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UV Release of 3WT ACB

Created by: @nkur at: 5/23/2014 7:16 PM (4 Replies)

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5/23/2014 7:16 PM
@nkur Posts: 202 Rating: (16)	Dear All In one of the cane application i need an UV realease for it but the problem is that the crane has 3Ph & 3 wire system and the control trafo(415/110) that is been selected is only for the contol supply of all the outgoings of the ACB is OK if i connect the UV release between the phase & the earth??please suggest i know that it can be connected to the 2Ph 415 supply but still suggest.
@nkur Posts: 202 Rating: (16)
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5/24/2014 6:22 AM
jeet2907 Posts: 235 Rating: (52)	@nkur Dear All In one of the cane application i need an UV realease for it but the problem is that the crane has 3Ph & 3 wire system and the control trafo(415/110) that is been selected is only for the contol supply of all the outgoings of the ACB is OK if i connect the UV release between the phase & the earth??please suggest i know that it can be connected to the 2Ph 415 supply but still suggest. Dear @anku, Yes if neutarl is not available in your systrm then You can use earth as neutral but there is another better option for you and its a 2ph 380-415V suplly is used for UV release.Yes its available in 3WT ACB.Please find the attached sheet for more details Kind regards Attachment 3WT ACB.pdf (912 Downloads)
jeet2907 Posts: 235 Rating: (52)
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5/26/2014 5:44 PM
@nkur Posts: 202 Rating: (16)	jeet2907 @nkur Dear All In one of the cane application i need an UV realease for it but the problem is that the crane has 3Ph & 3 wire system and the control trafo(415/110) that is been selected is only for the contol supply of all the outgoings of the ACB is OK if i connect the UV release between the phase & the earth??please suggest i know that it can be connected to the 2Ph 415 supply but still suggest. Dear @anku, Yes if neutarl is not available in your systrm then You can use earth as neutral but there is another better option for you and its a 2ph 380-415V suplly is used for UV release.Yes its available in 3WT ACB.Please find the attached sheet for more details Kind regards HEY jeet2907 Thanx fo responding but i would like to know as i am selecting a LSING breaker will it have any effect on the earth fault protection or any other protection???
@nkur Posts: 202 Rating: (16)
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5/27/2014 6:40 AM	Rate (0)
PISCEAN 2010 Diamond Member Joined: 4/23/2010 Last visit: 12/31/2023 Posts: 8092 Rating: (878)	@nkur jeet2907 @nkur Dear All In one of the cane application i need an UV realease for it but the problem is that the crane has 3Ph & 3 wire system and the control trafo(415/110) that is been selected is only for the contol supply of all the outgoings of the ACB is OK if i connect the UV release between the phase & the earth??please suggest i know that it can be connected to the 2Ph 415 supply but still suggest. Dear @anku, Yes if neutarl is not available in your systrm then You can use earth as neutral but there is another better option for you and its a 2ph 380-415V suplly is used for UV release.Yes its available in 3WT ACB.Please find the attached sheet for more details Kind regards HEY jeet2907 Thanx fo responding but i would like to know as i am selecting a LSING breaker will it have any effect on the earth fault protection or any other protection??? Hello, It will not have any adverse effect on earth fault. Because earth fault is sensed in power circuit while the UV release coil is connected in phase & earth. So it will not have any adverse effect on earth fault. HTH DEEP.

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5/27/2014 7:28 AM
jeet2907 Posts: 235 Rating: (52)	@nkur jeet2907 @nkur Dear All In one of the cane application i need an UV realease for it but the problem is that the crane has 3Ph & 3 wire system and the control trafo(415/110) that is been selected is only for the contol supply of all the outgoings of the ACB is OK if i connect the UV release between the phase & the earth??please suggest i know that it can be connected to the 2Ph 415 supply but still suggest. Dear @anku, Yes if neutarl is not available in your systrm then You can use earth as neutral but there is another better option for you and its a 2ph 380-415V suplly is used for UV release.Yes its available in 3WT ACB.Please find the attached sheet for more details Kind regards HEY jeet2907 Thanx fo responding but i would like to know as i am selecting a LSING breaker will it have any effect on the earth fault protection or any other protection??? Dear @nkur As per your requrement if u have no neutral then i will recomded to use 380-415V UV release,And for more detilas abt to LSING over erth fault without neutral pls follow this LINK. hope this will helpfull to you
jeet2907 Posts: 235 Rating: (52)
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