Differential Protection for GIS

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Anonymous Poster #1	Differential Protection for GIS 08/07/2019 2:53 PM
	Dear sirs, How is the differential protection managed for a gas-insulated substation? Best Regards
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PeterT Guru Join Date: May 2010 Location: Liverpool, NY Posts: 961 Good Answers: 131	#1 Re: Differential Protection for GIS 08/07/2019 3:49 PM
	The same way it is for any other substation. You define your differential zones of protection, and ask the manufacturer to provide instrument transformers in the GIS to feed into the differential relays' inputs. They you define which circuit breakers to trip for the different zones, and program and wire the relays appropriately. __________________ To get the right answers, first you need to ask the right questions.
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