Find what is the rated input power of the motor

Assignment Help Electrical Engineering
Reference no: EM13254910

The Y-Connected synchronous motor whos nameplate is shown in Figure 1 has a per-unit synchronous reactance of 0.9 and a per-unit resistance of 0.02.

a.) What is the rated input power of this motor?

b.) What is Ea at the rated conditions?

c.) What is the efficieny of this motor at full load?

d.) What is the output torque of the motor at the rated conditions?

Reference no: EM13254910

Questions Cloud

What average voltage is induced in the coil : A square coil, enclosing an area with sides 3.4 cm long, is wrapped with 2,224 turns of wire. What average voltage is induced in the coil
Explain four of the various ways groups can make decisions : Explain four of the various ways groups can make decisions. For each of your chosen methods, explain its advantages and disadvantages.
What is minimum width of address bus needed to access cache : A processor has a 32 MB cache and a 64 bit data bus. What is the minimum width of the address bus needed to access the entire cache
Describe the decision-making process a leader should go : Describe the decision-making process a leader should go through in deciding whether to call a meeting. Identify at least four reasons to hold a meeting and four reasons not to hold a meeting. Explain each briefly.
Find what is the rated input power of the motor : The Y-Connected synchronous motor whos nameplate is shown in Figure 1 has a per-unit synchronous reactance of 0.9 and a per-unit resistance of 0.02. a.) What is the rated input power of this motor
What is nominal group technique : What is nominal group technique? When should it be used? Describe what occurs in each of its five phases. What is the purpose for each step?
Determine the radiation intensity : The output from a one curie Co60 source is 1.25 R/hr at one meter. What is the radiation intensity at three meters from a 4 Curie source
Explain relationship between a purpose and thesis statement : Explain the relationship between a specific purpose and a thesis statement. Can they be the same? Why or why not? Write an example of a specific purpose statement. Now, write a corresponding thesis statement (use different wording for the two).
Determine the magnitude of the armature current : A 440-V three-hase Y-connected synchronous motor has a synchronous reactance of 1.5 ohms per phase. The field current has been adjusted so that the torque angle is 28 degrees when the supplied power to the motor is 90kW.

Reviews

Write a Review

Electrical Engineering Questions & Answers

  Design a parallel resonance circuit with resonance frequency

Design a parallel resonance circuit with resonance frequency of 30kHz and bandwidth of 20kHz and plot its frequency response.

  Identify which resistance in parallel in series-parallel ckt

Discuss how can identify which resistances are in series and which ones are in parallel in a series-parallel circuit. How might this affect how you measure current and voltages in the circuit with a digital multimeter

  How much coal did we burn

The residential sector of PA consumed about 150.6x1012 Btu of electricity (www.eia.doe.gov). Assuming all of this energy comes from bituminous coal with a heating value of 14,000 Btu/lb. How MUCH coal did we burn?

  Describe why the intrinsic carrier concentration changes

Describe why the intrinsic carrier concentration changes with temperature. This would include from very cold temperatures to 600K+ temperatures. Why does an extrinsic semiconductor become intrinsic above ~ 500K

  What is the optimal decision rule at the reciever

Assume that h is a random variable with PDF. Pn(h)=0.1*d(h-1)+0.9d(h-3). n is a zero mean white gaussian noise with variance 0.5. Assume that the channel state info is available at the reciever for each of the three branches.

  Compare computed mean and variance to the theoretical values

Write a program that uses the rand_float functions developed to generating sequences of random floating-point values between 4 and 10. Then compare the computed mean and variance to the theoretical values computed.

  Display a flashing light to alert the operator

If a third attempt is made within 20 seconds, a waiting period of 20 seconds is required before additional attempts can be made to start the motor. While waiitng to make additional attempts to start the motor.

  Find how high does the ball rise in units of meters

As the ball rises, it gradually loses kinetic energy as its potential energy increases. At the top of its flight, when its vertical speed goes to zero, all of the kinetic energy has been converted into potential energy.

  Calculate the response of each of the receiver arms to qpsk

First draw the transmit con-stellation and the receive constellation with ideal phase tracking and sampling. Note:they are obviously the same constellations. Now, assume that receiver synchronization is off by a phase angle.

  Calculate the per unit resistance of this transformer

Efficiency in a power transformer is 98.6% when loaded such that its core losses equal the copper losses. Calculate the per unit resistance of this transformer.

  Find the rms output noise levels

Assume that a receiver has a first amplifier stage with a 5KW input resistance, a gain of 300, an input audio signal of 20 mV, and an operating temperature of 27oC. When the amplifier is operating with a bandwidth first of 10 MHz,

  Determine what is the power level nano watts

Consider a product data sheet for a photo-detector that states an optical power level of -32dbm is need at the photo-detector to specify performance requirement. What is the power level nW (nano Watts)

Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd