{"id":11978,"date":"2020-02-21T22:53:10","date_gmt":"2020-02-21T22:53:10","guid":{"rendered":"https:\/\/www.inspirenignite.com\/vtu\/15ee31t-dc-machines-and-alternators-electrical-3rd-sem-syllabus-for-diploma-dte-karnataka-c15-scheme\/"},"modified":"2020-02-21T22:53:10","modified_gmt":"2020-02-21T22:53:10","slug":"15ee31t-dc-machines-and-alternators-electrical-3rd-sem-syllabus-for-diploma-dte-karnataka-c15-scheme","status":"publish","type":"post","link":"https:\/\/www.inspirenignite.com\/vtu\/15ee31t-dc-machines-and-alternators-electrical-3rd-sem-syllabus-for-diploma-dte-karnataka-c15-scheme\/","title":{"rendered":"15EE31T: Dc Machines and Alternators Electrical 3rd Sem Syllabus for Diploma DTE Karnataka C15 Scheme"},"content":{"rendered":"

Dc Machines and Alternators detail DTE Kar Diploma syllabus for Electrical And Electronics Engineering (EE), C15 scheme is extracted from DTE Karnataka<\/a> official website and presented for diploma students. The course code (15EE31T), 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.<\/p>\n

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<\/a>. The detail syllabus for dc machines and alternators is as follows.<\/p>\n

Pre-requisites:<\/h4>\n

Elements of Electrical Engineering and Electrical Circuit Theory.\n<\/p>\n

Course Objectives:<\/h4>\n

To learn working principle, construction, operation and performance of D.C. Generator, D.C Motor, special Motors and Alternators.\n<\/p>\n

Course Outcomes:<\/h4>\n

For complete syllabus and results, class timetable and more pls download iStudy Syllabus App<\/a>.<\/b> Its a light weight, easy to use, no images, no pdfs platform to make students life easier.<\/p>\n

Unit 1 DC GENERATORS CONSTRUCTION AND WORKING 08hrs
\n<\/h4>\n

Working principle of D.C. Generator –<\/b>
\nPrinciple, Simple loop Generator, Direction of induced E.M.F.<\/p>\n

Construction and types of D.C Generators –<\/b>
\nConstruction -Yoke, Armature, field poles, field coils, Commutator, brushes-Materials used for construction -properties of these materials-Reasons for using these materials -slot insulation materials -properties. Functions of each part in brief. Types of DC generators with circuit representation.<\/p>\n

Armature windings-<\/b>
\nTypes of windings, Rules of lap & wave winding, application of lap & Wave windings.<\/p>\n

Induced E.M.F-<\/b>
\nE.M.F equation & problems.\n<\/p>\n

Unit 2 PERFORMANCE OF DC GENERATORS 06hrs
\n<\/h4>\n

Armature reaction-<\/b>
\nExplanation of armature reaction with sketches, De-magnetizing & cross -magnetizing effect, Compensating winding.<\/p>\n

Commutation-<\/b>
\nDefinition-Explanation -methods of improving commutation.<\/p>\n

Characteristics-<\/b>
\nOpen circuit, internal, external characteristics of separately excited D.C. Generator: – OCC of shunt Generator -critical resistance- conditions for voltage build up-failure to build up -internal & External characteristics of shunt Generator.<\/p>\n

Efficiency & voltage Regulation-<\/b>
\nLosses in D.C. Generator, Efficiency, voltage regulation & its importance-simple problems.\n<\/p>\n

Unit 3 DCMOTORS 12hrs<\/p>\n

For complete syllabus and results, class timetable and more pls download iStudy Syllabus App<\/a>.<\/b> Its a light weight, easy to use, no images, no pdfs platform to make students life easier.<\/p>\n

Unit 4 ALTERNATOR CONSTRUCTION AND WORKING 08hrs
\n<\/h4>\n

Alternator Principle – Construction – Types.<\/b><\/p>\n

Armature winding-<\/b>
\nTypes of armature windings, full pitch and fractional pitch windings and their advantages and dis-advantages.<\/p>\n

