Which of the following features is NOT desirable while protecting a transmission line?

Question 1

Which of the following features is NOT desirable while protecting a transmission line?
1. Independent phase relaying, etc.
2. Simultaneous reclosure
3. Discrimination between external and internal faults
4. Multiple pole switching

Question 2

Correct Answer - Option 4 : Multiple pole switching

Desirable features while protecting a transmission line:

Reliability
Zones of protection
Relay speed (Instantaneous, Time delay, High speed, Ultra high speed)
Independent phase relaying
Primary and backup protection (Remote backup protection, Local backup protection)
Reclosing (Simultaneous reclosure)
System configuration (Operating voltage, Line length)
Discrimination between external and internal faults

'Multiple pole switching' is NOT desirable while protecting a transmission line.

ShreeHarpale · Answer 1 · 2022-03-02T17:19:11+0000

Correct Answer - Option 4 : Multiple pole switching

Desirable features while protecting a transmission line:

Reliability
Zones of protection
Relay speed (Instantaneous, Time delay, High speed, Ultra high speed)
Independent phase relaying
Primary and backup protection (Remote backup protection, Local backup protection)
Reclosing (Simultaneous reclosure)
System configuration (Operating voltage, Line length)
Discrimination between external and internal faults

'Multiple pole switching' is NOT desirable while protecting a transmission line.

Which of the following features is NOT desirable while protecting a transmission line?

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