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Rural bi-phase power, rotary phase converter
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<blockquote data-quote="StobbHouseMachining" data-source="post: 532721" data-attributes="member: 35499"><p>Hi there, I would be really grateful if someone could offer some advice about breakers and what I am wanting to check a few things about the supply on my farm. I am using an ABB 15Kw motor to make 3 phase from my single phase supply. I am currently running the motor off one 240v phase using a transformer to step up to 415v and starting the motor with a cordless drill for the time being. I am aiming to get the idle motor to start itself with capacitors but i am starting to believe this wont be possible as i am already having to use a D50 breaker to get the motor to idle even after I have span it with the drill. I have built a star delta start circuit and attempted to start the motor with the capacitors but the breaker flips, i believe my only next move up is a D63? But shortly I will be moving to another building that has both phases in. At this point i intend to do away with the transformer and connect the two legs of the motor to each phase to get the voltage i require, is this possible? and also now that i an using two phases I will be using two breakers yes? Meaning that between them I will be able to draw the amount of momentary current to star the motor?</p><p></p><p>I have looked to for relevant information but haven't found anything that pertains to my particular supply type when reading about and planning to build this thing, I will attach some photos of my bad handiwork.</p><p></p><p>any help would be great, thanks.</p></blockquote><p></p>
[QUOTE="StobbHouseMachining, post: 532721, member: 35499"] Hi there, I would be really grateful if someone could offer some advice about breakers and what I am wanting to check a few things about the supply on my farm. I am using an ABB 15Kw motor to make 3 phase from my single phase supply. I am currently running the motor off one 240v phase using a transformer to step up to 415v and starting the motor with a cordless drill for the time being. I am aiming to get the idle motor to start itself with capacitors but i am starting to believe this wont be possible as i am already having to use a D50 breaker to get the motor to idle even after I have span it with the drill. I have built a star delta start circuit and attempted to start the motor with the capacitors but the breaker flips, i believe my only next move up is a D63? But shortly I will be moving to another building that has both phases in. At this point i intend to do away with the transformer and connect the two legs of the motor to each phase to get the voltage i require, is this possible? and also now that i an using two phases I will be using two breakers yes? Meaning that between them I will be able to draw the amount of momentary current to star the motor? I have looked to for relevant information but haven't found anything that pertains to my particular supply type when reading about and planning to build this thing, I will attach some photos of my bad handiwork. any help would be great, thanks. [/QUOTE]
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Rural bi-phase power, rotary phase converter
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