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dv/dt filter

Created by: mourad76 at: 2/15/2017 4:42 PM (3 Replies)

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2/15/2017 4:42 PM	Rate (0)
mourad76 Bronze Member Joined: 10/23/2014 Last visit: 12/2/2024 Posts: 201 Rating: (0)	dear sirs, is it essential to use dv/dt filter when we use sinamics S120 drives ? if the cable length between drive and motor module about 150 m thank you

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2/16/2017 9:12 AM	Rate (0)
jacek d Platinum Member Joined: 9/23/2005 Last visit: 12/30/2024 Posts: 4829 Rating: (739)	Yes. One thing is to be inline with the EMC directive (if you care). Second - it's much more important - to protect a motor from destroying its insulation.
	Regards, Jacek What is confusing you is the fact that you never see a number but always its digit representation. So you end up thinking that the number is the representation. - Andrej Bauer Any claims against me - based on whatever legal reason - resulting from the use of any code and/or ideas presented on this forum shall be excluded. #StayWithUkraine
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This contribution was helpful to 2 thankful Users zzVss Jeff Casagrande

2/16/2017 11:12 AM	Rate (0)
Technology Team Platinum Expert Joined: 10/11/2006 Last visit: 12/20/2024 Posts: 5974 Rating: (822)	Hello, please see chapter 12.7.2.1 and 10.1. https://support.industry.siemens.com/cs/ww/en/view/109740021 In general: Motor must be able to work with inverter. ( isolation).
	With best regards, Technology Team Application consulting and pre sales support for SINAMICS, SIMATIC Technology, SIMOTION, SIMOTICS and MOTION CONNECT
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2/19/2017 8:26 AM	Rate (0)
mr.reza Posts: 94 Rating: (0)	hello it depends on motor insulation but as we had bad experience of burning some motors with sinamics s120 chassis i recomended with lenght of 150 m it is better to instal dv/dt plus VPL THANKS
mr.reza Posts: 94 Rating: (0)
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