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Anonymous Poster

Electrical Devices 101

02/05/2008 10:23 AM

Q. No. 1

How does the variable frequency drive controls the current?

Q. No. 2

What factors decide the amount of current to be drawn by a device?

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Guru
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#1

Re: Electrical Devices 101

02/05/2008 10:39 AM

Are you looking for homework help, Guest? If so, please read this excerpt from the CR4 FAQs

"Do your own homework. CR4 is not a homework cheat site. While some here might relish the opportunity to sharpen up old rusty skills by working the homework problem, consider this and consider it well. If you cheat on your homework by using someone else's answers, you are only cheating yourself, because the purpose of any homework or other college assignments is to help you learn, by practice, repetition, and self-discovery."

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Anonymous Poster
#3
In reply to #1

Re: Electrical Devices 101

02/05/2008 11:40 AM

Right on Moose....

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#2

Re: Electrical Devices 101

02/05/2008 10:39 AM

<...What factors decide the amount of current to be drawn by a device...>

The load torque and the current are proportional to each other, plus a small bit of current for iron losses.

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