Course Overview

1. Grid analysis and security assessment.
This module contains lectures that cover an introduction to power flow analysis and how it can be implemented in a Python program, and an introduction to power system security assessment. The lectures provide the background theory and methods that students need to implement and apply in the first hand-in assignment, with the focus on load flow and contingency analysis.
2. Symmetrical and unsymmetrical fault analysis.
This module contains lectures that introduce fault analysis including symmetrical component transformation and its application to unsymmetrical fault analysis.
3. Result verification in PowerFactory.
This module introduces Python as a tool to automate calculations and processes in commercially available software, using PowerFactory as an example. In the final project, students utilize the built-in functionalities available in PowerFactory to control system parameters and execute software functions through the Python interface. Within this project, students conduct load flow analysis, security assessment, and fault calculation in PowerFactory, and compare the results of the commercial software with those obtained from the Python program developed in previous modules. Students are expected to identify and explain potential differences between the outcomes produced by the two programs.

Course Highlights

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MAIN GOAL

The aim of the course is to give the students the necessary background knowledge of the general methods used in static power grid analysis including power flow and fault analysis. The students obtain the ability to model and solve the basic operational issues and analyze a power system under faulty conditions.

Learning Outcomes

After completion of this course, you will be able to:

• + Develop and implement power flow algorithm on a computer and interpret power flow results.
• + Describe the basic principle of power system security analysis.
• + Design and implement steady state contingency analysis.
• + Understand balanced and unbalanced fault types.
• + Calculate short-circuit currents of symmetrical faults in small grids.
• + Understand symmetrical component transformation and determine sequence networks of loads, series impedances, transmission lines, rotating machines, and transformers.
• + Apply symmetrical components and sequence networks in small grids and analyze unsymmetrical (single line-to-ground, line-to-line and double line-to-ground) faults.
• + Calculate symmetrical or unsymmetrical fault currents in large grids using sequence bus impedance matrices.
• + Describe the basic principles of distance relays, design their zones of protection in a distance protection scheme and determine the operating time for a given fault current from provided relay characteristics.

Meet Your Instructor

Guangya Yang

Associate Professor

Admissions

Entry Requirements

• + DTU 31730/46700, or similar courses.

Teaching and Assessment Methods

• + Classroom lectures to provide an overview of the theory and methods, supplemented with in-class exercises.
• + Hand-in assignments and project work where you work in groups.

Application Deadline: TBC

Fees & Funding

Tuition Fees

TBC