What is Smart or Intelligent MCC? Its Advantages
What is MCC? MCC – Motor Control Center– has all the operational and protective switch gears. The Motor Control center basically controls the motor operation. … Read more
Power System
What Happens if DC supply fails in an electrical substation?
This article describes the importance of DC supply in substations. Circuit breakers are the main power-controlling elements that are switched on and off during normal … Read more
AC Hum & Contact bounce in Magnetic Contactor?
AC hum & contact bounce in a magnetic contactor cause premature failure of the contactor. In this post we will discuss in detail what is … Read more
Harmonic Problems and UPS Solution for Computer Installation
Computers installations small or big are susceptible to harmonics in the power lines. The advance designs of computer and peripherals make them virtually failure proof. … Read more
Harmonics Filters – Cost and Effectiveness
The main characteristic of an electrical system is its waveform which, under all operating conditions and load conditions, must always remain a pure sine wave. … Read more
Working Principle of Active Harmonic Filter
The PWM INVERTER technology is the basic building block of an Active Harmonic Filter. Active filters are new generation harmonic filters which use modern technologies … Read more
Role of Test & Measurement in Harmonic Studies
What are Harmonic Studies? Power electronics is being used popularly in industries due to ease of operation and maintenance. It is also possible to achieve … Read more
Why is double earthing necessary for 3-phase machines and equipment?
Why Earthing Important? The main purpose of the earthing of electrical equipment is to avoid the danger of getting electric shock. The proper earthing also … Read more
What is the Required Capacitor KVAR for 50 HP Motor?
The motor draws inductive current when a 50 HP induction motor is run by feeding a three-phase AC supply. At the no-load running of the … Read more
Difference between Harmonics and Sub-Harmonics
Harmonics is generated when the equipment draws current which is non linear to the applied voltage. The elctronic devices are the non linear devices … Read more