TB/T 1849-1987 English PDF

US$279.00 · In stock
Delivery: <= 3 days. True-PDF full-copy in English will be manually translated and delivered via email.
TB/T 1849-1987: Insulation Clearance for Contact Network in Tunnel
Status: Obsolete

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
TB/T 1849-1987	279	Add to Cart	3 days	Insulation Clearance for Contact Network in Tunnel	Obsolete

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Basic data

Standard ID: TB/T 1849-1987 (TB/T1849-1987)
Description (Translated English): Insulation Clearance for Contact Network in Tunnel
Sector / Industry: Railway & Train Industry Standard (Recommended)
Classification of Chinese Standard: S32
Word Count Estimation: 3,35
Date of Issue: 1/16/1988
Date of Implementation: 7/1/1988
Regulation (derived from): According to the TB directory and review results, revise, still in use, the conditions are ripe for revision catenary insulation gap
Summary: This standard applies to single-phase power frequency electric railway tunnel in the 25kV catenary insulating gap, altitude not exceeding 1000m, the general environment. In extremely wet and heavy pollution (eg offshore, a busy section of the steam locomotive, serious industrial pollution, leaking hanging ice) and other harsh environments, while the use of this standard shall not be lower than normal static gap.

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