It looks at power system faults and protection scheme requirements for the discovery and managed the dismissal of these faults. It also discusses protection systems from a practical perspective and includes important functional aspects such as testing and coordination of protection systems. The course is specifically designed for industries and utility corporations who depend on proper system protection for operational efficiency.

Upon completing this Modern Power System Analysis and Protective Relaying course successfully, participants will be able to:

• Learn operational principles and types of electrical protection
• Study the design of different types or relays
• Select appropriate protection relays and other related devices
• Develop and analyse typical power systems and their associated protection systems
• Develop design of protection schemes
• Analyse numerical relay protection for generators, transformers, motors, and  transmission lines
• Establish communication between protection devices and controllers
• Identify the motor’s faults and how to protect it from hazards
• Determine fault levels and loadings of feeders and branches

• Electrical engineers , supervisors and technicians

This interactive Training will be highly interactive, with opportunities to advance your opinions and ideas and will include:

• Lectures
• Workshop & Work Presentation
• Case Studies and Practical Exercise
• Videos and General Discussions

Power System And Electrical Equipment Introduction

• Electrical engineering basic concepts
• Three phase power system
• Voltage levels (low / medium / high)
• One line and three-line diagram
• Generation system layout
• Transmission system layout
• Substation system layout
• Distribution system layout
• Industrial switch gears
• Switchgear and protection functions

Electrical Power System Faults

• Different types of faults
• Incidence of faults on power system equipment
• Effects of power system faults
• Magnitude of fault current
• Calculation of short circuit current
• Positive, negative and zero sequence systems
• Detection of faults
• Clearance of faults
• Requirements of protective relaying systems
• Electrical equipment damage curves

Coordination Of Electrical Protection Systems

• Circuit breaker to fuse
• Fuse to circuit breaker
• Computer software packages for protection coordination studies
• Auto-reclosing of circuit breakers
• Back-up protection
• Limitation of fault current
• Selective zones of protection

Components Of Power System Protection Schemes

• Fault detecting relays historical
• Tripping relays and other auxiliary relays
• Circuit breakers
• Microprocessor-based relays
• Modern protective relaying case studies
• Various types of CTs, VTs & CVTs
• Theory and characteristics of CTs
• Application requirements of CTs for protective relaying
• Accuracy classifications
• Testing of CTs and VTs

Motor Protection, Starting And Control

• Applicable motor standards
• Methods of starting
• Differential protection, phase unbalance, overcurrent
• Ground fault protection
• Microprocessor-based motor control and protection devices

 Protective Devices And Earthing Systems

• Protection zones and time-current characteristics curves
• Fuse types, applications, selection and coordination
• Digital and numerical relay functionalities
• Ungrounded vs. grounded systems

Transmission Line Protection

• Distance or impedance protection schemes
• Phase comparison protection schemes
• Communication channel requirements between terminals
• Coordination and transfer-tripping between terminals

Busbar Protection And Distance Protection For Overhead Lines

• Digital busbar protection schemes
• Busbar high impedance protection
• Frame leakage protection
• Line distance protection
• Line differential protection

Feeder Overcurrent And Earth Fault Protection 

• Merits and characteristics of feeder protection
• IDMT O/C & E/F protection
• Definite Time (DT) protection
• High-set instantaneous protection
• Transient overreach
• Relay settings

Transformer Digital And Differential Protection

• Transformer protection
• Transformer unit protection
• Buchholz and pressure relief operations
• Transformer differential protection complexities & solutions
• Unit and non-unit transformer protection
• Digital transformer protection system

Capacitor Protection

• Application of static capacitors on power systems
• Description of protection schemes used
• Testing of capacitor protection schemes
• Microprocessor-based capacitor protection and controls relay

Generator Protection

• Over-frequency, underfrequency, overvoltage, undervoltage
• Negative phase sequence or phase unbalance
• Voltage controlled and voltage restricted overcurrent protection
• Synchronising systems, synchro-check relays
• Comparison of electro-mechanical and electronic relays
• Testing of generator protection schemes
• Microprocessor-based multi-function generator protection relays
• Interpretation of generator capability curve

Directional Protection And Capability Curve

• Faults and protection features
• Protection overview
• Differential protection
• Overall protection
• Full protection with numerical relays

Latest Developments And Future Trends In Protective Relaying

• Digital relays
• Integrated microprocessor-based systems for protective relaying
• Optical current transformers
• Fibre optic communications

RECTUS attendance certificate will be issued to all attendees completing minimum of 80% of the total course duration