Parker 890SD - 4-Q Active Front End

Operating the Drive
890CS Common Bus Supply - Frames B & D; 890CD Common Bus Drive and 890SD Standalone Drive - Frames B, C & D Page 7-25
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E
4-Q Active Front End
The 4-Q Regen drive requires the following 4-Q Active Front End:
Notes:
Contactor CON1 is rated to match the 4-Q power supply drive current (AC1 rating)
The 3% and 5% line chokes are custom designed for this application. Refer to page 7-
43.