GB/T 26218.4-2019 Active National standards

GB/T 26218.4-2019 Selection and dimensioning of high-voltage insulators intended for use in polluted conditions—Part 4:Insulators for d.c. systems

Publish Date: 2019-12-10 Implement Date: 2020-07-01 For services related to genuine standard inquiry, procurement, translation, and other related services in China, please Contact Us

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Basic Information

Standard Code: GB/T 26218.4-2019

Standard Type: National standards

Standard Status: Active

is_force_gb: no

CCS Name: Insulator

ICS Name: Insulator

Publish Date: 2019-12-10

Implement Date: 2020-07-01

Pages: 33 pages

Scope

This part of GB/T 26218 specifies the principles of selecting and determining the size of high-voltage insulators used in DC systems under contaminated conditions, the materials, the determination of on-site contamination levels, the configuration of external insulation, the requirements for the geometric parameters of insulators, and design verification.

Development Information

Word Count: 64 Thousand words Pages: 33 pages

Referenced Standards

GB/T 19077-2016 Particle size analysis—Laser diffraction methods GB/T 22707-2008 Artificial pollution tests on high-voltage insulators to be used on d.c.systems GB/T 24622-2009 Guidance on the measurement of wettability of insulator surfaces GB/T 26218.1-2010 Selection and dimensioning of high-voltage insulators intended for use in polluted conditions—Part 1:Definitions,information and general principles GB/T 26218.2-2010 Selection and dimensioning of high-voltage insulators intended for use in polluted conditions—Part 2:Ceramic and glass insulators for a.c.systems GB/T 26218.3-2011 Selection and dimensioning of high-voltage insulators intended for use in polluted conditions—Part 3:Composite insulators for a.c.systems GB/T 2900.8-1995 Electrotechnical terminology—Insulator GB/T 2900.8-2009 Electrotechnical terminology—Insulators DL/T 859-2015 Composite Insulator Artificial Pollution Test for High Voltage AC System

Related Standards

GB/T 4585.1-1984 Abolished

GB/T 4585.1-1984 Artificial pollution tests on high-voltage insulators to be used on a.c.systems Salt-fog method

Publish Date: 1984-07-23

GB/T 775.1-1987 Replaced

GB/T 775.1-1987 Test method for insulators—Part 1:General test methods

Publish Date: 1987-01-23

GB/T 775.3-1987 Replaced

GB/T 775.3-1987 Test method for insulators—Part 3:Mechanical test methods

Publish Date: 1987-01-23

GB/T 7253-1987 Replaced

GB/T 7253-1987 The string insulator units of the cap and pin type—Dimensions and characteristics

Publish Date: 1987-02-09

GB 12744-1991 Replaced

GB 12744-1991 Outdoor antipollution-type solid-core post insulators of ceramic material

Publish Date: 1991-03-21

GB/T 4585.2-1991 Abolished

GB/T 4585.2-1991 Artificial pollution tests on high-voltage insulators to be used on a.c.systems solid-layer method

Publish Date: 1991-06-06