Industrial Motor Control
7th Edition
ISBN: 9781133691808
Author: Stephen Herman
Publisher: Cengage Learning
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Chapter 43, Problem 6RQ
The amount of countertorque developed by a direct-current generator is proportional to what?
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Chapter 43 Solutions
Industrial Motor Control
Ch. 43 - Prob. 1RQCh. 43 - How is the braking force of drum-type brakes...Ch. 43 - Why are mechanical brakes often used on cranes?Ch. 43 - What is the advantage of dynamic brakes over...Ch. 43 - What is the disadvantage of dynamic brakes when...Ch. 43 - The amount of countertorque developed by a...Ch. 43 - When using dynamic braking for a direct-current...Ch. 43 - Name three factors that determine the amount of...Ch. 43 - How is dynamic braking for direct-current motors...Ch. 43 - How is the dynamic braking force of an...
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- A gear has a gear wheel with 16 teeth. The gear should be dimensioned for the highest and lowest gear ratio. Looking for output power, torque, speed?nin= 2000 rpmmin = 30Nmn=0,9a max= 450 mmModule 4Gear limitsz1 z213 13-1614 14-2615 15-4516 16-10117 17-131418 18-…..I have calculate but I can’t get the right answers…..√16 =459x60/56x57=1.1 lowest59x60/13x13=20,94 highestnut=2000/1.1= 1818rpmnut=2000/20.94=95.5 rpmMut=1.1x30=33 NmMut=20.94x30=628,2 Nm(Right answer)LowestZ=13, M=24,4Nm, n=2462 rpmHighestZ=92, M=172,5Nm, n=347,8 rpmP=5655W on botharrow_forwardPlease see attached pic.arrow_forwardPlease see attached pic.arrow_forward
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