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Electrical Distribution System Analysis

Electrical Distribution System Analysis. Instructor: Dr. Ganesh Kumbhar, Department of Electrical Engineering, 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. (from nptel.ac.in)

Lecture 17 - Modeling of Three-Phase Transformers IV

This lecture gives an example calculation of at, bt, ct, and dt parameters of one commonly used transformer in India. It also derives at, bt, ct, and dt parameters for open wye-open delta configuration.


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Lecture 01 - Introduction to Electrical Distribution System
Lecture 02 - Components of Distribution System Substation and Busbar Layouts
Lecture 03 - Components of Distribution System and Feeder Configurations
Lecture 04 - Nature of Loads in a Distribution System
Lecture 05 - Load Allocation in a Distribution System
Lecture 06 - K Factors and their Applications
Lecture 07 - Analysis of Uniformly Distributed Loads
Lecture 08 - Lumping Loads in Geometric Configurations: Rectangular
Lecture 09 - Lumping Loads in Geometric Configurations: Triangular
Lecture 10 - Series Impedance of Distribution Lines and Feeders
Lecture 11 - Series Impedance of Distribution Lines and Feeders (cont.)
Lecture 12 - Models of Distribution Lines and Cables
Lecture 13 - Modeling of Single-Phase and Three-Phase Transformers
Lecture 14 - Modeling of Three-Phase Transformers I
Lecture 15 - Modeling of Three-Phase Transformers II
Lecture 16 - Modeling of Three-Phase Transformers III
Lecture 17 - Modeling of Three-Phase Transformers IV
Lecture 18 - Modeling of Step Voltage Regulators I
Lecture 19 - Modeling of Step Voltage Regulators II
Lecture 20 - Modeling of Step Voltage Regulators III
Lecture 21 - Modeling of Step Voltage Regulators IV
Lecture 22 - Load Models in Distribution System
Lecture 23 - Load Models in Distribution System (cont.)
Lecture 24 - Modeling of Distributed Generation
Lecture 25 - Applications and Modeling of Capacitor Banks
Lecture 26 - Summary of Modeling of Distribution System Components
Lecture 27 - Backward/Forward Sweep Load Flow Analysis
Lecture 28 - Backward/Forward Sweep Load Flow Analysis (cont.)
Lecture 29 - Direct Approach Based Load Flow Analysis I
Lecture 30 - Direct Approach Based Load Flow Analysis II
Lecture 31 - Direct Approach Based Load Flow Analysis III
Lecture 32 - Direct Approach Based Load Flow Analysis: Weakly Meshed System
Lecture 33 - Gauss Implicit Z-Matrix Method
Lecture 34 - Sequence Component Based Short Circuit Analysis
Lecture 35 - Thevenin's Equivalent and Phase Variable Based Short Circuit Analysis
Lecture 36 - Direct Approach for Short-Circuit Analysis: Introduction and LG Fault
Lecture 37 - Direct Approach for Short-Circuit Analysis: LLG and LLLG Fault
Lecture 38 - Direct Approach for Short-Circuit Analysis: LL Fault and Examples
Lecture 39 - Direct Approach for Short-Circuit Analysis: Weakly Meshed System
Lecture 40 - Applications of Distribution System Analysis