A 400 V series motor has a field resistance of 0.2 ohm and an armature resistance of0.1 ohm. The motortakes 30 A of currentat 1000 rpm while developing full load torque. What is the motorspeed when this motor develops 60% of full load torque?

Q: shunt dc motor has armature voltage = 150 V, armature field resistance 100 2, nd armature resistance…

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Q: A 400 V series motor has a field resistance of 0.02 ohm and an armature resistance of 0.1 ohm. The…

A: Given : A 400 V series motor field resistance = 0.02 ohm and an armature resistance = 0.1 ohm. The…

Q: A 240 V shunt motor has an armature current of 15 A when running at 800 rpm against full-load…

A: In this question we need to find a What resistance must be inserted in series with the armature to…

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: OV DC series motor takes the line current of 30 A and runs at 750 rg d if torque is increased to 50…

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Q: A 205 V shunt motor is rated at 5 HP and 1000 rpm. At rated output it draws 29 A of line current.…

A: Given:RSH=101ΩRa=0.5Ω total current, I=29A   Total current is equal to summation of armature current…

Q: shunt motor with an armature winding resistance of 0.01 Ohm and a field winding resistance of 25 Ohm…

A: DC shunt motor Armature winding resistance of 0.01 Ohm field winding resistance of 25 Ohm  DC 50 V…

Q: A 250 V shunt motor, having an armature resistance of 0.2 ohm draws from the mains a current of 50…

A: Given V=250 V armature resistance =Ra =0.2 Ω at half full load, armature current =Ia1 =50 A Initial…

Q: An induction motor develops rated torque with a slip of 3.5% when the rotor is cold. If the rotor…

A: Answer : given that an induction motor develops rated torque with  a slip of S = 3.5%= 0.035 rotor…

Q: A 230-volt series motor has an armature resistance of 0.32 ohm and a series-field resistance of 0.16…

A: Given: V=230 VRa=0.32 ΩN=500 rpmIa=32 A

Q: The torque in dc series motors depend on Select one: O a. the square of the field voltage Ob. the…

A: In this question we will write about torque in dc series motor...

Q: The armature resistance of a 230 V dc shunt motor is 0.5 ohms. It runs at 490 rpm when the armature…

A: Given Armature resistance Ra=0.5 Ω Terminal voltage Vt =230 v Speed N1=490 rpm Armature current Ia…

Q: If a 3-ph induction motor has the following data: The speed at zero value of induced torque is…

A: Explanation: slip = 5% = 0.05 Sinchonous sped Ns = 3000/π rpm Full load torque Tfl = 170 Nm

Q: A 280 V shunt motor has an armature resistance of 0.3 Q and field resistance of 115 Q. At no load,…

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Q: 2. A 110 V shunt motor has a field resistance of 55 ohms and armature resistance of 0.1 ohm. The…

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Q: 1. When running at its operating speed, a 215-V dc motor with an armature whose resistance is 1.70 2…

A: Given data,VT  = 215 VoltsRa = 1.70 OhmsIL  = Ia = 22.0 AWe know that for a dc motor, V = Eb +…

Q: If the losses of the armature wingdings of dc motor which is running at 1200 RPM is neglected and…

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Q: (c) A shunt generator delivers 50 kW at 200 V and 450 rpm. The armature resistance is 0.02 ohm and…

A: Use equivalent dc machine model to solve all the parameters Even though the machine operation…

Q: A 500 V shunt motor running at 720 rpm takes an armature current of 50 A. The equivalent armature…

A: Terminal voltage V = 500 V Initial speed of motor N1=720 rpm Speed after adding resistance, N2=540…

Q: A 200 V dc motor takes 50 A in series and is operating at a speed of 1000 rpm when full of…

A: Given, A dc motor with, Terminal voltage, V=200 V. Armature current, Ia=50 A. Operating speed,…

Q: The armature resistance of a DC motor is 0.4 £2, the supply voltage is 200 V and the back e.m.f. is…

A: Given, A DC motor with, Armature resistance, Ra=0.4 Ω. Supply voltage, Vs=200 V. Back emf, Eb=198 V.…

Q: Wils 2 (B)- Indicate whether the following statements are true or false and correct the false…

A: In this question we will write about dc shunt motor speed , series motor torque etc... Note :- as…

Q: d.c. shunt motor

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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: A 110 V shunt motor has a field resistance of 55 ohms and armature resistance of 0.1 ohm. The motor…

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Q: A DC series motor of resistance 1 ohm across terminals runs at 1000 rpm at 250 V taking a current of…

A: Given, a DC series motor having Resistance across terminal, Rt = 1 ohm Speed, N1 = 1000 rpm Terminal…

Q: 55 hp, 440 V, 400 rpm DC shunt motor draws 107 A when operating at rated conditions. The motor has…

A: In this question we will draw diagram of dc shunt motor showing all  resistance,currents and…

Q: At rated load, a shunt motor draws an armature current of 100 A from a 240 V source while running at…

A: Given: At rated load, Ia1 =100 A, N1=1000 rpm, E1=228 V.At no load, Ia2=5A, E2=235 V, N2=?

Q: A shunt motor is taking 240 A at 100 V. The armature resistance is 0.015 ohm and shunt field…

A: using ohms law field current =Voltage across field windingField resistance. Armature current=Load…

Q: A dc series motor has an armature resistance of 0.06 Q and series field resistance of 0.08 Q. The…

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Q: Which of the characteristics, given in the figure, is of a series DC motor?*

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Q: A 400 V series motor has a field resistance of 0.02 ohm and an armature resistance of 0.1 ohm. The…

A: It is given that: IL1=Ia1=30 AN1=1000 rpmRse=0.02 ΩRa=0.1 ΩVt=400 VRsh=0.03 ΩT2=0.6T1

Q: a 20kw, 200v dc shunt motor has an electrical efficiency of 86% and an armature resistance of…

A: It is given that: Po/p=20 kWV=200 Vη=86 %Ra=0.25 Ω

Three Phase Induction Motor

The induction motor is an electric motor that runs on AC (alternating current) and it is of two type single phase motor that work on single-phase power supply and three-phase motor that work on three-phase power supply.