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Do-It-Yourself (DIY) Question & Answer Forum
Backup Generator connection
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<blockquote data-quote="nicebutdim" data-source="post: 560861" data-attributes="member: 38404"><p>Realistically the most important reference here <em>should</em> be manufacturer's instructions as they <em>should</em> tell you how the generator is wired internally. I emphasise 'should' as in reality those instructions will likely be useless, but it's still important to have someone figure this out to determine exactly what can be achieved and how the generator should be earthed.</p><p></p><p>From your description I'm guessing it uses a centre tapped earth, which would give you 230V between lines and 115V between either line and earth.</p><p></p><p>If the above is correct, I'd forget about the set up you propose, with the two lines wired seperately to three phases and most certainly would not recommend omitting RCD protection. Without more information I don't think anyone here is going to be able to provide empirical answers to your questions, so we'd either need much more information or, more likely, you need someone on site who really knows their onions. Picking a random spark form the yellow pages wouldn't be an ideal way of getting you up and running with a reliable temporary supply.</p></blockquote><p></p>
[QUOTE="nicebutdim, post: 560861, member: 38404"] Realistically the most important reference here [I]should[/I] be manufacturer's instructions as they [I]should[/I] tell you how the generator is wired internally. I emphasise 'should' as in reality those instructions will likely be useless, but it's still important to have someone figure this out to determine exactly what can be achieved and how the generator should be earthed. From your description I'm guessing it uses a centre tapped earth, which would give you 230V between lines and 115V between either line and earth. If the above is correct, I'd forget about the set up you propose, with the two lines wired seperately to three phases and most certainly would not recommend omitting RCD protection. Without more information I don't think anyone here is going to be able to provide empirical answers to your questions, so we'd either need much more information or, more likely, you need someone on site who really knows their onions. Picking a random spark form the yellow pages wouldn't be an ideal way of getting you up and running with a reliable temporary supply. [/QUOTE]
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Backup Generator connection
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