what's the DC bus ripple of XVR and XVE

[Henry_Hua]

Dear Colleagues,

what's the DC bus ripple of the XVR and XVE? I can not find it from our project manual, thank you!

B.R.

Henry

[Drives_Uwe]

This depends mainly on the load power and is much better on XVR if compared to XVE. What is the background of your question?

[Henry_Hua]

Hello Uwe,

the background is customer is using our XVR+3*XMS+3*high speed 3rd party motor(rated speed 6500 RPM) with the MB_TorqueBalance in XM42 , customer think the less ripple will help more stable tension control.And they are also considering to use the XVE.

Do we have the rough or draft data of the ripple for XVR or XVE? thank you!

B.R.

Henry

[Drives_Uwe]

See measurement with medium load on a XVR:
--> small ripple of 5 V

See measurement with medium load on a XVE:
--> higher ripple of 15 V at time 400, 700, 1300 and 1600 ms in load condition and getting shifted if regenerating changing energy is present --> peaks to 610 V