Trending Differential Equations Discussions

What is Bus differential Relay ?‎

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What is the main difference between high impedance & low impedance differential relay used in power transformer?‎

Electrical Transformer Protection‎

How the differential equation dy/dx=tan(x+y) be solved.?‎

What is the difference between USANCE AND UPAS ? why we should go for UPAS ?‎

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Answer added by  jaikumar.g gopalakrishnan.a, Project Associate, Central Power Research Institute
9 years ago

High impedance: In the High impedance differential relay the simple current or voltage based operated relay can be use as High impedance with the series of stabilizing re ... See More

 

Answer added by  Essam Abouroash, Maintenance and Operation site Manager , Abu Qafrh Ready Mix Holding
5 years ago

The principle of differential busbar protection is very simple. Here, secondaries of CTs are connected parallel. That means, S1 terminals of all CTs connected together an ... See More

 

Answer added by  Mohamed El Hadad, Technical Project Manager, Electronic and Electrical Industries Corporation (EEIC)
10 years ago

In the High Impedenc DPR the Protection relay will have only one summation current input and it will pick up based on the difference in the current sumation. 

 

Answer added by  Nirmal Raja Periyalwar Linganna Jeyalalitha, SENIOR ELECTRICAL SITE ENGINEER, KCC Engineering & Contracting Company
6 years ago

The Relay which is used to protects the Bus Bar in the substation is called Bus Differential Relay. This relay acts on Differential current measurement principle. As per ... See More