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Low Earth Orbit
Lighting & Electrical
Norwegian power - help transforming to 110v
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<blockquote data-quote="Sigurd A. Hagen" data-source="post: 219067" data-attributes="member: 17711"><p>I am a 3rd year Automation tech. So allow me to clarify.</p><p></p><p>In Norway 3 phase IT (Isolee Terre) was traditionally preffered due to its reliability in our long country with harsch conditions. Even though TN is now supplied in new devlopments IT still is in 75% of all residential buildings.</p><p></p><p>Our IT network is supplied at 230 volts with Delta 3 phase with no center tap and no ground, this makes our grounding system "floating", But due to capacitance we get some voltage between L and PE usually around 120-130 volts</p></blockquote><p></p>
[QUOTE="Sigurd A. Hagen, post: 219067, member: 17711"] I am a 3rd year Automation tech. So allow me to clarify. In Norway 3 phase IT (Isolee Terre) was traditionally preffered due to its reliability in our long country with harsch conditions. Even though TN is now supplied in new devlopments IT still is in 75% of all residential buildings. Our IT network is supplied at 230 volts with Delta 3 phase with no center tap and no ground, this makes our grounding system "floating", But due to capacitance we get some voltage between L and PE usually around 120-130 volts [/QUOTE]
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