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Archive through January 05, 2005Henrik30 01-05-05  01:37 pm
         

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Blake
Posted on Wednesday, January 05, 2005 - 05:51 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only)

Maybe this is silly, but what would it take to locally boost 110V 1f to 220V 1f so you could simply use the supplied transforming equipment?
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Reepicheep


Posted on Wednesday, January 05, 2005 - 06:22 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only)

; ) A transformer
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Blake
Posted on Wednesday, January 05, 2005 - 08:32 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only)

Do I get some kind of design concept commission? : D
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Court
Posted on Thursday, January 06, 2005 - 05:09 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only)

Henrik:

Could you just supply 220V to the particular light? You have 220V available.

By the way, I noted that your 220V AC was still hanging out the old window last night.

Court
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Blake
Posted on Thursday, January 06, 2005 - 05:39 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only)

American 220V AC is 3f. Pretty sure he needs 1f.
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Newfie_buell


Posted on Thursday, January 06, 2005 - 08:06 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only)

Blake,

Get the nationality on the electricity right.



Churchill Falls

Its a known fact that a lot of the power/electricity supplying some of the north eastern states comes directly from Churchill Falls, Labrador. after the Province of Quebec rapes us (Newfoundland) for it then sells it a 10 times the price to the US. So its probably a much softer nicer electricity flowing down there!!!!!hehehehe

So its Canadian!!!!!!!

As for 220v I think its single phase but is running that kind of power through the house for lighting a good idea. Also you better check your building codes to see if that is allowed.
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Court
Posted on Thursday, January 06, 2005 - 08:57 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only)

>>>>220V AC is 3f

Negative.

My dryer, air compressor and Henrik's old air conditioner (still in the window at his old place) are 220V single phase.

Take your little Fluke volt-meter and stick it in your ..... well , where you plug in the electric dryer and see what happens. 120V on the phase to neutral and 220V phase to phase.

By the way, if you smell gas while doing this, don't light a match.

: )

Doc...lemme know if you need me to slip over to Exeter and locate a 220V source. Better, yet, let me know if you'd be intested in 500MW at 138kV!

Court
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Henrik


Posted on Thursday, January 06, 2005 - 09:28 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only)

Looked at the transformer for the chandelier again last night. No dip switches ...

transformer

Rather than having to run more wiring (not! happening), the easy way out is getting a few cheap transformers meant for US (or Canadian as the case may be : )) current. Thanks for the mental experiment though.

Henrik
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Blake
Posted on Thursday, January 06, 2005 - 09:36 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only)

There you have it. I am wrong again. Last time I messed around with 220V AC I melted the tip off of my brand-new #3 phillips-head craftsman screwdriver.
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Oz666


Posted on Thursday, January 06, 2005 - 09:52 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only)

Court is correct (as usual), one will not find U.S. residential poly-phase power. Or course, Texas may be different.
Derived poly-phase voltages are nominally 208/277, except for the so called "wild leg" connection - wye-delta as I recall. I always have to look that info up, making the wrong connection causes a spectacular (and expensive) light show and makes a mess in the kitchen.

- the cook





Oz
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Court
Posted on Thursday, January 06, 2005 - 10:15 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only)

>>>>causes a spectacular (and expensive) light show

Not unlike the time I connected a 4160V distribution transformer to a 34kv line. Not sure where the 18" diameter lid landed, I lost sight as it went through flight level 18. I do know some of the things the boiling oil showered....no one was hurt.

I should not be allowed to play with this stuff. You guys ever seen how us REAL electricians make splices? Here's a shot of an implosion splice (a three phases at the same time) being made on an overhead powerline last summer.

: )

WAPA Splice
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Reepicheep


Posted on Thursday, January 06, 2005 - 11:06 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only)

I would start looking at RD (different naming convention, right place) and D8 (a zeener diode, which generally sets a voltage reference for a regulator).

What Court is describing would work. Until some poor innocent replaced that cool Scandanavian fixture with something cool they bought at Home Depot.... then "BLAMMO".

