The armature resistance of a 200 V shunt motor is 0.4 ohms and no load current is 2 Amps. When loaded and taking an armature current of 50 A, the speed is 1200 rpm. Find the no-load speed.
Q: A 250-V Shunt DC Motor with armature resistance of 0.5-ohm runs at 600 rpm on full load and takes an…
A: In this question, A 250-V Shunt DC Motor armature resistance = 0.5-ohm runs No= 600 rpm on full load…
Q: 6. A 10 kW, 250 V Shunt motor has an armature resistance of O.5 ohm and a field resistance of 200…
A: The solution is given below
Q: 250 V, d.c. shunt motor has shunt field resistance of 250 Ώ and an armature resistance of 0.25 Ώ.…
A: DC machines (Generator/ Motor) are the important parts of electrical drives. These machines are used…
Q: A 30 hp, 240 V, 1150 rpm DC shunt motor, operating at rated conditions, has an efficiency of 88.5…
A: According to the question we have to find (a) percentage of the total losses are due to rotational…
Q: A 230-V shunt motor draws 5 A at a no-load speed of 2400 rpm. The shunt- field resistance is 115 0,…
A: In the DC shunt motor, 230V, At no load draw current 5A, No load speed No= 2400 rpm Field…
Q: Armature resistance of a 230V shunt motor is 0.6 Q and no load current is 5A. When the rotor is…
A: Given in the question: Armature current, IA = 60A Armature resistance, RA = 0.6Ω The terminal…
Q: A 250 V, DC shunt motor has shunt field resistance of 250 ohm and an armature resistance of 0.25…
A:
Q: A 241-V shunt motor has an armature resistance of 0.4 ohm and a field resistance of 100 ohm. At…
A:
Q: A 30 hp, 240 V, 1150 rpm DC shunt motor, operating at rated conditions, has an efficiency of 88.5…
A: Given:Pout=30hp=30×746Pout=22380WV=240VoltN=1150 rpmη=88.5%Ra=0.064ΩRf=93.6Ω
Q: A 10kW, 250V DC shunt motor has an armature resistance of 0.5 ohms and field resistance of 200 ohms.…
A: Soln GivenIsh = 250200= 1.25Aat no luadIa0 = 3A , N0=1200 rpmEb=VT-IaRaEb0= 250-3×0.5 = 248.5 Vat…
Q: ) A shunt motor draws a current of 40 A from a 120 V source and runs at 1200 rpm at rated load. The…
A:
Q: 1. A 100-V shunt motor is developing 6 bg while operating at an overall efficiency of 86%. The…
A: as per our guidelines we are supposed to answer only one question so i am solving first question .…
Q: A 4-pole, 240-V., wave-connected shunt motor gives 11.19 kW when running at 1000 rpm and drawing…
A:
Q: A certain dc motor has RA=1.3 Ω, IA=10 A and produces a back emf EA=240 V, while operating at a…
A: Given data: The value of RA is: 1.3Ω The value of IA is: 10 A The value of EA is: 240 V The…
Q: A 230 v, 10 hp d.c. shunt motor delivers power to a load at 1200 r/min. the armature current drawn…
A: Given data, Terminal voltage V = 230 V Speed N = 1200 rpm. Armature current drawn by motor Ia=200 A…
Q: i need the answer quickly
A: The load torque is constant, the speed of the motor will be proportional to the back emf and…
Q: Consider a separately-excited DC motor with an armature resistance RA = 0.2 ohm and terminal voltage…
A: Given: Rated speed, N1=1200 rpmRA=0.2 ΩVT=130 VVF=360V
Q: Determine the torque developed by a 350V dc motor having an armature resistance of 0.5Ω and running…
A:
Q: The armature resistance of a compound direct current motor with a short shunt connection is 0.15Ω ,…
A: The current and voltage drop across the terminals is shown in the following figure.
