工频炉 meaning in English

line frequency furnace
main frequency furnace

Ddg series low - voltage large - current dry - type transformers special transformers for line frequency furnaces , electro - slag furnaces , resistance furnaces , and salt bath furnaces applications ; small - capacity high - voltage transformers
各种特殊变压器工频炉变压器电渣炉变压器电阻炉变压器盐浴炉变压器小容量高压变压器等
Abstract : this paper analyses principles for power frequency inductive furnace and power factor parallel compensation and three phases balance , deals with processes of power factor compensation and three phases balance for plc automatic power inductive furnace . for saving source and shortening time of smelting and improving electrice net , they will be of great significance
文摘:分析了工频感应炉的工作原理、功率因数并联补偿原理和三相平衡原理.论述了plc自动控制工频炉的功率因数补偿、三相平衡的过程.它对节省能源，缩短熔炼时间，改善电网功率因数有重要意义