E.801 Interconnected Power System

1.    General  system  modeling-per unit system- power transfer through

     transmission - universal circle diagram - MVAR control-voltage      control methods.

2.  Load flow study : Introduction-Network model formulation-          formation of bus admittance  matrix-load flow problem-approximate      load flow solution - Shipley inversion method - Gauss sidle             method - Newton Raphson method - comparison.

3.  Economic  operation  of power system : Economic operation       of generators within the plant-transmission losses as function of plant  generation. Economic  distribution of load between plants     co-coordinating transmission losses - Kron's method of evaluating loss co-efficient–penalty factor-Algorithm of different schemes.           - Automatic load dispatching.

4.  Load frequency control : Introduction - Single area control of     frequency-modeling of turbine governor, turbine & generator steady      state analysis-principle of frequency control - flat  frequency,      selective, tie line control methods.

5.  Power system stability : Stability problem-classification         -power angle characteristic-steady state & transient state stability & their limits.Dynamics of synchronous machines &       swing equation-synchronizing  power co-efficient-equal area    criterion of stability & its application -critical clearing time         & angle - numerical solution.

    Visit : Students are required to visit LDC for power control study.

     Reference books :

    (1)  Modern power system analysis -  Nagarth & Kothari (Tata                                              Mcgraw Hill)    

    (2)  Power System Analysis - Stevenson (Mcgraw Hill)   

    (3)  Electrical Power System - C.L. Wadhva (Wiley Eastern)

E.802 Electrical Machine Design

1.  General  Aspects:Insulating materials & classification-Heating of       electrical machines-cooling of transformers & rotating  machines        electrical & Magnetic loading-output co-efficient-factors affecting        size of machines -

2.  Transformer Design:Output equation-optimum design considerations with a view to core loss, copper loss & weight of active materials-variation of output & losses with linear dimensions-design of core-selection of type of winding & its design-window space factor & dimensions-design of yoke & overall dimension-leakage reactance &  resistance of  winding-regulation-mechanical forces-No load current-change of parameters with frequency-temperature rise-design of cooling system.

3.  Induction Motor Design : Output equation-main dimensions   -stator        winding-stator slots..shape & area-stator core & teeth-LMT-rotor design    -air gap length calculations selection of rotor slots-design  of  rotor     bars  & end ring-harmonic torques & reduction of harmonic torques-rotor winding design for would rotor - design of rotor  teeth & core.

      Calculations   of no  load & short circuit - circle diagram -           dispersion co-efficient -

4.  Design D.C. machines: Output equation-selection of number of    poles,     Core length & armature diameter-pole proportion & profile-length of air           -gap. Armature design-choice of winding-no.of conductors & slots-slot      dimensions-arm.voltage drop-design of arm. core.Design of field system    -design of interlope, commutater & brushes-calculations of losses and       efficiency.

5. Design of synchronous machines :output equation-main dimensions -     short circuit ratio & its consideration-air gap length-shape of pole          face-arm. design-armature winding–slots    -LMT & stator core-calculation   of arm. resistance & reactance-design of rotor-design of pole & pole        winding -short  circuit      characteristic  &  performance  evaluation -

Term work:At least design of 3 machines will be done by students & relevant design report as well as drawing sheets in full size will be submitted as term work.Sketches of components & parts of designed machines will be drawing in sketch book & submitted as part of term work.

Books:(1) A course in electrical machine - A.K.Sawhney (Dhanpatrai & Sons)

      (2) Perf. & design of a.c. machines - M.G. Say (ELBS)

      (3) Performance & design of d.c. machines - Clayton (ELBS)

E.803 Electrical Commissioning , Testing & Estimating

1.  Commissioning of A.C.Motors:Insulation test,air gapes,bearings,       perliminary run,starting torque & speed control,induction motor stator     & rotor interaction balance & vibration,ventilation & colling, staters,  syn. motors.A.C. motor troubles-insulation failure due to transient     voltage-low starting torque-pull out & stalling torque-law pf-excessive slip crowli-single phasing - unbalanced operation  of  a.c. motors.

2.  Commissioning of transformers:Insulation resistance & HV test of      winding. condition of coil insulation & oil–drying out of transforemer     -connection &  phasing group-cooling &  rating-temp. meas. & protection    -parallel operation of transformers -correct pairing of transformer        -transformer troubles.

3.  Commissioning of D.C.generators:Voltage build-up parallel operation     -voltage regulation–commutation problem – miscellaneous troubles.

4.  D.C.motors : factors affecting speed control, torque, breaking.

5.  Preparation of alternator prior to putting in to commercial      service :Preparation & drying out of alternator winding-insulation      resistance measurements-HV test -measurement    of  temp. of winding -alt. protective  gear tests-earth leakage protection,phase  sequence &       synchronizing – starting     time & pick up of load-neutral point earthing.

