Course Details

Subject {L-T-P / C} : EE6252 : Distribution System Operation and Planning {3-0-0 / 3}
Subject Nature : Theory
Coordinator : Prof. Ananyo Sengupta


Fundamentals of Distribution Systems: General Concept, Distribution of Power, Quality of Supply, System Study, Benchmarking Electricity Reforms, Primary Distribution Configurations, Urban Networks, Primary Voltage Levels, Distribution Substations, Subtransmission Systems, Loads. Design and Operation: Engineering Design, Operation Criteria and Standards, Sub-transmission, Sub-station and Feeder, Low Voltage—Three-phase or Single-phase, Practices, Location of Sectionalizer, Voltage Control, Harmonics, Load Variations, Impact Loading of Transformer, System Losses, Energy Management, Model Distribution System. System Planning: Planning Process, Planning Criteria and Standards, System Development, Distributed Generation, Distribution System Economics and Finance, Mapping, Enterprise Resource Planning (ERP), Modelling, System Calculations, Introductory Methods, Network Elements, Load Flow, Automated Planning, Fault Studies, Effect of Abnormal Loads, Line Circuits, Urban Distribution, Outsourcing. Optimization: Introduction, Costing of Schemes, Typical Network Configurations, Planning Terms, Network Cost Modelling, Voltage Levels, Synthesis of Optimum Line Networks, Applications of Linear Programming to Network Synthesis, Optimum Phasing Sequence, Economic Loading of Distribution Transformers, Worst-Case Loading of Distribution Transformers, Rating of New Transformer, Optimizing Practices. Electricity Forecasting: Power Loads, Connected Load, Load Forecasting, Definitions of Some Basic Concepts in Statistics, Regression Analysis, Correlation Theory, Analysis of Time Series, Factors in Power System Loading, Unloading the System, Forecast of System Peak, Strategic Forecasting, Spatial Load Forecasting, Technological Forecasting, Scenario Planning, Sources of Error: Regulating the Model. Tariffs and Market: Objectives, Costing, Pricing Approach, Classifications, Economically Efficient Tariff Structure, National Tariff Policy, Rational Tariffs, Tariff Applications, Electricity Market. System Protection Time Current Characteristics, Fuses, Switching Devices, Circuit Breakers, Protective Relaying, Instrument Transformers, Overcurrent Schemes, Unit Protection

Course Objectives

  1. To understand design and operation of distribution system.
  2. Understand system planning.
  3. Load forecasting.
  4. Distribution system tariff and market.

Course Outcomes

CO1: At the end of the course, student will be able to understand the features of power distribution systems.
CO2: Students will be able to understand the basic principles of design and operation of distribution systems.
CO3: Students will be able to know the approaches of planning and expansion of distribution system.
CO4: Students will get an exposure on electricity market, tariff mechanism and demand management.
CO5: Students will be able to design the protection schemes for distribution system.

Essential Reading

  1. William H. Kersting, Distribution System Modeling and Analysis, CRC Press
  2. Amarjit Singh Pabla, Electric Power Distribution, McGraw-Hill Education

Supplementary Reading

  1. Thomas Allen Short, Electric Power Distribution Handbook, CRC Press
  2. Anthony J. Pansini, 'Guide to Electrical Power Distribution Systems, The Fairmont Press