That was my thought as well, every half cycle. The reverse half of the cycle would present a huge current spike while the AC was being kept from going too far across the zero line.
Originally Posted by jghrist
Think of it as connecting two batteries together, pos to pos, (no current flow) and then reversing the leads rapidly to get 'AC'. Obviously there will be big smoke as soon as the two batteries are connected together backwards. Using 120 volts, that would mean a direct 240 volt short circuit.
Last edited by K8MHZ; 11-12-10 at 11:25 AM.
Cheers and Stay Safe,
Marky the Sparky