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Can outputs of MM440 drives be shorted directly?

Created by: Madan at: 1/9/2007 12:56 PM (1 Replies)

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1/9/2007 12:56 PM	Rate (0)
Madan Posts: 2 Rating: (0)	Dear Sirs, I am having 2 nos of 110kW MM440 drives, where my customer asks for 12 pulse configuration. In this case can i use a 3 winding transformer to feed the 2 VFDs and the VFD outputbe shorted directly at its output. This is somewhat similar to parallelism which companies like ABB, SSD & WEG do for capacity addition and also for multipulse operation? Is there any limitation in Siemens drives? Regards, Madhan.M
Madan Posts: 2 Rating: (0)
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5/10/2007 5:04 PM	Rate (0)
mmf80 Advanced Member Joined: 5/4/2007 Last visit: 10/15/2007 Posts: 51 Rating: (1)	Outputs of MM440 drives can not be shorted directly.

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