Crowbar fault protection circuit
Crowbar circuit is used to protect circuit or equipment under fault condition Over Current Causes: Over current flow through thyristors
Power Electronics
Power Electronics
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 short 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