Characteristics of distance protection

  • Thread starter Thread starter vipse
  • Start date Start date
  • Tags Tags
    Protection
Click For Summary

Discussion Overview

The discussion revolves around characteristics of distance protection in electrical systems, particularly in the context of fault conditions, including single phase-to-earth faults and communication losses during such events. The scope includes theoretical aspects and practical implications of distance protection methods.

Discussion Character

  • Homework-related
  • Conceptual clarification

Main Points Raised

  • One participant inquires about the influence of various methods on fault current system voltages during a single phase-to-earth fault.
  • Another question addresses the implications of losing communication during a fault condition.
  • A comparison is sought regarding the effects of communication loss on an opposed voltage scheme during a fault.
  • The participant requests a discussion on the characteristics of distance protection and its advantages over other methods.
  • Responses emphasize the importance of showing work on homework questions and understanding the context of the inquiries.

Areas of Agreement / Disagreement

Participants generally agree on the need for the original poster to provide context and show their work, but there is no consensus on the specific answers to the questions posed.

Contextual Notes

The discussion lacks specific definitions of the methods referenced in the questions, and the assumptions underlying the inquiries about fault conditions and communication losses remain unclear.

vipse
Messages
3
Reaction score
0
hi there I am have 4 simple question please help me

1.In the event of single phase – to – Earth fault how does each of these methods influence the fault current system voltages

2.What would happen in the event of loss of communications during a fault condition?

3.How would this compares to a loss of communications on an opposed voltage scheme during fault?

4.Discuss the characteristics of distance protection and describe how this form of protection would largely overcome the disadvantage identified in (a).

thank you
 
Last edited:
Physics news on Phys.org


You are required to show your work on homework/coursework questions. What are your thoughts on these questions?
 


berkeman said:
You are required to show your work on homework/coursework questions. What are your thoughts on these questions?

you can help me?
 


vipse said:
you can help me?

I *am* trying to help you. You will learn nothing if we do your homework for you. That's why we have the PF Homework Help Rules here. You show us the relevant equations, and show us your attempts on each of the questions, and then we can offer hints and tutorial help. You do the work.

So, first explain what "ach of these methods" is -- what is the context for these questions? What is the name of the course that you are taking? What have you learned so far about ground faults, about how GFCIs work, and so on? What can you tell us about each of the questions you've listed?
 

Similar threads

Do Settingless Relays truly improve Protection Ideas?
  • · Replies 4 ·
Replies
4
Views
2K
Design Calculation and Sizing of a 500KVA Transformer
  • · Replies 1 ·
Replies
1
Views
5K
Inability of Earth fault protection system
  • · Replies 3 ·
Replies
3
Views
10K
Impedance of a 5kW generator (synchronous single phase)
  • · Replies 3 ·
Replies
3
Views
2K
3CR12 Steel for Power Transformer
  • · Replies 1 ·
Replies
1
Views
1K
LV Harmonic Filters for Utility Customer's Power Outages?
  • · Replies 16 ·
Replies
16
Views
4K
Novice question about Relays, Capacitors, and Diodes
  • · Replies 5 ·
Replies
5
Views
5K
Comparing TTL and CMOS Gate Characteristics
  • · Replies 7 ·
Replies
7
Views
5K
What method is more accurate to find the turns ratio?
  • · Replies 7 ·
Replies
7
Views
14K
Are integrated CTs any different from CTs in clamp meters?
  • · Replies 23 ·
Replies
23
Views
3K