DL/T 1122-2009 English PDF

US$419.00 · In stock
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DL/T 1122-2009: Technical guide of insulation coordination selection for overhead transmission line
Status: Valid

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
DL/T 1122-2009	419	Add to Cart	3 days	Technical guide of insulation coordination selection for overhead transmission line	Valid

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Basic data

Standard ID: DL/T 1122-2009 (DL/T1122-2009)
Description (Translated English): Technical guide of insulation coordination selection for overhead transmission line
Sector / Industry: Electricity & Power Industry Standard (Recommended)
Classification of Chinese Standard: F20
Classification of International Standard: 29.240.20
Word Count Estimation: 16,171
Date of Issue: 2009-07-22
Date of Implementation: 2009-12-01
Quoted Standard: GB/T 2900.5; GB/T 2900.8; GB/T 4585; GB/T 16434; DL/T 627; DL/T 859; IEC 61425
Regulation (derived from): Industry standard filing Notice 2009 No. 9 (No. 117 overall)
Issuing agency(ies): National Energy Administration
Summary: This standard specifies the overhead transmission line in a polluted area, lightning zone, ice zone, external insulation bird hazard zone configuration. This standard applies to 110 (66) kV ~ 750kV AC overhead transmission line configuration of the outer insulation, DC overhead transmission lines using external insulation configuration, see. This standard does not include line pole Tata head air gap values ??and choices, does not involve elevation or icing of external insulation configuration levels.

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