This research aims at making a thorough analysis on the computer aided design CAD employed in landscape design in an attempt to make computer play a better role in landscaped design and improve the quality of the design. This essay firstly gives a pi
Design and testing of electrical machinesDescripción completa
Descripción: design
Education of design and testing of electrical machines
Design and testing of electrical machinesFull description
Design and testing of electrical machinesFull description
CAD/CAM computer aided design and manufacturing by mikell p. GrooverFull description
A brief guide to computer aided analysis for civil/structural engineers. Discusses basic concepts, modelling, finite element analysis, shell structures, arches, pre-stressed concrete, 2D/3D …Full description
For CSE 4071
Text book on Electrical machinesDescripción completa
Text book on Electrical machines
Electrical Machines
Text book on Electrical machinesFull description
CAD/CAM computer aided design and manufacturing by mikell p. Groover
QWKDNNFJFJ
Descripción: Theory of multibody mechanics
Electrical Engineering
machineFull description
EE6504 Electrical Machines-II
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Set No. 1
Code No: RR4102 RR410208 08
IV B.Tec B.Tech h I Semest Semester er Regula Regularr Examin Examinati ations ons,, Nov Novem ember ber 2007 2007 COMPUTER AIDED DESIGN OF ELECTRICAL MACHINES (Electrical & Electronic Engineering) Time: 3 hours Max Marks: 80 Answer any FIVE Questions All Questions carry equal marks ⋆ ⋆ ⋆ ⋆ ⋆
1. (a) Explai Explain n what is compute computer-a r-aided ided desig design? n? Explai Explain n by a flow chart chart?? (b) Explain Exterior p enalty function metho d?
[8+8]
2. Write computer algorithm algorithm for determining determining of “D” & “L” of armature of DC machine using output equation. [16] 3. What are the constraint functions in optimal design of a Core Type Power transformer, Explain them clearly through an example. [16] 4. (a) Compare design design aspects for for Shell type type Power Power & Distributi Distribution on Transform Transformers. ers. (b) What is meant meant by Stepped core in a transfo transformer rmer?? Describe Describe avail available able choices choices with help of sketches. [8+8] 5. (a) Write rite computer computer algorit algorithm hm for determi determinin ningg of “D” & “L” of armature armature of 3-Ph 3-Ph Alternator using output equation (b) Define Short circuit circuit Ratio(SCR) Ratio(SCR) for a 3-Ph Salient-pole Salient-pole Alternator. Alternator. What are the advantages & disadvantages if higher or lower values of SCR are used? [8+8] 6. Draw the developed diagram of the stator winding of a 3-ph 4 pole, Alternator The winding is of Lap type, with double layer,with a phase spread of 600. The winding is short pitched by one slot. Assume Slots/po polle/phase=3. [16] 7. (a) How How do you calcula calculate te iron losses losses in a 3-Ph Inducti Inductionon-Moto Motorr from design design (b) Explain Explain the terms Full Full load Slip & Starting Torque Torque in a 3-Ph Induction-Motor Induction-Motor Write rite a comp comput uter er prog progra ram m in “C “C”” for for Ca Calc lcul ulat atio ion n of the the same same.. [8+8 [8+8]] 8. (a) Explain Explain Heating Heating & Cooling curves curves under differen differentt operating conditions conditions of 3-ph Induction Induction motor. (b) Explai Explain n what are the modes of heat dissipatio dissipation n in electric electrical al machine machines. s. [8+8] [8+8] ⋆ ⋆ ⋆ ⋆ ⋆
Engineering-MBA-MCA-Medical-Pharmacy-B.Ed-Law Colleges Information
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The Complete Information About Colleges in Andhra Pradesh
Set No. 2
Code No: RR4102 RR410208 08
IV B.Tec B.Tech h I Semest Semester er Regula Regularr Examin Examinati ations ons,, Nov Novem ember ber 2007 2007 COMPUTER AIDED DESIGN OF ELECTRICAL MACHINES (Electrical & Electronic Engineering) Time: 3 hours Max Marks: 80 Answer any FIVE Questions All Questions carry equal marks ⋆ ⋆ ⋆ ⋆ ⋆
1. Explain Hook ooke & Jeeves method with the help of flow chart.
[16]
