For the parallel inverter system without output isolation transformers, the difference of DC components of the output voltage can cause large DC loop-current among modular inverters.

对于无输出隔离变压器的逆变器并联系统，各模块输出电压直流分量不一致会在模块间产生较大的直流环流。

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There are circuit breaker handcart, voltage transformer handcart, voltage transformer arrester handcart, all transformers handcart, isolation and earthing trolley hand trolley.

手车有断路器手车、电压互感器手车、电压互感器避雷器手车、所有变压器手车、隔离手车及接地手车七种。

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It can be used for interlayer isolation of gas or oil insulation system, especially interlayer insulation and turn-to-turn insulation of sulfur hexafluoride mutual inductors and transformers.

可在气体或油的绝缘系统内作层间绝缘。主要用于六氟化硫互感器和变压器的层间绝缘及匝间绝缘。

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