2018
Oct
1

Electrical Busbar Protection – Differential Relay Function

Differential busbar protection is the most common and reliable scheme for the bus bar protection. Earlier there was no other option to use only conventional over current relays for busbar protection. But it is desirable that fault in any feeder or transformer

2018
Oct
1

Kirchhoff’s Rules Kirchhoff’s Voltage Law – Kirchhoff’s Current Law

Kirchhoff's Current Law

Kirchhoff’s Voltage Law states that net voltage gain and net voltage drops along a closed loop are equal. Kirchhoff’s Current Law states that at any point in the circuit the total current enters, is exactly equal to the total current leaves the point. There

2018
Sep
23

Series and Shunt Capacitors in Transmission Lines for Power Factor Correction

In order to understand the usage of different types of capacitors in transmission lines we must first look in different way first the effect of power factor on the power system. Because the subject is related to the power factor correction.  The

2018
Sep
21

How to Measures Core and Winding Losses of Electrical Current Transformer

core loss open circuit test using DPATT-3Bi instrument

Both short circuit and open circuit tests are conducted to measure the core and winding losses of transformers. As we know that there are mainly two major parts of transformers i.e. core and winding, which are made of two type of materials,

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