Tamalika Chowdhury Ph.D (Engg.) is an Assistant Professor in Jain College of Engineering, Belagavi. She has been a research scholar in the Department of Electrical Engineering, Indian Institute of Engineering Science & Technology (IIEST), Shibpur (Formerly BE College Shibpur) Howrah, West Bengal, India. She has pursued Ph.D program under UGC-BSR Fellowship. She received her B.Tech and M.Tech degree in Electrical Engineering from West Bengal University of Technology (WBUT). Her research area includes Power Grid, Power system vulnerability, Manifestation of Renewable Energy based Distributed Generation in power system, Assessment of power grid resilience using Complex Network Theory.Abhijit Chakrabarti, Ph.D. (Tech) is Professor of Electrical Engineering in Indian Institute of Engineering Science and Technology, Shibpur. He is the former Head of the Department, Electrical Engineering, IIEST Shibpur and former Vice- Chancellor of Jadavpur University. He is also the former Vice Chairman of West Bengal State Council of Higher Education, Government of West Bengal. He has published 132 research papers in peer reviewed international and national journals as well as in conferences. He has authored 17 books in electrical engineering. He is a member of EEAC of National Board of Accreditation, Government of India as well as visiting member of IET, UK in accreditation process of ADAMS, UK. He has visited foreign countries like Japan, USA and UK. He is a fellow of the Institution of Engineers, India and member of IET, UK. Professor Chakrabarti received many awards and medals for is research in the field of power system engineering. He is member of different boards and committees in universities in India and expert member in numerous technical and standing committees. He has active interest in research related to Power System Engineering, Electrical Machines, Power Electronics and Electric Circuits.C.K. Chanda is working as a Professor in the Department of Electrical Engineering, IIEST, Shibpur, India. He has earned Ph.D. degree from the Department of Electrical Engineering, B.E. College (DU), Shibpur, India with specialization in Power Systems. Dr. C. K. Chanda has over 31 years of teaching and research experience in the diverse field of Power Systems Engineering and almost 5 years’ experience in industry. His areas of interest include Smart Grid, Resiliency, Stability and Renewable Energy etc. He is a recipient of Tata Rao Gold Medal. He is actively involved in various research projects funded by Centrally Funded Organizations like DST, UGC. He has published 150 research articles in reputed National/International journals and conferences including 45 research papers in SCI /SCOPUS -indexed journals. He is a member of the Editorial Board and Guest Editor of numerous reputed Journals. He has authored and co-authored four (4) books in reputed publishing houses like Mc Graw Hill, PHI etc. He has contributed five (5) book chapters in International Proceedings. Ten (10) research scholars have got their Ph. D. degree under the supervision of Dr. Chanda. He has visited different foreign countries including USA, UK, Australia, Japan, and China for academic purposes. He is a senior member of IEEE(USA), member of IET(UK), Fellow of Institution of Engineers (I), C-Engineering(I) and Life-member of ISTE.

• 1. Introduction. 2. Traditional approach in analysis of faults in power system. 3. Contingency Analysis. 4. Fundamental concepts of Complex Network Theory 5. Vulnerability Assessment of Power Transmission Network. 6. Analysis of Cascading Failure and Islanding in Grid Network. 7. Assessment of Resilience in Power Transmission Network. 8. Effect of Distributed Energy Sources.

Tamalika Chowdhury Ph.D (Engg.) is an Assistant Professor in Jain College of Engineering, Belagavi. She has been a research scholar in the Department of Electrical Engineering, Indian Institute of Engineering Science & Technology (IIEST), Shibpur (Formerly BE College Shibpur) Howrah, West Bengal, India. She has pursued Ph.D program under UGC-BSR Fellowship. She received her B.Tech and M.Tech degree in Electrical Engineering from West Bengal University of Technology (WBUT). Her research area includes Power Grid, Power system vulnerability, Manifestation of Renewable Energy based Distributed Generation in power system, Assessment of power grid resilience using Complex Network Theory.Abhijit Chakrabarti, Ph.D. (Tech) is Professor of Electrical Engineering in Indian Institute of Engineering Science and Technology, Shibpur. He is the former Head of the Department, Electrical Engineering, IIEST Shibpur and former Vice- Chancellor of Jadavpur University. He is also the former Vice Chairman of West Bengal State Council of Higher Education, Government of West Bengal. He has published 132 research papers in peer reviewed international and national journals as well as in conferences. He has authored 17 books in electrical engineering. He is a member of EEAC of National Board of Accreditation, Government of India as well as visiting member of IET, UK in accreditation process of ADAMS, UK. He has visited foreign countries like Japan, USA and UK. He is a fellow of the Institution of Engineers, India and member of IET, UK. Professor Chakrabarti received many awards and medals for is research in the field of power system engineering. He is member of different boards and committees in universities in India and expert member in numerous technical and standing committees. He has active interest in research related to Power System Engineering, Electrical Machines, Power Electronics and Electric Circuits.C.K. Chanda is working as a Professor in the Department of Electrical Engineering, IIEST, Shibpur, India. He has earned Ph.D. degree from the Department of Electrical Engineering, B.E. College (DU), Shibpur, India with specialization in Power Systems. Dr. C. K. Chanda has over 31 years of teaching and research experience in the diverse field of Power Systems Engineering and almost 5 years’ experience in industry. His areas of interest include Smart Grid, Resiliency, Stability and Renewable Energy etc. He is a recipient of Tata Rao Gold Medal. He is actively involved in various research projects funded by Centrally Funded Organizations like DST, UGC. He has published 150 research articles in reputed National/International journals and conferences including 45 research papers in SCI /SCOPUS -indexed journals. He is a member of the Editorial Board and Guest Editor of numerous reputed Journals. He has authored and co-authored four (4) books in reputed publishing houses like Mc Graw Hill, PHI etc. He has contributed five (5) book chapters in International Proceedings. Ten (10) research scholars have got their Ph. D. degree under the supervision of Dr. Chanda. He has visited different foreign countries including USA, UK, Australia, Japan, and China for academic purposes. He is a senior member of IEEE(USA), member of IET(UK), Fellow of Institution of Engineers (I), C-Engineering(I) and Life-member of ISTE.

