When electric power coupling transformer at input current is less than rated value, public winding can be also overload.
电力自耦变压器在其输入电流均小于额定值时，其公共绕组也可能过负荷。
Whem electric power coupling transformer at input current is less than rated value, public winding can be also overloaded.
电力自耦变压器在其输入电流均小于额定值时，其公共绕组也可能过负荷。
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