Answered: 5.) The exact full load current of 208…

5.) The exact full load current of 208 V, 3Ø, 50 hp SCIM motor with an 80 % power factor is A. 103.75 A B. 104 A C. 65 A D. 85 A

Delmar's Standard Textbook Of Electricity

7th Edition

ISBN:9781337900348

Author:Stephen L. Herman

Publisher:Stephen L. Herman

Chapter32: Three-phase Motors

Section: Chapter Questions

Problem 13RQ: A squirrel-cage induction motor is operating at 1175 RPM and producing a torque of 22 Ib-ft. What is...

See similar textbooks

Related questions

Q: A D.C series motor hoists a load at 4 m/sec while taking 30 A at 300 V from D.C mains. The total…

Q: Q2. Suggest a suitable method to raise the speed of a de shunt motor 1 Add file

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

Q: A 400 V, 50 Hz 30 hp, three-phase induction 50 A current at 0.8 power factor lagging. The stator and…

A: Given values are - Vt=400VI=50Acosϕ=0.8laggingStator copper lossPS=1500WRotor copper…

Q: QUESTION # 05 A shunt motor on a 240 V line has an armature current of 75 A. If the field circuit…

A: Given:- Voltage V=240 V Armature current Ia=75 A Field resistance Rsh=100 Ω We have to find field…

Q: A universal series motor, when operating on 220 Vdc draws 10A and runs at 1400 rpm. Find the new…

A: Universal Motor The Universal motor can operate either in a single-phase AC supply or DC supply. To…

Q: 9. A 250 V, dec. shunt motor takes a current of 4 A from 250 V mains when running ot no-lood The…

Q: A 400 V, 3phase Induction motor has a power output of 30 HP and operates at a power factor of 0.8…

A: Given 3phase induction motor with Line Voltage=400 v power output(P out) =30 HP power output in…

Q: Two series motors are exactly alike in construction except that the air gap of one is slightly…

A: The solution is given below

Q: A DC shunt generator has a field winding resistance of 110 ohms and a load current of 250 amps at…

A: Solution- DC shunt generator, from the diagram- Ia = IL+Ish

Q: Electrical Engineering DRAW THE FOLLOWING DIAGRAMS OF INDUCTION MOTOR AND LABEL THEM ( MAKE SURE…

A: Electrical Engineering DRAW THE FOLLOWING DIAGRAMS OF INDUCTION MOTOR AND LABEL THEM 1) 3-phase…

Q: The power input to a 500 V, 50 Hz, 6 pole, 3 phase induction mote running at 975 rpm is 40 KW. The…

A: In this question we will find slip , rotor cu loss , shaft power and efficiency.....

Q: induction motor delivers 9.9 Hp with an input of 9200 watt. The core loss is 450 watt. The stator…

Q: A 10 Hp 220 V shunt motor takes a current of 3A when running light. Calculate the maximum efficiency…

Q: series motor runs at (800 r.p.m) when the voltage is (400 V A). The armature resistance is (0.4 Q)…

Q: QUESTION 7 A three phase 2 HP,Induction Motor has the following ratings. Full load(Rated)…

A: PART (A): Given, Power rating of the motor = 2 HPPower rating of the motor = 2×746 W=1492 WFull load…

Q: Q1 // A series motor runs at ( 900 r.p.m ) when the voltage is ( 380 V) and the current is ( 20 A).…

A: The solution can be achieved as follows.

Q: A 200V DC series motor takes a 10A .The armature and field resistance of 50 ohms and 100 ohms…

Q: Q: Calculate the efficiency of the dic motor for each step then plot the set of curves (efficiency)…

A: given data:- n%=PoutPinx100%Pin=VaIaPout=Tω ; ω=2πN60

Q: 211 A 600W, 115V, 60Hz capacitor-start motor draws 13.8A from the supply at rated load. If the…

A: For hp we need to divide output power by 746 watt as 1hp = 746 watt Given in previous parts, input…

Q: 4. A 5 Hp 220 V 4 pole 60 Hz 3phase induction motor was tested and the following data is obtained:…

Q: Q4- A d.c. series motor runs at 500 r. p.m. on 220V supply drawing a current of 50A .The total…

Q: 1.) Compare AC Motor and DC Motor. 2.) Define the parts and functions of AC Motor.

