PS4007 EHV AC Transmission Syllabus:

PS4007 EHV AC Transmission Syllabus – Anna University PG Syllabus Regulation 2021

COURSE OBJECTIVES:

 To understand power system structure and line configurations

 To compute line parameters and understand effect of ground return

 To analyse voltage gradients of transmission line conductors.

 To compute electrostatic field and design of EHV AC

 To design and know basic concepts of HVDC lines.

UNIT I INTRODUCTION

Standard transmission voltages-AC and DC – different line configurations– average values of line parameters – power handling capacity and line loss – costs of transmission lines and equipment – mechanical considerations in line performance

UNIT II CALCULATION OF LINE PARAMETERS

Calculation of resistance, inductance and capacitance for multi-conductor lines – calculation of sequence inductances and capacitances – line parameters for different modes of propagation – effect of ground return

UNIT III VOLTAGE GRADIENTS OF CONDUCTORS

Charge-potential relations for multi-conductor lines – surface voltage gradient on conductors – gradient factors and their use – distribution of voltage gradient on sub conductors of bundle – voltage gradients on conductors in the presence of ground wires on towers-I2R loss and corona loss-RIV

UNIT IV ELECTROSTATIC FIELD AND DESIGN OF EHV LINES

Effect of EHV line on heavy vehicles – calculation of electrostatic field of AC lines- effect of high field on humans, animals, and plants – measurement of electrostatic fields – electrostatic Induction in unenergised circuit of a D/C line – induced voltages in insulated ground wires – electromagnetic interference, Design of EHV lines

UNIT V HVDC LINES

Introduction- Reliability and failure issues-Design-tower, ROW, clearances, insulators, electrical and mechanical protection-Maintenance-Control and protection-D.C Electric field and Magnetic field -Regulations and guide lines-under ground line design.

TOTAL : 45 PERIODS

COURSEOUTCOMES:

CO1: Ability to analyse the identify voltage level and line configurations
CO2: Ability to model EHV AC and HVDC lines
CO3: Ability to compute voltage gradients of transmission line conductors
CO4: Ability to analyze the effects of electrostatic field on living and nonliving organisms
CO5: Ability to analyze the design, control and protection aspects of HVDC lines.

REFERENCES

1. Rakosh Das Begamudre, “Extra High Voltage AC Transmission Engineering”, Second Edition, New Age International Pvt. Ltd., 2006.
2. Pritindra Chowdhari, “Electromagnetic transients in Power System”, John Wiley and Sons Inc., 2009.
3. Andrew R. Hileman, “Insulation Coordination for Power Systems”, CRC press, Taylor & Francis Group, New York, 1999.
4. Power Engineer’s Handbook, Revised and Enlarged 6th Edition, TNEB Engineers’ Association, October 2002.
5. Sunil S.Rao, “EHV-AC, HVDC Transmission & Distribution Engineering”, Third Edition, Khanna Publishers, 2008
6. Gas Insulated Transmission Lines (GIL) – by Hermann Koch, Oct 2011, John Wiley & Sons.
7. William H. Bailey, Deborah E. Weil and James R. Stewart . “A Review on ,”HVDC Power Transmission Environmental Issues”, Oak Ridge National Laboratory.
8. J.C Molburg, J.A. Kavicky, and K.C. Picel ,”A report on The design, Construction and operation of Long-distance High-Voltage Electricity Transmission Technologies” , Argonne (National Laboratory)
9. P.Kundur,“Power system stability and control”,McGraw-Hill,Inc.,1993
10. K.R.Padiyar, “HVDC Power Transmission Systems”, New Age International (P) Ltd., New Delhi, 2002.