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Monthly Archive for: «December, 2012»

Transformers

Importance of Transformer Inrush Current

When a transformer is taken off-line, there will be a certain amount of residual flux that can remain in the core due to the properties of the magnetic core material…. Read more

Dec 28, 2012 | By Edvard

Importance of Transformer Inrush Current
Energy and Power

Few Words About Digital Protection Relay

Around 1980s the digital relay entered the market. Compared to the Solid State Relay, the digital relay takes the advantages of the development of microprocessors and microcontrollers. Instead of using… Read more

Dec 24, 2012 | By jiguparmar

Few Words About Digital Protection Relay
Hydropower

Diverting the River Flow With Dam

Introduction to Dams Dam Characteristics Embankment Dams Homogeneous dams Zoned embankment dams Embankments dams with membrane Concrete Dams Gravity dams Buttress dams Arch and Cupola dams Other Dam types Missouri… Read more

Dec 21, 2012 | By Edvard

Diverting the River Flow With Dam
Energy and Power

The Solid State Relay (Static Relay) Overview

The static relay is the next generation relay after electromechanical type.The Solid Static relays was first introduced in 1960’s. The term ‘static’ implies that the relay has no moving mechanical… Read more

Dec 19, 2012 | By jiguparmar

The Solid State Relay (Static Relay) Overview
Energy and Power

The Good Old Electromechanical Protective Relay

This is the first generation oldest relaying system and they have been in use for many years. They have earned a well-deserved reputation for accuracy, dependability, and reliability. There are… Read more

Dec 18, 2012 | By jiguparmar

The Good Old Electromechanical Protective Relay
Energy and Power

Using Protective Relay For Fighting Against Faults

Introduction to Protective Relay Working Principle of Protective Scheme What is Relay? Functions of Protective Relay Desirable qualities of protective relaying Terminology of protective relay History of Protective Relay Types… Read more

Dec 17, 2012 | By jiguparmar

Using Protective Relay For Fighting Against Faults
High Voltage

Enhance Grid Reliability With Hybrid HVDC Breaker

Introduction to HHVDC How does Hybrid HVDC Breaker work? (VIDEO) Hybrid HVDC Breaker Construction Proactive control Prototype Design Of The Hybrid HVDC Breaker Comparison/Summary The advance of voltage source converter-based… Read more

Dec 15, 2012 | By Edvard

The Hybrid HVDC Breaker by ABB


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