Digital Protection
Get the full GTU study material, English & Gujarati textbook PDFs, syllabus curriculum, and solved previous year question papers.
English Book & Chapters
English Book Coming Soon
We are working hard to add this material. Stay tuned for updates!
Follow on Instagram for UpdatesGTU Previous Year Papers
Digital Protection Syllabus — Unit-wise Content
The official GTU curriculum for Digital Protection (subject code 3710714) as prescribed for EE · Semester 1 divides the course into 5 units, covering 16 listed topics. The unit-wise breakdown below is read from the GTU syllabus document for this subject code, so you can check what the course actually covers before deciding which papers to attempt.
Download the official syllabus PDF (3710714)Unit 1 Introduction to Digital Relaying
- Evolution of digital relays from electromechanical relays Performance and operational characteristics of digital protection
Unit 2 Basic elements of digital protection
- Signal conditioning: transducers
- surge protection
- analog filtering
- analog multiplexers Conversion subsystem: the sampling theorem
- signal aliasing error
- sample and hold circuits
- analog to digital conversion Digital filtering concepts The digital relay as a unit consisting of hardware and software
Unit 3 Interconnected System Protection
- Protection of an interconnected system Link net structure
- Flowchart of Primary/Backup relay pairs
- Examples based on existing power system network
Unit 4 Mathematical background to protection algorithms
- Interpolation formulae Numerical differentiation Least squares method Fourier analysis
Unit 5 Digital Protection Algorithm
- Sinusoidal wave based algorithms Fourier Algorithm: Full cycle window algorithm
- fractional cycle window algorithm
- Least Squares based algorithms
- Walsh function based algorithm
Study on Android App:
