封闭电炉是通过电热丝来加热产生高温度的设备。一般含有低压补偿系统。
阐述了在9MVA封闭电炉上冶炼高硅锰硅合金的实践。
The practice of smelting high silicon ferromanganese silicon in 9MVA closed electric furnace is expounded.
分析了25 MVA封闭电炉压力环频繁烧损的原因，并对其结构进行了改进，使用后效果良好。
The reasons of frequently pressure ring ignition loss are analysed of 25mva electric furnace, and the structure is improved, the applied result is very well.
本文并介绍了工程上的两个应用实例：（1）三相封闭母线外壳涡流。（2）大功率三相电炉引入导线的电流分布。
Two practical applications are described: (1) eddy currents in 3-phase bus enclosures; (2) current distribution among the lead…
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