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Hi NFPA 850 established fast depressurization system like a mechanical passive system designed to depressurize the transformer a few milliseconds after an occurrence of an electrical fault. Currently there are several systems to avoid transformers explodes like: Sergi, Sentry, CTR, Jiangsu among...

Hi, I need to know if the Electrical Hazards Laboratory or any facility of FM can test an explosion prevention system for a transformer. Specifically a destructive test in order to prove effectiveness of and passive mechanical system according to NFPA 850 recommendations. Thanks for your help...

Does anyone have NFPA Fire Protection Handbook, 20th edition. (PDF), please do share to me on dajar1984@gmail.com dont try, do it!

Hi NFPA 850 established fast depressurization system like a mechanical passive system designed to depressurize the transformer a few milliseconds after an occurrence of an electrical fault. Currently there are several systems in market offering this kind of working but I realized that some of...

Im designing a deluge system for a 230 kV transformer in a electrical power station, at the moment of calculate area of transformer NFPA 15 suggest the following: "The water shall be applied al a net rate not less than 0.25 gpm/ft2 of the proyected area of a rectangular prism envelope for the...