blog Archives - Page 3 of 8

How to become Topper in college – 7 study tips

G K Agrawal / blog / 30/03/2023

How to become topper - 7 tips by G K agrawal

In this article, you will learn how to become a topper in college. However, in addition to the hard work, we need to follow some study methods to make it easy. Anybody including you can become a topper also, by following these methods and 7 study tips.

If you are willing to put in hard work to become a topper in your college or engineering college, then this article is for you. This article does not tell any magic idea to become a topper without hard work.

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Power Factor and Reactive Power Difference

G K Agrawal / blog, Electrical, Power factor, Power system / 05/03/2023

You will learn the difference between power factor and reactive power in this post. We will discuss also active power, reactive power, apparent power, and power factor and also the formula of correlation between them with calculation and examples.

And also as usual extra knowledge based on my industrial design experience.

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17 differences between MCB breaker and Fuse

G K Agrawal / AC supply, blog, Circuit breakers, Electrical / 06/02/2023

We use MCB and fuse in the electrical circuits for protecting the electrical circuits. But there are many differences between the MCB breaker and a fuse.

I will explain 17 differences between the MCB breaker and fuse.

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Application of the Autotransformer – 8 uses

G K Agrawal / AC supply, blog, Electrical, Electrical transformer / 27/01/2023

application of au transformer as reactor

In this article, we will discuss the application of the autotransformer. As an autotransformer is small in size, cost, and weight, and also can provide variable voltage.

So both the step type and variac type of the autotransformer find use in home, industry, and high voltage labs.

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Advantages and disadvantages of the Autotransformer

G K Agrawal / AC supply, blog, Electrical, Electrical transformer / 25/01/2023

disadvantages and advantages of auto-transformer

In this article, I explain the advantages and disadvantages of the Autotransformer (Auto-transformer).

I will also explain the disadvantage of the autotransformer during fault at the output and also due to damage in a winding.

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Why use Neutral in three-phase induction motor in VVFD

G K Agrawal / AC supply, blog, Electric train, Electrical, Power electronics / 11/01/2023

We will discuss the need, advantage, and use of neutral in a three-phase induction motor in the complex VVVF (Variable voltage variable frequency) drive system.

You will learn how the use of neutral in an induction motor can make fault finding easy and improve protection and the reliability of the system

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