Unijunction Transistor (UJT) Basics
Thyristor power-control devices must be accompanied by a circuit that provides pulses of current to the gate terminal … Read More
TRIAC Basics
This article covers Triac Construction, Operating Principle, Circuit Characteristics, Testing Procedure, and Applications, along with the relevant circuit … Read More
Silicon-Controlled Rectifier (SCR)
This article covers Silicon-Controlled Rectifier (SCR) construction, Operation, Commutation, Characteristics, Gate Requirements, Testing, and Applications along with the … Read More
AC Power Control Methods
A wide variety of methods has been developed to control the AC power in a load. Some have … Read More
Electric Motor Protection Devices
Generally, the circuits supplying electric motors should be protected against overload and fault currents. In addition, any unattended … Read More
DC Motor Protection Methods
In general, DC motors require the same sort of protection as AC motors. Thermal and magnetic overload protection … Read More
Electric Motor Protection
One common cause of electric motor failure is temperatures rising above design values. This can occur because of … Read More
Induction Motor Speed Control Methods
In this article, we have covered induction motor speed control methods along with their circuit diagrams in details: … Read More
Induction Motor Starter
The following are push-button motor starter circuits for the more common types of starters. It must be emphasized … Read More
Induction Motor Braking Methods
The major types of induction motor braking include Mechanical Braking, Eddy-Current Discs, Dynamic Braking, Regenerative Braking, and Plug … Read More
10 Greatest Mathematicians of all Time
#10 Pythagoras of Samos Pythagoras of Samos was known as the “Father of Modern Mathematics.” He lived around … Read More
Microsoft Visio Step by Step Manual for Beginners
Microsoft Visio is a drawing program; a drawing program with advanced functions and features that allow you to … Read More