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Do-It-Yourself (DIY) Question & Answer Forum
Shared Neutral (not borrowed) 3 phase
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<blockquote data-quote="Sidewinder" data-source="post: 450308" data-attributes="member: 9512"><p>The issue you will have I have brought up before if your memory has not yet failed that badly Tony, is harmonics from the potential loads.</p><p></p><p>This is why 3.5 core cables have gone away, even on the DNO side.</p><p></p><p>Harmonics especially triplen harmonics could seriously overload the N, whilst the vector sum of currents may be 0 if the 3 loads are equal, if they are not then the N current will be somewhere other than 0, once you start injecting harmonics then you open a whole new can of worms!</p></blockquote><p></p>
[QUOTE="Sidewinder, post: 450308, member: 9512"] The issue you will have I have brought up before if your memory has not yet failed that badly Tony, is harmonics from the potential loads. This is why 3.5 core cables have gone away, even on the DNO side. Harmonics especially triplen harmonics could seriously overload the N, whilst the vector sum of currents may be 0 if the 3 loads are equal, if they are not then the N current will be somewhere other than 0, once you start injecting harmonics then you open a whole new can of worms! [/QUOTE]
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