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HIGH VOLTAGE ENGINEERING
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BE05009071
Code: BE05009071
Credits: 3
Semester 5
Electrical Engineering
High Voltage Engineering
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Follow on Instagram for UpdatesHigh Voltage Engineering Syllabus — Unit-wise Content
The official GTU curriculum for High Voltage Engineering (subject code BE05009071) as prescribed for Electrical Engineering · Semester 5 divides the course into 8 units, covering 89 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 (BE05009071)Unit 1 Electrostatic fields and field stress control
- Electrical field distribution and breakdown strength of insulating materials - fields in homogeneous
- isotropic materials - fields in multi- dielectric
- isotropic materials
Unit 2 Electrical breakdown in gases
- Gases as insulating media - ionization and decay processes
- Townsend first ionization coefficient
- photo ionization
- ionization by interaction of metastable with atoms
- thermal ionization
- deionization by recombination
- deionization by attachment–negative ion formation
- examples - cathode processes – secondary effects
- photoelectric emission
- electron emission by positive ion and excited atom impact
- thermionic emission
- field emission
- Townsend second ionization coefficient
- secondary electron emission by photon impact
- examples - transition from non-self-sustained discharges to breakdown
- the Townsend mechanism
- examples - the streamer or ‘kanal’ mechanism of spark
- examples - the sparking voltage– Paschen’s law, penning effect
Unit 3 Breakdown in liquid and solid dielectrics
- Liquid as insulators
- breakdown in liquids - electronic breakdown
- suspended solid particle mechanism
- cavity breakdown
- examples - static electrification in power transformers
- transformer oil filtration
- transformer oil test
- alternative liquid insulations like vegetable oils
- esters and silicon oils - breakdown in solids
- intrinsic breakdown
- streamer breakdown
- electromechanical breakdown
- edge breakdown and treeing
- thermal breakdown
- erosion breakdown
- tracking - breakdown of solid dielectrics in practice
- partial discharges in solid insulation
Unit 4 Generation of high voltages
- Generation of high direct voltages
- half and full wave rectifier circuits
- voltage multiplier circuits
- Van de Graff generators
- electrostatic generators
- examples - generation of alternating voltages
- testing transformers
- cascaded transformers
- resonant transformers
- examples - impulse voltages
- Standard lightning and switching surge and associated GUJARATTECHNOLOGICALUNIVERSITY Program Name: Bachelor of Engineering Level: UG Branch: Electrical Engineering Subject Code: BE05009071 Subject Name: High Voltage Engineering parameters and their corrections
- design and construction of impulse voltage generator circuits
- Marx circuit
- examples - impulse current generator
- IS 2071 (Part 1 & 2)
Unit 5 Measurement of high voltages
- High direct voltage measurement
- peak voltage measurements by spark gaps
- sphere gaps
- reference measuring systems
- uniform field gaps
- rod gaps
- factors affecting sphere gap measurements
- examples - electrostatic voltmeters - generating voltmeters and field sensors - the measurement of peak voltages
- the Chubb–Fortescue method
- high- voltage capacitors for measuring circuits - voltage dividing systems and impulse voltage measurements
- IS 2071 (Part 2 & 3)
Unit 6 Over voltages, and insulation coordination
- The lightning mechanism
- energy in lightning
- nature of danger - examples - insulation coordination
- insulation level
- statistical approach to insulation coordination
- correlation between insulation and protection levels
- IS 2165 (Part 1 & 2)
Unit 7 Non-destructive & High Voltage test techniques
- Insulation: Measurement of d.c. resistivity - dielectric loss and capacitance measurements
- the Schering bridge
- current comparator bridges
- Tan Delta measurement
- Partial-discharge (PD) measurements - the basic PD test circuit
- High Voltage Testing: Testing of insulators
- circuit breakers, and transformers according to relevant IS/IEEE standards
- IS 2071 (Parts 1–4)
Unit 8 Modern High Voltage Insulations
- Gaseous Insulators: SF6 Alternatives and Eco-Friendly Gases - Fluoronitriles (e.g.
- C4F7N or g3 gas)
- C5F10O or AirPlus)
- Hydrofluorocarbons (HFCs
- HFC-227ea and HFC-125)
- CO2/O2 Mixtures and Dry Air
- Liquid Insulators: Biodegradable and Natural Esters - Natural Esters
- Synthetic Esters
- Solid Insulators: Silicone Rubber and Nano-Dielectrics
- IS 335, BIS CED 47 (Electrotechnical)
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