CSVTU BE VII Semester EEE Power Apparatus System Syllabus

CSVTU BE VII Semester EEE Power Apparatus System Syllabus

CHHATISGARH SWAMI VIVEKANAND TECHNICAL UNIVERSITY,BHILAI (C.G.)

Semester: 7th Branch: EEE / E&T

Subject: Power Apparatus System

 Total Theory Periods: 40 Total Tut Periods: 12

 Total Marks in End Semester Exam: 80

 Minimum number of Class tests to be conducted: 2

 UNIT I: Transmission Line Design & Overhead Line Design,  Types of Insulator, String Efficiency, Improvement of voltage distribution, Improvement of String Efficiency,

Line Supports, Types of Steel Towers, Cross Arms, Equivalent span, Conductor configurations, Spacing & Clearance, Sag & Tension calculations, Erection conditions, Factors affecting Sag, Sag Template, Catenary, Vibration of conductors & prevention, Selection of conductor size, Cross arm, No. Of circuits, Selection of ground wire

UNIT II: Electrical Substation & Earthing

:

Types of Substation, Layout and Bus Bar schemes, Voltage level, Substation equipments Protection &

Control

Substation Earthing, Tolerance limits of body currents, Soil resistivity, Earth resistance, Tolerable & Actual

Step & Touch Voltages, Design of Earthing Grid, Tower Footing Resistance, Measurement of soil & earth

resistivity

UNIT III: Power System Earthing

:

Ground versus isolated neutral, Solidly and effectively grounded system Resistance and Impedance

Grounding, Resonant Grounding, Reactance Grounding, Voltage Transformer Grounding, Zigzag

Transformer Grounding, Grounding practice, Effect of grounding on system over voltages & protection over

voltage and over voltage phenomenon in isolated and grounded neutral system.

UNIT IV: Surge Protection& Insulation Co-ordination:

External and Internal over voltages mechanism of lighting discharge, wave shapes of stroke current line

design based on direct stroke, over voltage protection, earth wire Rod gap T.F.R., Expulsion tube, surge

diverter.

General idea, Selection of B.I.L., International recommendation, Selection of arrester rating, Co-ordination

of protector devices with apparatus insulation

UNIT V: Reliability of Transmission & Distribution Systems:

Definition, Outage, Bath Tub Curve, Two State Model, Failure & Repair Rate, Probability Density Function,

Probabilities of Survival & Failure, Mean Time to Failure, Mean Down Time,

Reliability of Series & Parallel Systems, Two-State Fluctuating Enviornment, Approximate Method,eliability

Planning, Preparation of Reliability Models.

Textbook:

1. Power System Analysis & Design by B.R. Gupta –S.Chand

2. Sub Station Design and Equipment – Gupta & Satnam (Dhanpat Rai & Sons)

Reference books:

1. Transmission & Distribution – Westinghouse

2. A Course in Electrical Power – J.B. Gupta, Kataria

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