A 4-pole, 400V, 10kW slip ring 3-phase induction motor has motor resistance of 0.16ohm/phase and its standstill reactance is 0.27 ohm/phase. The voltage across the slip rings at standstill is 141V per phase. The motor develops a torque of 62.4Nm at a slip of s A) 0.035 and the rotor current 31.1A. Find the magnitude and phase of emf to be injected to the rotor circuit so that the motor runs at s. B) 0.02 and develops the same torque

Question

A 4-pole, 400V, 10kW slip ring 3-phase induction motor has motor resistance of 0.16ohm/phase and its standstill reactance is 0.27 ohm/phase. The voltage across the slip rings at standstill is 141V per phase. The motor develops a torque of 62.4Nm at a slip of s

A) 0.035 and the rotor current 31.1A. Find the magnitude and phase of emf to be injected to the rotor circuit so that the motor runs at s.

B) 0.02 and develops the same torque

Expert Answer

Want to see the step-by-step answer?

Check out a sample Q&A here.

Want to see this answer and more?

Experts are waiting 24/7 to provide step-by-step solutions in as fast as 30 minutes!*

*Response times may vary by subject and question complexity. Median response time is 34 minutes for paid subscribers and may be longer for promotional offers.
Tagged in
Engineering
Electrical Engineering

Electrical Machines

Related Electrical Engineering Q&A

Find answers to questions asked by students like you.

Q: derive the following in terms of R, L, and C:a. Transfer function H(jω) = Ṽout/Ṽin.b. Damping rati...

A: Take the Laplace transform of the circuit and indicate the node voltages.

Q: Help with setting up and finding answer.

A: To determine the current in 8 ohm in resistor in the below circuit by using superposition theorem.

Q: Forthe circut shown Find the XC at the resonance )Z7 al the resonace A The value ofLC at resonace 20...

A: Write the expression for the total impedance of the circuit.

Q: Answer as soon as possible!!!!

A: Hello. Since your question has multiple sub-parts, we will solve the first three sub-parts for you. ...

Q: Control system stable or not

A: Part (A):- The characteristic equation of the system is, Now, apply the Routh-Hurwitz criterion on ...

Q: For the circuit in figure 4, switch S1 is closed at t=0 and held closed for 10 years. Node 1 S1 R1 R...

A: When a circuit is closed for a sufficiently long interval of time, then the inductor becomes short c...

Q: Proof

A: Redrawing the given circuit and connect the both input terminals to the common mode signal as shown ...

Q: A proportional controller: allows the final control element to take intermediate positions between o...

A: The following are the functions of the proportional controller. The proportional controller elimina...

Q: A three-phase 630 kV, 50 Hz, 400 km completely transposed long transmission line, has the following ...

A: Given values are =

Q: Help with solving.

A: Click to see the answer

Q: Select the following correct answers about Multiplexing.a) Cable companies use Frequency Division Mu...

A: In communication, multiplexing is the process in which more than one signals coming from subscribers...

Q: Suppose a dipole antenna is taken and the radiation resistance of the dipole antenna is 452 ohm. Wha...

A: The value of the radiation resistance (Rr) of a dipole antenna can be obtained using the following r...

Q: Use truth table to prove statement ?⨁?=?∙??+ ?̅∙?

A: The given gate is an XOR  gate, we will first draw the truth table for the left-hand side of the giv...

Q: Question One) Let i,(t) = 10u(-t) – 20u(t) (A) in the circuit shown. Find i(t) for all time. 20 Ω "'...

A: We are authorized to answer one question at a time since you have not mentioned which question you a...

Q: Create a bode plot for each circuit below. Then calculate the resonance frequency and total impedanc...

A: It is not mentioned about the output and input for the bode plot. Let the voltage across the resisto...

Q: Please solve the number supplias d and e and f and g

A: Hello. Since your question has multiple sub-parts, we will solve first three sub-parts for you. If y...

Q: 1. For each of the driven RLC circuits specified below, do the following: i. Determine resonance pro...

A: Part (a) For the series RLC circuit, the given values are,

Q: t=0 Rs1 Rs2 LE R Vsi R2 Vs2 Figure P5.61 2 In the circuit shown in Figure P5.61 Vsi = 12 V Rsi = 50 ...

A: As it is known that the capacitor behaves as an open circuit and the inductor behaves as the short c...

Q: The input output relation for a discrete time system is expressed y(n)=x(-n). Determine whether the...

A: For a causal system, the output at any instant depends on the present and past inputs but not on fut...

Q: Q:For an emergency situation, an engineer needs to make an RC highpass filter. He or she has one 10-...

A: Write the values of available sets of circuit elements.

