A continuous gate signal is not normally desirable to trigger SCR because of the associated power dissipation in the SCR,

Single Phase Semi Converter provides only a one-quadrant operation. Most commercial applications need only controlled rectification and for this a

Single Phase Full Wave Controlled Rectifier is similar to Single Phase diode bridge rectifier but the only difference is that

Single Phase Full Wave Controlled Rectifier with RL load consists of four thyristors T1 to T4 and they are connected

In complementary (or class C) commutation, the SCR carrying load current is commutated (turned-OFF) by transferring its load current to

For the large power, variable speed drives, the 3 Phase AC to DC converters are extensively used. The average output

The SCR is a PNPN semiconductor switching device. It can be considered to be constructed by sandwitching two complementary transistors