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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 Synchronous alternators are the main machines used… Read more

Jun 29, 2015 | Electrical Lectures

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… Read more

Jun 29, 2015 | Testing and Commissioning

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… Read more

Jun 17, 2015 | Energy and Power

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… Read more

Jun 12, 2015 | Testing and Commissioning

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…. Read more

Jun 10, 2015 | Energy and Power

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