The Capacitor Inverter

#579

The DPDT relay is being used to alternate the DC current. When contacts are in the up position +& - position current runs through the 120 vac out put wire, and when the relay is turned on by 12 vdc 15 ma, the polarity reverses in the wire to - & + , this all happens very fast and creates ALTERNATING CURRENT TO THE OUTPUT! again as the small DC pulse motor is running it switches on and off a reed switch causing the relay contact arm to move to upper contacts and then to the lower contacts.

Now getting back to the relay, It is best to build your own DPDT 275 amp relay. You can make the contacts changeable. The contacts can be made of bolt heads. For best results sand and round off top of bolt heads. You must find very large bolts and nuts to take that much amperage. Once you have it built you can have it working vertical dipped in a oil bath. Do not dip electromagnet coil into oil, it will short out! Just the contacts.

DPDT = Double pole, Double throw

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