amount of power that the motor produces.
Q: 4. A 300 MVA, 20 kV three-phase generator has a sub transient reactance of 20%. The generator…
A:
Q: 1- Power taken by the prime mover of an alternator in case of no-load goes to a. Produce power in…
A:
Q: Q4: Cylidrical conductor of radius 2 cm currying a uniform current of 170 Amp. What is a magnitude…
A: Magnetic field due to cylindrical conductor a) Magnetic field inside the cylindrical…
Q: 196063 Qul Find IR through resiston" R=2K ohm- using Norton's Theroem 2-2K IR 5.61 R 8m A www + =16+
A:
Q: Q1: In the figure shown find the current in each resistor. 15 V 252 m 10 V T 452 ли W 652 8Ω
A: In this question, We need to determine the current in the each resistance? We know current I= V/R…
Q: Given the circuit diagram: Derive the state equation Map for the outputs Derive…
A: Given the circuit, as shown below: We need to: Derive the state equation Map for the outputs…
Q: Q5: Design a Clapp oscillator, the three capacitors are C₁=C₂=C3=1000 pF, while the frequency is to…
A: We need to find out the range of inductor for given frequency
Q: Just list, without detailed description. Give at least 5 examples of energy storage systems.
A:
Q: three phase motor is connected to a balanced three-phase supply. Meters placed in the circuit…
A: For delta connected load, Phase voltage = line voltage Line current = 1.732 × phase current
Q: A single-stage impulse generator has a 0.01µF capacitor. The wave front and wave tail resistances…
A:
Q: Q5- A)- Select the correct answer for the alternatives given 1- Wave windings are used in d.c…
A: As per guidelines given to us we can only provide the solution of first three subpart in multi part…
Q: 1311 Forthe capacitor a. Determine the capacitance b. Determine the electric field between the…
A: Brief description: For the above given question we need to calculate the value of capacitance of the…
Q: What is transformer?
A: A transformer is a piece of static electrical equipment that carries AC electrical power from one…
Q: . A maintained push button will A. hold its position after it is pressed and released. B. open after…
A:
Q: Q4-The armature winding of 4-pole, 250V d.c. shunt motor is lap connected. There are 120 solts, each…
A: In case of DC Shunt Motor, Flux considered as constant Torque is directly proportional to product of…
Q: What the need of testing insulators in the laboratory? Why insulators most likely to fail at lower…
A: Insulators are the substances that don't conduct electricity at all.
Q: if A = 8a₂ + 16ay + 13a, and B=5a, + 3ay +9a,. then | A x B|=|
A:
Q: Q4: At an operating frequency of 300 MHz, a lossless 50-W air- spaced transmission line 2.5 m in…
A:
Q: 10. Determine vo and i in the circuit shown. 4Ω 216 12 V 6Ω 41 (+1)
A: Given circuit:
Q: Transform the vector 10a, to spherical coordinates at the point P(x = −3, y = 2, z = 4).
A:
Q: Question 1 For the following read-write memory types, which one is faster? Your answer: OSRAM O DRAM
A:
Q: B)- Draw a neat diagram to show the armature diverter method for speed control DC series motors
A:
Q: D13.4. A microstrip line is fabricated on a lithium niobate substrate (e, = 4.8) of 1 mm thickness.…
A: Given Few parameters of a microstrip line.we need to determine the output impedance ,phase velocity…
Q: Find the value of i1, i2 and i3. 6Ω 4Ω Μ 20 V (+ 13 2 Ω 8 Ω www 12 +1 10i,
A:
Q: Fourier Series Find A0, An and Bn 1. Sawtooth wave x(t)=t,
A:
Q: A large motor has an armature whose inductance us 0. 12 H. The motor has no capacitance. The series…
A: Here we discuss the concepts related to the single phase AC circuits.
Q: Q5) A signal m(t) = 5 cos(2000nt) cos(8000лt) Calculate the sampling frequency using baseband…
A: Here the concept related to the Nyquist rate & sampling theorem is discussed.
Q: Design an air-filled circular waveguide such that only the dominant mode will propagate over a…
A: Waveguides:- It is a linear structure that transmits electromagnetic waves. Losses occurs at…
Q: Find the Inverse Laplace Transform of the following functions S³+35²-s-3 1. F(s) = = (s²+25+5)²
A:
Q: Expand the following function into Fourier's series upto 10 terms f(x) = 1 + x² - 1<x< 1.
