对于大型地网接地电阻测试,无论采用异频法、工频法、还是其他测量方法,都应该全面考虑测试的各个环节,找出各个环节应注意的问题,保证测量数据的准确性.%Nowadays, with the significant growth in the number of large -scale ground grid in China, the large -scale grounding resistance testing of ground grid develops in every aspect continually. It requires higher technology of engineering technical personnel, especially how to ensure the accuracy of the testing data, what has a lot should be concerned.
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