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Archive: Category «Energy and Power»

Electrical Lectures

Capacitor Banks In Power System (part three)

Continued from part two – Capacitor Banks In Power System (part two) Capacitor units shall be suitable for continuous operation at an RMS current of 1.30 times the current that… Read more

Mar 03, 2012 | By Asif Eqbal

Low Voltage Power Capacitor
Electrical Lectures

Capacitor Banks In Power System (part two)

Continued from part one – Capacitor Banks In Power System (part one) It should be noted that in an inductance the current lags the voltage by 90 degrees and in… Read more

Mar 01, 2012 | By Asif Eqbal

Capacitor banks in low voltage switchgear
Electrical Lectures

Capacitor banks in power system (part 1)

When a charge is delivered to a conductor its potential is raised in proportion to the quantity of charge given to it. At a particular potential a conductor can hold… Read more

Feb 27, 2012 | By Asif Eqbal

Capacitor banks in power system (part 1)
Energy and Power

Zero Emission Power Plant, Without Carbon Dioxide

India is the world’s fourth largest economy and has a fast growing energy market. India’s current power capacity is 30% short of demand. Coal and petroleum are the primary sources… Read more

Feb 22, 2012 | By vinod ramireddy

Zero emission power plant
Energy and Power

220V DC system at thermal power station

The 220V DC system supplies direct current as source of operating power for control, signaling, relays, tripping and closing of switchgears, emergency motors of most important auxiliary systems. Under normal… Read more

Feb 15, 2012 | By Bipul Raman

220V DC system at thermal power station
Electrical Lectures

Types of neutral earthing in power distribution (part 2)

Resistance grounding has been used in three-phase industrial applications for many years and it resolves many of the problems associated with solidly grounded and ungrounded systems. Resistance Grounding Systems limits… Read more

Feb 09, 2012 | By jiguparmar

Low voltage switchgear - Power distribution

Discussing About LV And HV Electrical Cables

Space is really a critical criterion when discussing electrical cables and wires. In a low-voltage (LV) plastic-sheathed cable with conductor cross-sections of up to 10 mm2 per conductor or in… Read more

Feb 08, 2012 | By Edvard

High-voltage cable cross section
Electrical Lectures

About Permeability And Permitivity

The strength of electric field or electrostatic force strength or intensity of field (all synonymous terms) is measured & expressed in terms of force experienced by unit positive charge placed… Read more

Feb 01, 2012 | By Asif Eqbal

Electric field intensity - closed path denoted by ABCD
Energy and Power

Glossary of Medium Voltage Switchgear Terms

This glossary was published originally by Schneider Electric and it is intended to cover the meaning of many common words and phrases used in association with medium voltage switchgear. Many… Read more

Jan 25, 2012 | By Edvard

Energy and Power

Anti Pumping And Lockout Relays

What is ANSI code for Antipumping relay? ANSI codes 94 or even 52 can be used. Relays can be divided into six functional categories shown below: Detect defective lines, defective… Read more

Jan 23, 2012 | By Asif Eqbal

Anti-pumping relay - Powell
Energy and Power

UK Electrical Industry British Standards (BS)

These standards are the whole of the prescriptions on the basis of which machines, apparatus, materials and the installations should be designed, manufactured and tested so that efficiency and function… Read more

Jan 20, 2012 | By Edvard

British Standards (BSI)

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