中间窗孔供三相电缆穿过。
本型零序电流互感器为全封闭式。二次绕组及铁芯均浇注在聚脂树脂内。中间窗孔供三相电缆穿过。
The zero sequence current transformer is full enclosed type. The secondary windings and iron core are insulated by epoxy resin. The middle hole is used for cable going through.
为确定三相充气管道电缆的尺寸，本文提出利用最大场强的简化计算方法来取代繁复的数值计算。
Instead of the time consuming numerical computation, a simplified calculation of the maximum field strength is presented for the purpose of dimensioning the three-phase gas insulated cable.
在继2003年完成10米三相高温超导电缆之后，我们于2004年年底成功完成了75米高温超导电缆的组装、调试和通电试运行。
After the completion of 10-m HTS power cable in 2003, the building, commissioning and electrical test of 75-m HTS power cable have been finished in the end of 2004.
在继2003年完成10米三相高温超导电缆之后，我们于2004年年底成功完成了75米高温超导电缆的组装、调试和通电试运行。
After the completion of 10-m HTS power cable in 2003, the building, commissioning and electrical test of 75-m HTS power cable have been finished in the end of 2004.
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