Electric Motor Control
10th Edition
ISBN: 9781133702818
Author: Herman
Publisher: CENGAGE L
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Textbook Question
Chapter 36, Problem 8SQ
If there is a locked rotor in the secondary circuit, what will be the value of the frequency?
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Chapter 36 Solutions
Electric Motor Control
Ch. 36 - Are the secondary resistors connected in three...Ch. 36 - Do secondary resistors on starters with three or...Ch. 36 - Does reversing the secondary rotor leads mean that...Ch. 36 - If one of the secondary resistor contacts (S2)...Ch. 36 - In Figure 362, how many different interlocking...Ch. 36 - Referring to Figure 364, why is it not possible to...Ch. 36 - Prob. 7SQCh. 36 - If there is a locked rotor in the secondary...Ch. 36 - Why is it necessary to remove the jumpers in...Ch. 36 - Prob. 10SQ
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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
- Refer to the circuit shown in Figure 6016. The motor will not start in either the forward or reverse direction when the start push buttons are pressed. Which of the following could not cause this problem? a. The F coil is open. b. The overload contact is open. c. The control transformer fuse is blown. d. The stop push button is not making a complete circuit.arrow_forwardThe amount of short-circuit current from a motor is equal approximately to_current for each motor. A.accelerating b. locked-rotor c. stator d. finalarrow_forwardWhen you see a fan unbalance frequency on the motor in an overhung fan system, one of the problems with the system is sure to bearrow_forward
- When is necessary to privide automatic control of the voltage output at constant speed, the generator selected is aarrow_forwardThe given pic is a single phase motor equivalent circuit I1 is the input current or the stator current, the question is identify the out pit current or the rotor currentarrow_forwardin figure 43-11 when the start button is pushed and the motorstarts in the forward direction, the plugging switch closes. What prevents the reversing contactor from energizing when the plugging switch closesarrow_forward
- Please solve with explanation Not Directly answers:A three phase induction motor take a starting current of 42 ampere when full voltage is apply across in delta connected stator. with the same voltage the current drawn by the star connected motor will be calculate:(A)42A(B)28A(C)21A(D)14Aarrow_forwardAn induction motor has 4 pole and operated at 50 Hz, 230 Volt. Speed of induction motor is 1600rpm. Find weather motor is in motoring region or generating region.arrow_forwardWhen the rotor angle is increasing with respect to time, then the stability of the power system will be ....................condition.arrow_forward
- The fuse in one of the supply phases of a running 3-phase I.M. blows off. Will the motor continue to run at ( i) original speed (ii) reduced speed (iii) come to stand still?arrow_forward10 What type of supply is given to the stator of the three-phase induction motor? a. Three phase supply b. Two phase supply c. Four phase supply d. Single phase supplyarrow_forwardWhat is the name of the voltage when the field current is zero of the open circuit of the DC generator? a. rated voltage b. Generated EMF c. Back emf d. Residual voltage Clear my choicearrow_forward
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