Emf equation-<\/b>
\nRelationship between P,N,f, emf equation, and Problems.<\/p>\n

Armature Reaction-<\/b>
\nArmature reaction in an alternator with sketches. Effects of load pf’s on armature reaction. Effects of armature reaction on terminal voltage.\n<\/p>\n

Unit 5 ALTERNATOR PERFORMANCE 12hrs
\n<\/h4>\n

Voltage regulation –<\/b>
\nProcedure for conducting O.C & S.C. tests on alternator with circuit arrangements Definition of effective resistance, leakage reactance & synchronous reactance. Calculate the synchronous impedance by O.C. & S.C. test results. Vector diagram of alternator on Load at different power factors. Equation for the no-load terminal voltage at different power factors. Voltage regulation – Definition. and methods to find voltage regulation. Determine regulation of 3-phase alternator byconducting O.C & S.C tests by EMF method.<\/p>\n

Parallel operation –<\/b>
\nConditions for parallel operation of single phase & three phase alternators, Parallel operation of three phase alternators using synchronoscope.<\/p>\n

Excitation Systems –<\/b>
\nMeaning and types of excitation. Static excitation system.<\/p>\n

Un-equal voltage –<\/b>
\nEffect of un-equal voltage on load sharing. Effect of change in excitation and prime mover input power on distribution of load.<\/p>\n

Hunting and its prevention –<\/b>
\nHunting in alternators and its prevention.<\/p>\n

Cooling –<\/b>
\nNecessity of cooling in alternators. Cooling agents. – Hydrogen cooling\n<\/p>\n

Unit 6 SPECIAL MACHINES 06hrs<\/p>\n

For complete syllabus and results, class timetable and more pls download iStudy Syllabus App<\/a>.<\/b> Its a light weight, easy to use, no images, no pdfs platform to make students life easier.<\/p>\n

Reference Books:<\/h4>\n
    \n
  1. Electrical Technology volume 2 – BL Theraja & A.K.Theraja S.Chand publication<\/li>\n
  2. Principles of Electrical Machines by V.K.Mehtha.S.Chand publication<\/li>\n
  3. Electrical Machines by M.N. Bandyopadhyay PHI Learning Pvt. Ltd.<\/li>\n
  4. Electrical Machines by Bhattacharya. Tata McGraw Hill Co.<\/li>\n
  5. Electrical Machines – J.B.Guptha Kataria & Sons Publications.<\/li>\n
  6. Generation of Electrical Energy by BR Gupta. S.Chand Publication.<\/li>\n
  7. Fundamentals of elecrical drives – G.K. Dubey Narosa publications.<\/li>\n
  8. Electrical Machines – Deshpande.<\/li>\n<\/ol>\n

    E-Resources<\/h4>\n
      \n
    1. http:\/\/www.schandgroup.com<\/li>\n
    2. http:\/\/phindia.com<\/li>\n
    3. http:\/\/ikbooks.com<\/li>\n<\/ol>\n

      Course Delivery:<\/h4>\n

      The Course will be delivered through lectures, classroom interaction, animations, group discussion, exercises and assignments.\n<\/p>\n