Q: A) A DC series motor has armature resistance of 0.6 Q and series field resistance of 0.4 0. The…
A:
Q: 2000rpm, 240V DC shunt motor has armature resistance of 0.80 and the field resistance is XQ. When…
A: As per guidelines we are supposed to answer only first 3 sub-parts. So, I request you to please…
Q: A 20 V, DC shunt motor takes a line current of 0.5A. The resistance of shunt field winding is 2002…
A:
Q: -A 250 V d.c. Shunt motor has a shunt field resistance of 2502 and an armature resistance of 0.25 Q.…
A: Supply Voltage, V = 250 V Shunt field resistance (Rsh) = 250 Ω Armature resistance (Ra) = 0.25 Ω…
Q: A 150 V dc shunt motor drives a constant-torque load at a speed of 1200 rpm. the armature and field…
A: we will find new current from the relation of constant torque. and we will find back emf s at two…
Q: Series motor takes (85 A) on full-load voltage (400 V) and runs at (10o00 r.p.m) the armature…
A:
Q: A 150 V, 1400 rpm shunt DC motor is used to supply rated output power to a constant torque load. On…
A:
Q: A 2600-V, 950 HP, 0.8-PF leading, 50-Hz, 4-pole, Y-connected synchronous motor has a synchronous…
A:
Q: Q9-A 250 V d.c. Shunt motor has a shunt field resistance of 250 and an armature resistance of 0.25…
A:
Q: Q: A 250 V dc shunt motor takes a current of 30A on a certain load. Ra= 1 ohm and Rsh= 125 ohm. Find…
A: Given line voltage of DC shunt motor is VL=250V. Line current taken by the motor is IL=30A. Armature…
Q: A DC series motor of 240 V as input voltage has an armature resistance of 0.5 Q and a field…
A: Given a DC series motorsupply voltage Vs=240VArmature Resistance Ra=0.5ΩField Resistance Rf=10Ωat…
Q: ) Separately excited DC Motor of 10-HP with an armature onnected directly to a 230-volt supply line.…
A:
Q: A 230 V DC shunt motor has a full-load efficiency of 89.9%. Rated (full) load is 40 hp. Motor…
A: As per the guidelines of the bar
Q: H.W(3) A (250) volt d.c shunt motor has shunt field resistance of (250 2) and an armature resistance…
A: Given: A DC shunt motor has, Supply voltage, V = 250 V Shunt field resistance, Rsh1=250 Ω Armature…
Q: 2.) A 220 V dc shunt motor has an armature resistance of 0.5 ohms and is excited to produce constant…
A:
Q: 8-) A 15-hp, 220-V series DC motor has an armature resistance of 0.120 and a series field resistance…
A: Part (a) Output power of given motor is, Po=15×746Po=11190 W Input power is,…
Q: A 240 V, DC shunt motor draws 15 A while supplying the rated load at a speed of 100 rad/s. The…
A: Given- Voltage Vt=240 V. Line current I=15 A. Armature resistance Ra=0.5 Ω. Shunt resistance Rsh=80…
Q: Help please and explanation if possible...TIA
A: Given, Output voltage= 48 voltsSpeed= 1200Armature resistance= 0.2 ohmField resistance= 60 ohmLine…
Q: 250-V, 50 HP (37.3 kW), DC Shunt Motor has an efficiency of 90 % when running at 1000 rpm on full…
A: DC generators Above question is based on DC motor, the major classification of DC motor are Series…
Q: A 230 V DC shunt motor has a full-load efficiency of 89.9%. Rated (full) load is 40 hp. Motor…
A: Solve first three sub-parts in a multiple sub-part question, unless the student has asked for…
Q: A student is performing on 220 v dc shunt motor in which he uses an armaturer resistanceof 0.22 ohm…
A: (a) Terminal voltage is given V = 220 V At full load line current is IL=20 A Shunt field resistance…
Q: A 220 V, shunt DC motor takes an armature current of 18 A. The armature resistance is 0.2 0.…
A: At No loadNNL=975VL=220Em0=220-Ia0×RaKϕNNL=220-1×0.2KϕNNL=219.8 1 At loaded condition…
Q: 2000rpm, 240V DC shunt motor has armature resistance of 0.80 and the field resistance is XQ. When…
A:
Q: The resistance of the armature of a 220-V shunt motor is 0.4 Ω and its full-load speed is 1050…
A: Back EMF or Armature induced EMF = Flux×speed×No. of armature conductors60×Polesparallel paths=…
Q: A 550-volt long-shunt compound motor has armature an resistance of 0.815 ohm and a series field…
A: The solution is given below.
