Stepper Motor Working Principle
Stepper motors are DC motors that move in discrete steps. They have multiple coils that are organized in groups called “phases”. By energizing each phase in sequence, the motor will...
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Electrical Basics
Difference between Stepper Motor and Servo Motor
Stepping Motors and Servo Motors are almost same usage for positioning but are entirely different systems, each with its pros and cons. Many are under the misconception that there are...
Basic Principles of Electricity
Electricity Electricity, simply put, is the flow of electric current along a conductor. This electric current takes the form of free electrons that transfer from one atom to the next. Thus,...
Circuit Breaker Working Principle Animation
A circuit breaker is an automatically-operated electrical switch designed to protect an electrical circuit from damage caused by overload of electricity or short circuit. A circuit breakers function is to...
Advantages of Three Phase System Compared to Single Phase System
Three phase system is widely used in generation, transmission and distribution. Single phase system is only used to operate small electrical appliances at consumer ends where the power rating is...
Difference between Current Transformer and Potential Transformer
Current Transformers (CT) and Potential Transformers (PT) are used to measure the current and voltage in a circuit of the order of hundreds of amperes and volts respectively. A CT...
Electrical Contactor, Switch, Circuit Breaker
An Electrical Contactor is a switch. In simple words contactor is a switch which closes its contacts with the help of relay. Most of the contactors operate by electromagnet, thus...
Advantages & Disadvantages of Fuse in a Electrical Circuit
Fuse is the cheapest protection device in electrical circuit against short circuits and overloading of circuits. Fuse is a metal wire or thin metal strip which has the property of...
Advantages of Valve Regulated Lead Acid (VRLA) Batteries
Valve Regulated Lead Acid (VRLA) Batteries are popularly termed as maintenance free lead acid batteries. Each cell in VRLA battery will have a value (automating operating) to allow the gas...
Advantages of Star and Delta Systems
In a 3-phase system the alternators or generators may be star connected or delta connected. Likewise 3-phase loads may be star connected or delta connected. Some of the advantages of star and...