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3 phase electric #472086
13th Feb 2011 12:22am
13th Feb 2011 12:22am
Joined: Feb 2009
Posts: 1,952
tranmere
chris_gilly Offline OP

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chris_gilly  Offline OP

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tranmere
hi all,

im looking at getting a 2 poster ramp very very soon, however its 3 phase, i dont have 3 phase in my garage only mains, how could i convert my mains into 3 phase? oor convert the ramp?

havent a clue when it comes to this?

ta

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Re: 3 phase electric [Re: chris_gilly] #472093
13th Feb 2011 1:16am
13th Feb 2011 1:16am
Joined: Dec 2010
Posts: 1,236
my house
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mrhanky Offline
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get a phase converter or change the motor.
could be cheaper to change the motor unless you get a used converter.

Re: 3 phase electric [Re: mrhanky] #472137
13th Feb 2011 10:34am
13th Feb 2011 10:34am
Joined: Oct 2007
Posts: 4,868
shropshire
chriskay Offline
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chriskay  Offline
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shropshire
I thought all commercial premises had 3 phase available, if not actually connected. Ask your electricity supplier.


Carpe diem.
Re: 3 phase electric [Re: chris_gilly] #472144
13th Feb 2011 10:53am
13th Feb 2011 10:53am
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tranmere
chris_gilly Offline OP

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nope, i defo have no 3 phase, i was starting to think about getting a converter, but wouldnt know what one to go for frown

Re: 3 phase electric [Re: chris_gilly] #472152
13th Feb 2011 11:04am
13th Feb 2011 11:04am
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Wallasey Village
Snodvan Offline

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Once upon a time a friend of mine needed 3 phase in his workshop that was adjacent to his house. What he found was that the neighbours each side were also single phase but each was on a different phase of the same supply. Don't ask how he found that out - way beyond my understanding - but he was obviously correct. What he did was persuade each of his neighbours to let him tap into their mains electric through a meter so he could pay them (gernerously) for the electric he had used.

It worked. Big Pete (as we knew him) had 3-phase in his workshop for years

Snod


5 Precepts of Buddhism seem appropriate. Refrain from taking life. Refrain from taking that which is not given. Refrain from misconduct. Refrain from lying. Refrain from intoxicants which lead to loss of mindfulness
Re: 3 phase electric [Re: chris_gilly] #472164
13th Feb 2011 11:25am
13th Feb 2011 11:25am

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Yes Snod. It "could" be done, but a bit iffy. Finding out who is on what phase in an urban environment (underground cable as opposed to easy-to-trace overhead) could be fun. Sometimes during a power cut, it's a transformer fault and only one phase goes tits up. That's why some folks in the same road have juice and others don't. They try to balance the phases equally. Adjacent houses with one on and one off would be the pointer.

Getting the leccy board to convert a workshop(?) from single to 3 phase would cost the poor sap on the wrong end of the meter megabucks !

A 3 phase converter (of the right capacity) won't be cheap either. A few years ago I wanted one that would handle (briefly) up to 6kw. The prices were a joke !! I went back to sleep pronto!

Re: 3 phase electric [Re: chriskay] #472183
13th Feb 2011 11:56am
13th Feb 2011 11:56am
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my house
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mrhanky Offline
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Originally Posted by chriskay
I thought all commercial premises had 3 phase available, if not actually connected. Ask your electricity supplier.


surprising how many don't esp. new build small ish ones.
where i was on cleveland st. only 2 out of 16 units had 3 phase.

costs about 10k, from what i remember, to have it put in.

Re: 3 phase electric [Re: chris_gilly] #472258
13th Feb 2011 1:37pm
13th Feb 2011 1:37pm
Joined: Dec 2003
Posts: 8,019
my house
Sanchez Offline

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Sanchez  Offline

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3 phase converter can cost up to 1k bud. Maweb will charge you around 2-3k for a 3phase supply putting in.


Uncertainty or not knowing causes depression, Im happy because I know I'm going to die one day!
Re: 3 phase electric [Re: chris_gilly] #472310
13th Feb 2011 3:55pm
13th Feb 2011 3:55pm
Joined: Feb 2009
Posts: 1,952
tranmere
chris_gilly Offline OP

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http://cgi.ebay.co.uk/VARIABLE-FREQ...ents_Supplies_ET&hash=item3cae5e1a33

would this not do?

the motor for the ramp iss a 1.5kw 2800rpm?

Re: 3 phase electric [Re: chris_gilly] #472330
13th Feb 2011 4:18pm
13th Feb 2011 4:18pm

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Pinzgauer
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Over to you Sanchez. Some of the specs on this have me flummoxed big time ! (Nothing new there then !)

Re: 3 phase electric [Re: chris_gilly] #472372
13th Feb 2011 5:36pm
13th Feb 2011 5:36pm
Joined: Jul 2008
Posts: 13,577
Birkenhead
diggingdeeper Offline

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The alternative is to see if someone will change the motor to single phase and change the switchgear. If its only 1.5KW it makes you wonder why they chose 3-phase anyway!


The further you are down the pay scale, the more 'essential' you are when the s--- hits the fan... Sue Farbysmith 2020

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Re: 3 phase electric [Re: chris_gilly] #472377
13th Feb 2011 5:48pm
13th Feb 2011 5:48pm
Joined: Feb 2009
Posts: 1,952
tranmere
chris_gilly Offline OP

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chris_gilly  Offline OP

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prob would be cheaper if that converter works?, i can get a motor for about 105

Re: 3 phase electric [Re: chris_gilly] #472393
13th Feb 2011 6:15pm
13th Feb 2011 6:15pm
Joined: Dec 2003
Posts: 8,019
my house
Sanchez Offline

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my house
well the ebay item looks ok but not sure about it will have enough power to drive a ramp (id have to see the stats on the ramp.

We use 3 phase motors as they are alot quicker on start up and more controlable.


Uncertainty or not knowing causes depression, Im happy because I know I'm going to die one day!
Re: 3 phase electric [Re: Sanchez] #472400
13th Feb 2011 6:25pm
13th Feb 2011 6:25pm
Joined: Feb 2009
Posts: 1,952
tranmere
chris_gilly Offline OP

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chris_gilly  Offline OP

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tranmere
Originally Posted by Sanchez
well the ebay item looks ok but not sure about it will have enough power to drive a ramp (id have to see the stats on the ramp.

We use 3 phase motors as they are alot quicker on start up and more controlable.


is says it can drive a hoist? i went for the 2.2 kw as the ramps only 1.5 so i guess it would (should?) be ok?

cheers buddy!

Re: 3 phase electric [Re: chris_gilly] #472403
13th Feb 2011 6:29pm
13th Feb 2011 6:29pm
Joined: Dec 2003
Posts: 8,019
my house
Sanchez Offline

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Sanchez  Offline

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my house
Yer, and its not like it will be on constantly, just when you raise and lower the ramp. I think if you were to buy it for a compressor it wouldnt last too long! Up date us with this when you get it bud, quite interested in one me self!


Uncertainty or not knowing causes depression, Im happy because I know I'm going to die one day!
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