Driving a DC PCB heated bed with AC mains? August 02, 2014 07:50AM |
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Re: Driving a DC PCB heated bed with AC mains? August 02, 2014 08:36AM |
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Re: Driving a DC PCB heated bed with AC mains? August 02, 2014 04:08PM |
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Re: Driving a DC PCB heated bed with AC mains? August 03, 2014 05:21AM |
Registered: 13 years ago Posts: 7,616 |
Quote
Leav
So, the basic idea is to order a board like this, and power with mains voltage.
BUT! since just connecting it to mains will certainly fry it within a second or two, the idea is to use a solid state relay like this one in order to PWM the mains power.
Generation 7 Electronics | Teacup Firmware | RepRap DIY |
Re: Driving a DC PCB heated bed with AC mains? August 03, 2014 08:51AM |
Admin Registered: 13 years ago Posts: 7,005 |
Re: Driving a DC PCB heated bed with AC mains? August 04, 2014 04:48AM |
Registered: 13 years ago Posts: 7,616 |
Quote
Dust
He has got me wondering about some some sort of sine wave following pulsed power supply though
Generation 7 Electronics | Teacup Firmware | RepRap DIY |
Re: Driving a DC PCB heated bed with AC mains? August 04, 2014 04:59AM |
Admin Registered: 13 years ago Posts: 7,005 |
Re: Driving a DC PCB heated bed with AC mains? August 04, 2014 07:52AM |
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Re: Driving a DC PCB heated bed with AC mains? August 05, 2014 12:21PM |
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Re: Driving a DC PCB heated bed with AC mains? August 10, 2014 12:10AM |
Registered: 10 years ago Posts: 17 |
Re: Driving a DC PCB heated bed with AC mains? August 10, 2014 04:56AM |
Registered: 13 years ago Posts: 7,616 |
Quote
lucamax
If you want to get 100 Watt from a 48 Watt resistance you will overheat the resistance and in a short time it will burn.
Generation 7 Electronics | Teacup Firmware | RepRap DIY |
Re: Driving a DC PCB heated bed with AC mains? August 10, 2014 05:06AM |
Registered: 10 years ago Posts: 17 |