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SWITCH GEAR AND
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3162420
Code: 3162420
Credits: 4
Semester 6
PE
Switch gear and Fault Analysis
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Follow on Instagram for UpdatesSwitch gear and Fault Analysis Syllabus — Unit-wise Content
The official GTU curriculum for Switch gear and Fault Analysis (subject code 3162420) as prescribed for PE · Semester 6 divides the course into 7 units, covering 128 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 (3162420)Unit 1 Introduction
- Sub-station Equipment
- Faults and Abnormal conditions
- Fault calculation
- Fault Clearing Process
- Protective Relaying
- Neutral Grounding and Equipment Grounding
- Switchgear Terminology and standard specifications
- Electromechanical Relay and Static relay
- HRC Fuse and it’s applications. 2 05-10
Unit 2 High Voltage A.C. Circuit Breakers
- The Fault Clearing Process
- The Trip Circuit
- Recent Advances
- Classifications and Technical Particulars of Circuit- Breakers
- Assembly and Structure of Circuit Breaker
- Operating Mechanism
- Indication and Auxiliary Switch
- Circuit- Breaker Time
- Trip Free Features
- Design and Development. 4 10-15
Unit 3 Switching Phenomena and Circuit-Breaker Rating
- RLC Parameters
- Voltage Equation of an RLC Series Circuit
- Sudden Short Circuit of RL Series Circuit
- Sub-transient Transient and Steady State Conditions
- Current Interruption in A
- Circuit Breaker, TRV, Frequency Transient
- Rate of Rise of TRV, Resistance Switching
- Damping of TRV, Opening Resistance
- Current Chopping
- Use of 7 10-15 Subject Code: 3162420 w.e.f
- AY 2018-19 Opening Resistors
- Interrupting the Terminal Faults
- Interrupting Short Line Faults
- Phase Opposition Switching
Unit 4 Circuit Breaker
- Air-Break Circuit-Breaker: Introduction
- Arc Extinction
- lengthening of Arc, Description
- Operating Mechanism
- Miniature Circuit-Breaker and it’s rating. Air Blast Circuit-Breaker: Introduction
- Principle of arc quenching
- ABCB with external energy
- Resistance switching
- Generator Circuit-Breaker
- Compressed Air System for ABCB. SF6 Circuit-Breaker: Introduction
- SF6 gas properties
- Types of Design
- Merits and demerits. Minimum Oil Circuit-breaker and Bulk Oil Circuit-Braker: Introduction
- Pre-arcing phenomenon
- Sensitivity to TRV, Contact Assembly. Vacuum Circuit-Breaker: Introduction
- Electrical Breakdown in high vacuum
- Arc Interruption
Unit 5 Fault Analysis
- Introduction: Procedure of Fault calculation
- Representation of Power System
- Per Unit Method and its Advantages
- Selection of Bases. Symmetrical Faults and Current Limiting Reactors: Fault MVA and fault current
- Reactors in Power Systems
- Principle and design features of Current Limiting Reactors
- Physical arrangements
- selection and location of Reactors. 4 10-15
Unit 6 Relays
- Introduction to Protection Relaying: Importance of Protective Relaying
- Protective Zone
- Primary and Back-up Protection
- Back-up Protection by Time Grading Principle & Monitoring
- Desirable Qualities of Protective Relaying
- Terminology used in Protective Relaying
- Distinction between Relay Unit
- Protective Scheme and Protective System
- Protective CT and PT, Actuating Quantities
- Electromechanical Relay and Static Relays
- Power Line Carrier Channel
- Programmable Relay
- System Security. Electromagnetic Relays: Auxiliary switch
- Sealing and Auxiliary Relays
- Measurement in Relays
- Type of Relay Units
- Drop Off / Pick-up Ratio
- Attracted Armature Relay
- Balanced Beam Relay
- Induction Disc Relay
- Induction Cup Relay
- PMMC Relay
- Rectifier Relay Systems
- Thermal Relays
- Directional Relays
- Polarized Iron Relay
- Frequency Relay
- Under Voltage Relay
- All-or-nothing Relay
- Plug Setting
- Time Setting
- Test Facility. 7 10-15
Unit 7 Protection
- Protection of Induction Motor: Abnormal Operating Conditions and Causes of Failure in Induction Motors
- Protection Requirements
- Protection of low voltage IM, Protection of large Motors
- Overload Protection
- Protection against unbalance and single-phasing
- Phase Reversal Relay
- Phase to Phase Fault Protection
- Stator Earth-fault Protection
- Faults in Rotor Winding. Protection of Transformer: Protection Requirements
- Safety Devices with Power Transformers
- Low oil level
- Gas Actuated Devices
- Biased Differential Protection
- Percentage Differential Protection
- Differential 10 20-25 Subject Code: 3162420 w.e.f
- AY 2018-19 Protection of Three-winding Transformer & Auto Transformer
- Earth- fault Protection
- Restricted Earth Fault Protection
- Protection of Transformer in Parallel
- Overcurrent Protection of Power Transformer
- Thermal over-heating Protection of Large Transformer
- Protection of Generator: Abnormal conditions and Protection Systems
- Percentage Differential Protection of Alternator Stator Winding
- Overcurrent and Earth- fault Protection
- Rotor Earth-fault Protection
- Negative Sequence Protection
- Stator-heating Protection
- Loss of Field Protection
- Reverse Power Protection
- Over Speed Protection
- Field Suppression and other Protections. Station Bus-Zone Protection: Bus Protection by various protection methods and principle
- Biased Differential Bus-zone Protection
- High Impedance Protections
- Locations of CT’s
- Monitoring of Secondary Circuits
- Interlocked Overcurrent Protection
- Non-Auto Reclosure
- Bus Transfer Schemes for Auxiliary & Industrial Switchgear
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