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### Author Topic: Converting 120v dc in to 120v ac, using a commutator...  (Read 15622 times)

#### Tommey Reed

• Full Member
• Posts: 152
##### Converting 120v dc in to 120v ac, using a commutator...
« on: August 06, 2009, 09:19:39 PM »
This shows how simple to convert dc to ac, running at about 60hz....

Tom

#### Spirality

• Newbie
• Posts: 16
##### Re: Converting 120v dc in to 120v ac, using a commutator...
« Reply #1 on: August 22, 2012, 06:38:25 PM »
This shows how simple to convert dc to ac, running at about 60hz....

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.

#### TinselKoala

• Hero Member
• Posts: 13968
##### Re: Converting 120v dc in to 120v ac, using a commutator...
« Reply #2 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.

#### Spirality

• Newbie
• Posts: 16
##### Re: Converting 120v dc in to 120v ac, using a commutator...
« Reply #3 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

#### Lakes

• Sr. Member
• Posts: 383
##### Re: Converting 120v dc in to 120v ac, using a commutator...
« Reply #4 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.

Special "negative" LED`s   lol

I suggest that you put the MosFet tutorials in a group on youtube or links to previous and next videos in the series.

• elite_member
• Hero Member
• Posts: 1733
##### Re: Converting 120v dc in to 120v ac, using a commutator...
« Reply #5 on: September 03, 2012, 05:44:14 PM »
This shows how simple to convert dc to ac, running at about 60hz....