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Instantenious earth fault relay

Created by: PISCEAN 2010 at: 5/18/2012 1:29 PM (6 Replies)

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5/18/2012 1:29 PM	Rate (0)
PISCEAN 2010 Diamond Member Joined: 4/23/2010 Last visit: 12/31/2023 Posts: 8092 Rating: (877)	Hello Experts, Does any one know whether Siemens manufacturers instantenious earth fault relay with external stabilising resistors used for transformer or generator protection? If yes, please provide the product MLFB number. Thanks in advance. DEEP.

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5/31/2012 9:46 PM	Rate (0)
Mr_Al Advanced Member Joined: 12/29/2011 Last visit: 8/9/2023 Posts: 39 Rating: (9)	Perhaps this link will help you. It looks like a good place to start looking. http://www.energy.siemens.com/fi/en/automation/power-transmission-distribution/protection/ As for a suitable MLFB number I couldn't advise on that. Best Regards Mr_Al

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7/9/2013 8:55 AM	Rate (0)
PISCEAN 2010 Diamond Member Joined: 4/23/2010 Last visit: 12/31/2023 Posts: 8092 Rating: (877)	Hello, I visited above link but could not found out earth fault module. Does any one has idea about earth fault module manufactured by Siemens?

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7/9/2013 9:12 AM	Rate (0)
Vithani Platinum Member Joined: 7/8/2009 Last visit: 8/5/2024 Posts: 1976 Rating: (477)	May be this is what you are looking for http://www.energy.siemens.com/us/en/automation/power-transmission-distribution/protection/siprotec/multifunction-generator-motor-and-transformer-protection-relay.htm Regards, Devesh Vithani
	I dont Like people driving Fast, thats the reason I overtake them ;)
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7/9/2013 10:22 AM	Rate (0)
PISCEAN 2010 Diamond Member Joined: 4/23/2010 Last visit: 12/31/2023 Posts: 8092 Rating: (877)	Hello, Thanks for your reply. The attached relay is multifunctional relay mostly suitable for generator application. Iam looking for *dedicatedinstantenious*** earth fault relay.
	Last edited by: PISCEAN 2010 at: 7/9/2013 10:42 AM Gramatical error corrected
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7/9/2013 3:07 PM	Rate (0)
Mike J Platinum Expert Joined: 10/9/2007 Last visit: 9/5/2024 Posts: 1249 Rating: (115)	Hi I'm not sure you will find today a device which does only one single protection fuction.Maybe for someespecific protection fuctions. From the Siprotec line you could use the 7SJ46, which is a compact device programmed by DIP switches and only has overcurrent protection http://www.energy.siemens.com/ecc_pool/SIPROTEC4/860467a1-e231-4b11-b202-781fae87119e/7SJ46_Catalog_SIP_E6.pdf Or 7SJ600, which is a compact device with not so many protection functions, but more than 7SJ45 and configurable via Digsi: http://www.energy.siemens.com/hq/en/automation/power-transmission-distribution/protection/siprotec/?dlsearch=1&fiProductFamily=SIPROTEC 4&fiProductName=7SJ600 This device is used for small motor, feeder protection andas backup protection, like earth fault protection on trafos. Mike
	Energy Automation products: Sicam, Siprotec, Digsi
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7/10/2013 1:51 PM	Rate (0)
jeet2907 Posts: 235 Rating: (52)	PISCEAN 2010 Hello Experts, Does any one know whether Siemens manufacturers instantenious earth fault relay with external stabilising resistors used for transformer or generator protection? If yes, please provide the product MLFB number. Thanks in advance. DEEP. It should be helpfull for you Please follow the bellow the link. http://www.energy.siemens.com/hq/pool/hq/energy-topics/publications/ea-newsletter/2011/12/Relay_Selection_Guide_A1_en.pdf
jeet2907 Posts: 235 Rating: (52)
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