A belt-driven 202 Hp shunt wound DC generator is running at 465 rpm and is supplying full load to a bus bar at 232 V. At what speed will it run if the belt breaks and the machine continue to run taking 9 kW from the bus bar? The armature and the field resistances are 0.05 Ohm and 100 Ohms respectively. The brush contact drop is 2 Volts per brush.

A belt-driven 202 Hp shunt wound DC generator is running at 465 rpm and is supplying full load to a bus bar at 232 V. At what speed will it run if the belt breaks and the machine continue to run taking 9 kW from the bus bar? The armature and the field resistances are 0.05 Ohm and 100 Ohms respectively. The brush contact drop is 2 Volts per brush.

Electric Motor Control

10th Edition

ISBN:9781133702818

Author:Herman

Publisher:Herman

Chapter52: Direct Drives And Pulley Drives

Section: Chapter Questions

Problem 9SQ: A machine delivered for installation has a 2-inch pulley on the motor and a 6-inch pulley on the...

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