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Technical Articles

Electrical Lectures

What can a PLC do? Why do we use them?

“PLC” means “Programmable Logic Controller”, that’s clear. The word “Programmable” differentiates it from the conventional hard-wired relay logic. It can be easily programmed or changed as per the application’s requirement…. Read more

Jul 15, 2015 | By Edvard

What can a PLC do? Why do we use them? (on photo: SIEMENS PLC Simatic S7-1500; credit: totallyintegratedautomation.com)
Electrical Lectures

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… Read more

Jun 29, 2015 | By Edvard

4 Main Means For The Generation Of Reactive Power
Testing and Commissioning

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… Read more

Jun 29, 2015 | By Edvard

12 Transformer Factory Tests Briefly Explained
Energy and Power

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… Read more

Jun 17, 2015 | By Edvard

5 Copper Busbar Jointing Methods
Testing and Commissioning

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… Read more

Jun 12, 2015 | By Edvard

Procedure for transformer lightning impulse test


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