Q: Q4 A 220 V shunt motor has an armature resistance of 0.5 N and take armature current of 40 A at…
A: The solution is given below
Q: A DC shunt motor is supplied by 250-volt and 15kW at rated load, if the No-load speed is 10 r.p.m…
A:
Q: A 230 V DC shunt motor has a full-load efficiency of 89.9%. Rated (full) load is 40 hp. Motor…
A: Note: As per our company guidelines we are supposed to answer ?️only the first 3️⃣ sub-parts. Kindly…
Q: A 240V , Shunt DC - motor delivers power to a load at 1200 Rev / Min . The load Torque drawn by the…
A: We have given the following problem A 240V Shunt DC-motor delivers power to a load at 1200 Rev / Min…
Q: A 100 v dc series motors run at 400 rpm when taking a current of 55 Amp. Armature resistance is 0.03…
A: Disclaimer: Since you have asked multiple questions, we will solve the first question for you. If…
Q: The armature resistance of the 220V shunt DC motor is 0.2 ohms and the field resistance is 110 ohms.…
A:
The armature resistance of a 200 V shunt motor is 0.4 ohms and no load current is 2 Amps. When loaded and taking an armature current of 50 A, the speed is 1200 rpm. Find the no-load speed.
Step by step
Solved in 2 steps with 1 images
- A 250-V, 50 HP (37.3 kW), DC Shunt Motor has an efficiency of 90 % when running at 1000 rpm on full load. The armature and field resistance are 0.1-ohm and 115-ohm respectively. Find (a) the net and develop torque (b) the startine g resistance to have the line start current equal to 1.5 times the full load current.Help please and explanation if possible...TIA A 48 V, DC shunt motor delivers power to a load at 1200 r/min. The armature circuit resistance of the motor is 0.2 Ω and the field resistance is 60 Ω. The line current is 8 A. Assume no rotational losses. What is the value of the load torque in N·m?1) A 100-V shunt motor is developing 6 hp while operating at an overall efficiency of 86%. The armature and shunt field resistances are 0.06 and 50 ohms respectively. Determine the stray power losses.
- A 220 V D.C. shunt motor with armature resistance of 0.5 ohm is excited to produce a constant main field. At full load, the motor runs at 500 r.p.m and consumes an armature current of 30 A. If a resistance of 1.0 ohm is placed in the armature circuit, find the speed at(i) full load torque(ii) thrice full load torque.The armature resistance of a compound direct current motor with a short shunt connection is 0.15Ω , series winding resistance 0.25Ω and shunt winding The resistance is given as 800Ω. The armature of the DC motor with a terminal voltage of 120 is 1400 rpm. If it draws 12 amps from the motor terminals while rotating, the torque produced by the motor and Find the efficiency of the engine.Q: A 250 V dc shunt motor takes a current of 30A on a certain load. Ra= 1 ohm and Rsh= 125 ohm. Find the resistance to be inserted in series with the armature to reduce the speed to 60% of its original value if the load torque is constant
- A 120-V shunt DC motor has armature resistance RA=0.2Ω and and field resistance RF=60Ω . The rated full load current is 42 A. Calculate the following:Design a starting circuit for the DC motor that will limit maximum starting current to 150%of rated armature current.1. Find number of stage in the starting cicuit2. Find EA at the end of each stage3. Find the resistance of each stageThe armature resistance of the 220V shunt DC motor is 0.2 ohms and the field resistance is 110 ohms. When the motor is connected to a constant 220v source, it draws 7 amper of input current while rotating at 1000 rpm in no-load condition. As the input power is 11 kw at full load ; a) find the speed of the engine b) what is the total torque generated by the motor c) what is the motor efficiency at full loadA certain 230-volt shunt motor with an armature resistance of 0.07ohm, including brushes, generates a torque of 250 lb-ft at 1,200 rpm and has an armature current of 210 amp. Calculate the torque developed and the speed when the armature current is 300 amp and the field is reduced 75 per cent of normal. write diagram and givens
- Determine the torque developed by a 350V dc motor having an armature resistance of 0.5Ω and running at 15rev/sec. The armature current is 60A.The armature resistance of a compound direct current motor with short shunt is 0.15 , the series winding resistance is 0.25 and the shunt winding The resistance is given as 800 . The armature of the DC motor with a terminal voltage of 120 is 1400 rpm. If it draws 12 amps from the motor terminals while rotating, the torque produced by the motor and Find the efficiency of the engine.1. A 100 v dc series motors run at 400 rpm when taking a current of 55 Amp. Armature resistance is 0.03 ohm, field resistance is 0.03 ohm. If the load torque remains the same. What is the input current when the field is shunted by a resistor of 0.02 ohm? 2. A four-pole lap wound 500 V shunt motor takes a full-load armature current of 50A, the full-load speed being 800 r.p.m. There are 440 armature conductors and armature resistance is 0.3 ohm, contact drop brush = 1 V.Find the useful flux per pole.