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: October, 2011

Transformer Selection

Posted by Anup Mohan on Sunday, October 30, 2011, In : Transformers 
From the previous posts, it can be inferred that, ultimately at a Substation, either a Voltage level is stepped up or stepped down aiding to the transmission or distribution of power. Hence, we can say that the Transformer is the core of a substation which is supported by other equipment for protection.

Primary function of a Power Transformer is to transform voltage form a nominal level to another. In most cases, the use of two smaller size transformer, to operated in parallel in one circuit i...
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Types of Substation

Posted by Anup Mohan on Monday, October 24, 2011, In : Electrical Substation 
Generally the substations may be categorized based on their end applications i.e. if their purpose is to aid transmission of electric power or if it is for the distribution of electric power etc. On this regard a substation may categorized into the following:

Transmission Substation:

The three phase power from the generating station leaves to a substation where its voltage is stepped up to extra high voltage level for the purpose of transmission. Typical transmission voltages are 110kV, 220kV, ...
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Electrical Substation and Power system

Posted by Anup Mohan on Sunday, October 23, 2011, In : Electrical Substation 
An electrical substation is the point in the electrical Transmission-Distribution system, where the transformation of voltage form high level to low level or the vice versa happens. The voltage is either stepped up or stepped down at a substation and this is done with the help of large power transformers within the substation.

A Transmission substation transforms the voltage to a level suitable for transporting the electric power over long distances. This is to minimize the capital and operati...
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