A Motor drives a load for which the torque required is given by: Tload = (800/20

Question

A Motor drives a load for which the torque required is given by:

Tload = (800/20+wm)Nm

The torque speed characteristic of teh motor is shown in figure 16.14

a) will this system start from zero speed? why? or why not?

b) suppose that the system is brought up to speed by an auxiliary driver, which is then disangaged. In principle, at what two constant speed can the system rotate?

c) if the system is operating at the lower of the two speeds and power to the motor is briefly interrupted so the system slows by a few radians per second, what will happen after the power is restored? why?

Explanation / Answer

answer is at

plpl check

books.google.com.pk/books?isbn=812033986X

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