Standards

GB/T 22390.1-2008 Active

GB/T 22390.1-2008 Control and protection equipment of high-voltage direct current(HVDC)transmission system—Part 1:Operator control system

This part of GB/T 22390 specifies the technical requirements, test methods, inspection rules, packaging, transportation, storage, marking, labeling, user manuals, completeness of supply, and quality assurance for the operator control systems of ±500 kV high-voltage direct current transmission systems. This part is applicable to the operator control systems of ±500 kV high-voltage direct current transmission systems (hereinafter referred to as the system).

Publish Date: 2008-09-24

GB/T 22390.2-2008 Active

GB/T 22390.2-2008 Control and protection equipment of high-voltage direct current (HVDC)transmission system—Part 2:AC and DC station control equipment

This part of GB/T 22390 specifies the technical requirements, test methods, inspection rules, packaging, transportation, storage, marking, labeling, user manuals, completeness of supply, and quality assurance for station control equipment in ±500 kV high-voltage direct current transmission systems. This part is applicable to station control equipment in ±500 kV high-voltage direct current transmission systems (hereinafter referred to as "equipment").

Publish Date: 2008-09-24

GB/T 22390.3-2008 Active

GB/T 22390.3-2008 Control and protection equipment of high-voltage direct current (HVDC) transmission system—Part 3:DC pole control equipment

This part of GB/T 22390 specifies the technical requirements, test methods, inspection rules, packaging, transportation, storage, marking, labeling, user manuals, completeness of supply, and quality assurance for the DC system pole control equipment of ±500 kV high-voltage direct current transmission systems. This part is applicable to the DC system pole control equipment (hereinafter referred to as the equipment) of ±500 kV high-voltage direct current transmission systems.

Publish Date: 2008-09-24

GB/T 22390.4-2008 Active

GB/T 22390.4-2008 Control and protection equipment of high-voltage direct current (HVDC) transmission system—Part 4:DC protection equipment

This part of GB/T 22390 specifies the technical requirements, test methods, inspection rules, packaging, transportation, storage, marking, labeling, user manuals, completeness of supply, and quality assurance of DC system protection equipment for ±500 kV high-voltage direct-current transmission systems. This part applies to DC system protection equipment (hereinafter referred to as the equipment) for ±500 kV high-voltage direct-current transmission systems.

Publish Date: 2008-09-24

GB/T 22390.5-2008 Active

GB/T 22390.5-2008 Control and protection equipment of high-voltage direct current (HVDC) transmission system—Part 5:DC line fault location

This part of GB/T 22390 specifies the technical requirements, test methods, inspection rules, packaging, transportation, storage, marking, labeling, user manuals, completeness of supply, and quality assurance for DC line fault location devices in ±500 kV high-voltage direct current transmission systems. This part is applicable to DC line fault location devices (hereinafter referred to as the device) in ±500 kV high-voltage direct current transmission systems.

Publish Date: 2008-09-24

GB/T 22390.6-2008 Active

GB/T 22390.6-2008 Control and protection equipment of high-voltage direct current (HVDC) transmission system—Part 6:Substation transient fault oscillograph device

This part of GB/T 22390 specifies the technical requirements, test methods, inspection rules, packaging, transportation, storage, marking, labeling, user manuals, completeness of supply, and quality assurance for transient fault recording devices in converter stations of ±500 kV high-voltage direct current transmission systems. This part applies to transient fault recording devices in converter stations of ±500 kV high-voltage direct current transmission systems (hereinafter referred to as the device).

Publish Date: 2008-09-24

GB/T 22392-2008 Active

GB/T 22392-2008 Photography—Processing chemicals—Specifications for hydroquinone

This standard specifies the purity requirements for photographic-grade hydroquinone and the test methods for determining its purity.

Publish Date: 2008-09-24

GB/T 22396-2008 Active

GB/T 22396-2008 Terminology relating to pressure sensitive adhesive products

This standard specifies the terms and definitions used in the field of pressure-sensitive adhesives and pressure-sensitive adhesive products. This standard can be used by relevant departments in domestic and international technical business exchanges. When formulating or revising standards, or preparing technical documents and publications, if relevant terms are used, they shall be implemented in accordance with the provisions of this standard.

Publish Date: 2008-09-24

GB/T 22397-2008 Active

GB/T 22397-2008 Photography—Processing chemicals—Specifications for ammonium thiocyanate

This standard specifies the purity requirements for photographic-grade ammonium thiocyanate and the test methods for verifying its purity.

Publish Date: 2008-09-24

GB/T 22398-2008 Active

GB/T 22398-2008 Photography—Processing chemicals—Specifications for potassium hydroxide

This standard specifies the purity requirements and test methods for photographic-grade potassium hydroxide (hazardousness: "C") 1, as well as the testing methods for its purity.

Publish Date: 2008-09-24

GB/T 22399-2008 Active

GB/T 22399-2008 Photography—Processing chemicals—Specifications for sodium hydroxide

This standard specifies the purity requirements and test methods for photographic-grade potassium hydroxide (hazardousness: "C").

Publish Date: 2008-09-24

GB/T 2314-2008 Active

GB/T 2314-2008 General technical requirements for electric power fittings

This standard specifies the general technical requirements for power fittings (hereinafter referred to as fittings) used in overhead power lines, substations, and power plant distribution devices in terms of design, manufacturing, and installation and use.
This standard applies to fittings used in overhead power lines, substations, and power plant distribution devices with a rated voltage of more than 35 kV. For fittings used in environments with severe corrosion, pollution, high altitude, and high-cold regions, they shall also meet the relevant provisions of other related standards.

Publish Date: 2008-09-24