Q: For the following circuit in figure 3, the switch is closed at t=0 R1 L1 1mH V1 E10 V Figure 3 a. Wh...

A: Hello. Since your question has multiple sub-parts, we will solve the first three sub-parts for you. ...

Q: Determine the volume change when 1 kg of saturated water is completely vaporized at a pressure of a...

A: We can easily calculate the volume change of the saturated water when it is fully vaporized at the g...

Q: please help

A: We’ll answer the first question since the exact one wasn’t specified. Please submit a new question s...

Q: A balanced wye-delta system is shown in below figure. Line impedance, %3D %3D per phase Load impedan...

A: Given circuit is = Given values are =

Q: R1 R2 Figure P4.47 8 Determine the equivalent impedance in the circuit shown in Figure P4.47: v,(t) ...

A: Write the expression of input voltage and find the value of angular frequency.

Q: e) Express the given periodic signal x (t) as a compact Fourier Series and sketch its amplitude and ...

A: The given periodic signal is to be represented in a compact Fourier form. The signal is shown below:...

Q: For the following state table, draw the sequential circuit. Show all the equations related to the ci...

A: Let us assume, we have two D flip-flops, with input D0 and D1. Construct the state diagram table for...

Q: Solve

A: Hello. Since your question has multiple sub-parts, we will solve the first three sub-parts for you. ...

Q: 3 Find v(t) if V (s s2+4s+4

A: Click to see the answer

Q: Please include details

A: The frequency of the clock oscillator is: The time period of the clock pulse is:

Q: What is a line refernce number in electrical prints

A: For developing the circuit diagram, it needs to be identified as the unique components. The designat...

Q: Solve this question using the explanation

A: a) It is a bit difficult to produce a triangular wave directly from the sinusoidal wave as the circu...

Q: A silicon wafer is doped n=1.0*10^16cm^-3 with Boron .Find answers for temperature T=0K and T=300K r...

A: The boron concentration in Si wafer is: (1). At temperature T = 0 K, the Si wafer acts as an insula...

Q: Forthe circut shown Find the XC at the resonance )Z7 al the resonace A The value ofLC at resonace 20...

A: The given RLC circuit is shown below: (a)The value of the capacitive reactance can be easily calcul...

Q: B Determine the voltage across the inductor just before and just after the switch is changed in Figu...

A: The voltage across the inductor just before the switch changed from the given position, Inductor act...

Q: Answer 1st part.

A: Case 1: Consider the diodes D1, D2 and D3 are in ON-state. Since all the diodes are ideal, there is ...

Q: Find the current i in the circuit of Figure P8.6. 12 V

A: Assume the op-amp is ideal. Let VA be a node voltage of non-inverting terminal and VB be an invertin...

Q: Find the value of the unknown current ixfrom the given circuit.

A: According to Kirchhoff's current law, the total current entering node A will be equal to the total c...

Q: Determine the a-parameters (A11, A12, A21, A22) of the two-port network below.

A: It is supposed to be ABCD-parameter instead of a-parameter. The expression for the ABCD-parameter is...

Q: Simplify the following expressions using Boolean Algebra:Z = (C + D)’ + A’ C D’ + A B’ C’ + A’ B ‘C ...

A: The given Boolean expression is: The expression is simplified as follows:

Q: Dual- voltage rated pump motors are rated!?

A: There are so many AC motor pump is rated for dual Voltage. It means that the motor can able to run e...

Q: What may be on a coolant reservoir to indicate the coolant plasma ?

A: Sufficient amount of coolant should be present in the coolant reservoir in order to perform all the ...

Q: Please use these two equations to solve the above: L=2w/I^2 (inductance per unit lengt) W=1/2(integr...

A: The figure for the required cylinder is shown below: The current density for the different surfaces...

Q: Resolve

A: Given circuit is = Given values are =

Q: For a particular mp , the manufuctur specifics that the width of a certain control signal determined...

A: a). The value of clock frequency is: The value of the clock period is:

Q: Use theorems to simplify y= ĀD + ABD and x = (M + N) (M’ + P) (N’ + P’)

A: Click to see the answer

Q: The de current source Is 10 µA of Fig. 1 is connected from G to node B. The Si transistor has neglig...

A: It is known that the quiescent current is exactly half of the saturation value in active mode. It be...

Q: 1.Evaluate the Fourier transform

A: Let the function is defined by a variable x. Here the given signal is periodic with a period 2π, whi...

Q: Solve only part c

A: As in question asked only for 3rd part so, first draw the per phase circuit, here, assume load imped...

Q: If a microwave beam is having a power density of 100 W/m2 then find the magnitudes of peak electric ...

A: The peak electric field E can be computed fro the power density P using the following formula: