A 2-pole, induction motor supplies 15kW (50Hz) a load at a speed of 2950 r/min.a. Calculate the motor's slipb. What is the induced torque of the motor in N.m?c. Calculate the operating speed of the motor when its torque is doubled.d. How much power will be supplied by the motor when the torque is doubled?

Answered: Image /qna-images/answer/980e28d0-ca3e-46d0-96b0-c6199e8521c2.jpg

Answered: A 2-pole, induction motor supplies 15kW…

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

Similar questions

Name three factors that determine the torque produced by an induction motor.
A 240-V series motor has an armature resistanceof 0.42Ω and a series-field resistance of0.18Ω . If the speed is 500 r/min when the current is36 A, what will be the motor speed when the loadreduces the line current to 21 A? (Assume a 3-Vbrush drop and that the flux is proportional to thecurrent.)
hotors a) What power is developed by a motor that turns at 1200 rpm and has a torque of 3.0 N-m?
Q- The armature resistance of a permanent magnet dc motor is 0.80. At no load, the motor draws 1.5 A from a supply voltage of 25 V and runs at 1500 rpm. The efficiency of the motor while it is operating on load at 1500 rpm drawing a current of 3.5 A from the same source will be
A 415V squirrel cage induction motor develops a torque of 40NM. The torque developed by the motor if the supply voltage drops to 380V is
An induction motor has a full load slip of 0.04. It's starting current 5 times its full load current. What is the ratio of starting torque to the full load torque? Select one: a. 2 b. 0.5 c. 0.2 d. 1
A DC shunt generator delivers 45 A at a terminal voltage of 220 V. The armature and the shunt field resistances are 0.01 2 and 44N respectively. The stray losses are 375 W. What is percentage efficiency of the DC generator
Please solve the problem
2. A 2-pole, 50 Hz induction motor supplies 15 kW to a load at a speed of 2950 rpm. a. What is the motor's slip? b. What is the induced torque in the motor in N-m under these conditions? c. What will be the operating speed of the motor be if its torque is doubled? d. How much power will be supplied by the motor when the torque is doubled?
A 400 V DC series motor develops shaft torque of 200 Nm at 80 percent efficiency while running at 1200 rpm. The current drawn by the motor in amperes is?
A 22 kW, 230 V Series DC motor runs at 750 rev/min at full load and draws 110 A from the supply. The resistance of the armature is 0.1250 and the series field 0.0250. Calculate the speed when the load is reduced such that the input current reduces to 56 A. Assume that the useful flux per pole at 110 A is 23.9 mWb and the flux for 56 A is be 15.5 mWb.
Q3: A universal fractional horsepower series motor has a resistance of 30 Q and a total inductance of 0.5 H. When connected to a 250 V d.c. supply and loaded to take 0.8 A, it runs at 2000 r.p.m. Estimate the speed and p.f. when connected to a 250 V a.c. supply and loaded to the same current.

SEE MORE QUESTIONS

Recommended textbooks for you

Delmar's Standard Textbook Of Electricity

Electrical Engineering

ISBN:

9781337900348

Author:

Stephen L. Herman

Publisher:

Cengage Learning

Delmar's Standard Textbook Of Electricity

Electrical Engineering

ISBN:

9781337900348

Author:

Stephen L. Herman

Publisher:

Cengage Learning

SEE MORE TEXTBOOKS