Electrical Protection

INTRODUCTION
• Introduction to power system protection
• Introduction to Power Systems
• Power System and Power System Protection Calculations
• Symmetrical Component Methods
• Use of Software Systems for Fault Calculations
• Protection Technologies
• Instrument Transformers
• Circuit Breakers
• Protection of Power Transformers
• Protection Through High Degree of Renewable Energy Sources
ELEMENTS OF PROTECTION
• Distance Protection
• Protection of HVDC Networks
• Protection of Power Cables and Lines
• Protection of Substations
• Protection of Motors
• Protection of Generators
• Arc Flash Studies
• Frequency and Voltage Protection
• Special Protection Functions
• Wide Arc Protection
• Testing of Power System Protections
• Trends in Power System Protection
TYPES OF ELECTRICAL PROTECTION DEVICES AND FAULTS
• Importance of Electrical Protection and Control Devices
• Types of Electrical Faults
• Active, Incipient, Passive, Transient, Asymmetrical
• Phase & Earth Faults
• Traits of High Voltage Fuses for Electrical Protection
• Attributes of Circuit Breakers for Electrical Protection
• Microprocessor Overcurrent Relays
• Time, Current, Curves and Logic Discrimination
• Hot and Cold Tripping Curves
• LV Switchboard Protection against Short Circuit
PROTECTION FUNCTIONS AND INSTRUMENT TRANSFORMERS
• Power System Architecture
• Protection Functions
• Selective Coordination
• Lockout and anti-pumping relays
• Sensors
• Current and Voltage Instrument Transformers
• Types of Relays
• Numerical Relays and Functions
BUSBAR, TRANSFORMER AND MOTOR PROTECTION SYSTEMS
• Busbar Protection
• Transformer Protection
• Motor Protection
• Capacitor Protection
• Overhead Line Protection
• Type of Related Faults
• Relevant Protection Functions
• Protection Device Coordination
SIMPLE CALCULATION OF SHORT CIRCUIT CURRENTS
• Revision of Simple Formulae
• Short Circuit MVA & Fault Current Calculations
• Examples & Case Studies
SYSTEM EARTHING
• Solid, Impedance, Touch Potentials
• Effect of Electric Shock
• Earth Leakage Protection
GROUNDING SYSTEMS AND EARTH FAULT PROTECTION
• Overcurrent Protection for Phase and Earth Faults
• Unit Protection Schemes
• Distance Protection
• Protection of Feeders Versus Overload and Short Circuit
• Types of Grounding System
• Restricted Earth Fault Protection
• Sensitive Earth Fault Protection
• Protection against Over-voltages
METHODS OF COMMISSIONING RELAYS, SHORT CIRCUIT CURRENT CALCULATION AND HARMONICS
• Commissioning of Protective Relays
• Calculation of Short Circuit Current
• Fault Topologies
• Short Circuit Current at Fault Point
• Positive, Negative and Zero Sequence Systems
• Triple Harmonics Effects and Mitigation Techniques
PRACTICAL DEMONSTRATIONS AND SESSIONS
• Including Simple Fault Calculations and Relay Settings
• Co-Ordination by Time Grading
• Problems in Applying IDMT Relays

1ST BATCH: Tuesday, January 20, 2026 — Friday, January 23, 2026.

2ND BATCH: Tuesday, May 12, 2026 — Friday, May 15, 2026.

3RD BATCH: Tuesday, September 8, 2026 — Friday, September 11, 2026.

The training methodology integrates lectures, interactive discussions, collaborative group exercises, and
illustrative examples. Participants will acquire a blend of theoretical insights and hands-on practical
experience, emphasizing the application of learned techniques. This approach ensures that attendees return
to their professional environments equipped with both the competence and self-assurance to effectively
implement the acquired skills in their responsibilities.