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Power System

16 Electrical Safety Tips for Working with Electricity

What are some general safety tips for working with or near electricity? Electrical Safety Tips… Continued

communication matrix for intelligent mcc

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. 

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

ac hum and contact bounce in magnetic contactor

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

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.

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.

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

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

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

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

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