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JB/T 3347-1996 English PDF

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JB/T 3347-1996: Negative sequence, zero sequence current increase relay

JB/T 3347: Evolution and historical versions

Standard IDContents [version]USDSTEP2[PDF] delivered inStandard Title (Description)StatusPDF
JB/T 3347-1996English319 Add to Cart 3 days [Need to translate] Negative sequence, zero sequence current increase relay   JB/T 3347-1996
JB 3347-1983EnglishRFQ ASK 3 days [Need to translate] (Negative and zero sequence current increment relay technical conditions) Obsolete JB 3347-1983

PDF similar to JB/T 3347-1996


Standard similar to JB/T 3347-1996

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Basic data

Standard ID JB/T 3347-1996 (JB/T3347-1996)
Description (Translated English) Negative sequence, zero sequence current increase relay
Sector / Industry Mechanical & Machinery Industry Standard (Recommended)
Classification of Chinese Standard K33
Word Count Estimation 9,957
Date of Issue 1996-04-11
Date of Implementation 1996-10-01
Older Standard (superseded by this standard) JB 3347-1983
Summary This standard specifies: negative sequence and zero sequence current incremental relay classification, technical requirements, test methods, inspection rules, marking, packaging, transportation, storage content. This standard applies to: the negative sequence and zero sequence current filtering and incremental output circuit configuration negative sequence and zero sequence current incremental relay. The relay for 500KV and below power system protection devices as fault identification starting components, such as the standard relay design, production and use basis.

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Question 5: Should I purchase the latest version JB/T 3347-1996?

Answer: Yes. Unless special scenarios such as technical constraints or academic study, you should always prioritize to purchase the latest version JB/T 3347-1996 even if the enforcement date is in future. Complying with the latest version means that, by default, it also complies with all the earlier versions, technically.