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Exported earth
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<blockquote data-quote="steptoe" data-source="post: 4625" data-attributes="member: 7"><p>so Nicky,</p><p></p><p>Im sorry if I have missed something here,</p><p></p><p>but you have had this arrogance about being right with your postings about exporting an earth from a PME system,</p><p></p><p>yet you have failed to come up with any verifiable explanation as to how it would be safe to do so.</p><p></p><p>you have tried to state that under a phase earth fault condition that the cpc will not reach 230v potential,</p><p></p><p>that is just a ridiculous statement.</p><p></p><p>just how do you come about that conclusion?</p><p></p><p>that no prospective fault current capable of giving someone a severe electric shock will flow through an earth rod if you also connect to the MET of a PME system, yet your calcs are all wrong,</p><p></p><p>even though the fault current in PME could be up to 16kA, (DNO figure)</p><p></p><p>I have no idea how you can possibly even still consider making a dual earth system with TNCS and TT</p><p></p><p>or perhaps its the old scenario of a little knowledge is more dangerous than none at all.</p></blockquote><p></p>
[QUOTE="steptoe, post: 4625, member: 7"] so Nicky, Im sorry if I have missed something here, but you have had this arrogance about being right with your postings about exporting an earth from a PME system, yet you have failed to come up with any verifiable explanation as to how it would be safe to do so. you have tried to state that under a phase earth fault condition that the cpc will not reach 230v potential, that is just a ridiculous statement. just how do you come about that conclusion? that no prospective fault current capable of giving someone a severe electric shock will flow through an earth rod if you also connect to the MET of a PME system, yet your calcs are all wrong, even though the fault current in PME could be up to 16kA, (DNO figure) I have no idea how you can possibly even still consider making a dual earth system with TNCS and TT or perhaps its the old scenario of a little knowledge is more dangerous than none at all. [/QUOTE]
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