Dc Machines and Alternators Lab detail DTE Kar Diploma syllabus for Electrical And Electronics Engineering (EE), C15 scheme is extracted from DTE Karnataka official website and presented for diploma students. The course code (15EE35P), and for exam duration, Teaching Hr/week, Practical Hr/week, Total Marks, internal marks, theory marks, duration and credits do visit complete sem subjects post given below. The syllabus PDFs can be downloaded from official website.
For all other electrical 3rd sem syllabus for diploma c15 scheme dte karnataka you can visit Electrical 3rd Sem Syllabus for Diploma C15 Scheme DTE Karnataka Subjects. The detail syllabus for dc machines and alternators lab is as follows.
Pre-requisites:
Knowledge about fundamentals of electrical engineering, Electrical circuits, DC machines and Alternators.
Course Objectives:
To impart technical skills to the students through practical training that would enable the students to conduct experiments on DC Machines and Alternators using suitable tools and equipments adopting safety measures, interpret the results, identify and locate faults, suggest remedies and perform general preventive maintenance in the Electrical Laboratory.
Course Outcomes:
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LIST OF GRADED EXPERIMENTS:
- Identify and practice touse of:-
- series test lamp,
- Megger,
- Earth tester
- Multimeter,
- Tongue tester,
- Neon tester. 03
- Identify and practice to useof :-
- AC, DC, AC / DC meters
- Rheostats
- tachometers , Analog and Digital.
- Phase sequence indicator. 03
- Identify the parts of D.C. machines, note down the name plate details and interpret it. 03
- Identify the terminals, and test the field and armature windings of a DC machine for open circuit, short circuit and ground faults using test lamp / megger, check the insulation resistance, identify and locate the possible faults. 03
- Identify the parts of special machines: universal motor, stepper motor and brushless DC Motor, and test the coils and windings for its working condition. 03
- Identify the partsof a 3 point starter, test it ,and locate the faults and Suggest remedies, Note down the name plate details and interpret it. . 03
- Identify the parts of an Alternator, note down the name plate details and interpret it. 03
- Identify the terminals, and test the field and armature windings of a Alternator for open circuit, short circuit and ground faults using test lamp / megger, check insulation resistance, Identify and locate the possible faults and suggest remedies. 03
- Trace and draw the layout of different electrical machinesin the laboratory andtheirpower circuit wiring, healthy condition of fuses, switches ,MCB, ELCB check them for proper voltage, identify faults if any ,and rectify. 03
- Identify DC supply source / M-G set/ Rectifier, Main Control Panel, Distribution panel, Sub-Panels and the protection schemes in the Electrical laboratory, and maintain them, for proper operation. 03
- Check for proper EARTHING ,in the Electrical laboratory, and maintain them for proper operation. 03
- Draw the O.C.C (no-load or magnetization characteristics) of a Self excited DCshunt generator. Determine the critical resistance. 03
- Draw the load characteristics of DC Shunt generator. 03
- Connect, start and run a DC. Motor using a 3 point starter. 03
- Control the Speed of DC shunt motor byFlux Control Method. Plot the graph. 03
- Control the Speed of DC shunt motor by Armature voltage control. Plot the graph. 03
- Draw the Speed v/s armature current characteristics of a DC shunt motor by indirect loading method. 03
- Draw the magnetization characteristics of 3-ph alternator. Determine the critical resistance. 03
- Determine regulation of a 3-ph alternator by direct loading. 03
- Determine regulation of 3-phase alternator by conducting O.C & S.C tests by EMF method. 03
- Conduct parallel operation of 3-ph alternators by Dark Lamp OR Bright Lamp OR Synchroscope method. 03
- Perform general preventive maintenance on DC Machines and 3 point starters. 03
- Perform general preventive maintenance on Alternators and Panel Boards. 03
- Perform general preventive maintenance on fuses, switches, rheostats, ,etc 03
- Internal Tests. 06
Reference Books:
- Experiments in Basic Electrical Engineering by S. K. Bhattacharya, New Age International Publications, 2007 Edition.
- Electrical trade theory and trade practice ( 1st and 2nd year) – National Instructional Media Institute (NIMI)
- Laboratory courses in Electrical Engineering. by S.G. Tarnekar, P. K. Karbanda and others, S. Chand Publishers.
- Electrical Machines by M.V.Deshpande-PHI Publications.
- Electrical Motors Application and control byM.V.Deshpande-PHI Publications.
e-Resources:
For complete syllabus and results, class timetable and more pls download iStudy Syllabus App. Its a light weight, easy to use, no images, no pdfs platform to make students life easier.
