Standard No.:	NB/T 31042-2012
English Name:	Converter of Offshore Permanent Magnet Wind Turbine Generator
Chinese Name:	海上永磁风力发电机变流器
Professional Classification:	NB    Professional Standard - Energy
Issued by:	NEA
Issued on:	2012-10-29
Implemented on:	2013-3-1
Status:	superseded
Superseded by:	NB/T 31042-2019 Technical Specification for converter of offshore permanent magnet wind turbine generator
Superseded on:	2019-10-1
Language:	English
File Format:	PDF
Word Count:	8000 words
Price(USD):	160.0
Delivery:	via email in 1 business day

1 Scope This standard specifies terms and definitions, technical requirements, test methods, test rules and information on product for converter of offshore permanent magnet wind turbine generator (hereinafter referred to as "converter"). This Standard applies to the voltage source converter which is installed in offshore wind farm and connected to the stator winding of permanent magnet wind turbine generator. 2 Normative References The following referenced documents are indispensable for the application of this document. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies. GB/T 191-2008 Packaging - Pictorial Marking for Handling of Goods (ISO 780:1997, MOD) GB/T 2423.1-2008 Environmental Testing – Part 2: Test Methods – Test A: Cold (IEC 60068-2-1:2007, IDT) GB/T 2423.2-2008 Environmental Testing - Part 2: Test Methods - Test B: Dry Heat (IEC 60068-2-2:2007, IDT) GB/T 2423.4-2008 Environmental Testing for Electric and Electronic Products - Part 2: Test Method - Test Db: Damp Heat, Cyclic (12h+12h Cycle) (IEC 60068-2-30:2005, IDT) GB/T 2423.16-2008 Environmental Testing - Part 2: Test Methods - Test J and Guidance: Mold Growth (IEC 60068-2-10:2005, IDT) GB/T 2423.18-2000 Environmental Testing for Electric and Electronic Products – Part 2: Tests – Test Kb: Salt Mist, Cyclic (Sodium Chloride Solution) (IEC 60068-2-52:1996, IDT) GB/T 2900.33-2004 Electrotechnical Terminology - Power Electronics (IEC 60050-55:1998, IDT) GB/T 2900.53-2001 Electrotechnical Terminology - Wind Turbine Generator Systems (IEC 60050-415:1999, IDT) GB/T 3783-2008 General Specification for Low-voltage Apparatus in Ships GB/T 3797-2005 Electrical Control Assemblies GB/T 3859.1-1993 Semiconductor Convertors - Specification of Basic Requirements (IEC 60146-1-1:1991, EQV) GB 3906-2006 Alternating-current Metal-enclosed Switchgear and Controlgear for Rated Voltages above 3.6 kV and up to and Including 40.5 kV (IEC 62271-200:2003, MOD) GB 4208-2008 Degrees of Protection Provided by Enclosure (IP Code) (IEC 60529:2001, IDT) GB/T 5169.5-2008 Fire Hazard Testing for Electric and Electronic Products - Part 5: Test Flames-Needle Test Method - Apparatus Confirmatory Arrangement and Guidance (IEC 60695-11-5:2004, IDT) GB/T 5169.11-2006 Fire Hazard Testing for Electric and Electronic Products - Part 11: Glowing/Hot-Wire Based Test Methods - Glow-Wire Flammability Test Method for End-products (IEC 60695-2-11:2000, IDT) GB/T 5169.21-2006 Fire Hazard Testing for Electric and Electronic Products - Part 21: Abnormal Heat-Ball Pressure Test (IEC60695-10-2:2003, IDT) GB/T 5226.1-2008 Electrical Safety of Machinery - Electrical Equipment of Machines - Part 1: General Requirements (IEC 60204-1:2005, IDT) GB/T 7094-2002 Vibration (Sinusoidal) Test Method for Electrical Installations in Ships GB 7251.1-2005 Low-voltage Switchgear and Controlgear Assemblies - Part 1: Type-tested and Partially Type-tested Assemblies GB/T 12668.2-2002 Adjustable Speed Electrical Power Drive Systems - Part 2: General Requirements - Rating Specifications for Low Voltage Adjustable Frequency A.C. Power Drive Systems (IEC 61800-2:1998, IDT) GB/T 12668.3-2003 Adjustable Speed Electrical Power Dive Systems - Part 3: EMC Product Standard Including Specific Test Methods (IEC 61800-2:1996, IDT) GB/T 13384-2008 General Specifications for Packing of Mechanical and Electrical Product GB/T 13422-1992 Power Semiconductor Converters - Electrical Test Methods GB 14048.1-2006 Low-voltage Switchgear and Controlgear - Part 1: General Rules (IEC 60947-1:2001, MOD) GB 18802.1-2011 Low-voltage Surge Protective Devices - Part 1: Surge Protective Devices Connected to Low-voltage Power Distribution Systems - Requirements and Tests (IEC 61643-1:2005, MOD) GB/T 19963-2011 Technical Rule for Connecting Wind Farm to Power System GB/T 20320-2006 Measurement and Assessment of Power Quality Characteristics of Wind Turbine Generator Systems (IEC 61400-21:2001, IDT) GB/T 21714.1-2008 Protection against Lightning - Part 1: General Principles (IEC 62305-1:2005, IDT) GB/T 21714.4-2008 Protection against Lightning - Part 4: Electrical and Electronic Systems within Structures (IEC 62305-4:2006, IDT) GB/T 25389.1-2010 Wind Turbine Low-speed Permanent Magnet Synchronous Generator - Part 1: Technical Conditions NB/T 31015-2011 Technical Specification for Manufacturing of Converter for Permanent Magnet Wind Turbine Generator 3 Terms and Definitions For the purposes of this document, the following terms and definitions as well as those specified in GB/T 3859.1-1993, GB/T 2900.33-2004, GB/T 2900.53-2001, GB 18802.1-2011, GB/T 19963-2011 and NB/T 31015-2011 apply. 3.1 Converter control unit (CCU) Mainly composed of core processor, coprocessor, input/output interface, communication interface, etc. it is an important component that controls the converter to fulfill various functions and related external equipment to perform data interaction.

Foreword i 1 Scope 2 Normative References 3 Terms and Definitions 4 Technical Requirements 5 Test Method 6 Test 7 Marking, Packaging, Storage and Transportation