Q22. Class A chopper is supplying a DC motor with FWD, motor inductance- 6 H & resistance= 12 2, input voltage-220 V, chopper frequency 1kHz and ON time (ton) - 0.5 ms. The back emf of the motor is 5 V. Using this data, select the correct answer for the following ab.c questions.

Q22. Class A chopper is supplying a DC motor with FWD, motor inductance- 6 H & resistance= 12 2, input voltage-220 V, chopper frequency 1kHz and ON time (ton) - 0.5 ms. The back emf of the motor is 5 V. Using this data, select the correct answer for the following ab.c questions.

Electric Motor Control

10th Edition

ISBN:9781133702818

Author:Herman

Publisher:Herman

Chapter36: Automatic Acceleration For Wound Rotor Motors

Section: Chapter Questions

Problem 9SQ: Why is it necessary to remove the jumpers in Figure 362 if limit switches are used? FIG. 362 Typical...

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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

Q22. Class A chopper is supplying a DC motor with FWD, motor inductance= 6 H & resistance=
12 2, input voltage=220 V, chopper frequency = 1kHz and ON time (ton) = 0.5 ms, The back emf of
the motor is 5 V. Using this data, select the correct answer for the following abs questions.

b. The minimum value of the load current equals to
O 8.745 A
O 9 A
O 9.16 A
O None of the preceding

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