      Course Contents with Lecture Schedule:<\/h4>\n
        \n
      1. Introduction to Generator\t01 Hour<\/li>\n
      2. E.M.F induced in a Simple loop Generator and its direction.\t01 Hour<\/li>\n
      3. Construction of Yoke, Armature, Field poles, Field coils, Commutator, brushes. Properties of materials used in construction. Function of each part.\t01 Hour<\/li>\n
      4. Types of DC Generators and draw their circuit diagrams.\t01 Hour<\/li>\n
      5. Types of Armature windings, Rules of Lap windings and their application.\t01 Hour<\/li>\n
      6. Rules of Wave windings and their application.\t01 Hour<\/li>\n
      7. Derive induced E.M.F of a dc generator\t01 Hour<\/li>\n
      8. Problems on induced E.M.F\t01 Hour<\/li>\n
      9. Armature Reaction, De-magnetizing and Cross-magnetizing effect with sketches.\t01 Hour<\/li>\n
      10. Compensating winding.\t01 Hour<\/li>\n
      11. Commutation\t01 Hour<\/li>\n
      12. Methods of improving Commutation.\t01 Hour<\/li>\n
      13. Separately excited DC generator – Open circuit, internal, external characteristics.\t01 Hour<\/li>\n
      14. Shunt Generator – Open Circuit Characteristics, Critical Resistance, and Conditions for voltage build up, Internal and External Characteristics.\t01 Hour<\/li>\n
      15. Working principle -comparison of motor & Generator action.\t01 Hour<\/li>\n
      16. Back emf & voltage equation & simple problems.\t01 Hour<\/li>\n
      17. Types of motors:shunt, series & compound Motors draw their circuit diagrams with voltage equations.\t01 Hour<\/li>\n
      18. Torque developed by D.C motors. Meaning of Torque & torque equation[no derivation]\t01 Hour<\/li>\n
      19. Problems on Torque and Speed of DC motors.\t01 Hour<\/li>\n
      20. Torque – Speed, Speed – Load and Torque – Load Characteristics of Series, Shunt Motors.\t01 Hour<\/li>\n
      21. Torque – Speed, Speed – Load and Torque – Load Characteristics of Compound Motors and Applications of Motors.\t01 Hour<\/li>\n
      22. Methods of speed control of shunt motor, Explanation of Field control method.\t01 Hour<\/li>\n
      23. Explanation of speed control of DC motor by Armature resistance method.\t01 Hour<\/li>\n
      24. Block diagram of Electronic speed control.\t01 Hour<\/li>\n
      25. Necessity of Starter in DC motor.\t01 Hour<\/li>\n
      26. Construction and operation of 3-point starter.\t01 Hour<\/li>\n
      27. Introduction to alternators.\t01 Hour<\/li>\n
      28. Basic principle of Alternator.\t01 Hour<\/li>\n
      29. Construction of salient pole types of rotors.\t01 Hour<\/li>\n
      30. Construction of non-salient pole types of rotors.\t01 Hour<\/li>\n
      31. Full pitch Armature windings and Fractional pitch Armature windings.\t01 Hour<\/li>\n
      32. Advantages and dis-advantages of Full pitch and Fractional pitch Armature windings.\t01 Hour<\/li>\n
      33. Relationship between P,N,f and Derivation of emf equation.\t01 Hour<\/li>\n
      34. Simple problems on E.M.F equation.\t01 Hour<\/li>\n

        Directorate OfTechnical Education<\/p>\n

      35. Armature reaction in an alternator with sketches\t01 Hour<\/li>\n
      36. Effects of p.f of load on armature reaction and Effects of armature reaction onterminal voltage.\t01 Hour<\/li>\n
      37. Procedure for conducting O.C & S.C. tests on alternator with circuit arrangements Determine regulation of 3-phase alternator by conducting O.C & S.C tests by EMF method.\t01 Hour<\/li>\n
      38. Definition of effective resistance, leakage reactance & synchronous reactance. Calculate the synchronous impedance by O.C. & S.C test results.\t01 Hour<\/li>\n
      39. Vector diagram of alternator on Load at different power factors.\t01 Hour<\/li>\n
      40. Equation for the no-load terminal voltage at different power factors. Voltage regulation definition and methods.\t01 Hour<\/li>\n
      41. Necessity and Conditions for parallel operation of three phase alternators.\t01 Hour<\/li>\n
      42. Parallel operation of three phase alternators using synchronoscope.\t01 Hour<\/li>\n
      43. Meaning and types of excitation. Static excitation system.\t01 Hour<\/li>\n
      44. Effect of un-equal voltage on load sharing. Effect of change in excitation and prime mover input power on distribution of load.\t01 Hour<\/li>\n
      45. Hunting and its prevention in alternator.\t01 Hour<\/li>\n
      46. Necessity of cooling in alternators. Cooling agents. – Hydrogen cooling.\t01 Hour<\/li>\n
      47. working, construction and applications of Universal Motors\t01 Hour<\/li>\n
      48. working, construction and applications of Reluctance Motor\t01 Hour<\/li>\n
      49. working, construction and applications of Two phase , Four Pole Permanent magnet Stepper Motor\t01 Hour<\/li>\n
      50. working, construction and applications of Servo Motor\t01 Hour<\/li>\n
      51. working, construction and applications of Brushless D.C. Motors\t01 Hour<\/li>\n
      52. DC and AC Tachogenerators- construction, working and applications.\t01 Hour<\/li>\n<\/ol>\n

