SIEMENS SIPROTEC 05 7SJ [Feeder Protection Relay Testing]

What you'll learn

Understand the Protection System

Requirements

Diagnose and prevent critical commissioning mistakes that impact grid stability and system reliability.
Feeder Protection Theory.
Overcurrent Protection
Earth Fault Protection
Circuit Breaker Failure
The IEC Inverse Characteristics Equations.
Simulation by Secondary Injection of Overcurrent (50/51) Protection.
Simulation by Secondary Injection of Earth fault (50N/51N) Protection.
Simulation by Secondary Injection of Under Voltage Protection.
Simulation by Secondary Injection of Overvoltage Protection.
Simulation by Secondary Injection of Circuit Breaker Failure Protection.
Simulation by Secondary Injection of Under Voltage Protection.
Disturbance Records Extracting, Comprehending and Analyzing
Relay Configuration
CFC Chart

Requirements

Electrical Engineering Principles
Protection Principles

Description

By the end of this course, you will have the deep knowledge and high practical skills required to confidently work with Siemens SIPROTEC 5 (7SJ) feeder protection relays in real-world substation protection.
You will start by understanding the structure and functionality of modern numerical relays, followed by a solid foundation in feeder protection theory. This includes mastering essential protection functions such as overcurrent (50/51) and earth fault (50N/51N) protection, along with under-voltage protection schemes used in power systems.
The course will also guide you through circuit breaker failure protection, helping you understand its importance in ensuring system reliability and fault isolation. In addition, you will learn how to read and apply IEC inverse time characteristics, enabling proper coordination between protection devices.
On the practical side, you will gain hands-on insight into relay parameterization and configuration, as well as performing secondary injection testing to simulate real fault conditions. This will help you bridge the gap between theory and field application.
Finally, you will develop the ability to extract, analyze, and interpret disturbance records, allowing you to diagnose faults and improve system performance like an experienced protection engineer. Safety practices during inspection and maintenance are also covered to ensure professional and secure field operations.

Who this course is for

Protection Engineers for Deeply Technical Discussions and Ability for Full Relays Configuration and Testing

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