Ring Main Distribution with RMU:
Nowadays Ring Main units are widely used in Metro cities and smart cities for providing reliable supply to the consumers. It is essential for Electrical Engineers to know the working… Read more »
Author Archives: phani babu
Line Differential Relay [87L]:
The principle of operation of line differential protection is same as transformer differential protection. The only difference is transformer differential protection uses only one differential relay whereas line differential protection… Read more »
Under voltage [27]/Over voltage [59] Relay:
In this post, we can learn the working and configuration of the Numerical Under voltage [27] /Over voltage [59] protection relay. These relays measure either phase-to-phase (Ph-Ph) or phase-to-neutral (Ph-N)… Read more »
Core-Balance Current Transformer [CBCT]:
Core Balance Current Transformer-CBCT: Core-Balance Current Transformer CBCT also called as Zero Sequence CT. In this type of CT a single ring or rectangular shaped core of magnetic material, encircles… Read more »
Potential Transformer [PT]:
Potential or Voltage Transformer: The purpose of the Potential Transformer is to provide an isolated secondary voltage that is in-phase and exact proportionate representation of primary voltage. Potential Transformers are… Read more »
Electrical Interview Questions: Series-4
Electrical Interview Questions In this series of Interview questions, we will learn about the following major differences in Electrical Engineering. Major Differences in Electrical Engineering: 1. What are the major… Read more »