Breakdown Phenomenon in Insulation Detailed Syllabus for High Voltage Engineering/ Power Systems With Emphasis On H.V. Engineering M.Tech first year first sem is covered here. This gives the details about credits, number of hours and other details along with reference books for the course.
The detailed syllabus for Breakdown Phenomenon in Insulation M.Tech 2017-2018 (R17) first year first sem is as follows.
M.Tech. I Year I Sem.
Prerequisite: Electromagnetic Fields
Course Objectives:
- To know the phenomena of electric fields and field stress control around high voltage systems
- To understand the mechanism involved in non-destructive insulation and testing as well as over voltages in power systems.
Course Outcomes: After the completion of this course, the student will be able to
- select insulation materials in practice with the knowledge of requirements and compromises
- know different mechanisms that may lead to dielectric breakdown
- compute estimates of the electrical breakdown voltage from given models
- identify the fundamental physical mechanism behind given relaxation/permittivity curves
UNIT-I: Introduction: Electric stress and Electric strength, Breakdown mechanisms, Estimation and control of electric stress, Field sketching, high voltage measurements.
UNIT-II: Mechanisms Of Spark Breakdown In Gases: Basic process in gas breakdown-Primary process – secondary process, Mechanisms of breakdown – Townsend Mechanism, breakdown in electronegative gases, Time lags of spark breakdown, Breakdown Characteristics In Gases: Phenomenon in uniform fields, Phenomenon in non uniform fields, Surface flashover, dielectric recovery.
UNIT-III: Electrical Properties of High Vacuum: Pre-breakdown conduction, Factors affecting the breakdown voltage, Breakdown hypotheses, Vacuum breakdown criterion, Flashover across solid insulators. The Electrical Conduction and Strength of Pure Liquids: pure liquids, purification, test cells, natural conduction, induced conduction, process of conduction, breakdown phenomenon and electric strength of liquids, breakdown process.
UNIT-IV: Breakdown of Commercial Liquid and Liquid-Solid Dielectrics: breakdown due to gaseous inclusions, breakdown due to liquid globules, breakdown due to solid particles, deterioration due to internal discharges, electrochemical deterioration. Intrinsic and Related Forms of Breakdown in Solids: definition of intrinsic strength, theories of intrinsic strength, its measurements, comparison of theory with experiment, current problems in measurement of intrinsic strength.
UNIT-V: Thermal Breakdown Chemical and Electro Chemical Deterioration: thermal breakdown, chemical deterioration-oxidation, chemical stability, hydrolysis, leaching of chemically active substances, incompatibility of materials, electrochemical deterioration-nature, electro chemical effects in insulation with and without moisture.
TEXT BOOKS:
- “High Voltage Engineering”, by M. S. Naidu, V. Kamaraju, Tata McGraw Hill Education, 2009.
- “High Voltage Engineering”, by Farouk A.M. Rizk, Giao N. Trinh CRC Press Taylors, and Francis group.
- “High Voltage and Electrical Insulation Engineering”, by Ravindra Arora and Wolfgang Mosch John Wiley & Sons, Inc.
REFERENCES:
- “High Voltage Engineering Fundamentals”, by John Kuffel, Peter Kuffel second edition Newness, 2000.
- “An introduction to high voltage engineering”, by Subir Ray, second edition PHI learning Pvt. Ltd., 2013.
For all other M.Tech 1st Year 1st Sem syllabus go to JNTUH M.Tech High Voltage Engineering/ Power Systems With Emphasis On H.V. Engineering 1st Year 1st Sem Course Structure for (R17) Batch.
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