This standard specifies the technical requirements for high-voltage direct current transmission converter valve water cooling equipment. This standard is applicable to water cooling equipment for high-voltage direct current transmission converter valves (hereinafter referred to as cooling equipment). The following normative references are essential for the application of this document. For dated references, only the dated version applies to this document. For undated references, the latest version (including all modification orders) applies to this document. GB/T 3797-2005 Electrical Control Equipment GB/T 3859.1 General Requirements for Semiconductor Converters and Power Grid Commutated Converters Part 1-l: Basic Requirements Specification (GB/T 3859.1-2013, IEC 60146-1:2009, MOD) GB/T 4025 Basic and Safety Rules for Human-Machine Interface Marking and Identification: Coding Rules for Indicators and Operating Devices GB/T 13384 General Technical Conditions for Packaging of Mechanical and Electrical Products GB/T 17799.2 Electromagnetic Compatibility General Standard: Immunity Testing in Industrial Environments (GB/T 17799.2-2003, IEC 61000-6-2; 1999, IDT) GB 17799.4-2012 Electromagnetic Compatibility General Standard Emission in Industrial Environments (IEC 61000-6-4; 2011, IDT) GB/T 22075 Audible Noise of High Voltage DC Converter Stations GB 50050 Design Code for Industrial Circulating Cooling Water Treatment GB 50235 Construction Code for Industrial Metal Pipeline Engineering
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