Single Phase Dual Converter Circuit Diagram with Four Quadrant of Operation: We have seen that Single Phase full Converters with inductive loads allow only a two-quadrant operation. If two of…
UJT as Over Voltage Detector Circuit Diagram: UJT as Over Voltage Detector Circuit Diagram - A simple dc overvoltage detector circuit is given in Fig. 26.96. It operates on the…
UJT Relaxation Oscillator - Circuit Diagram and its Workings: UJT Relaxation Oscillator - The relaxation oscillator shown in Fig. 26.94 (a) consists of UJT and a capacitor C which is…
Gate Controlled Switch (GCS) Circuit - Operation and Advantages: As mentioned earlier, low-current drop out is the normal way in which the SCR is turned off. Gate controlled switch is…
SCR as Full Wave Rectifier Circuit Diagram: For Two SCR as Full Wave Rectifier are connected across the centre taped secondary, as shown in Fig. 26.32 (a). The gates of…
SCR as Half Wave Rectifier Circuit Diagram: SCRs are very useful in ac circuits where they may serve as rectifiers whose output current can be controlled by controlling the gate…
Difference Between Thyristor and Transistor: As already mentioned, transistors and thyristors are both semiconductor devices. They are now widely employed in switching operations because of their numerous advantages such as…
Difference Between Thyristor and Thyratrons: Before the discovery of thyristors, thyratrons were used for inÂdustrial control, but now they have been replaced by the thyristors because of the following drawbacks…