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Monthly Archive for: «June, 2015»

4 Main Means For The Generation Of Reactive Power

The four main means for the generation of reactive power are: synchronous alternators, synchronous compensators (SC), static var compensators (SVC) and banks of static capacitors. Contents Synchronous alternators Synchronous compensators (SC) Static var compensators (SVC)… Read more

Jun 29, 2015 | Edvard

4 Main Means For The Generation Of Reactive Power

12 Transformer Factory Tests Briefly Explained

The remainder of the twelve factory tests are briefly summarized below. The details of the test set connections and formulas of some of the listed tests are already described in separatly published articles, and for… Read more

Jun 29, 2015 | Edvard

12 Transformer Factory Tests Briefly Explained

5 copper busbar jointing methods you should know

Efficient joints in copper busbar conductors can be made very simply by: Bolting Clamping Riveting Soldering Welding Bolting and clamping are used extensively on-site. Shaped busbars may be prefabricated by using friction stir welding. Bolted… Read more

Jun 17, 2015 | Edvard

5 Copper Busbar Jointing Methods

Procedure for transformer lightning impulse test

The purpose of the impulse voltage test is to secure that the transformer insultations withstand the lightning overvoltages which may occur in service. Where: C1 – Impulse capacitor Rc – Charging resistor Rs – Series resistor… Read more

Jun 12, 2015 | Edvard

Procedure for transformer lightning impulse test

When To Use a Solidly Grounded System?

As is evident from the name, a solidly grounded system is one where the neutral of the system is directly connected to ground without introducing any intentional resistance in the ground circuit. With appropriate choice… Read more

Jun 10, 2015 | Edvard

What Is The Poor Power Quality?

Most electrical and electronic equipment is designed to operate from a power supply with a particular specification that usually defines the minimum and maximum limits for RMS (root mean-square) voltage and frequency. There is an… Read more

Jun 05, 2015 | Edvard

What Is Poor Power Quality?

Understanding Transfer Switch Transition Types

Transfer switches are used for quickly and safely transitioning all electrical power consumed by the circuit, equipment, or systems connected to the transfer switch output between those normal and emergency power sources. All electrical power consumed… Read more

Jun 03, 2015 | Edvard

Socomec transfer switch installed in switchboard

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