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
Electrical Basics
Electrical Basics
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
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
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
Circuit Breaker Making Capacity
During short circuit, circuit breaker contacts opens and automatically closes after few cycles to determine whether the fault is cleared.
Top Electrical Engineering Questions & Answers
Electrical Switchgear & Protection Interview Questions Interview Questions on Transformers Single Phase Induction Motors Questions and Answers Three Phase Induction
Electrical Terminology
The Basic Electrical Terminology Terms as follows: Active Power (Watt): Sometime called Real Power, True Power or Effective power. It
Worldwide Voltage & Frequency Values
The voltage and frequency of alternating current (AC) electricity used in homes varies from country to country throughout the world.
Formula of AMP, KW, KVA, HP for AC and DC Voltages
Formula of AMP, KW, KVA, HP for AC and DC Voltages
Motor STAR – DELTA Starter Working Principle
Motor STAR – DELTA Starter Working principle. A Dual starter connects the motor terminals directly to the power supply. Hence, the motor is subjected to the full voltage of the power supply. Consequently, high starting current flows through the motor.