Ultimate Electrical Power Protection, Control & Switchgear

Your Complete guide in industrial power system protection for switchgears and substations- from Beginner to Expert Level

Created by: Amr Saleh
Lecturer Assistant, Electrical Engineer, and Researcher

What Will I Learn?

• Why we need the protection system ?
• Know different Protection System Elements
• Understand trip circuit connection
• Differentiate between primary and backup protection
• Different Methods of Back up Protection
• Understand Zones of Protection
• Applications on Protection Zones of Real Power Systems
• Differentiate between protective system and protective scheme
• Understand the meaning and causes of short circuit faults
• Types of Electric Faults
• Establishment of S.C Current and Waveform
• Realize Consequences of Short Circuit Faults
• Understand Operation & Function of Protective Relays
• How to Adjust Relay Settings
• Understand Required qualities of Protective Relay
• Types of Relays According to Function
• Types of Relays According to Time C/C’s
• Complete understanding of Electromechanical Relays
• Understand Static Relays
• Understand digital advanced Relays
• Function & Construction of CT & VT
• Learn Equivalent circuit & Burden of CT & VT
• Know about Types of CTs used in electrical installations
• Complete Understanding of Saturation of CT
• Specifications of CT & VT used for Protection
• Specifications of CT & VT used for measurement
• Example of Current Transformer Rating Plate
• Defferentiate between CT &VT
• Understand Overcurrent Protection
• Learn How to Adjust The Overcurrent Relay Setting
• Primary Requirements of Overcurrent Protection
• Complete Understanding of Directional Over Current Protection
• Practical application of directional overcurrent Protection
• Importance of Earthing in electric network
• Understand Earth Fault Protection
• Learn Different Earthing Systems in LV
• Learn Different Earthing Systems in MV
• Understand Circulation of Earth Fault Current
• How to Adjust Earth fault Relay settings
• Understand Directional Earth Fault Protection
• Understand principle of directional protection
• Difficulties in Differential Protection and solutions
• Learn Percentage (Biased) Differential Relay
• Voltage Balance Differential Relay
• Why We Need Distance Protection ??
• Understand Concept of Distance Protection
• Universal Relay Torque Equation and Its Applications
• Learn Impedance (Plain) Distance Relay
• Understand Reactance Relay
• Understand Mho Relay
• Differentiate between Overreach & Underreach in Distance Protection
• Learn Stepped Distance Protection and Its Settings
• Differentiate between Different Switching Devices
• Understand Working of Circuit Breaker
• Arc Phenomena in Circuit Breaker
• Methods of Arc Interruption in C.B
• Understand Restriking Voltage & Recovery Voltage
• Learn About Circuit Breaker Ratings
• Discuss Large Oil Circuit Breaker
• Illustrate Operation of Minimum Oil Circuit Breaker
• Learn Air blast Circuit Breaker
• Analyze Operation of Vacuum Circuit Breaker
• Understand SF6 Circuit Breaker
• Learn Thermal Overload Protection
• Discuss Excessive Start-Up Time &Locked Rotor Protection
• Under Current Protection
• Understand Over & Under Voltage Protection
• Learn Over & Under Frequency Protection
• Understand Overall Earth Fault Protection

Requirements

• Passion to learn electric protection from A to Z
• The basic electrical principles

Target audience

• Anyone who wants to learn electric protection and control from scratch
• Electrical Engineering Students
• Electrical Engineering Graduates
• Electrical Engineers who work in the field of substations and switchgears
• Electrical Control Engineers
• Electricians
• Power/Utility Engineer