Advanced Power System Protection and Switchgear
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Follow on Instagram for UpdatesAdvanced Power System Protection and Switchgear Syllabus — Unit-wise Content
The official GTU curriculum for Advanced Power System Protection and Switchgear (subject code 2710707) as prescribed for EE · Semester 1 divides the course into 6 units, covering 64 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 (2710707)Unit 1 Introduction to Digital Relays
- Comparison of digital relays with previous generation relays
- Basic Components of Digital Relays with block diagram
- Signal Conditioning Subsystems
- Surge Protection Circuits
- Anti aliasing filter
- Conversion Subsystem
- The Sampling Theorem
- Sample and Hold Circuit
- Concept of analog to digital and digital to analog conversion
- Idea of sliding window concept
- introduction to intelligent electronic device (IED)
- Different relay algorithms such as algorithms for pure sinusoidal relaying signal
- algorithm based on solution of system differential equations
- Fourier analysis based half cycle and full cycle algorithm
Unit 2 Coordination of Inverse Definite Minimum Time
- (IDMT)/Directional Over Current (DOC) Relays in an Interconnected Power System Network Protection of an interconnected system
- Link net structure
- Flowchart of Primary/Backup relay pairs
- Flowchart of Time Multiplier Setting
- Examples based on existing power system network
Unit 3 Wide Area Protection and Measurement
- Definition of wide-area protection
- Architectures of wide-area protection
- concept of synchronized sampling
- wide area phasor measurement technology
- concept of Adaptive relaying
- advantageous of adaptive relaying and its application
Unit 4 Auto-reclosing and Synchronizing
- history of auto-reclosing
- advantageous of auto-reclosing
- classification of auto-reclosing
- auto-reclosing based on number of phases
- auto-reclosing based on number of attempts
- auto-reclosing based on speed
- Sequence of events in single-shot auto-reclosing scheme
- factors to be considered during reclosing such as choice of zone in case of distance relay
- dead time
- reclaim time
- instantaneous trip lockout
- intermediate lockout
- breaker supervision function
- Synchronism check
- phasing voltage method
- angular method
- automatic synchronization
Unit 5 System Response during Severe Upsets
- Nature of system response to severe upsets such as system response to Islanding conditions
- Under generated islands
- Over generated islands
- Reactive Power Balance
- Power Plant Auxiliaries
- Power System Restoration
- Load Shedding
- Factors to be considered for load shedding scheme such as maximum anticipated overload
- number of load shedding steps
- size of load shed at each step
- frequency setting
- time delay
- rate of frequency decline
- frequency relays
- Issues with islanding and methods of islanding
Unit 6 Protection of Series Compensated Transmission Line
- The Degree of compensation
- basic components of series compensated transmission lines
- Voltage Profile of Series Compensated Line
- Faults with Unbypassed Series Capacitors
- Protection problems such as Voltage Inversion
- Current Inversion
- Overreaching/Underreaching of distance element
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