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Crowbar fault protection circuit
Crowbar circuit is used to protect circuit or equipment under fault condition Over Current Causes: Over current flow through thyristors ... -
R R-C Firing Circuits Disadvantages
Firing Circuits: Gate triggering is the most commonly used turn-on method employed to switch on the thyristors. Triggering circuits is ... -
How to test SCR using Multimeter
This post will discuss about testing SCR – Silicon Controlled Rectifier with thte help of Ohmmeter. The thyristor pin assignment diagram ... -
How Snubber Circuit works ?
The Snubber circuit is one type of dv/dt protection circuit of the thyristor. With the help of snubber circuit, the ... -
How to Test TRIAC with Multimeter
How to test TRIAC with Digital Multimeter OR using Ohmmeter? In this shot post we will discuss about how to test ... -
Types of IGBT
Insulated Gate Bipolar Junction Transistor (IGBTs) are normally classified into two types. They are namely (i) Non Punch Through IGBT ... -
Basics of Thyristor
Thyristor is a three terminal device with four layers of alternating P and N type material (three P-N junctions). The ... -
SCR Switching Characteristics
SCR Switching Characteristics or Dynamic Characteristics: The switching characteristics are important particularly at high-frequency, to define the device velocity in ... -
SCR Triggering Methods
Triggering (Turn on) Methods of Thyristor: Triggering:- The turning on Process of the SCR is known as Triggering. In other ... -
Turning Off SCR – Commutation
To tum on a thyristor, a low voltage, short duration pulse is applied to the gate (typically 4V, 100µs). Once the ...