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Electrical Basics

Worldwide Voltage & Frequency Values

The voltage and frequency of alternating current (AC) electricity used in homes varies from country to country throughout the world. Typically either 110-volt AC (110V) or 220-volt AC (220V) are

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

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

Top 10 Common Mistakes on Electrical Systems

1. Thinking that it’s “only 120 volts” or 208 volts or 480 volts or… Dr. A.G. Soto, consulting physician to Ontario Power Generation presented a paper at the 2007 IEEE

Differences between Watts and Volt Amps

As you would know, electrical products generally indicate both to show how much energy and current they draw. So herewith a quick summary of the differences with some interesting alternative

Geothermal Energy Power Plants

Geothermal Energy   Beautiful valleys, cool and silent forests, peaceful oceans. How much attractive this Earth is? Let us now think about the origin of the world. It is thought

Basic Electrical Engineering Questions & Answers

Q: What is vaccum currcuit breaker.define with cause and where be use it Device? A: A breaker is normally used to break a circuit. While breaking the circuit, the contact

Basics of Star and Delta connections

Comparison between Star and Delta Connections Differences: The two systems have vastly different applications. Yes, there is a lot of crossover between them in some fields, but the two are

Variable Frequency Drive (VFD) Working Principle

History of Variable Frequency Drives (VFD) When Tesla first introduced the 3-phase alternating current (AC) induction motor in 1888, he knew that his invention was more efficient and reliable than

Basics of Electricity Rates

Electricity pricing (sometimes referred to as electricity tariff or the price of electricity) varies widely from country to country, and may vary significantly from locality to locality within a particular

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