• 1. Introduction. 2. Traditional approach in analysis of faults in power system. 3. Contingency Analysis. 4. Fundamental concepts of Complex Network Theory 5. Vulnerability Assessment of Power Transmission Network. 6. Analysis of Cascading Failure and Islanding in Grid Network. 7. Assessment of Resilience in Power Transmission Network. 8. Effect of Distributed Energy Sources.

Tamalika Chowdhury Ph.D (Engg.) is an Assistant Professor in Jain College of Engineering, Belagavi. She has been a research scholar in the Department of Electrical Engineering, Indian Institute of Engineering Science & Technology (IIEST), Shibpur (Formerly BE College Shibpur) Howrah, West Bengal, India. She has pursued Ph.D program under UGC-BSR Fellowship. She received her B.Tech and M.Tech degree in Electrical Engineering from West Bengal University of Technology (WBUT). Her research area includes Power Grid, Power system vulnerability, Manifestation of Renewable Energy based Distributed Generation in power system, Assessment of power grid resilience using Complex Network Theory.Abhijit Chakrabarti, Ph.D. (Tech) is Professor of Electrical Engineering in Indian Institute of Engineering Science and Technology, Shibpur. He is the former Head of the Department, Electrical Engineering, IIEST Shibpur and former Vice- Chancellor of Jadavpur University. He is also the former Vice Chairman of West Bengal State Council of Higher Education, Government of West Bengal. He has published 132 research papers in peer reviewed international and national journals as well as in conferences. He has authored 17 books in electrical engineering. He is a member of EEAC of National Board of Accreditation, Government of India as well as visiting member of IET, UK in accreditation process of ADAMS, UK. He has visited foreign countries like Japan, USA and UK. He is a fellow of the Institution of Engineers, India and member of IET, UK. Professor Chakrabarti received many awards and medals for is research in the field of power system engineering. He is member of different boards and committees in universities in India and expert member in numerous technical and standing committees. He has active interest in research related to Power System Engineering, Electrical Machines, Power Electronics and Electric Circuits.C.K. Chanda is working as a Professor in the Department of Electrical Engineering, IIEST, Shibpur, India. He has earned Ph.D. degree from the Department of Electrical Engineering, B.E. College (DU), Shibpur, India with specialization in Power Systems. Dr. C. K. Chanda has over 31 years of teaching and research experience in the diverse field of Power Systems Engineering and almost 5 years’ experience in industry. His areas of interest include Smart Grid, Resiliency, Stability and Renewable Energy etc. He is a recipient of Tata Rao Gold Medal. He is actively involved in various research projects funded by Centrally Funded Organizations like DST, UGC. He has published 150 research articles in reputed National/International journals and conferences including 45 research papers in SCI /SCOPUS -indexed journals. He is a member of the Editorial Board and Guest Editor of numerous reputed Journals. He has authored and co-authored four (4) books in reputed publishing houses like Mc Graw Hill, PHI etc. He has contributed five (5) book chapters in International Proceedings. Ten (10) research scholars have got their Ph. D. degree under the supervision of Dr. Chanda. He has visited different foreign countries including USA, UK, Australia, Japan, and China for academic purposes. He is a senior member of IEEE(USA), member of IET(UK), Fellow of Institution of Engineers (I), C-Engineering(I) and Life-member of ISTE.

• 1. Introduction. 2. Traditional approach in analysis of faults in power system. 3. Contingency Analysis. 4. Fundamental concepts of Complex Network Theory 5. Vulnerability Assessment of Power Transmission Network. 6. Analysis of Cascading Failure and Islanding in Grid Network. 7. Assessment of Resilience in Power Transmission Network. 8. Effect of Distributed Energy Sources.