Technical Programs

Distance Protection


 In the first session of the program, we will discuss the basic measurement principle and construction of the distance protection. Distance protection is a complex protection and basic understanding of the protection makes the user extremely comfortable in working with this complex protection. This 2- hour webinar provides a good insight on the construction of the distance protection and some basic application criteria. This webinar will enable the protection engineers to feel extremely comfortable with the complex protection. Understanding the complexity of the protection increases system reliability and increases the productivity of the test engineers.


In the second 2-hour session we will concentrate mainly of testing and protection evaluation aspect. The meaningful testing of the complex digital protection will be discussed using the commercially available power system simulators. Use of ComTrade data in protection evaluation will be discussed in detail.

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What you will learn from this program:

Understand the basic principle of distance protection and simple application criteria

Enable protection engineers to choose the most appropriate pilot scheme protection

Improve the understanding of complex protection make them feel comfortable to work with complex digital protection

How to effectively test the complex digital protection easily and in a simple meaningful way

Module 1

Objectives of the program

To learn and understand the principles distance relays and how to protect a line from fault depending upon the distance of fault and distance relay is installed

Learning outcomes per topic

To be able to plot or layout a distance protection relay in a predetermined value of voltage to current

Topics to be discussed

Introduction to Distance Protection Design

Module 2

Objectives of the program

To learn Pilot schemes simultaneously measure and monitor system parameters at all terminals of a transmission line, local and remote, and then respond according to their predetermined functions

Learning outcomes per topic

To be able to use of a communications channel that may be provided through pilot wires, microwave, fiber, or power line carrier

Topics to be discussed

Pilot Communication Schemes

Module 3

Objectives of the program

To learn how distance protection relay are being tested by following the manufacturer’s manual

Learning outcomes per topic

To be able to conduct simple test procedures to ascertain the distance relay is conducting its function to protect the line

Topics to be discussed

Testing Consideration

Module 4

Objectives of the program

To learn how to use COMTRADE records that have been captured by the relay and recorded during actual system events

Learning outcomes per topic

To be able to demonstrate how to use COMTRADE records to commission protective relays. COMTRADE records that have been captured by numerical relays and digital fault records during actual system events are of particular interest since these provide the ability to test protection for critical faults or disturbances such as an out of-step condition that are difficult to create using off the shelf test set software. Utilities and other customers can build a library of test cases.

Topics to be discussed

Using ComTrade data for event analysis

This program is for:

Electrical Engineers

Mechanical Engineers

Engineering Students

Electrical Technicians

This program is accredited by:

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    In the first session of the program, we will discuss the basic measurement principle and construction of the distance protection. Distance protection is a complex protection and basic understanding of the protection makes the user extremely comfortable in working with this complex protection. This 2- hour webinar provides a good insight on the construction of the distance protection and some basic application criteria. This webinar will enable the protection engineers to feel extremely comfortable with the complex protection. Understanding the complexity of the protection increases system reliability and increases the productivity of the test engineers. 


    In the second 2-hour session we will concentrate mainly of testing and protection evaluation aspect. The meaningful testing of the complex digital protection will be discussed using the commercially available power system simulators. 


    Use of ComTrade data in protection evaluation will be discussed in detail. Learn more here.

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