6. lt adịghị emetụta okpomọkụ na elu.
