Electric Motor Control
10th Edition
ISBN: 9781133702818
Author: Herman
Publisher: CENGAGE L
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Textbook Question
Chapter 26, Problem 5SQ
What is meant by the low or poor starting economy of a primary resistor starter?
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Chapter 26 Solutions
Electric Motor Control
Ch. 26 - What is the purpose of inserting resistance in the...Ch. 26 - Why is the power not interrupted when the motor...Ch. 26 - If the starter is to function properly and a...Ch. 26 - How may additional steps of acceleration be added?Ch. 26 - What is meant by the low or poor starting economy...Ch. 26 - Prob. 6SQ
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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
- ANSWERE FAST PLEASE QUESTION from book ELECTRIC MACHINE-1 LAB BASESD QUESTION Answer precisely keeping in view the experiments performed with the equipment in the lab. iv. What effect will the load have on a DC shunt motor with significantly high armature resistance?v. For the four-point DC starter kit, what will happen if the series resistances are connected in reverseorder. Draw and explain how this combination is better than the 3 points started.arrow_forwardDraw the circuit diagram for the squirrel cage motor and name all the components too.arrow_forwardCRPET 2amEiNee 4 - Explain, resistance ? S - Why it without load 6 - Which is be wused in answer . in details, why it is necessary to is not possible to start the d. c. 2 use starting series motor perferable ( d. c. shunt or d. c. series motor ) to places require high starting torque ? prove yourarrow_forward
- How can the current that a direct current motor will consume at start-up be determined?arrow_forwarda. it is the force exerted by the motor to perform a task b. it is a type of motor which is dominantly the choice for different applications as far as speed and control is concerned. c. it is a mounting style wherein the AC motor is mounted using a rugged flange that carries its weight and it is commonly attached to the gearbox.arrow_forwardWhat is the full-load current of a 500-volt, DC, 20-horsepower motor?arrow_forward
- Q/ When a series dc motor is operated without a load, which of the following conditions occurs? * Ans 1- The armature draws excessive current 2- The armature speeds out of control 3- The armature will not turn 4-The voltage requirement increasesarrow_forwardExplain with mathematical reasons why direct current motors cannot be operated from a constant voltage source. If a direct current motor is desired to be operated from a constant voltage source, explain the application to be done.arrow_forwardDesign a suitable 8 section starter for a 14.92 kW, 250 volt, 1000 rpm d.c. shunt motor from the following data: Maximum starting torque= full load torque Armature circuit resistance = 0.4 ohm Full load efficiency = 0.85arrow_forward
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