Fundamentals of Electrical Engineering

Capacitor- an application

Capacitor is an electrostatic energy storage device, Capacitance depends upon the area of plates and inversely proportional to the distance between them. C= KA/d Types of Capacitor: Fixed Capacitor Polarised Capacitor Varying Capacitor Capacitor Behaviour for DC & AC Supply: For DC Circuit: In given circuit Firstly capacitor connect in series to a lamp load,… Continue reading Capacitor- an application

Power System

Is 49.9 Hz frequency is permissible instead of 50 Hz in Electrical System?

Electricity has played very important role in life of every human being, everybody wants to uninterrupted, smooth and clean electricity in our society but no one can be support to electrical utilisation companies for this work.  Now a  days as you have seen that everyone suffer from the fluctuations in supply system, these disturbance depends… Continue reading Is 49.9 Hz frequency is permissible instead of 50 Hz in Electrical System?

Power System

12 Most asked Interview Questions in Power System

Q-01: What is the full form of KVAR?  Ans- We know there are three types of power in Electrical as Active, apparent & reactive. So KVAR is stand for 'Kilo Volt Amps' with Reactive component. Q-02: What is the difference between Isolators and  electrical Circuit Breakers? Ans - Isolators are mainly for switching purpose under normal… Continue reading 12 Most asked Interview Questions in Power System

Virtual Instrumentation

Virtual Labs: Recent Trends in Engineering Laboratories in INDIA

  The area of science and technology is rapidly changing with new technologies getting introduced every other day. In order to keep the student community up to date with the latest technological innovations, it is mandatory to provide them with sufficient practical experience with such technologies. However, updating lab facilities in every institute with each… Continue reading Virtual Labs: Recent Trends in Engineering Laboratories in INDIA

Power System

Power Quality: An Introduction

Power Quality- According to definition of power quality given in IEEE standard, “Power quality is the concept of powering and grounding sensitive equipment in a matter that is suitable to the operation of that equipment.” According to Institute of Electrical and Electronic Engineers (IEEE) standard IEEE 1100 defines power quality as “the concept of powering… Continue reading Power Quality: An Introduction

Power Electronics

Introduction to Power Electronics

combines three things which has been given as follows: Control: It deals with the steady state and dynamic characteristics of closed loop system. Power: It deals with the static and rotating power equipment for the generation, transmission and distribution of electric power. Electronics: It deals with the solid state devices and circuits for signal processing… Continue reading Introduction to Power Electronics

Instrumentation

Introduction to Biomedical Instrumentation

Bio-medical engineering is aimed at keeping people healthy and helping to cure them when they are ill. In general, them term bio-medical is used for the field. The term, bio-medical instrumentation is used for the methods of measurement within the field. The electrocardiograph first used by Einthoven at the end of nineteenth century. Physiological parameters… Continue reading Introduction to Biomedical Instrumentation

Electromagnetic Field Theory

Electromagnetic Field Theory

Electromagnetic is a branch of physics or electrical engineering in which electric and magnetic phenomenon studied. Electromagnetic (EM) may be regarded as the study of the interactions between electric charges at rest and in motion. Design: The design of EM devices include transformers, electric relays, radio/TV, telephones, electric motors, transmission lines, wave guides, antennas, optical fibers,… Continue reading Electromagnetic Field Theory