It you're trying to sync two AC signals I would think the easiest/most reliable way would be to use the zero-crossings.
It you're trying to sync two AC signals I would think the easiest/most reliable way would be to use the zero-crossings.
I don't want to infringe on his post here........
The solar makes DC voltage, sometimes they stack the panels to get say 120 VDC or more, then somehow (with inverters that use PWM) introduce current onto/into the pure sine wave of the utility ???It you're trying to sync two AC signals I would think the easiest/most reliable way would be to use the zero-crossings.
Yes this is the main idea. Some installation have even higher DC voltage (reducing the current).
Ioannis
It is called a Trace Inverter. Microchip has Reference Designs, as I'm sure TI and Analog Devices do. The quickest path to success is find a reference design.
Microchip.com then Solutions in header, Power Management and Conversion, DC to AC Power Inverter Solutuions.
There are several designs to look at, which should at least give you ideas.
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