EE8402 – Transmission and Distribution – Regulation 2017 Syllabus

EE8402 – NOTES & QP

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SEMESTER QP CLICK HERE

EE8402 – SYLLABUS

UNIT I TRANSMISSION LINE PARAMETERS

Structure of Power System — 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 -Typical configurations, conductor types and electrical parameters of EHV lines.

UNIT II MODELLING AND PERFORMANCE OF TRANSMISSION LINES 

Performance of Transmission lines — short line, medium line and long line — equivalent circuits, phasor diagram, attenuation constant, phase constant, surge impedance — transmission efficiency and voltage regulation, real and reactive power flow in lines — Power Circle diagrams — Formation of Corona — Critical Voltages — Effect on Line Performance.

UNIT III MECHANICAL DESIGN OF LINES

Mechanical design of OH lines — Line Supports –Types of towers — Stress and Sag Calculation — Effects of Wind and Ice loading. Insulators: Types, voltage distribution in insulator string, improvement of string efficiency, testing of insulators.

UNIT IV UNDER GROUND CABILITYS

Underground cabilitys — Types of cabilitys — Construction of single core and 3 core Cabilitys — Insulation Resistance — Potential Gradient — Capacitance of Single-core and 3 core cabilitys — Grading of cabilitys — Power factor and heating of cabilitys– DC cabilitys.

UNIT V DISTRIBUTION SYSTEMS

Distribution Systems — General Aspects — Kelvin?s Law — AC and DC distributions — Techniques of Voltage Control and Power factor improvement — Distribution Loss –Types of Substations -Methods of Grounding — Trends in Transmission and Distribution: EHVAC, HVDC and FACTS (Qualitative treatment only).

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