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Can I use two Active Infeed in 12 - pulse?

Created by: konthup at: 3/28/2014 9:45 AM (2 Replies)

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3/28/2014 9:45 AM	Rate (0)
konthup Posts: 4 Rating: (0)	Dear experts, I have some problems with my project. I have one transformer, it has one star winding and one delta winding in secondary to suply power to Infeeds. - Can I use two Active Infeed in 12 - pulse master/slave control and regenerative mode? - Can i use two Acvive Infeeds in 6 - pulse control and regenerative mode?. - Can i use two Smart Infeeds in 12 - pulse master/slave control and regenerative mode?. - Can i use two Smart Infeeds in 6 - pulse control and regenerative mode?. I need more info about BLM and ALM, such as the difference.. Thanks in advance ! Konthup
konthup Posts: 4 Rating: (0)
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3/31/2014 10:10 AM	Rate (0)
Technology Team Platinum Expert Joined: 10/11/2006 Last visit: 2/3/2023 Posts: 5412 Rating: (729)	Hello, a 12- pulse infeed you would not need an ALM because of grid compatibilty. It`s a self commutated infeed and has very low harmonics. But you can use athree-winding transformer for Master/Slave function. see capture 7.9 Master/slave function for Active Infeed http://support.automation.siemens.com/WW/view/de/68042590/0/en Using a three-winding transformer for the master and slave infeeds. In this case, only the neutral point of one winding may be grounded to prevent further electrical coupling viaground. For SLM and BLM you can use a three-winding transformator to get a 12 pulse infeed (with two SLM or two BLM).
	Last edited by: TechTeam at: 3/31/2014 10:11 AM Last edited by: TechTeam at: 3/31/2014 10:11 AM With best regards, Technology Team Application consulting and pre sales support for SINAMICS, SIMATIC Technology, SIMOTION, SIMOTICS and MOTION CONNECT
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4/1/2014 3:34 AM	Rate (0)
konthup Posts: 4 Rating: (0)	Thank you so much! In 12 - pulse mode, can the infeed in regenarative mode ? Best regards, konthup@
konthup Posts: 4 Rating: (0)	Last edited by: konthup at: 4/1/2014 3:34 AM
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