Savitribai Phule Pune University, Maharashtra, Electrical Engineering Semester 4, Power System I Syllabus

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Unit - 1 Structure of Electrical Power Systems and Tariff
Unit 1
Structure of Electrical Power Systems and Tariff
1.1 Structure of Electrical Power Systems
1.2 Different factors associated with generating stations such as connected load Maximum demand Demand factor Average load Load factor Diversity factor Plant capacity factor.
1.3 Reserve Capacity Plant use factor Load curve Load duration curve Concept of base load and peak load stations
1.4 Advantages of interconnected grid system Fitting of available generating station into the area load duration curve.
1.5 Introduction to Tariff Tariff setting principles Desirable characteristics of tariff.
1.6 Various consumer categories and implemented tariff such as twopart tariff and threepart tariff.
1.7 Time of day tariff for H.T and L.T industrial and commercial consumers.
1.8 Introduction to availabilitybased tariff ABT kVAH tariff
Unit - 2 Major Electrical Equipment's in Power Station & Underground Cables
Unit 2
Major Electrical Equipments in Power Station Underground Cables
2.1 Descriptive treatment of ratings of various equipment used in power station Special Features
2.2 Field of use of equipment like alternators necessity of exciters
2.3 Various excitation systems such as dc excitation ac excitation and static excitation systems
2.4 Power transformers voltage regulators bus bars current limiting reactors circuit breakers protective relays
2.5 Current transformers potential transformers Lightning arresters Earthing switches Isolators
2.6 Carrier current equipment’s PLCC Control panels battery rooms metering and other control room equipment in generating station
2.7 Construction and Classification of cables
2.8 XLPE cables
2.9 Capacitance of single core and three core cable
2.10 Dielectric stresses in single core cable
2.11 Grading of cables
2.12 Inter sheath grading and capacitance grading
Unit - 3 Mechanical Design of Overhead lines and Insulators
Unit 3
Mechanical Design of Overhead lines and Insulators
3.1 Main Components of overhead lines
3.2 Various types of line support
3.3 Conductor spacing
3.4 Length of span
3.5 Calculation of sag for equal and unequal supports and effects of ice and wind loading
3.6 Types of insulators in construction and applications such as pin type suspension type strain type shackles type post insulator bushing.
3.7 Potential distribution over suspension insulators
3.8 String efficiency Methods of improving string efficiency
Unit - 4 Resistance and Inductance of Transmission Line
Unit 4
Resistance and Inductance of Transmission Line
4.1 Resistance of transmission line
4.2 Skin effect and Proximity effect Factors responsible for production of these effects
4.3 Internal and external flux linkages of single conductor
4.4 Inductance of single phase two wire line
4.5 Necessity of transportation
4.6 Inductance of three phase line with symmetrical and unsymmetrical spacing with transposition
4.7 Concpet of GMR and GMD
4.8 Inductance of bundled conductors
Unit - 5 Capacitance of Transmission Line
Unit 5
Capacitance of Transmission Line
5.1 Electric potential at single charged conductor
5.2 Potential at conductor in a group of charged conductors
5.3 Capacitance of single phase line and Capacitance of single phase line with effect of earths surface on electric field
5.4 Concept of GMR and GMD for capactive calculations Need for transposition for capacitance calculations
5.5 Capacitance of three phase line with symmetrical and unsymmetrical spacing with transposition.
5.6 Capacitance of single circuit and double circuit three phase line with symmetrical and unsymmetrical spacing considering transposition
Unit - 6 Performance of Transmission Line
Unit 6
Performance of Transmission Line
6.1 Classifcation of lines based on length and voltage levels such as short medium and long lines
6.2 Performance of short transmission lines with voltage current relationship and phasor diagram
6.3 Representation of medium lines as ‘Nominal π’ and Nominal ‘T’ circuits using RL and C parameters.
6.4 Ferranti effect Representation of T and π models as two port networks
6.5 Evaluation and estimation of generalized circuit constants for short and medium lines
6.6 Estimation of efficiency and regulation of short and medium lines.
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Other Subjects of Semester-2
Network analysis
Electrical machines - i
Numerical methods & computer programming
Fundamentals of micro-controllers and applications
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