GTU B.Tech 2020 Winter Question Papers || Gujarat Technological University
Subject Code: 2160911
Subject Name: Computer Aided Analysis and Design for Electrical Engg.
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Time: 02:00 PM TO 04:00 PM
Instructions:
- Attempt any FOUR questions out of EIGHT questions.
- Make suitable assumptions wherever necessary.
- Figures to the right indicate full marks.
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GUJARAT TECHNOLOGICAL UNIVERSITY
BE- SEMESTER-VI (NEW) EXAMINATION - WINTER 2020
- (a) Explain various modes of heat dissipation. [03]
(b) Define specific electrical loadings. State advantages and disadvantages of higher specific electric loadings. [04]
(c) Explain design criteria for selection of specific magnetic loadings for the rotating electrical machine. [07] - (a) State advantages of computer aided design of electrical machines. [03]
(b) State input data to be fed in to the program for rotating electrical machine. [04]
(c) State and explain steps for general design procedure. [07] - (a) What is skin effect in conductors? [03]
(b) Explain standard ratings of electrical machines. [04]--- Content provided by FirstRanker.com ---
(c) Classify different types of materials used for electrical machine. [07] - (a) What are the required properties of good insulating material? [03]
(b) Explain different types of enclosures used for rotating electrical machine. [04]
(c) Explain different types of ventilation scheme used for transformers. [07] - (a) State advantages of FEM. [03]
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(b) Explain different applications of FEM in electrical machine design? [04]
(c) Explain global coefficient matrix and elemental coefficient matrix. [07] - (a) Draw a flowchart for the design of choke coil. [03]
(b) Draw a flowchart for the design of DC shunt motor starter. [04]
(c) Write a computer program for the computer aided design of field regulator. [07] - (a) Draw a flowchart for the design of compensating winding of DC machine. [03]
(b) Draw a flowchart for the design of armature winding of DC generator. [04]
(c) Write a computer program for the calculation of main dimensions of DC motor. [07] - (a) Write a computer program for the calculation of window dimensions of 3-phase transformer. [03]
(b) Draw a flowchart for the design windings of transformer. [04]--- Content provided by FirstRanker.com ---
(c) Write a computer program for the calculation of no load current of 3-phase transformer [07]
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Date: 01/02/2021
Total Marks: 56
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