The control of dc power in a load is carried out by two means, either by regulating it through a series resistance ( it may be in form of passive or an active device ) or by mean of pulsating currents such as chopper. The advantage of chopper upon...
The low voltage ac voltage ( S1 of T ) is applied to the pair of two SCRs, CR1 and CR2, connected antiparallel with in series RL. These are the main SCRs. As the SCR is being commutated at the crossover points of ac cycle, but then it becomes a...
A flip - flop is a bistable circuit inwhich the one's output remain in stable state till the complement stage is triggered to change the state. A bistable is also called the latch. The commonSCRis a good latch device and useful to make...
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