A: Given function is fx=1+x2 ; -π<x<π given function is even function since fx=f-x. Therefore,…
Q: Q1: Design a second order low pass filter at a cutoff frequency of 2kHz with a pass band gain of 20.…
A:
Q: Q5: Design a Clapp oscillator, the three capacitors are C₁=C₂-C₁-1000 pF, while the frequency is to…
A: We need to find out range of inductor for given frequency of oscillation
Q: "Find out the negative sequence components of the following set of three unbalanced voltage vectors:…
A: given power system questions
Q: Design a Clapp oscillator, the three capacitors are C₁ = C2 = C3=1000 pF, while the frequency is to…
A:
Q: 7/ If the change of output voltage with increasing the frequency for an active filter was as shown…
A: Given A table of output voltage vs frequency.we need to plot the frequency response and we need to…
Q: B. Find the Fourier series of the periodic function f(x) = sin(x) 0<x<T
A: Brief description: For the above given question we need to calculate fourier series coefficients of…
Q: Q2- A 400 KVA single phase transformer has the iron loss is 1.2 Kw and the efficiency at full load,…
A: In this question we need to find efficiency at half load , maximum efficiency at 0.8 pf lagging and…
Q: 1. If any of any has gain m SKJUL IKM 5v-M Vo =? 12kar Ik st 2kJ2 2. IV 2V 3V 3. to m R₁ 3кл R₂ M SV…
A: We need to find out the output voltage for given circuit
Q: 5. A power plant customer draws power at 220V from transformers on a pole. Current transformers…
A: Transformer is a static device. It works on the principle of faraday low of electromagnetic…
Q: 2 23) Find complex Fourier series coefficients of x (t) = = - (cos (Ft) + sin (2 t)) ²
A:
Q: (c) Explain with the terms with diagram of wind energy extraction- i) wake. ii) Cut-in-Speed,…
A: Solution of question (c): It is asked to explain the terms wake, cut-in and cut-out speed,…
Q: For an N channel E - MOSFET, what is the direction of electron flow? (A) The electron flow is from…
A: As per guidelines given to us we can only provide the solution of first question in multiple type of…
Q: 1) Describe how to make n- and p-type semiconductors for silicon.
A:
Q: Given: A(3,2,1) and B(-1.-3.2). Determine 12r4-3rBl. Note: I means a position vector. O a. 16.31 b.…
A:
Q: Find the transfer function for the following system (input: x, output: y) y"+3y'=x'-x a)…
A: Given data, The system is y"+3y'=x'-x
Q: Example A NTC thermistor has a resistance of 30 KN at 0°C and material temperature constant 3575 K.…
A: given thermistor
Q: Q1) for the following signal, replote the signal with the following conditions (a X(t)=( 51-3 121 2…
A:
Q: The torque curve presented here is most representative of: Engine Power and Torque Curves 280 Power…
A: The Electric motors are categorized into two types on the basis of their supply potential : DC…
Q: A non-conducting spherical shell of inner and outer radii 3.18 meters and 9.27 meters, respectively,…
A:
Q: (B)-The winding sequence diagram show below for 4 pole d.c generator, 2-layer simplex progressive…
A: A winding is one or more turns of wire that form a continuous coil via which electric power can…
40 kW is the amount of power that is fed into a 500-volt, 50-hertz, three-phase, six-pole, squirrel-cage induction motor that rotates at 975 revolutions per minute. The friction and windage losses add up to 2kW, which brings the total stator losses to 1kW.
Determine the amount of power that the motor produces.
Step by step
Solved in 2 steps
- Would a positive-rotating harmonic or a negative-rotating harmonic be more harmful to an induction motor? Explain your answer.A three –phase, 440V, 50 Hz, 6 – pole induction motor running at 950 rpm takes 50 kW at certain load. The friction and windage loss is 1.5 kW and the stator losses = 1.2 kW. Determine the output from the rotor. (a). 42.68 kW (b). 46.48 kW (c). 48.80 kW (d). 44. 86 kW7- A 6-pole, 50-Hz, 3-0 induction motor is running at 950 rpm and has rotor Cu loss of 6 kW. Its rotor input is......kW (a) 120 (b) 60 (c) 6.3 (d) 66 8- The number of slip rings on a squirrel cage induction motor is usually (a)Two (b) Three (c) Four (d) None
- A four-pole induction motor drives a load at 2478 rpm. This is to be accomplished by using an electronic converter to convert a 400-V dc source into a set of three-phase ac voltages. Part A Find the frequency required for the ac voltages assuming that the slip is 4 percent. The load requires 2 hp. Express your answer to three significant figures and include the appropriate units. f= Submit Part B Value I = HA Request Answer Submit If the dc-to-ac converter has a power efficiency of 90 percent and the motor has a power efficiency of 80 percent, estimate the current taken from the dc source. Express your answer to three significant figures and include the appropriate units. HÅ Value Units Request Answer ? Units ?(Qld) A three-phase 20-pole induction motor is rated at 800 V, 50 Hz. What is the synchronous speed of this machine if the voltage at its terminals is reduced to 400 V (a) 150 rpm, (b) 300 rpm, (c) 600 rpm, (d) 3000 rpmA 60-Hz induction motor runs at 860 r/min at full load. Determine a. the synchronous speed, b. the frequency of the rotor currents Note: Number of poles are 8.
- A three-phase induction motor used for a commercial application in Oman runs at 580 rpm at no load and at 552 rpm at full load. a) How many poles do this motor have? b) What is the percentage slip at full load? c) The frequency of the rotor currents when slip is 5 % d) The frequency of the rotor currents at standstill. a) b) c) d)3.An induction motor has a rotor resistance and reactance at standstill of 0.1 ohm and 3.5 ohm respectively. At standstill the voltage induced to the rotor is 60volts per phase. If the slip is 5%, determine the rotor currentWhy do we need to have brushes in a squirrel-cage rotor type induction motor? (short answer)
- 5. A six-pole induction motor operating in the United States has a rated slip of 3%. What is its rated rate of rotation?If a 4-pole induction motor has a synchro- nous speed of 1500 r.p.m., then, supply fre- quency is (1) 50 Hz 60 Hz (iii) (ii) 25 Hz (iv) none of the abovea) The figure below shows the per-phase equivalent circuit of a two- pole three-phase induction motor operating at 50 Hz. The voltage (E1) across the magnetizing inductance is 210 V, and the slip (s) is 0.05. What is the developed torque produced by the motor ? 0.04 0 j0.22 0 j0.22 0 0.05 V j6.28 NE E1