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Difference in differnt type of VSDs


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#1 ash

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Posted 11 May 2006 - 07:45 AM

Dear Friends

Can any body explain in details the followings:

1. what are the differences in different types of VSDs available in the market?

2. Functional / working Principle comparasion of siemens Vector control VSD and ABB DTC VSD. ( are these are open loop or closed loop VSDs.......sensorless or ? ) What are other brands availble with the same principle.

Regards

ash

#2 jraef

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Posted 11 May 2006 - 11:11 PM

QUOTE(ash @ May 11 2006, 12:45 AM) View Post

Dear Friends

Can any body explain in details the followings:

1. what are the differences in different types of VSDs available in the market?

2. Functional / working Principle comparasion of siemens Vector control VSD and ABB DTC VSD. ( are these are open loop or closed loop VSDs.......sensorless or ? ) What are other brands availble with the same principle.

Regards

ash


For part 1, you are pretty much goping to need to do your own research on that, but start by defining what is meant by "types". That could be as simple as 2 types, those that work and those that don't!

For part 2, search this site for earlier discussions about DTC. As far as I know, ABB are the only ones promoting that technology.
"He's not dead, he's just pinin' for the fjords!"




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