APPSC Government Polytechnic Lecturers Electrical And Electronics Engineering Syllabus 2012
APPSC Polytechnic Lecturers Notification 2012 has been released for filling up 138 Polytechnic Lecturers Electrical And Electronics Engineering vacancies in Government Polytechnic Colleges,Andhra Pradesh.Candidates who are desirous for Lecturer jobs in Government polytechnic colleges and satisfy eligibility criteria can apply online from 06-11-2012 to 06-12-2012. Check Paper II Polytechnic Lecturers Electrical And Electronics Engineering Syllabus for Written Examination.
Scheme/Pattern of Written Examination
|Paper-1||General Studies & Mental ability||150 Marks||150 Qns.||150 Minutes|
|Paper-2||Concerned Subject||300 Marks.||150 Qns||150 Minutes|
|PART-B: ORAL TEST (Interview)||50 marks|
Electrical And Electronics Engineering Syllabus
01. ELECTRIC CIRCUITS, FIELDS & MEASUREMENTS:
Network elements – Ohm’s law and Kirchoff’s laws – formation of mesh and nodal equations – topological description of networks – response of R, L and C elements to arbitrary excitations – Laplace transform method of analysing networks. Network theorems – superposition, Thevenin’s Norton’s theorems – Maximum power transfer thereciprocity theorem – applications – two port parameters – Z, Y, ABCD, H para meters – their relationships. A.C. Circuits – single phase circuits – J-notation – calculations – resonance – Polyphase –
circuits – measurements of polyphase power. Electromagnetic theory – general relations in static fields – potential gradient and field intensity – flux density – Gauss’s law – Poisson and Laplace equations – relations in electromagnetic fields – ampere’s law – flux and flux density – divergence and curl – vector magnetic potential. Electrical measurements – Types of measuring instruments – Principles of operation – extension of ranges – instrument transformers.
02. CONTROL SYSTEMS, COMPUTATION AND ELECTRONICS
Control systems – Types of servo mechanisms – equations and models of linear systems – block diagrams – time response of second order systems – stability criteria – root locus
technique – frequency response – Nyquist criterion – Bode plots. Elements of computation: Digital systems – flow charts and algorithms – FORTRAN – types of statements – logical expressions – Assignment statements – program structure – Scientific and Engineering applications. Electronics: Solid-state devices and circuits – small signal amplifier design – feedback amplifiers – Oscillators – FETS – Thyristors.
03. ELECTRICAL MACHINES:
Principles of Electromechanical Energy Conversion: Basic ideas of production of torque – concepts of generation of voltages – formulae for voltage and torque production.
Three phase induction motors: The revolving field theory – Principles of operation of induction motor – torque equation – Computation of performance – torque speed characteristics – motor starters – conventional and thyristor controllers for speed control of induction motors. Single phase motors: Revolving field theory – types of single-phase motors – equivalent circuits – speed control – applications. Synchronous machines: Generation of 3-phase voltages – types of synchronous machines – equivalent circuit – experimental determination of reactances – voltage regulation and efficiency – parallel operation – transient and subtransient reactances – synchronous motors – theory of operation – -phase of diagram – equivalent circuit – performance and power factor control – applications. Special machines: Two phase servomotors – stepper motors – methods of operation – metadyne and amplidyne – operating characteristics and applications. D.C. Machines and Transformers.
04. POWER SYSTEMS:
Generation: Methods of power generation – steam, hydro, nuclear, diesel – selection of site for each – general layout of each type – function of each component – economics of different types – base and peak load stations – pumped stations – simple calculations in hydro station design. Transmission: A.C. Vs. D.C. transmission – criteria for selection of voltages – transmission line parameters – G.M.D. and G.M.R – concepts for short, medium and long lines – line calculations – A.B.C and D constance – load flow analysis – surge impedance loading. Corona and insulators: production of corona – disruptive and visual corona – corona loss – methods to avoid corona – types of insulators – string efficiency.
Fault analysis: Per unit representation: fault analysis – Symmetrical and unsymmetrical faults – application of symmetrical components – reactors. Protection: Switch gear – methods of arc extinction – classification of circuit breakers – definitions – calculations in switch gear – testing of circuit breakers – Relaying principles – primary and back up relaying – definitions – operation of different types of relays – applications to line, transformer and generator protection – protection of lines and equipment against voltage surges – travelling wave theory. Utilisation: Industrial drives – motors for various applications – braking – methods of heating and welding – welding transformer – Economics and other aspects of track electrification.