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According to electrical basic design of one industrial plant, contractor shall supply suitable grounding transformer with an additional NGR in its neutral connection for limitation of ground fault current system to 400 A.
According to electrical basic design of one industrial plant, contractor shall supply suitable grounding transformer with an additional NGR in its neutral connection for limitation of ground fault current system to 400 A. He decided to observe a standard bid. After receiving of different proposal, he note one of vendors have submitted oemission of grounding resistor. He clam his earthing transformers can limit ground fault current to 400 A without applying any NGR in its neutral point (without any overcharge).What is your opinion? Whether electrical system contractor can assent manufacturer proposal?
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