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Electric vehicles => Electric cars => Topic started by: Tommey Reed on August 06, 2009, 09:19:39 PM

Title: Converting 120v dc in to 120v ac, using a commutator...
Post by: Tommey Reed on August 06, 2009, 09:19:39 PM
This shows how simple to convert dc to ac, running at about 60hz....

http://www.youtube.com/user/OverUnityNow1#play/all/uploads-all/0/huNNAd2qS4U

Tom
Title: Re: Converting 120v dc in to 120v ac, using a commutator...
Post by: Spirality on August 22, 2012, 06:38:25 PM
This shows how simple to convert dc to ac, running at about 60hz....

http://www.youtube.com/user/OverUnityNow1#play/all/uploads-all/0/huNNAd2qS4U

Tom
Somebody deleted the video :(

What ways are there to convert DC power to AC power?
I'd be happy to use a square wave that could be amplified to a higher voltage and low current, to use in the Newman, but the method is elusive.
Title: Re: Converting 120v dc in to 120v ac, using a commutator...
Post by: TinselKoala on August 23, 2012, 04:40:36 AM
Using a commutator or relay or mosfet H-bridge. It is the Secret of DPDT.

Once you understand how to wire a doublepole, doublethrow toggle switch to reverse the polarity of DC then you will understand the commutation method.

http://www.youtube.com/watch?v=PIIiKcY3sk8
Title: Re: Converting 120v dc in to 120v ac, using a commutator...
Post by: Spirality on September 02, 2012, 08:18:22 AM
Thanks guys, you have given me something concrete to go on.

Nice demonstration board/circuit by the way :)
Title: Re: Converting 120v dc in to 120v ac, using a commutator...
Post by: Lakes on September 02, 2012, 11:36:53 AM
Using a commutator or relay or mosfet H-bridge. It is the Secret of DPDT.

Once you understand how to wire a doublepole, doublethrow toggle switch to reverse the polarity of DC then you will understand the commutation method.

http://www.youtube.com/watch?v=PIIiKcY3sk8
Special "negative" LED`s :D  lol

I suggest that you put the MosFet tutorials in a group on youtube or links to previous and next videos in the series.
Title: Re: Converting 120v dc in to 120v ac, using a commutator...
Post by: gadgetmall on September 03, 2012, 05:44:14 PM
This shows how simple to convert dc to ac, running at about 60hz....

http://www.youtube.com/user/OverUnityNow1#play/all/uploads-all/0/huNNAd2qS4U

Tom

This reminds me of a simple grid tie inverter using just a few parts . never tried it myself as i use bought ones with island protection at my home . is this what the video detailed . http://www.neo-aerodynamic.com/GridTieInverter.html

Gadget