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Vector drive 325v and 380v diff

friesen

Cast Iron
Joined
Jul 13, 2016
I see that the older 20/15 vector drives say 380V, where the newer 20hp ones say 325V servo DC voltage.

Are the servo drives still the same, or what is the difference?

Are they actually boosting the voltage on those? 230V * sqrt(2) = 325V. I was under the impression that they all used a large diode bridge to get the high volt dc.
 
Answer myself here, plugged it in, I see 325v, so not sure why they are labeled at 380v. 380 / sqrt(2) = 268vac
 








 
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