Why is thyristor used




















A thyristor is not a proportional device like a transistor. In other words, a thyristor can only be fully on or off, while a transistor can lie in between on and off states. This makes a thyristor unsuitable as an analog amplifier, but useful as a switch. Cart 0. Back About Us Woman Owned. Source: Wikipedia. Thyristor Rick Grigalunas July 31, Comment. LinkedIn 0 0 Likes. Transducers Rick Grigalunas July 31, 1 Comment. Here a positive voltage is applied to the gate terminal, causing the j2 depletion region to break down.

Due to this, current starts flowing in the circuit and results in switch ON mode. Here we give negative voltage to anode and positive voltage to cathode while the gate is kept in an open circuit, causing j1 and j3 to be in reverse bias and j2 in forward bias.

As j1 and j2 are reverse biased, the flow of current is not possible. It has the ability to control huge current and is generally used as high frequency switch in an electrical circuit. Note: Thyristor devices are mainly used where high voltage and current are involved and are often used to control alternating currents AC. Video Tutorial explaining the Thyristor. Save my name, email, and website in this browser for the next time I comment.

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