Category: SCR Tutorials

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SCR Ratings and Specifications

SCR Specifications and Ratings: The main specifications of the SCR are its voltage rating and current rating. In this post, let us see various ratings of thyristor. Voltage Rating: Peak Invese Voltage (VPIV) The...

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How Crowbar Protection Circuit (Over Voltage Protection) Works?

Over Voltage Protection - How Crowbar Circuit Works?  The Crowbar protection circuit is a fail-safe protection circuit. It protects the load against overvoltages. It is placed across the power supply output terminals.  The crowbar circuit mechanism...

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SCR Triggering Circuit Requirements

Thyristor Firing Circuit Requirements; In this post, we are going to see about the various requirements to be met for the trigger circuits of SCR. Various methods are available to turn on the thyristor. Please click...

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How Snubber Circuit protects SCR?

How the Snubber Circuit is working?  The Snubber circuit is one type of dv/dt protection circuit of the thyristor. With the help of snubber circuit, the false turn-on of a thyristor due to large dv/dt...

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How to test SCR with Multimeter?

Testing SCR with Multimeter : How to test the Silicon Controlled Rectifier [SCR] using Multimeter? This post will discuss about testing SCR - Silicon Controlled Rectifier with the help of Multimeter or Ohmmeter. It is highly...

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SCR Series Operation Tutorial

Series Operation of SCRs Necessity of SCR series connection:                   For some industrial applications, the demand for voltage and current ratings is so high that a...