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Tech Head - The Technology Section
The Work Bench and Soldering Station
Three Phase generator designs ?
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<blockquote data-quote="tapfit2004" data-source="post: 379869" data-attributes="member: 189049"><p>from the info above it looks like a 2 phase unit. the cables supplying it would have to be at least 10 square mm to run it directly from a single phase 220/230v supply at the highest output setting but if you had access to a 380/400v supply (voltage between 2 phases on a 3 phase supply) you could probaly get away with a 6 sq cable which is far easier to connect and work with. if you were only to use it on its lowest setting (160a output) you could use it off your mains supply in your house with 6sq cable and a 32/40a motor rated circuit breaker (just dont use an electric shower at the same time) or a 3 phase generator with a 400v 30a output would also do (4sq cable would do for this supply) but if you want to use it on the highest setting (250a) the welder would use most of the available current in your house and wouldn't really be practical. a 3 phase gene supplying 40 plus amps won't be cheap and this would be the min you would need to run it at full power but as sst12 said you will probably get as good as you need at 160a output. its no harm to put an isolating switch or an emergency stop switch on the supply if you are planning on using it directly from the mains. i have used mig's and they give way cleaner welds than arc welders and have been run directly form mains supplys. hope this helps.</p></blockquote><p></p>
[QUOTE="tapfit2004, post: 379869, member: 189049"] from the info above it looks like a 2 phase unit. the cables supplying it would have to be at least 10 square mm to run it directly from a single phase 220/230v supply at the highest output setting but if you had access to a 380/400v supply (voltage between 2 phases on a 3 phase supply) you could probaly get away with a 6 sq cable which is far easier to connect and work with. if you were only to use it on its lowest setting (160a output) you could use it off your mains supply in your house with 6sq cable and a 32/40a motor rated circuit breaker (just dont use an electric shower at the same time) or a 3 phase generator with a 400v 30a output would also do (4sq cable would do for this supply) but if you want to use it on the highest setting (250a) the welder would use most of the available current in your house and wouldn't really be practical. a 3 phase gene supplying 40 plus amps won't be cheap and this would be the min you would need to run it at full power but as sst12 said you will probably get as good as you need at 160a output. its no harm to put an isolating switch or an emergency stop switch on the supply if you are planning on using it directly from the mains. i have used mig's and they give way cleaner welds than arc welders and have been run directly form mains supplys. hope this helps. [/QUOTE]
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Three Phase generator designs ?
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