EE6402 Transmission and Distribution Previous Year Question Papers


EE6402 Transmission and Distribution Previous Year Question Papers


B.E – Electrical and Electronics Engineering, Second Year 4th Semester EE6402 Transmission and Distribution Previous Year Question Papers For The Regulation 2013.

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OBJECTIVES:
  • To develop expressions for the computation of transmission line parameters.
  • To obtain the equivalent circuits for the transmission lines based on distance and operating
  • voltage for determining voltage regulation and efficiency. Also to improve the voltage profile of the transmission system.
  • To analyses the voltage distribution in insulator strings and cables and methods to improve the same.
  • To understand the operation of the different distribution schemes.
UNIT I – STRUCTURE OF POWER SYSTEM
Structure of electric power system: generation, transmission, and distribution; Types of AC and DC distributors – distributed and concentrated loads – interconnection – EHVAC and HVDC transmission – Introduction to FACTS.
UNIT II – TRANSMISSION LINE PARAMETERS
Parameters of single and three phase transmission lines with single and double circuits – Resistance, inductance and capacitance of solid, stranded and bundled conductors, Symmetrical and unsymmetrical spacing and transposition – application of self and mutual GMD; skin and proximity effects – interference with neighboring communication circuits – Typical configurations, conductor types and electrical parameters of EHV lines, corona discharges.
UNIT III – MODELLING AND PERFORMANCE OF TRANSMISSION LINES
Classification of lines – short line, medium line and long line – equivalent circuits, phasor diagram, the attenuation constant, phase constant, surge impedance; transmission efficiency and voltage regulation, real and reactive power flow in lines, Power – circle diagrams, surge impedance loading, methods of voltage control; Ferranti effect.
UNIT IV – INSULATORS AND CABLES
Insulators – Types, voltage distribution in insulator string, improvement of string efficiency, testing of insulators. Underground cables – Types of cables, Capacitance of Single-core cable, Grading of cables, Power factor and heating of cables, Capacitance of 3- core belted cable, D.C cables.
UNIT V – MECHANICAL DESIGN OF LINES AND GROUNDING
Mechanical design of transmission line – sag and tension calculations for different weather conditions, Tower spotting, Types of towers, Substation Layout (AIS, GIS), Methods of grounding.
 

EE6402 Transmission and Distribution Previous Year Question Papers for the Regulation 2013



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