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    Immersion Heater - PV electricity

    Like a drill speed controller or light dimmer a phase angle controlled immersion is going to radiate some electrical interference, only worse because of the larger current and long cable between the immersion and fuse box. What sort of suppression is going to be needed to stop interference with...
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    Immersion Heater - PV electricity

    There are extra components on the analogue inputs but they are little more than resistor dividers and overvoltage protection resistors. But you would need to convert the CT ouput to DC with something like an op amp. My standard device has >20 variables that can be altered by menu. If I...
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    Immersion Heater - PV electricity

    It is a solar water controller which uses a small PV panel to provide all the power to run the controller and pump so there is no mains needed. But it can be mains powered if you want. It’s mainly designed to switch the water pump on and off in response to the solar power and temperatures in...
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    Immersion Heater - PV electricity

    I designed a PIC based solar controller for solar water heating. The design was published in Everyday Practical Electronics in June 2009. Everyday Practical Electronics They sell back copies and the bare PCB. I sell the programmed PIC. All in it costs about £50 in components. Now that I have...
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