        Suggested Student Activities:<\/h4>\n

        Each Student has to prepare and submit at least 3 pages of self hand written report (Construction details, type of windings used, Insulating materials used, cooling methods, applications etc.,) preferably by visiting a nearby Substation\/ Power station\/ Industry\/ Factory etc., considering any one of the following topics.<\/p>\n

          \n
        1. DC Generators & DC Motors<\/li>\n
        2. Alternators<\/li>\n
        3. Special Machines<\/li>\n
        4. Cooling methods in Alternators<\/li>\n
        5. DC Motor Speed control techniques<\/li>\n<\/ol>\n

          Model Question Paper:<\/h4>\n

          (CIE)<\/p>\n

            \n
          1. Define dc generator and mention the important parts of dc generator.<\/li>\n
          2. Explain de-magnetizing and cross magnetizing effects<\/li>\n

            OR A DC generator of an 6 pole ,54slots,16 conductors per slot,1000rpm wave wound, useful flux per pole is 6.5mwb.calculate the generated voltage.<\/p>\n

          3. Draw the Internal Characteristics of separately excited D.C. generator<\/li>\n

            OR List the causes for the failure of voltage build up in a D.C shunt generator.<\/p>\n

          4. Draw the O.C.C. of a D.C. shunt generator and determine the critical field resistance.<\/li>\n

            Directorate OfTechnical Education\n<\/ol>\n<\/p>\n

            Model Question Paper:<\/h4>\n

            PART-A<\/b><\/p>\n

              \n
            1. Explain the working principle of a dc generator.<\/li>\n
            2. Draw the neat sketch of a dc generator and label the parts.<\/li>\n
            3. What is armature reaction? List its effects.<\/li>\n
            4. Illustrate the significance of back emf.<\/li>\n
            5. State the applications of shun t motor.<\/li>\n
            6. Describe the construction of salient type alternator.<\/li>\n
            7. Compute the relation between P,N,f.<\/li>\n
            8. Define effective resistance, leakage reactance & synchronous reactance.<\/li>\n
            9. State the applications of stepper motor.<\/li>\n<\/ol>\n

