Shanghai Electric Appliance co., Ltd. is the production of variable transformers and control devices, isolation transformers, voltage regulator, volta.

电器配件；电力变压器。电动机。电焊机。仪上海华变电器有限公司。

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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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