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Electrical Distribution System Analysis

By Prof. G. B. Kumbhar   |   IIT Roorkee
The structure and load patterns of a power distribution system are significantly different than transmission system. In addition, distribution systems are transitioning from passive to active with the adoption of distributed generation, storage, and smart-grid technologies. Therefore, the analysis tools developed for a transmission system will not be directly applicable to a distribution network. This course shall introduce the modeling of the components (feeders, distribution transformer, regulators, capacitors, loads, distributed generation, storage, etc.) and analysis methods (load flow, short-circuit, etc.), specially developed for the distribution system.

INTENDED AUDIENCE:   UG and PG Students, Distribution Utility Engineers, College Teachers, and Industry Professionals.
PREREQUISITES: Power System Analysis.
INDUSTRY SUPPORT: 1. Power distribution utilities.  2. Load dispatch centers.  3. Distribution system equipment manufacturers.

Learners enrolled: 3440

SUMMARY

Course Status : Ongoing
Course Type : Elective
Duration : 8 weeks
Start Date : 14 Sep 2020
End Date : 06 Nov 2020
Exam Date : 18 Dec 2020
Enrollment Ends : 25 Sep 2020
Category :
  • Electrical, Electronics and Communications Engineering
  • Level : Undergraduate/Postgraduate
    This is an AICTE approved FDP course

    COURSE LAYOUT

    Week 1: Structure of a distribution system
                  1.1.Distribution feeder configurations and substation layouts
                  1.2.Nature of loads 
    Week 2: Approximate methods of analysis 
                  2.1.Computation of transformer and feeder loading 
                  2.2.“K” Factors, voltage drop and power loss calculations 
                  2.3.Distribution of loads and various geometric configurations 
    Week 3, 4, 5: Modeling of distribution system  components
                  3.1.Overhead lines, feeders and cables
                  3.2.Single and three phase distribution transformers
                  3.3.Voltage regulators
                  3.4.Load models
                  3.5.Capacitor banks 
                  3.6.Distributed generation
    Week 6, 7, 8: Distribution system analysis
                  4.1.Load flow analysis: Backward/forward sweep 
                  4.2.Load flow analysis: Direct approach 
                  4.3.Load flow analysis: Direct approach for weakly meshed systems
                  4.4.Load flow analysis: Gauss Implicit Z-matrix Method 
                  4.5.Short-circuit analysis: Sequence-components vs. phase-variable
          4.6.Short-circuit analysis: LG, LLG, LLLG, and LL Faults
                  4.7.Short-circuit analysis: Weakly meshed system
                  4.8.Applications of distribution system analysis 

    BOOKS AND REFERENCES

    1. W. H. Kresting, Distribution System Modeling and Analysis, CRC Press, New York, 2002.
    2. A. A. Sallam and O. P. Malik, Electric Distribution System, IEEE Press, Piscataway, NJ, 2011.
    3. J. H. Teng, “A direct approach for distribution system load flow solutions,” IEEE Trans. on Power Delivery, vol. 18, no. 3, pp. 882–887, 2003.
    4. Edited by B. Das, Power Distribution Automation, IET Power and Energy Series, 75, London, 2016.
    5. R. F. Arritt and R. C. Dugan, “Distribution system analysis and the future smart grid,” IEEE Trans. on Industry Applications, vol. 47, no. 6, pp. 2343-2350, November/ December 201.

    INSTRUCTOR BIO

    Prof. G. B. Kumbhar

    IIT Roorkee
    Dr. Ganesh B. Kumbhar received the B.E. Degree in electrical engineering from Government College of Engineering, Karad in 1999, the M. Tech. Degree from the IIT-Madras in 2002, and the Ph.D. degree from the IIT Bombay in 2007. Currently, he is working as Assistant Professor at Department of Electrical Engineering, IIT-Roorkee. Previously, he has worked with Eaton Corporation Ltd., Tata Consultancy Services Ltd., and Crompton Greaves Ltd. in the areas of design and analysis of power system equipment. He has also worked as a Postdoctoral Research Scholar at the Centre for Energy System Research at Tennessee Tech. University, Cookeville, Tennessee, USA. His research interests include distribution system analysis, distributed generation planning and analysis, smart grid technologies and applications, power and distribution transformers, modeling and simulation, design and analysis.

    COURSE CERTIFICATE

    The course is free to enroll and learn from. But if you want a certificate, you have to register and write the proctored exam conducted by us in person at any of the designated exam centres.
    The exam is optional for a fee of Rs 1000/- (Rupees one thousand only).
    Date and Time of Exams: 18 December 2020 Morning session 9am to 12 noon; Afternoon Session 2pm to 5pm.
    Registration url: Announcements will be made when the registration form is open for registrations.
    The online registration form has to be filled and the certification exam fee needs to be paid. More details will be made available when the exam registration form is published. If there are any changes, it will be mentioned then.
    Please check the form for more details on the cities where the exams will be held, the conditions you agree to when you fill the form etc.

    CRITERIA TO GET A CERTIFICATE

    Average assignment score = 25% of average of best 6 assignments out of the total 8 assignments given in the course.
    Exam score = 75% of the proctored certification exam score out of 100

    Final score = Average assignment score + Exam score

    YOU WILL BE ELIGIBLE FOR A CERTIFICATE ONLY IF AVERAGE ASSIGNMENT SCORE >=10/25 AND EXAM SCORE >= 30/75. If one of the 2 criteria is not met, you will not get the certificate even if the Final score >= 40/100.

    Certificate will have your name, photograph and the score in the final exam with the breakup.It will have the logos of NPTEL and IIT Roorkee.It will be e-verifiable at nptel.ac.in/noc.

    Only the e-certificate will be made available. Hard copies will not be dispatched.

    Once again, thanks for your interest in our online courses and certification. Happy learning.

    - NPTEL team


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