Course10810711260 lectures
Electrical Distribution System Analysis
Prof. N. P. Padhy and Late. Prof. G. B. Kumbhar · IIT Roorkee
About
This course offers a comprehensive study of electrical distribution systems, emphasizing the fundamental differences from transmission systems in terms of structure and load patterns. With the rapid transition from passive to active networks, driven by the integration of distributed generation, energy storage, and smart-grid technologies, traditional transmission system analysis tools have proven to be insufficient. This
course addresses these emerging challenges by introducing specialized modeling and analysis techniques tailored specifically for distribution systems.
The curriculum encompasses the modeling of essential components, including feeders, distribution transformers, voltage regulators, capacitors, loads and distributed generation. It covers advanced analysis methods, such as load flow and short-circuit analysis, which are crucial for the effective design, planning, and operation of contemporary distribution networks. A particular focus is placed on voltage and reactive power (volt-var) control (VVC), utilizing both traditional and advanced technologies. The course also includes a case study on a practical distribution system, such as the distribution network at IIT Roorkee, providing real-world insights into the operation of distribution systems.
Intended audience: UG and PG Students, Research Scholars, Distribution Utility Engineers, College Teachers, and Industry Professionals.
Prerequisites: Power System Analysis.
Lectures
Week 1
- Introduction to Electrical Distribution System
- Components of Distribution System Substation and Busbar Layouts
- Components of Distribution System and Feeder Configurations
- Nature of Loads in a Distribution System
- Load Allocation in a Distribution System
Week 2
- ‘K’ Factors and Their Applications
- Analysis of Uniformly Distributed Loads
- Lumping Loads in Geometric Configurations: Rectangular
- Lumping Loads in Geometric Configurations: Triangular
- Impedance of Distribution Lines and Feeders - Part I
Week 3
- Series Impedance of Distribution Lines and Feeders - Part II
- Models of Distribution Lines and Cables
- Modelling of Single-Phase and Three-Phase Transformers
- Modelling of Three-Phase Transformers-Part I
- Modelling of Three-Phase Transformers – Part II
Week 4
- Modelling of Three-Phase Transformers – Part III
- Modelling of Three-Phase Transformers – Part IV
- Modelling of Step Voltage Regulators - Part I
- Modelling of Step Voltage Regulators – Part II
- Modelling of Step Voltage Regulators – Part III
Week 5
- Modelling of Step Voltage Regulators – Part IV
- Load Models in Distribution System - Part I
- Load Models in Distribution System - Part-II
- Modelling of Distributed Generation
- Applications and Modeling of Capacitor Banks
Week 6
- Summary of Modelling of Distribution System Components
- Backward/Forward Sweep Load Flow Analysis - Part I
- Backward/Forward Sweep Load Flow Analysis - Part II
- Direct Approach Based Load Flow Analysis - Part I
- Direct Approach Based Load Flow Analysis - Part II
Week 7
- Direct Approach Based Load Flow Analysis - Part III
- Direct Approach Based Load Flow Analysis: Weakly Meshed System
- Gauss Implicit Z-matrix Method
- Sequence Component Based Short Circuit Analysis
- Thevenin's Equivalent and Phase Variable Based Short Circuit Analysis
Week 8
- Direct Approach for Short-Circuit Analysis: Introduction and LG Fault
- Direct Approach for Short-Circuit Analysis: LLG and LLLG Fault
- Direct Approach for Short-Circuit Analysis: LL Fault and Examples
- Direct Approach for Short-Circuit Analysis: Weakly Meshed System
- Applications of Distribution System Analysis
Week 9
- Distributed generation integration issues in distribution system
- Distribution System Protection Issues
- Power Quality, Reliability, and Availability
- Design and Operation Part-I
- Design and Operation Part-II
Week 10
- Definition and objective of Volt-var control (VVC)
- Traditional approaches of VVC
- Distribution Automation
- SCADA-Based VVC and Integrated VVC
- Advanced technologies for VVC Part-I
Week 11
- Advanced technologies for VVC Part-II
- System Planning-Part-I
- System Planning-Part-II
- Electricity Forecasting
- Case study: IIT Roorkee distribution system
Week 12
Syllabus and materials
At NPTEL, as the course publishes them.
Credits and licence
- Institution
- IIT Roorkee
- Department
- Electrical Engineering
- Taught by
- Prof. N. P. Padhy, Late. Prof. G. B. Kumbhar
- Level
- Undergraduate
- Language
- English
- Subjects
- Engineering
- Source
- NPTEL
- Licence
- CC BY-NC-SA, as NPTEL states it. Non-commercial use only. NPTEL's terms
- Attribution
- NPTEL states: "Distributed under Creative Commons Attribution-ShareAlike / CC BY - NC - SA", beside a BY-NC-SA badge.
- Who can watch
- NPTEL gives no rating. Invisible Network shows it to Tweens profiles and older, judged from what the source says about it. How courses are placed