in transformer which grade oil will use?
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Answer / ramgopal gupta
pentaerythritol tetra fatty acid (C7, C8) esters
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In a 3 phase system a neutral exists so that any unbalanced currents can flow through it towards earth.... but a phase demands a particular current as per the load attached to it....then where does the extra current come from the goes in the neutral??....I mean in an unbalanced system a phase demands a current as per its load attached....then where does the unbalanced current come from??
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