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Sinamic Inverter 6SL3224-0BE35-5AA0 kW rating issue

Created by: ENGR NAZIM GHAFFAR at: 9/25/2013 7:01 AM (4 Replies)

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9/25/2013 7:01 AM	Rate (0)
ENGR NAZIM GHAFFAR Posts: 19 Rating: (0)	Good Morning Dear All, I have demanded a new SINAMICS inverter for 75kW motor(400V, 50Hz)and i have recieved a quotation and the quoted order number is 6SL3224-0BE35-5AA0. Now the problem that i am facingaboutthis order number is as 1.Is itfor 75kW rating or 55kW rating? because on the power unit it is written 55/75kW i.e looking quite confusing, so please make some clarity is it 55kW or 75kW and can i use it on 75kW motor. I have attached Sinamics PM name plate pic as well. Motor Name plate is as follows on which i have to use this inverter.. 3~ Mot. ILA6-280 -4AA60-Z 280SNr.N200750/1995 IMB3 Th CL .F75KW 132A cosÆ 0.86 1480RPMRotor SQ CAGE KL 16 DIN VDE 0530 IEC 34-3 1983380-420V D 138/128A669/725V Y 80/74A S.F 11 Attachment Power Module.jpg (42 Downloads)
ENGR NAZIM GHAFFAR Posts: 19 Rating: (0)	Last edited by: O_Moderator at: 9/25/2013 7:40 AM attachment reattached
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9/25/2013 9:55 AM	Rate (0)
robkey Advanced Member Joined: 10/6/2011 Last visit: 5/17/2023 Posts: 42 Rating: (3)	Hello, the rating is to do with the system overload requirements. For pump and fan applications the overload requirements are typically less than standard industrial applications, so the inverter can be rated higher. If your application requires fast ramps or frequent overloads then the drive should be rated at 55kW.

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9/26/2013 2:38 PM	Rate (0)
ENGR NAZIM GHAFFAR Posts: 19 Rating: (0)	Thanks Rob for your valuable information... The application where i have to use this inverter is an Quench Air fan and this inverter will operate on upto 43Hz frequency or max 87% of the rating and has not fast ramps. So, what you suggest is this inverter sufficient for use with 75kW motor...?
ENGR NAZIM GHAFFAR Posts: 19 Rating: (0)	Last edited by: ENGR NAZIM GHAFFAR at: 9/26/2013 2:39 PM
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9/26/2013 5:17 PM	Rate (0)
robkey Advanced Member Joined: 10/6/2011 Last visit: 5/17/2023 Posts: 42 Rating: (3)	pumps and fans are typically low-overload applications so this would suggest the drive size is correct

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9/26/2013 7:07 PM	Rate (0)
ENGR NAZIM GHAFFAR Posts: 19 Rating: (0)	Thank you very much for guiding me on this issue...
ENGR NAZIM GHAFFAR Posts: 19 Rating: (0)
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