The principle, main design point and no load voltage ratio calculation method of resin insulation dry-type grounding transformer are introduced.

介绍了树脂绝缘干式接地变压器的工作原理、设计要点及空载电压比的计算方法。

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The method of grounding the neutrals of the transformers affects the degree of protection that can be given them and the amount of insulation they need.

变压器中性点的接地方式会影响到变压器被保护的程度以及变压器所需的绝缘量。

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The optimal protection for bearing current was reached by the insulation of both ends of bearing and grounding of carbon brush of motor shaft.

电机双端轴承绝缘并且电机轴碳刷接地，可构成对轴承电流的最佳防护。

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