If packaging of the transformer is not a big deal, just get the $27 replacement. If that form factor would significantly simplify other work, you can mail it to me and I can dig into it with the scope and meter and see if I can figure out how to make it work with US voltages.

(Message edited by reepicheep on January 06, 2005)
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Henrik


Posted on Thursday, January 06, 2005 - 11:42 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only)

Bill, Thanks much for the offer. I don't think the form factor will be a big deal - so I'll try for the replacement. Did some measuring, and it *should* fit.

Thanks again

Henrik
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Court
Posted on Thursday, January 06, 2005 - 12:24 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only)

>>>then "BLAMMO".

Both Scandinavian AND Transformer....

Bill, you in this afternoon?

court
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Blake
Posted on Thursday, January 06, 2005 - 03:02 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only)

All the suspense is amping me up...


Lot of potential for tragic humor...


Our capacity for that is unwavering...


Shocking puns... someone please interrupt me.
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Reepicheep


Posted on Thursday, January 06, 2005 - 03:22 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only)

At my desk Court, I emailed the number to your google account.

Blake, the way you are conducting yourself is bringing me up short. I suggest you become better grounded, least somebody blow a fuse.

(Message edited by reepicheep on January 06, 2005)
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Whitetrashxb
Posted on Thursday, January 06, 2005 - 03:36 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only)

i just sparked an interest in this thread...
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Whitetrashxb
Posted on Thursday, January 06, 2005 - 03:37 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only)

... it has been very enlightening
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Road_thing


Posted on Thursday, January 06, 2005 - 03:44 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only)

I'm getting a charge out of all these puns, but y'all are impeding my capacity to conduct business...
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2k4xb12


Posted on Thursday, January 06, 2005 - 11:37 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only)

Derived poly-phase voltages are nominally 208/277

True -- gone are the days of 240 delta (no neutral) installations. New construction utilizes wye (three phase plus neutral). Typical wye voltages are 120/208 where p-p voltage is 208 (3 phase) and p-n voltage is 120 (single phase). Useful for both outlets and lighting in commercial settings. 277/480 is found where large motors (such as elevators and/or air handlers) are involved. In such cases, the motor runs at 480 (3 phase) and lighting loads are at 277 (single phase).

All residential power is at 120/240 single phase.
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2k4xb12


Posted on Thursday, January 06, 2005 - 11:41 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only)

Check out http://teslamania.delete.org/frames/longarc.htm
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Reepicheep


Posted on Friday, January 07, 2005 - 08:21 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only)

Thanks 2k4, that is a VERY cool site!
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Court
Posted on Friday, January 07, 2005 - 09:00 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only)

Can you convert the substation transformer to a wmv. file ?
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Iamike


Posted on Friday, January 07, 2005 - 10:06 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only)

When doing house wiring it's best to be careful. I got a call from a neighbor from our old house from 8 years ago. It burned down last month on Christmas Eve.
So far I haven't heard the cause but I was always leary of the can lights with the cellulose insulation around them. I tried to keep it clear but no telling what the last two owners may have done.
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Newfie_buell


Posted on Tuesday, January 11, 2005 - 12:25 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only)

Henrik,

While looking through a Radio Shack Flyer the other day I noticed that they sell a step up unit that converts 110vac to 220vac so you can use small european appliances.

This may be the item your looking for. Of course this is the Canadian Radio Shack but I am sure they sell a similar item in the US.
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Henrik


Posted on Wednesday, January 12, 2005 - 03:30 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only)

Hi Newfie, thanks for the heads up. But I've already received the two transformers I need, they're tiny btw. and will be installing them this weekend. I'll post my findings.

Henrik
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Reepicheep


Posted on Friday, January 14, 2005 - 02:28 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only)

Speaking of Queens / New York...
http://www.zwire.com/site/news.cfm?newsid=13743573&BRD=1862&PAG=461&dept_id=1525 12&rfi=6

A "steal to order" motorcycle chop shop was busted up that operated around there...
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