2. Desc escribe ribe how how shun shuntt field field wind windin ingg for for a DC Machine hine is desi desiggned. ned.
[16] 16]
3. How How do you design design magnetic magnetic circuit circuit of a Core Type Po Power wer Transf Transforme ormer. r. Explain Explain it clearly. [16] 4. How How do you design magnetic magnetic circuit of a Shell type Po Power wer Transf Transformer ormer.. Explain Explain it clearly. [16] 5. Compare Compare the design features features of both b oth non-salien non-salientt pole p ole & salient salient pole types in a 3-Ph Alternator. [16] 6. How How do you determine determine the Open circuit circuit character characteristic istic of a 3-Ph a non-Salient non-Salient pole Alternator? [16] 7. Describe clearly selection of variables for optimal design of 3-Ph Squirrel Cage Induction- Motor. [16] 8. Explain the important variables involved in design of a 3-Ph Slip?ring InductionMotor Motor & indicate indicate their their permissible permissible values values.. How How they affect affect optimal optimal design? design? [16] ⋆ ⋆ ⋆ ⋆ ⋆
Engineering-MBA-MCA-Medical-Pharmacy-B.Ed-Law Colleges Information
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The Complete Information About Colleges in Andhra Pradesh
Set No. 3
Code No: RR4102 RR410208 08
IV B.Tec B.Tech h I Semest Semester er Regula Regularr Examin Examinati ations ons,, Nov Novem ember ber 2007 2007 COMPUTER AIDED DESIGN OF ELECTRICAL MACHINES (Electrical & Electronic Engineering) Time: 3 hours Max Marks: 80 Answer any FIVE Questions All Questions carry equal marks ⋆ ⋆ ⋆ ⋆ ⋆
1. Explain Simplex metho d with the help of flow chart.
[16]
2. (a) What is meant meant by Specific Magneti Magneticc & Electri Electrical cal loading loadingss applicabl applicablee to DC Machine? What are the advantages & disadvantages if higher or lower values are used? (b) What are the advan advantage tagess & disadv disadvan antage tagess if higher or lowe lowerr no of poles in a DC machine are selected? [8+8] 3. How How do you you design design magneti magneticc circui circuitt of a Core Type Power Power Transform ransformer. er. Explain Explain it clearly. [16] 4. How do you optimize losses in a Shell type Power Transformer? Write a computer progra program m in “C” for Ca Calc lcul ulati ation on of effici efficienc ency y at half half Full ull load load & 0.8P 0.8PF. F. [16] [16] 5. Descri Describe be how how field field windin windingg for for a Salien Salientt pole pole 3-Ph 3-Ph Alter Alternato natorr is is desig designed ned..
[16] [16]
6. Explain by means of a flow chart the method to arrive at an optimal design of 3-Ph non- salient pole Alternator. [16] 7. Write the equations for end ring current in a Squirrel Cage rotor of a 3-Ph InductionMotor Motor.. Wri Write te a compu computer ter progra program m in “C “C”” for for Ca Calc lcul ulati ation on of the the same. same. [16] [16] 8. Explain Explain various Leakage Leakage reactances in a 3-Ph Slip-ring Slip-ring Induction-Motor Induction-Motor & thereby thereby calculation of Short circuit current & PF. [16] ⋆ ⋆ ⋆ ⋆ ⋆
Engineering-MBA-MCA-Medical-Pharmacy-B.Ed-Law Colleges Information
www.andhracolleges.com www.andhracolleges.c om
The Complete Information About Colleges in Andhra Pradesh
Set No. 4
Code No: RR4102 RR410208 08
IV B.Tec B.Tech h I Semest Semester er Regula Regularr Examin Examinati ations ons,, Nov Novem ember ber 2007 2007 COMPUTER AIDED DESIGN OF ELECTRICAL MACHINES (Electrical & Electronic Engineering) Time: 3 hours Max Marks: 80 Answer any FIVE Questions All Questions carry equal marks ⋆ ⋆ ⋆ ⋆ ⋆
1. Explain Powell metho d with the help of flow chart.
[16]
2. Descri Describe be clear clearly ly selecti selection on of variabl ariables es for optimal optimal design design of DC machin machine. e.
[16] [16]
3. Explain in detail ab out Tap changing in a Transformer.
[16]
4. Describe formulation of Design equation of a Shell type Power Transformer with the help of a suitable example. [16] 5. (a) Write rite the equati equation on for Eddy curren currentt Loss Losses es in a 3-Ph 3-Ph Altern Alternato ator. r. Write rite a computer program in “C” for Calculation of the same. (b) Explain Explain about Damper Damper windin windings gs in a 3-Ph 3-Ph Salien Salient-pol t-polee Alterna Alternator. tor.
[8+8] [8+8]
6. Explain by means of a flow chart the method to arrive at an optimal design of 3-Ph non- salient pole Alternator. [16] 7. Expl Explai ain n how how Stat Stator or wind windin ingg of a 3-Ph 3-Ph Indu Induct ctio ionn-Mo Moto torr is desi design gned ed..
[16] [16]
8. Draw the developed developed diagram for the stator winding of a 3-ph,4 pole,36 slots,Induction motor, using single layer lap winding with full pitch coil. [8+8] ⋆ ⋆ ⋆ ⋆ ⋆
