series motor is

Q: 'hy does a slip occur in the three-phase induction motor? Expla

A: In a three phase induction motor, a three phase supply with a phase difference 120…

Q: A 230V shunt generator has a field resistance is 23 ohms and an Armature resistance is 1 ohm. It…

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Q: What are the types of dc motor i need in 1 hr 200 words

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Q: 1. A 230 V shunt motor takes a total current of 25 A. If the field winding resistance is 100Ω and…

A: Armature current=Total current-shunt field current. shunt field current=Voltage across…

Q: A 440 V d.c. Armature resistance of shunt motor is 0.25 Ω and field winding resistance is 220 Ω. A…

A: Solution: Given data; V =440 v, Armature resistance Ra=0.25 Ω, shunt resistance Rsh=220 Ω, Load…

Q: Find the starting current (in Ampere) of 146 V DC series motor if the armature resistance = 0.6 ohm…

A: armature current of DC series motor=(terminal voltage -back emf)armature resistance+ series field…

Q: A series motor runs at 700 rev/min when the voltage is 300 V and the current is 20 A. The armature…

A: Initial speed of motor N1=700 rpm. Initial terminal voltage V1=300 V. Armature current Ia=20 A.…

Q: EA5 kW, 200 V dc shunt motor has armature resistance of 1 ohm and shunt field resistance of 100 ohm.…

A: According to the question we have to find the value of the total copper loss.

Q: A series DC generator has an output voltage of 200 volts, an armature resistance of 0.070 and an…

A: Consider the formula for the EMF is. E=V+IR Here, R is the combined resistance of field winding and…

Q: A permanent split single phase induction motor dose not have a squirrel cage rotor

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Q: What is the copper loss in the rotor circuit in kW? An induction motor is running at 40% of the…

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Q: Calculate the losses in the machine and its efficiency if the power input is 18,000 watts, under…

A: To find the losses in the machine and it's efficiency Given : power input = 18000 watts  And output…

Q: In lap winding, the number of brushes is always half the number of poles two double the number of…

A: There are two types of windings,  Lap winding Wave winding

Q: The rotor of an induction motor has a moment of inertia of 5kgm2. What is the torque required to…

A: Given data,  Inertia is given as, I=5 kgm2 Final speed Nf=1800 rpm Initial speed Ni=1600 rpm Time t…

Q: The resistance of each of the two coil of a series motor is 0.04 ohm, armature resistance 0.04 ohm.…

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Q: How can i Estimate the maximum torque of the motor three phase

A: We can estimate the maximum torque by the solving the slip at maximum torque whose approximate value…

Q: Problem 551: The equivalent armature resistance of a series motor is 0.1 ohm. When connected across…

A: Given: The voltage is 110 V The armature current is 20 A The speed is 1000 rpm The increment of the…

Q: A 220 V series motor takes 15 A and

A: DC series motor- A type of dc motor which has armature and field winding connected in series with…

Q: A 240 V series motor takes 40 amperes when giving its rated output at 1500r.p.m. Its resistance is…

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Q: the relation between armature and field currents in a series connected DC motor is O It = If + la O…

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Q: A 250 V series motor has 0.5 ohms armature resistance and 0.5 ohms field resistance. It consumes 10…

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Q: 440 V, 50 Hz, 3-phase, wye-connected Induction Motor with the following particulars, R1= 0.075 ohm,…

A: V =400 V f=50 hz Nr=1560 rpm Vph =4003=231 V Note: number of poles are not given, we assume P= 2…

Q: A 240 V dc series motor takes 40 A when giving its rated output at 1500 rpm. Its resistance is 0.3…

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Q: A 220 V shunt motor takes a total current of 50 A. If the field winding resistance is 80Ω and the…

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Q: The dc motor has maximum current at start because:

A: In DC Motor, rotating armature in the magnetic field develops an EMF which always acts against the…

Q: The factors effecting the speed of dc motor are The flux p and the voltage across the armature The…

A: The factor affecting the speed of the dc motor is as follows; N=V-Ia RaϕN= speed of dc…

Q: In a d.c. series motor, the torque developed is 20 Nm at 10 A. If the load current is doubled, the…

A: Given a dc series motor with, Torque developed, τ1=20 Nm. At the current, I1=10 A. When the current…

Q: Calculate the shaft power of a series motor which has an overall efficiency of 83.5%. The motor is…

A: The data given in the question are: η=0.835, I=65A, N=550rpm, r=0.2Ω, ϕ=25mWb, Z=1200 The value of…

Q: 4-What is the main function of a diverter used in series wound DC motor?

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Q: What is Rth? (A) It is obtained by turning-off all independent sources and obtaining the equivalent…

A: Thevenin's theorem: Any complex circuit can be replaced by a equivalent circuit having a resistance…

Q: he iron and stray power losses

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Q: tor has lap-wound arn rotating at 100 slots 2 turms per col. 100rpm. Flux per pole is 100mWb.…

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Q: A100 Volt dc series motors run at 400 rpm when taking a current of 55 Amp. Armature resistance is…

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Q: Q3: A universal fractional horsepower series motor has a resistance of 30 Q and a total inductance…

A: Electrical machines can be either generator or motors. They can be either Ac machines or DC…

Q: The torque developed by a dc series motor is 32 N-m when drawing 17 A. If the current is doubled,…

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Q: Design a model for series connected D.C. motors using electrical and mechanical equations

A: It is asked to design the model for a series connected DC motor using electrical and mechanical…

Q: A short composite  motor  draw or pulls stream a current of 50 A at a voltage of 220 V it rotates at…

A: A short composite motor is nothing but a short shunt compound motor.  The given parameters for a…

Q: Problem 3: Design a PWM to control a servo motor based on the data given in Table 2 Angle -60 0 +60…

A: PWM refers to pulse width modulation is a term used to describe an digital signal. An PWM signal can…

Q: s motor if you assume V = Eb, w

A: Back EMF equals to applied voltage.