Author Topic: DIY isolating transformer  (Read 754 times)

Offline Sunny9036

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DIY isolating transformer
« on: October 31, 2018, 19:14 »
Hi guys, I would like to learn and start a DIY project for isolating transformer. Am looking at Block 1.6kva one. Any recommendation or comments for this item?
https://sg.rs-online.com/mobile/p/toroidal-transformers/7529299/

Offline wizardofoz

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Re: DIY isolating transformer
« Reply #1 on: November 01, 2018, 01:42 »
The guys at Koba Electronics in chinatown can help you. even if you get the toroidal from RS


probably some others done this here in the DIY planet too
I have a pile of stuff that pushes out squiggly waveforms from smaller squiggly waveforms that sometimes come from 1's and 0's.
It's wonderful to behold as long as you don't let the magic smoke out.

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Offline Sunny9036

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Re: DIY isolating transformer
« Reply #2 on: November 01, 2018, 08:09 »
i see, thanks for the recommendation.

Online pcking

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Re: DIY isolating transformer
« Reply #3 on: November 01, 2018, 08:41 »
You can refer to this old thread http://www.xtremeplace.com/yabbse/index.php?topic=109231.msg759866#msg759866
Unfortunately, some the pics' links are no longer valid due to Imageshack no longer provide free image hosting.

Suggestion: It's best if you could have separate isolation trans for say low powered devices like CDPs, DACs, Preamp & other sources and a bigger isolation trans for power amps, etc.

Use balanced transformers and if possible, put a dc filter before the trans Primary Inputs.  ;)

 
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Offline Sunny9036

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Re: DIY isolating transformer
« Reply #4 on: November 01, 2018, 22:00 »
Thanks Pcking, just for enquiry. If the model of the transformer which I had listed earlier suitable to be used as a balanced or isolation transformer? Given the power rating is adequate.
Or there is any recommended brands or types

Online pcking

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Re: DIY isolating transformer
« Reply #5 on: November 01, 2018, 23:32 »
The trans you have listed can be used but I think if you go Koba to get it, should be cheaper.

Take note that if you go higher than 1kVA, you will need a slow start circuit.

Else the moment you switch it on, it’s going to trip your circuit breaker.
"The worse of the two is he who, when abused, retaliates. One who does not retaliate wins a battle hard to win."

Offline Sunny9036

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Re: DIY isolating transformer
« Reply #6 on: November 02, 2018, 00:03 »
Got it. Thank you

Offline yumyum

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Re: DIY isolating transformer
« Reply #7 on: December 05, 2018, 23:47 »
i got 1 monster industrial grade isolating transformer for clearance if you want. I think its 4kva...240v to 240v yes it big. in a metal casing and all wired up. i'll clear at $350 to you but you need to come grab it. its heavy and I will trolley it to your car/truck/lorry/van for you...about 40kg I think. message me for pics. 85537375
« Last Edit: December 11, 2018, 15:24 by yumyum »