Alternating Current Machines by M.G. Say - Alternating Current Machines by M.G. Say This revised text remains the same as the previously successful editions in. M G Say, I read this when I was student during 1967-70. This is an excellent book to learn on fundamentals and also design of transformer. You also notice that the english is also good, and improve your technical language. I recommend the younger generation to buy, study and improve your technical knowledge. Historically, DC machines were the first to be developed because the only available electrical power source was the DC voltaic cell. The advantages of alternating current were later recognised, and the invention of the induction motor was an important factor in securing acceptance of the alternating current system.
Here you can download the free lecture Notes of Electrical Machines 1 Pdf Notes – EM 1 Pdf Notes materials with multiple file links to download. The Electrical Machines 1 Notes Pdf – EM 1 Notes Pdf book starts with the topics covering Electromechanical Energy conversion, Construction & Operation, Generator:Armature reaction, separately excited and self excited generators, Load characteristics of shunt, Principle of operation, Speed control of d.c. Motors, Testing of d.c. machines: Losses, Etc.
Electrical Machines 1 Pdf Notes – EM 1 Pdf Notes
Latest Material Links
Complete Notes
Link – Complete Notes
Unit 1
Link – Unit 1 Notes
Unit 2
Link – Unit 2 Notes
Unit 3
Link – Unit 3 Notes
Unit 4
Link – Unit 4 Notes
Unit 5
Link – Unit 5 Notes
Old Material Links
Complete Notes
Link:Complete Notes
Unit 1
Link:Unit 1 Notes
Unit 2
Link:Unit 2 Notes
Unit 3
Link:Unit 3 Notes
Unit 4
Link:Unit 4 Notes
Unit 5
Link:Unit 5 Notes
Note :- These notes are according to the r09 Syllabus book ofJNTUH.In R13 & R15,8-units of R09 syllabus are combined into 5-units in r13 syllabus.Click here to check all the JNTU Syllabus books
UNIT – I
Electromechanical Energy Conversion:Electromechanical Energy conversion – forces and torque in magnetic field systems – energy balance – energy and force in a singly excited magnetic field system, determination of magnetic force – co-energy – multi excited magnetic field systems.
UNIT – II
D.C. Generators – Construction & Operation:D.C. Generators – Principle of operation – Action of commutator – constructional features – armature windings – lap and wave windings – simplex and multiplex windings – use of laminated armature – E. M.F Equation – Problems
UNIT – III
Armature reaction in D.C. Generator:Armature reaction – Cross magnetizing and de-magnetizing AT/pole – compensating winding – commutation – reactance voltage – methods of improving commutation.
UNIT – IV
Types of D.C Generators:Methods of Excitation – separately excited and self excited generators – build-up of E.M.F – critical field resistance and critical speed – causes for failure to self excite and remedial measures.
Electrical Machines 1 Notes Pdf – EM 1 Notes Pdf
Electrical Machines Pdf Notes
UNIT – V
Load Characteristics of Generators:Load characteristics of shunt, series and compound generators – parallel operation of d.c series generators – use of equalizer bar and cross connection of field windings – load sharing.
UNIT – VI
D.C. Motors :D.C Motors – Principle of operation – Back E.M.F. – Torque equation – characteristics and application of shunt, series and compound motors – Armature reaction and commutation.
UNIT – VII
Ac Machines By M G Say Goodbye
Speed control of D.C. Motors:Speed control of d.c. Motors: Armature voltage and field flux control methods. Ward-Leonard system. Principle of 3 point and 4 point starters – protective devices.
UNIT – VIII
Testing of D.C. Machines:Testing of d.c. machines: Losses – Constant & Variable losses – calculation of efficiency – condition for maximum efficiency
Methods of Testing – direct, indirect and regenerative testing – brake test – Swinburne’s test – Hopkinson’s test – Field’s test – Retardation test – separation of stray losses in a d.c. motor test.
Reference
1. Performance and Design of D.C Machines – by Clayton & Hancock, BPB Publishers
2. Electrical Machines -S.K. Battacharya,
3. Electric Machines by I.J. Nagrath & D.P. Kothari, Tata Mc Graw – Hill Publishers, 3rd edition, 2004.
4. Electromechanics – I (D.C. Machines) S. Kamakshaiah Hi-Tech Publishers.
Text books
1. Electric Machinary – A. E. Fritzgerald, C. Kingsley and S. Umans, Mc Graw-Hill Companies, 5th editon
2. Electrical Machines – P.S. Bimbra., Khanna Publishers
Follow us on FB – Smartzworld
How useful was this post?
Click on a star to rate it!
Average rating 4.7 / 5. Vote count: 31
Ac Machines By M G Say Nothing
No votes so far! Be the first to rate this post.