Learn 132kV Line Protection Setting and Calculations

[LeeAndro]

Published 08/2022MP4 | Video: h264, 1280x720 | Audio: AAC, 44.1 KHz, 2 ChGenre: eLearning | Language: English + srt | Duration: 18 lectures (1h 48m) | Size: 694.8 MB

Real Relay settings example
Basic concepts of Distance Protection Relays
What are zones & how to set them
Zone calculations
What is difference between primary and secondary values
Transformation factor
Selectivity
settings of zone
Loss of potential, VT MCB trip & distance blocking
Load encroachment
Power swing blocking, out of step tripping, stable and unstable power swing
Switch on to fault, seal in

No prior experience is needed.​

Dear All,

Distance protection relay is one of the most important and artistic. A distance relay is a type of protection relay most often used for transmission line protection. Distance relays measure the impedance from the installation side to the fault location and operates in response to changes in the ratio of measured current and voltage.

Distance protection schemes are commonly employed for providing the primary or main protection and backup protection for AC transmission line and distribution line against three-phase faults, phase-to-phase faults, and phase-to-ground faults.

I have field experience of 18 years and I have prepare this course based on practical experience. Following topics are covered in this course.

Single Line Diagram of Substation

Course will start with explanation of single line diagram of substation

Understand substation configuration

Getting required data of transmission line

How line impedance is gathered

Selection of adjacent line, shortest & longest

How to set zone reaches for Z1,Z2 & Z3

Current and voltage transformers

Primary and secondary values

What is transformation factor & how to calculate it

Positive and zero sequence impedances

Phase to ground compensation factor

How to calculate Ko for composite lines

What is Line angle and load angle

What is line impedance

How to select relay characteristics Mho or Quad

How to do Zone 1, 2 & 3 calculations

How to set non-homogeneous angle

What is load encroachment and how to avoid it

Power swing blocking

Out of step tripping

Stable and unstable power swing

Switch on to fault

Seal in

Loss of potential

Best Regards

Any one eager to learn

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