Standard No.:	NB/T 31044-2012
English Name:	Technical Specification for Permanent Magnet Wind Turbine Generator-converter Set
Chinese Name:	永磁风力发电机-变流器组技术规范
Professional Classification:	NB    Professional Standard - Energy
Source Content Issued by:	National Energy Administration
Issued on:	2012-10-29
Implemented on:	2013-3-1
Status:	superseded
Superseded by:	NB/T 31044-2023 Technical specification for permanent magnet wind turbine generator - converter Set
Superseded on:	2023-11-26
Target Language:	English
File Format:	PDF
Word Count:	12000 words
Translation Price(USD):	240.0
Delivery:	via email in 1 business day

1 Scope This standard specifies relevant terminologies and definitions, technical requirements and test methods of permanent magnet wind turbine generator (hereinafter referred to as generator)-converter set. This standard is applicable to permanent magnet wind turbine generator-converter set (hereinafter referred to as GCS). The special requirements, if any, may be agreed upon between user and manufacturer. 2 Normative References The following documents are indispensable for the application of this standard. For dated references, only the dated edition is applicable to this document. For undated references, the latest editions of the normative documents (including all the amendments) are applicable to this document. GB 755-2008 Rotating Electrical Machines-Rating and Performance (IEC 60034-1: 2004, IDT) GB 4208-2008 Degrees of Protection Provided by Enclosure (IP Code) (IEC 60529: 2001, IDT) GB 10068-2000 Mechanical Vibration of Certain Machines with Shaft Heights 56 mm and Higher-measurement Evaluation and Limits of Vibration Severity (IEC 60034-14: 2007, IDT) GB 18451.1-2001 Wind Turbine Generator Systems - Safety Requirements GB/T 191-2008 Packaging-Pictorial Marking for Handling of Goods (ISO 780: 1997, MOD) GB/T 1029-2005 Test Procedures for Three-phase Synchronous Machines GB/T 2423.1-2008 Environmental Testing for Electric and Electronic Products - Part 2: Test methods - Tests A: Cold(IEC 60068-2-1: 2007, IDT) GB/T 2423.2-2008 Environmental Testing for Electric and Electronic Products - Part 2: Test Methods - Tests B: Dry Heat(IEC 60068-2-2: 2007, IDT) GB/T 2900.25-2008 Electrotechnical Terminology - Rotating Electrical Machines (IEC 60050-411: 1996, IDT) GB/T 2900.33-2004 Electrotoechnical Terminology - Power Electronics (IEC 60050-551: 1998, IDT) GB/T 2900.53-2001 Electrotechnical Terminology - Wind Turbine Generator Systems (IEC 60050-415: 1999, IDT) GB/T 3859.1-1993 Semiconductor Convertors-Specification of Basic Requirements(IEC 60146-1-1: 1991, IDT) GB/T 4942.1-2006 Degrees of protection Provided by the Integral Design of Rotating Electrical Machines (IP Code) - Classification(IEC 60034-5: 2000, IDT) GB/T 12668.3-2003 Adjustable Speed Electrical Power Dive Systems - Part 3: EMC Product Standard including Specific Test Methods (IEC 61800-3: 1996, IDT) GB/T 13422-1992 Power Semiconductor Converters-Electrical Test Methods GB/T 14549-1993 Quality of Electric Energy Supply-Harmonics in Public Supply Network GB/T 15543 Power Quality-Three-phase Voltage Unbalance GB/T 20160-2006 Recommended Practice for Testing Insulation Resistance of Rotating Machinery (IEEE Std 43: 2000, IDT) GB/T 20320-2006 Measurement and Assessment of Power Quality Characteristics of Wind Turbine Generator Systems GB/T 20626 (All Parts) Special Environmental Condition - Electric and Electronic Products for Plateau GB/T 20641-2006 Empty Enclosures for Low-voltage Switchgear and Controlgear Assemblies- General Requirements (IEC 62208: 2002, IDT) GB/T 25387.1-2010 Full-power Converter of Wind Turbine Generator Systems-Part 1: Technical Condition GB/T 25389.2-2010 Wind Turbine Low-speed Permanent Magnet Synchronous Generator-Part 2: Testing Methods JB/T 5777.2-2002 General Specification for Control and Protection Panel (Cabinet, Desk)of Secondary Circuit of Power System JB/T 7836.1 Electric Heater for Electrical Machine - Part 1: General Technique Specifications JB/T 10500.1-2005 Embedded Thermometer Resistance for Electrical Machines - Part1: General Specification, Measuring Methods and Examine Rule NB/T 31012-2011 Manufacture and Technical Specification for Permanent Magnet Wind Turbine Generator NB/T 31015-2011 Manufacture and Technical Specification for Converter of Permanent Magnet Wind Turbine Generator 3 Terminologies and Definitions For the purposes of this document, the terminologies and definitions stated in GB/T 2900.25-2008, GB/T 2900.33-2004, GB/T 2900.53-2001, GB/T 3859.1-1993, NB/T 31012-2011 and NB/T 31015-2011 and the following ones apply.

Foreword i 1 Scope 2 Normative References 3 Terminologies and Definitions 4 Technical Requirements 4.1 Model, Type and Basic Requirements 4.2 Use Conditions 4.3 Product Performance Requirements 5 Test Methods 5.1 Test Requirements 5.2 Functional Test 6 Test Inspection Items and Acceptance Rules 6.1 Test Inspection Items 6.2 Mechanical Inspection Test Content 6.3 Type Test 6.4 On-site Handover Test and Inspection Items 6.5 Judgment Rules 7 Marking, Packaging, Transportation and Storage 7.1 Marking 7.2 Wiring Mark 7.3 Transportation and Storage 7.4 Accompanying Documents 7.5 Quality Guarantee Period References