Non-Directional and Directional Overcurrent Protection

Non-Directional and Directional Overcurrent Protection Concept, including Overcurrent Relay Coordination

Ratings 4.36 / 5.00

What You Will Learn!

• Understanding Overcurrent Protection Fundamentals.
• Learn about Numerical Overcurrent Relays.
• Learn about Definite Time/Inverse Non-Directional Phase Overcurrent Protection (51P).
• Learn about Instantaneous Non-Directional Phase Overcurrent Protection (50P).
• Learn about Overcurrent Non-Directional Earth Fault Protection (50N and 51N).
• Learn about Short-Circuit Power Method for short-Circuit Current Calculations.
• Explain How to Make Overcurrent Relay Coordination Calculations for Different Types of Feeders.
• Learn about Numerical Directional Power Relay (32).
• Learn about Numerical Directional Overcurrent Relay (67) (Low Stage (67>) and High Stage (67>>).
• Learn About Different Polarization Quantities, Including Self-Polarizing Voltage, and Cross-Polarizing Voltages, Positive Sequence Voltages
• ABB Relay (REF615) Example for Understanding Operation Concept of Directional Element.
• Learn about Numerical Directional Earth Fault Relay (67N)
• Solving Practical Examples: Relay Settings and Coordination of Outgoing Auxiliary Transformer Feeder (Downstream) with Incoming Feeder (Upstream).
• Solving Practical Examples: Relay Settings and Coordination of Outgoing motor Feeder with Incoming Feeder
• Solving Practical Examples: Relay Settings and Coordination of Outgoing Cable Feeder with Incoming Feeder.
• Solving Practical Examples: Relay Settings and Coordination of System with Parallel Source Feeders.
• Solving Practical Examples: Relay Settings and Coordination of Ring System.

Description

Overcurrent protection is one of the most utilized functions for protection of different elements in power networks, such as auxiliary and power transformer feeders, motor feeders, cable feeders, and transmission systems.

Hello there,

· If the topic “Non-Directional and Directional Overcurrent Protection” confuses your mind and you want to master it, this course is suitable for you.

· If you want to start your career in power system protection, this course is suitable for you.

· If you want to learn about fundamentals of power system protection, this course is suitable for you.

· If you love protection of power system.

Our course is structured as follows:

1. Discuss Basics of Numerical Relays.

2. Discuss Basics of Numerical Non-Directional Overcurrent Relays.

Understand Definite Time/Inverse Non-Directional Phase Overcurrent Protection (51P).
Understand Instantaneous Non-Directional Phase Overcurrent Protection (50P).
Understand Overcurrent Non-Directional Earth Fault Protection (50N and 51N).
Discuss Short-Circuit Power Method for short-Circuit Current Calculations.
Make Overcurrent Relay Coordination Calculations for Different Types of Feeders.
Perform Relay Settings and Coordination of Outgoing Auxiliary Transformer Feeder (Downstream) with Incoming Feeder (Upstream).
Perform Relay Settings and Coordination of Outgoing motor Feeder with Incoming Feeder
Perform Relay Settings and Coordination of Outgoing Cable Feeder with Incoming Feeder.
Understand Numerical Directional Power Relay (32).
Understand Numerical Directional Overcurrent Relay (67).
Understand Different Polarization Quantities.
Understand Operation Concept of Directional Element.
Understand Numerical Directional Earth Fault Relay (67N)
Perform Relay Settings and Coordination of System with Parallel Source Feeders.
Perform Relay Settings and Coordination of Ring System.