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Do-It-Yourself (DIY) Question & Answer Forum
what type of earthing system is this?
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<blockquote data-quote="steptoe" data-source="post: 25969" data-attributes="member: 7"><p>550kA ? or 0.550kA ?</p><p></p><p>what is that across? L N or L E ?</p><p></p><p>also can you do a loop test across L N too, give the ohm rating to centre point this way too, then can compare the PFC LN &amp; LE and relate it to the centre point differential in ohms between Ln &amp; LE.</p><p></p><p>thanks, sorry if it sounds a bit long winded but it does make a difference as to where your readings relate to at the transformer, ie, centre point or seperate Earth away from centre point.</p><p></p><p>(before you all start, I know centre point is Earth but in the interests of simplicity its easier to explain earth on TNS as being away(seperate) from centre point)</p></blockquote><p></p>
[QUOTE="steptoe, post: 25969, member: 7"] 550kA ? or 0.550kA ? what is that across? L N or L E ? also can you do a loop test across L N too, give the ohm rating to centre point this way too, then can compare the PFC LN & LE and relate it to the centre point differential in ohms between Ln & LE. thanks, sorry if it sounds a bit long winded but it does make a difference as to where your readings relate to at the transformer, ie, centre point or seperate Earth away from centre point. (before you all start, I know centre point is Earth but in the interests of simplicity its easier to explain earth on TNS as being away(seperate) from centre point) [/QUOTE]
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what type of earthing system is this?
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