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What is the maximum speed of satellite?
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A 3 φ I.M. has synchronous speed of 250rpm and 4% slip at full load. The rotor has a resistance of 0.02Ω/ph and stand still reactance of 0.15Ω/ph. Calculate i) The speed at which max torque is developed. ii) The ratio of maximum to F. L. torque. iii) The ratio of maximum to starting torque.

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Calculate speed of motor when delivery maximum voltage. Also calculate the resistance to be added to achieve 3/4th of maximum torque at time of starting.

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What is modulator and demodulator in satellite communication?

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What is the voltage of the Hall effect speed sensor?

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What is the significance of torque-speed characteristics?

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What is the purpose of a T-coil in high-speed circuits?

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What is the purpose of via stitching in high-speed PCB design?

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Explain the concept of crosstalk in high-speed PCB design.

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Explain the concept of channel bonding in high-speed interfaces.

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What is the purpose of a phase interpolator in high-speed serial links?

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What is the speed variation of the induction motor from no load to full load?

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What are the advantages of speed control using thyristor?
Answer : Speed control of motors using thyristors (also known as silicon-controlled rectifiers or SCRs) offers several advantages, particularly in applications like DC motors, induction motors, and synchronous ... high-power or variable-speed applications, where you need smooth control and energy savings....

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Give two basic speed control scheme of DC shunt motor?

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State the range of wind speed considered favorable for wind power generation.

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Explain with the help of a neat diagram the following methods of speed control for a DC series motor: (i) Field diverter method. (ii) Tapped field method.

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Describe with a suitable diagram speed control of a d.c shunt motor by field current control method.

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Draw and explain torque speed characteristics of universal motor and suggest the applications of the same.

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Draw and explain torque speed characteristics of stepper motor.

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Define slip and synchronous speed of 3 phase induction motor.

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List the speed control methods of three phase induction motor and explain any one method.

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How do you control the direction and speed of a stepper motor?

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What is the cycloconverter method of speed control?

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What is the importance of the synchronous speed in the operation of an induction motor?

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How does the frequency of the power supply influence the speed of an induction motor?

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