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1. ELE101/102

Basic Electrical Technology

Introduction to the course

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ELE 101/102 Dept of E&E,MIT Manipal 2

Course Overview

Course content

Overview of Electrical Power System

 Analysis of Electric Circuits

 Analysis of Magnetic Circuits

Introduction to Electrical Machinery

Electrical Measuring Instruments

References

1. Hughes E., Electrical and Electronic Technology 

, Pearson Education India,

8th Edition

2. Nagasarkar & Sukhija, Basic Electrical Engineering, Oxford University 

Press, 2005 

3. Kothari & Nagrath, Basic Electrical Engineering, Tata McGraw-Hill, 2nd 

Edition

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 Academic Schedule

Commencement of Class ± January 14, 08

Test 1 ± March 3rd to 5th, 08

Test 2 ± April 10th to 12th, 08

Test 3 ± May 8th to 10th, 08

Last working day ±May 24th, 08

End Semester Examination ±

May 16th, 08

Commencement of Next Semester ±

July 21th, 08

Make-up examination: - Before reopening

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ELE 101/102 Dept of E&E,MIT Manipal 4

4 Credit Course [ 3 1 0 4 ]

Bring non-programmable scientificCalculators

Grading system

In-Semester Evaluation ± 50 %

Best 2 of 3 Tests ± 40 %Test duration: - 1 Hour & No Choice

 Assignments ± 10 %

5 Problem Sheets (5 assignments)

Late Submission not permitted

End Semester Evaluation ± 50 %

3 Hour, 5 out of 6 Questions

 Attendance

Compulsory 75 % of contact hours

Announcements

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ELE 101/102 Dept of E&E,MIT Manipal 51

Electric Power System

Branch of Electrical Engineering which

deal with the Technology of 

Generation,Generation,

TransmissionTransmission and and 

DistributionDistribution

DC Power system: -

Pearl Street Station in New York City, 1882

³Illuminating Companies´ by Thomas A.

EdisonThree phase AC Power System, 1896

2 Generators & Transmission line @ 25 Hz

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Three Phase AC Supply

R 

Y

B

N

t

R  Y B

3  L phV V !

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Power System Components

Generation subsystemTransmission subsystem

Sub-transmission subsystem

Distribution subsystemProtection & Control subsystem

Most complex man made system! 

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Power System Structure

SUB TRANSMISSION

NETWORK 

EHV AC: 765 kV, 400 kVHV AC: 220 kV

HVDC: s 500 kV

132 kV, 110 kV,

66kV, 33 kV

TRANSMISSION

NETWORK 

GENERATION

TO OTHER 

POOL MEMBER 

TO OTHER 

POOL MEMBER 

Very large

Customers

LargeCustomers

MediumCustomers

Small Customers

(3 Phase 415 V/ 1 Phase, 240 V)

DISTR IBUTION

NETWORK 

11 kV

415 V

Primary

Secondary

3 Phase, 50 Hz

11 kV to 22 kV

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Summary

Power System deals with Generation, Transmission &

Distribution of Electric EnergyBulk Power Generation is 3 Phase AC @ 11 kV to 22 kV

Transmission Networks ± EHV AC or HVDC

Operates @ 765 kV/ 400 kV/ 220 kV AC or s 500 kV DC

 AC Sub-Transmission NetworksOperates @ 132 kV/ 110 kV/ 66 kV/ 33 KV

Distribution Network

Primary side: 11 kV & Secondary side: 415 V, 4 wire

Protection & ControlRelays, Switchgears

Substations

Control room & Switchyard