10) The "Four Quadrant Operation" principle: a) implies that the power is bidirectional. b) indicates the regenerative braking principle of AC motor drive system. c) as applied on all types of DC-DC converters. d) allows for all possible combinations of the signs of the output voltage and current. e) all of above. a+b+d. 11) Three-phase full-bridge inverter: a) uses three-sinudoidal control voltage waveforms. b) has six switches which necessitates six switching pulses. c) produces three-phase balanced voltages if the control voltages are balanced. d) does not produce harmonic components if PWM technique is used. a+b+d a+b+c 12) The commutation interval in controlled and uncontrolled rectifier circuits: a) resulted from the highly inductive loads. b) resulted from the series inductance of the source. c) reduces the average value of the output DC voltage. all of the above. e) btc. f) atc.

10) The "Four Quadrant Operation" principle: a) implies that the power is bidirectional. b) indicates the regenerative braking principle of AC motor drive system. c) as applied on all types of DC-DC converters. d) allows for all possible combinations of the signs of the output voltage and current. e) all of above. a+b+d. 11) Three-phase full-bridge inverter: a) uses three-sinudoidal control voltage waveforms. b) has six switches which necessitates six switching pulses. c) produces three-phase balanced voltages if the control voltages are balanced. d) does not produce harmonic components if PWM technique is used. a+b+d a+b+c 12) The commutation interval in controlled and uncontrolled rectifier circuits: a) resulted from the highly inductive loads. b) resulted from the series inductance of the source. c) reduces the average value of the output DC voltage. all of the above. e) btc. f) atc.

Electric Motor Control

10th Edition

ISBN:9781133702818

Author:Herman

Publisher:Herman

Chapter22: Sequence Control

Section: Chapter Questions

Problem 1SQ: Describe what is meant by sequence control.

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