Short Notes: Power System Protection | Short Notes for Electrical Engineering - Electrical Engineering (EE) PDF Download

Download, print and study this document offline
Please wait while the PDF view is loading
 Page 2


 
 
 
 
 
Protection of Transmission line 
1) Mho relay is at least affected by power surges& thus it is used for protection of long 
transmission lines. It is inherently directional. 
2) Impedance relay is used for protection of medium transmission lines. 
3) Reactance relay is unaffected by ground resistance & hence used for earth fault 
protection & also for short transmission Lines. 
? These relays are collectively called as distance relays. 
Protection of Transformers 
? Differential relays are used for protection of large transformers and CT are always 
connected in configuration opposite to power transformer. 
Example: 1) If power transformer is Y ?? then CT is Y ?? 
               : 2) If power transformer is ? ? ? then CT is YY ? 
? Buccholz relay used to prevent any incipient fault below oil level in a transformer of small 
KVA. 
Read More
69 docs

Top Courses for Electrical Engineering (EE)

69 docs
Download as PDF
Explore Courses for Electrical Engineering (EE) exam

Top Courses for Electrical Engineering (EE)

Signup for Free!
Signup to see your scores go up within 7 days! Learn & Practice with 1000+ FREE Notes, Videos & Tests.
10M+ students study on EduRev
Related Searches

Free

,

MCQs

,

Sample Paper

,

ppt

,

Short Notes: Power System Protection | Short Notes for Electrical Engineering - Electrical Engineering (EE)

,

practice quizzes

,

shortcuts and tricks

,

Summary

,

mock tests for examination

,

video lectures

,

Semester Notes

,

Exam

,

Previous Year Questions with Solutions

,

Viva Questions

,

pdf

,

Objective type Questions

,

study material

,

past year papers

,

Short Notes: Power System Protection | Short Notes for Electrical Engineering - Electrical Engineering (EE)

,

Short Notes: Power System Protection | Short Notes for Electrical Engineering - Electrical Engineering (EE)

,

Important questions

,

Extra Questions

;