6.  Parallel operation of alternator :load sharing – voltage control          -p.f.control-sharing of KVA & freq. control - interconnection.

7.   Alternator troubles:Instability & loss of field alternator              instability-heating & cooling of windings-wear & troubles of slipring,            bearings-unbalance knowledge.    

 Books for reference :

1. Testing commissioning operation maintainace of  Electrical  Equipment by S.S. RAO   

2.   The commissioning of Electrical PlantRCH richardson (Chapman & Hall)

E.804 Elective paper –II : Power System Operation & Control

1.  Economic  operation in generating plant : optimal unit          commitment  using dynamic programming (D.P.) method – Reliability &      security constraints-UC table- start up condition. Hydrothermal         co-ordination.

2.  Load frequency control : Frequency control of two area system.

3.  Power  system short circuit study :short circuit study of        unsymmetrical faults - Algorithm - bus impedance matrix method.

4.  Power system stability study: stability study of multi machine       system.

5.  Neutral grounding : Effectively grounded system – ungrounded system     -resonant grounding-methods of neutral grounding generator    neutral          breaker - grounding practice.

6. Insulation  co-ordination & over voltage protection  :         volt-time  curve  - over  voltage  protection - ground wires -      surge protection  of  rotating machines and transformers.

7.  Load  flow study : Newton Raphson method - voltage control profile use of regulating transformer-decoupled load flow problem - fast  decoupled load flow study - voltage control method.

 Term work : Laboratory work will be based on above syllabus.

 Visit : Students will be required to visit substations, power stations to  enhance practical knowledge.

 Books :(1) Modern Power System Analysis - Nagrath & Kothari (TMH)

            (2) Electrical Power System - C.L.Wadhwa (Wiley Eastern)

E.804 Elective paper –II : Advanced Microprocessor

(Microprocessor group).

1.   Microprocessor  Evolution  : Common  microprocessor  types  -      dedicated controllers-bit slice  processors  and  general purpose      CPUs. -Introduction to 8086, 8088, 80286, 80386 & 80486 CPUs.

2.   Architecture  and  programming of 8086 : Organization of       8086 -memory,registers, addressing  modes, programming of 8086  -     stack  operation, string  operation and I/O operations. Bus             structure and timing, MUX  mode  operation, 8086 interrupts.

3.  Microprocessor   based  system  developments  aids:            monitors,editor, operating  system,  interpreter,  file  manager,      linker  loader/locator, compiler, macros. 

4.  8086  :  System hardwares & connections - instruction study of           8086  and additional programming techniques.

5.   Micro  controllers  :  Concept of single chip microprocessor.     Study  of 8031/8051, 8096, 7810 micro controllers. 

6.   Micro controller application hardwares.

     Term work : T/w based on above syllabus

     Books :

(1) Introduction to microprocessors - A.P. Mathur (TMH)

(2) Microprocessor and interfacing - Programming and hardware

                                    - Douglass V. Hall (McGrawHill)

(3) Design with micro controllers - John B.Peatman (McGrawHill)

E.804 Elective paper –II : Communication System

(Communication  Engineering group).

1.  Receivers  :  Superhyterodyne and HF communication receivers,           choice of intermediate and oscillator frequencies,  image rejection,     channel selectivity, tracking and automatic gain control.

2.   Telephone systems : Wire telephony and public telephone network.

3.   Digital  communications  : bit  transmission, signaling rate,     error probability,digital filtering, pulse-code modulation,delta             modulation, coding  and codes, error detection and   correction          codes, digital  carrier systems.

     Teleprinters and telegraph circuits, radio telegraph transmitters.

4.Television:Facsimile transmission, television, televisio signals,    television transmitters and receivers.

5. Satellite  communication : orbits, station keeping,satellite     altitude,transmission  path,path loss,noise  consideration,     satellite     system,saturation  flux  density, effective isotropic     radiated  power,   multiple access methods.

6.  Fiber  optic communications :Principle of light transmission     in  fiber,losses  in  fibers, dispersion,light sources for  fiber optics, photo detectors, connectors, and splices, fiber optic          communication systems.

Ref :

(1) Electronic communications by - Dennis Ruddy & John Colin Prentice    Hall of India

      (2) Electronic Communications by - Kennedy

      (3) Electronic Communications by - Sanjeeva Gupta, Khanna Pub.

      (4) Telecommunications by - S. Ramabhadran, Khanna Pub.

E.805 PROJECT & SEMINAR

A  student is required to select a topic relevant to any of the  subjects studied during his course of B.E. (Elect.)

He will prepare seminar report & will deliver a talk on his work.

He will then carry out elaborated project work based on his seminar. 

The project  may  be either design & fabrication work or a review work  or  a simulation  of  problem on computer or a detailed  study  of  engineering units like power plant, electrical installation etc.

A detail project report will be submitted, as term work.