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spare for 2000 A dc drive

12/21/2010 11:29 AM	Rate (0)
jeetu77 Posts: 3 Rating: (0)	We use one simoreg dc drive of 600 V DC and 2000 A current output capacity. I want to have a spare of thyristor pack. I came to know a type number 6RY1702-0CA03 for thyristor chain. I want to know how many thyristor will come in this chain. the drive is four quadrant and hence has two bridges and hence total 12 thyristor. pls any body let me know.
jeetu77 Posts: 3 Rating: (0)
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12/21/2010 1:05 PM	Rate (0)
KSN Platinum Expert Joined: 8/25/2006 Last visit: 8/22/2025 Posts: 2218 Rating: (282)	Hello. If I'm not mistaken 6RY1702-0CA03 is the assembly of two thyristor, R-Cand heatsink.

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12/21/2010 1:50 PM	Rate (0)
umencho Diamond Member Joined: 3/21/2006 Last visit: 3/30/2025 Posts: 10239 Rating: (1183)	Hello, Perhaps is useful 6RA70 Series Base Drive Instruction Manual 6RA70 Series Base Drive ... Best regards, Hristo Mihalev

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12/22/2010 9:14 AM	Rate (0)
jeetu77 Posts: 3 Rating: (0)	In that case the cost of purchasing just two thyristors appears to be prohibitively high......I wonder if it is possible to replace SIEMENS thyristors with equivalent thyristor of any other make like SEMIKRON etc.
jeetu77 Posts: 3 Rating: (0)
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