A: S.NO. AC MOTOR DC MOTOR 1. This is a motor which is managed by alternating current (AC). It is the…

Q: special electric motor required 1.962 kW and 9.5 amperes from a given voltage source of 220 V with…

A: We need to find out power factor for given power

Q: 3) A In which of the following application DC series motor is used: A. Centrifugal Pump B. Motor…

A: Note: As per our guidelines we are supposed to answer only first 3 multiple choice question. Kindly…

Q: b) Figure Q2(b) shows a name plate details of de separately excited motor used in industrial drive.…

Q: Calculate the output torque of a motor in lb-ft. when operates at 1200 rpm at a power input of…

A: The solution can be achieved as follows.

Q: A (16 HP, 3-Phase, 380 volts) motor with an efficiency of 95% is operating at a load factor of 0.78.…

A: Choose the correct options If the motor have parameters 16HP, 3 phase , 380V Efficiency n= 95% at…

Q: current through the armature of a motor changes from +3.0-A to - 3.0-A in 0.0030 s. A 104- V induced…

A: We need to find out the inductance for given Change in current

Q: An induction motor of 10 kW rated mechanical power and an overall efficiency of 80%. The rotational…

A: An induction motor 10kW rated mechanical power and an overall efficiency of 80% . The rotational…

Q: A dc motor develops of torque of 100 Nm at 1000 rpm. If the motor now runs at 1200 rpm, the torque…

Q: a) A 60 kW, 240 Vv, 1800 rpm separately excited de motor is controlled by a converter, as shown in…

Q: Two generators operating in parallel supply a total load current of 150 A.The terminal potential…

A: apply KCL at node connecting machines and load and than using ohms law find equation in terms of…

Q: 2: Calculate the maximum load of motor reached over full load that can be carried by a 25 kW output…

A: 25KW output power temperature rise on full load after 2 hour is 30oC and after 4 hour is 40oC To…

Q: Two shunt generators and a battery are working in parallel. The open-circuit voltage, armature and…

A: Given Eg1=240 VRa1=0.25 ΩRsh1=100 ΩEg2=238 VRa2=0.20 ΩRsh2=100 ΩI=80 A

Q: Calculate the shaft power of a series motor having the following data; overall efficiency 83.5%…

A: In this question we will find output power or shaft power of DC series motor....

Q: A 240 V DC shunt motor takes 20 A and delivers 28 N.m at 1350 r.p.m, the efficiency is . O 73.63% O…

A: Given: A DC shunt motor having following specifications Rated voltage, V=240 V Current, I=20 A…

Q: What is the Back emf of the Series motor

Q: Q2\ A d.c. shunt motor runs at a speed of 1000 r.p.m on no load ,taking a current of 6 A from the…

A: We will find armature induced voltage at noload and full load. Taking ratios of induced emfs at…

Q: A d.e series motor has a resistance of W between its terminals.The motor runs at 700 r.p.m. at 230 V…

A: According to question we have yo calculate the value speed of motor.

Q: The field windings of a series motor has a resistance of 120 ohms at 15 ˚C. After running for two…

Q: Two de generators each having linear characteristics that operate in parallel. One machine has a…

A: In this question, Two de generators each having linear characteristics that operate in parallel. One…

Q: A 400V, 60HZ, 6-pole wye connected , 30 induction motor draws 75KW with a line current of 100A. The…

Q: A dc series motor on full load takes 50A from 230V dc mains. The total resistance of the motor is…

A: Input power or power drawn from supply VIa =230V *50 Loss due resistance Ia2R+ = (50)2 * .22…

Q: A240 V d.c. series motor takes 40 A when giving its rated output at 1500 r.p.m. its total resistance…

Q: Two shunt generators operating in parallel have each an armature resistance of 0.02 . The combined…

Q: A 240 V shunt generator has an armature resistance of 0.05 Ω and a shunt field resistance of 60 Ω.…

Concept explainers

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.

