NPTEL - Digital Protection of Power System
offered by IIT Roorkee

Public/Government Institute
Estd. 1847

Digital Protection of Power System
at
IIT Roorkee
Overview

Enroll in this course to learn critical principles of digital relays through different modules

Duration	8 weeks
Mode of learning	Online
Credential	Certificate

Digital Protection of Power System
at
IIT Roorkee
Highlights

Earn a E- certificate of completion from IIT Roorkee

Digital Protection of Power System
at
IIT Roorkee
Course details

Skills you will learn

Networking C Software Testing

Who should do this course?

For Post graduate students of all IITs, NITs, State Colleges, deemed universities and affiliated colleges

More about this course

This course give a comprehensive up-to-date presentation of the fundamentals of digital relays, concept of digital signal processing used in digital relays and various algorithms utilized in digital/numerical relays
Course begins with a state-of-the-art survey of theories and methods of digital/numeric relays and phasor measurement units (PMUs) along with IEC 61850 substation and automation protocols
Course provides a theoretical summary along with examples of real-life engineering applications to a variety of technical problems such as load shedding and frequency relaying, reclosing and synchronizing, protection issues due to interconnection of distributed energy resources in the grid and digital protection of various electrical apparatus such as generator, transformer, transmission lines etc
Covers analytical techniques used in digital relays and application of PMUs in easily comprehensible manners so that academicians and particularly new beginners would not find any difficulty

Digital Protection of Power System
at
IIT Roorkee
Curriculum

Week 1

Introduction of digital relays

Fundamentals of digital relays

Basic layout and elements of the digital relays with visual illustration

The concept of sampling and aliasing for digital relays

Sliding window concept of digital relays

Week 2

Estimation of phasors using Full-cycle Discrete Fourier Transform (DFT)

Estimation of phasors using Half-cycle DFT and introduction of Discrete Cosine Transform

Estimation of phasors using Walsh function technique and Least Error Square technique

Estimation of frequency in digital relays and practical considerations for selection of various algorithms

Digital Differential Protection of Generator, Induction motors and Busbar

Week 3

Digital Differential Protection of Transformers

Digital Directional/Non-directional Overcurrent and Earth fault relays

Overcurrent relay coordination in an interconnected power system network: LINKNET structure and determination of primary/backup relay pairs

Overcurrent relay coordination in an interconnected power system network: Example; Problems faced by digital distance relays

Week 4: Computation of direction and impedance for digital distance relays

Power swing detection and blocking technique in digital distance Relays

Protection of double-circuit transmission line using digital distance relays

Protection of multi-terminal transmission line using digital distance relays

Protection of series compensated transmission line using digital distance relays: Basic components

Week 5

Protection of Series compensated transmission line using digital distance relays: Voltage/current inversion and sub-synchronous oscillations and additional transients

Load shedding and Frequency relaying: Various load shedding techniques and frequency relays

Load shedding and Frequency relaying: Factors to be considered and rate of frequency decline

Islanding phenomena: Hazards and risk of islanding and methods of islanding

Loss of existing protection coordination among protective devices: Recloser-Fuse coordination for DG interfaced Distribution network

Week 6: Hardware-in-loop testing of an islanding detection technique

Protection of dc microgrid: Review and challenges

AC microgrid protection: Problems and solutions

Insight in to hybrid ac-dc microgrid protection

Application of travelling wave (TW) and wavelet transform (WT) based algorithm

Week 7

Application of artificial intelligence (AI) in digital relaying

Introduction to Phasor Measurement Unit (PMU)

Introduction of IEEE C37.118 standard

Wide area monitoring, control and protection using PMU

Introduction to IEC 61850 standard for substation automation and relay interoperability: Part-1

Week 8

Introduction to IEC 61850 standard for substation automation and relay interoperability: Part-2

Introduction to IEC 61850 standard for substation automation and relay interoperability: Part-3

Protection of High voltage dc transmission network

Various cyber-attacks at substation/transmission level for Indian power grid network

Basic concept and application of control switching

Digital Protection of Power System
at
IIT Roorkee
Faculty details

Prof. Bhaveshkumar R. Bhalja

Dr. Bhaveshkumar R. Bhalja is working as a Professor, Department of Electrical Engineering, Indian Institute of Technology (IIT) Roorkee, Roorkee, India. He has a teaching experience of more than 20 years. He has published more than 150 papers in journals at international and national levels.