Issue:
Are the ATV630 and ATV930 drives are 6 pulse or 12 pulse type drives?
Product Line:
ATV600 and ATV900 series process drives
Environment:
All models, All serial numbers.
Cause:
Information not available in current literature.
Resolution:
The ATV600 / ATV900 series contain 6 pulse rectifier sections with built-in DC chokes giving about 48% THDi.
ATV660 and ATV960 enclosed drives are also 6 pulse.
ATV680 and ATV980 drives are Active Front End (AFE) drives with low harmonics and the ability to regen excess energy back onto the line power.