Question

100%

5.) The exact full load current of 208 V, 3Ø, 50 hp SCIM motor with an 80 % power factor is A. 103.75 A B. 104 A C. 65 A D. 85 A

Expert Solution

This question has been solved!

Explore an expertly crafted, step-by-step solution for a thorough understanding of key concepts.

SEE SOLUTION Check out a sample Q&A here

Step 1

VIEW

Step 2

VIEW

Step by step

Solved in 2 steps with 2 images

SEE SOLUTION Check out a sample Q&A here

Knowledge Booster

Learn more about

Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, electrical-engineering and related others by exploring similar questions and additional content below.

Similar questions

6) a) A Series motor takes a current of 20 A when the supply voltage is 230V. If the total resistance of the motor is 2 Ω and the Iron, Friction, Windage losses are 100 W. Find the efficiency of the motor. b) In DC motor, Back emf is less than Supply voltage. Justify
A 400v series motor working with unsaturated field staking 60A and running at 840rpm the total resistance of the motor is 0.1ohm. At what speed will thr motor run when developing half full load torque.
A dc series motor drives a load a 30rev/s and takes a current of 10A when the supply voltage is 400V. If the total resistance of the motor is 2ohms and the iron, friction and windage losses amount to 300W, determine the efficiency of the motor.
A 480 V, 988 r.p.m. d.c. shunt motor its full-load efficiency of 88 percent. The armature circuit resistance is 0.19 Q, the motor input current is 72 A and there is total voltage drop of 1.8 V at the brushes. The field current is 1.66 A. Determine (i) The motor output power (ii) The mechanical torque in N-m.
A 10-hp (7.46 kW), 250-V. shunt motor takes a line current of 5 A. when runninglight. Calculate the efficiency when delivering full load output, if the armature andfield resistances are 0.5 Ω and 250 Ω respectively. At what output power will theefficiency be maximum?
On no-load, a shunt motor takes 5 A at 250 V, the resistances of the field and armature circuits are 250 Ω and 0.1 Ω respectively. Calculate the output power and efficiency of the motor when the total supply current is 81 A at the same supply voltage. State any assumptions made.
9 Determine the value of supply voltage for a DC Series Motor having back EMF of 206.2V with armature resistance of 0.6 ohms, series field resistance of 1.4 ohms and motor current of 16.5A. a. 193.00 V b. 239.20 V c. 219.40 V d. 173.20 V
A de shunt Motor running light takes current of 4A and run at speed (660 r.p.m) the Ra is 0.3 ohm and that the Rsh is 270 ohm 50 h.p (37.3 kw) 460 v. Determine whine the motor running at full load : 1- The current in put . 2-The speed determine the armature current at which efficiency is maximum
A dc series motor drives a load a 30rev/s and takes a current of 10A when the supply voltage is 400V. If the total resistance of the motor is 2Ω and the iron, friction and windage losses amount to 300W , determine the efficiency of the motor ANSWER:_______________%
The speed of a 230 V shunt motor is to be reduced from 900 r.p.m to 600 r.p.m. The resistance of the armature circuit is 0.3 ohm. When the motor current is 30 A, speed is 900 r.p.m. If the current reduces to 20 A at lower speed, what arrangement should be made? Neglect any effect not included in the data given.
A 3-phase, 6-pole and 50Hz induction motor has a speed of 955d/min under full load, a torque of 120 N.m and a current of 20 A. Under rated voltage, the starting current is 100A. Accordingly, which of the following is the starting torque of the motor?a) 120N.mb) 150N.mc) 144N.md) 135N.me) 156N.m
1. A 2-pole d.c shunt motor operating from a 200 V supply takes a full-load current of 35 A, the no- load current being 2 A. The field resistance is 500 W and the armature has a resistance of 0.6 W. Calculate the efficiency of the motor on full-load. Take the brush drop as being equal to 1.5 V per brush arm. Neglect temperature rise. 2.Calculate the shaft power of a series motor having the following data; overall efficiency 83.5%, speed 550 p.m. when taking 65 A; motor resistance 0.2 W, flux per pole 25 mWb, armature winding lap with 1200 conductor.