ELECTRODEZ

Notes on Power Supply Installation:

Notes on PSI is a write up that covers some of the basic points on Traction Substation and Traction Switching Stations. To view the same in PDF format click the link below : 

Notes on PSI.zip Notes on PSI.zip
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Type : zip

Browsing Archive: March, 2012

Power Factor and Capacitor Banks

Posted by Anup Mohan on Friday, March 9, 2012, In : Electrical Substation 
As a one liner, it can be said that the Shunt Capacitor banks (used with series reactors) serves the purpose of 'power factor correction'.

What is Power Factor:

When asked what is Power Factor (hereafter PF), the most likely answer that one would get in mind is Cos Φ.
 
Any equipment handles a job with some degree of efficiency. The quantification of this efficiency is termed to be "Power Factor". Equipment like induction motors, Transformers etc. require two types of power. One of them is the p...
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Lightning Protection

Posted by Anup Mohan on Tuesday, March 6, 2012, In : Design 
Lightning is a natural hazard, being the discharge of static electricity. Some of them cause damage to buildings or equipment and a few even kill or injure people and animals directly or indirectly by causing fire and explosions. The important part of a lightning flash, from the resulting damage point of view is the "Return Stroke". This is the part in which the a charged cell in a cloud is discharged to earth. 

Effects of Lightning Stroke:

As the current is discharged through the resistance of...
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