Course Delivery:
The Course will be delivered through Tutorial, classroom interaction, group discussion, practical exercises , and Student Activities.
Tutorial – 1Hr:
Staff-in-charge will
- Explain the concept of experiment to be conducted.
- Teach required selection of meters/ Electrical Machines/Equipment specified connecting wires for the experiment to be conducted.
- Use multimedia (animations and videos) for demonstrating dis-assemble, assemble identifying the parts and maintenance of equipments.
- Ask the students to draw the circuit and interpret it’s working.
- Give clear instructions about safety precautions to be followed while conducting experiment.
Note: Tutorial includes Identification of tools / equipments for testing electrical machines, listing the parts of DC Machines, 3 point starter, Alternator, Identify and locate faults, suggest suitable remedies, etc.
Conduction/ Execution – 2 Hr:
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SUGGESTED STUDENTS ACTIVITIES:
Student has to submit a self hand written report of minimum 3 pages of any ONE activity listed below.
- Tests conducted on Electrical machines as per industrial standards / requirements.
- Fault identification and repair of DC machines, Alternator and special machines.
- Applications of special machines like universal , Brushless motor, stepper motor, etc.
- Prepare Maintenance schedule for motors and generators in the Electrical lab and perform maintenance as per schedule and record it.
- Prepare models and charts related to DC machines and Alternator
- Dis-assemble and assemble procedure / techniques as per standard practice.
- Rewinding practice of DC machine and Alternator.
- Prepare a suitable panel board for Electrical machines and equipments.
- Visit nearby Industry/Substation/Power Generating Station, and prepare a report on the Motors and Generators used ,and their purpose.
Scheme of Valuation for SEE (Semester End Examination)
- Identifying the parts and selection of meters/equipment. 05
- Circuit diagram with Procedure for one experiment. 10
- Connections ,Conduction and Tabulation of Readings 20
- Calculation and Results 05
- Viva-voce 10
LIST OF LAB EQUIPMENTS :
- Induction motor driven D.C. Compound gen. I.M 25Hp,440V 3phase, D.C.gen.15kW,110/220V One set
- Static converter Input-3phase, 440V,50Hz. Out put -15kW,0-220V Continuously variable. One set
- Central distribution board with control gear and power supply panel for all M/C. One
- M-G. Set D.C.-D.C. 1/3kW 110/220V D.C. (shunt)with starter. with panel board indicating motor, Generator, meters brought out connections to connecting terminals. One sets
- M-G. Set D.C.-D.C. 1/3kW 110/220V D.C. (Compound) with starter. with panel board indicating motor, Generator, meters brought out connections to connecting terminals. One set
- I.M.-5HP,3 phase,440V 50Hz D.C. gen 3kW,110/220D.C. Set. with starter with panel board indicating motor, Generator, meters brought out connections to connecting terminals. One set
- Pole changing /winding study motor One
- F.HP-motors Universal/hysteresis and servo motors. One each
- Variacs 3phase Two
- Variacs single phase Six
- Loading Rheostats 2kW,5kW Two
- Loading Rheostats-lamp loads. Two
- 3 phase choke coil-continuously variable Two
- 3 phase Capacitor bank. Two
- Wire wound rheostats -assorted ranges. 30
- Tachometers (Analog -3 and Digital-3. 06
- Portable DC Moving coil ammeter -multirange (0-1-2-5-1020. 30
- Portable DC Moving coil Voltmeters -multirange (0-2-10-15-30-75-150-300V. 20
- Portable Moving iron ammeter -multirange (0-1-2-5-10-20. 20
- Portable Moving iron Voltmeters -multirange (0-5-10-15-30-75-150-300-600V. 20
- Multimeters analog and digital 04
- Watt meters
- Dynamometer type lpf 75/300/600V,1/2A
- Dynamometer type upf 75/300/600V,5/10A
- Dynamometer type upf 75/300/600V,15/30A 02 04 04
- 3 phase watt meters 0-300/600V 15/30A 02
- Portable pf meters 02
- Frequency meters read type and digital type 02
- Synchronous scope 02
- Phase sequence indicator 02
- Knife switches SPST,DPST,DPDT,TPST,TPDT etc. 40
- Galvanometers centre zero type 10
- Megger 500 V, 1000V, 1500 V 03
- Earth tester. 03
- Tong tester analog and digital 04
- Compass needles 05
- Work benches 10
- Steel almirahs 10
- Steel racks 10
- Iron clad switches 30A,60A,100A. 20
- D-G set 20 kVA ,3phase, 50Hz 01
- Change over switch 60A,100A 04
For detail syllabus of all other subjects of BE Electrical, C15 scheme do visit Electrical 3rd Sem syllabus for C15 scheme.
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