TU Delft
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2016/2017 Electrical Engineering, Mathematics and Computer Science Master Electrical Engineering
Power System Grounding and Protection
Responsible Instructor
Name E-mail
Dr.ir. M. Popov    M.Popov@tudelft.nl
Contact Hours / Week x/x/x/x
Education Period
Start Education
Exam Period
Course Language
Expected prior knowledge
Electric Power Systems I and II - EE2E21, ET4107
Transients in Power Systems - ET4108
Course Contents
This subject provides knowledge about types of grounding systems in high voltage networks. The analysis of the effect of grounding resistance for different grounding systems is studied. The type of relays used for the protection of electric power systems are studied. Attention is given to overcurrent, differential, distance protection and Bucholtz protection of transformers and to the coordination of relays as well as current transformer selections.
Study Goals
The goals are:
- to obtain knowledge about typical grounding practices and how grounding system influences applied protection principles
- to obtain knowledge on how overcurrent, differential and distance protection is realized
- basic knowledge on some protective schemes
Education Method
Lectures. The expected number of study hours is ~49h, which is about 7h a week.
Literature and Study Materials
- Network protection and automation guide - Alstom (will be provided by the lecturer)

other useful literature:

- An American National Standards, IEEE Guide for Safety in AC Substation Grounding, ANSI/IEEE Std 80-1986.
- Massimo A.G. Mitolo: Electrical Safety of Low-Voltage Systems, McGraw Hill, ISBN 978-0-07-150818-6,2009
- Gerhard Ziegler: Numerical Distance Protection, Principles and Applications, ISBN 978-3-89578-318-0, Siemens, 2008
- Willheim, Waters, Neutral Grounding, Elsevier
Closed book examination, oral examination
consulting hours according to the appointment