              PART – B<\/b><\/p>\n

                \n
              1. <\/li>\n
                  \n
                1. Name the properties of material used in dc generators. 4<\/li>\n
                2. A DC generator of an 6 pole, 54slots, 16 conductors per slot, 1000rpm wave Wound, useful flux per pole is 6.5mwb.calculate the generated voltage.\t6<\/li>\n<\/ol>\n
                3. <\/li>\n
                    \n
                  1. Draw the O.C.C. of a D.C. shunt generator and determine the critical field resistance. 6<\/li>\n
                  2. State the condition for maximum efficiency.\t4<\/li>\n<\/ol>\n
                  3. <\/li>\n
                      \n
                    1. Classify D.C. motor and write their voltage equations. 4<\/li>\n
                    2. Define torque, Write expressions for shaft Torque, Armature Torque.\t6<\/li>\n<\/ol>\n
                    3. <\/li>\n
                        \n
                      1. Explain the process of voltage build up of a DC shunt generator. 5<\/li>\n
                      2. List the applications of shunt generator.\t5<\/li>\n<\/ol>\n
                      3. <\/li>\n
                          \n
                        1. A 3-phase, 16-pole alternator has a star-connected winding with 144 slots and10 conductors per slots. The flux per pole is 0.03 wb, sinusoidally distributed and the speed is 375rpm. Find the frequency rpm and the phase and line emf. Assume full-pitched coil. 6<\/li>\n
                        2. Explain the armature reaction in an alternator with neat sketches.\t4<\/li>\n<\/ol>\n
                        3. <\/li>\n
                            \n
                          1. Discuss the effects of lagging p.f of load on armature reaction. 6<\/li>\n
                          2. Illustrate the effects of armature reaction on terminal voltage.\t4<\/li>\n<\/ol>\n
                          3. <\/li>\n
                              \n
                            1. Explain EMF method of finding regulation of alternator. 6<\/li>\n
                            2. State the necessity and conditions for parallel operation of three alternators.\t4<\/li>\n<\/ol>\n
                            3. <\/li>\n
                                \n
                              1. Explain with neat circuit diagram the static excitation of an alternator. 5<\/li>\n
                              2. Explain the effect of un-equal voltage on load sharing. 5<\/li>\n<\/ol>\n
                              3. <\/li>\n
                                  \n
                                1. Explain how is Hunting Prevented in alternators? 5<\/li>\n
                                2. Explain the construction and working of a brushless DC motor.\t5<\/li>\n<\/ol>\n
                                3. <\/li>\n
                                    \n
                                  1. Explain the construction and working of a universal motor. 5<\/li>\n
                                  2. Explain the construction and working of a servo motor.\t5<\/li>\n

                                    Directorate OfTechnical Education\n<\/ol>\n<\/ol>\n

                                    For detail syllabus of all other subjects of BE Electrical, C15 scheme do visit Electrical 3rd Sem syllabus for C15 scheme<\/a>.<\/p>\n

                                    Dont forget to download iStudy Syllabus App<\/a> for latest syllabus and results, class timetable and more.<\/p>\n","protected":false},"excerpt":{"rendered":"

                                    Dc Machines and Alternators 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 […]<\/p>\n","protected":false},"author":2298,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_bbp_topic_count":0,"_bbp_reply_count":0,"_bbp_total_topic_count":0,"_bbp_total_reply_count":0,"_bbp_voice_count":0,"_bbp_anonymous_reply_count":0,"_bbp_topic_count_hidden":0,"_bbp_reply_count_hidden":0,"_bbp_forum_subforum_count":0,"footnotes":""},"categories":[4,63],"tags":[],"class_list":["post-11978","post","type-post","status-publish","format-standard","hentry","category-3rd-sem","category-ee-diploma"],"_links":{"self":[{"href":"https:\/\/www.inspirenignite.com\/vtu\/wp-json\/wp\/v2\/posts\/11978","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.inspirenignite.com\/vtu\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.inspirenignite.com\/vtu\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.inspirenignite.com\/vtu\/wp-json\/wp\/v2\/users\/2298"}],"replies":[{"embeddable":true,"href":"https:\/\/www.inspirenignite.com\/vtu\/wp-json\/wp\/v2\/comments?post=11978"}],"version-history":[{"count":0,"href":"https:\/\/www.inspirenignite.com\/vtu\/wp-json\/wp\/v2\/posts\/11978\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.inspirenignite.com\/vtu\/wp-json\/wp\/v2\/media?parent=11978"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.inspirenignite.com\/vtu\/wp-json\/wp\/v2\/categories?post=11978"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.inspirenignite.com\/vtu\/wp-json\/wp\/v2\/tags?post=11978"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}