This standard specifies technical requirements, test methods, inspection rules, marking, label, operation instruction as well as packaging, transportation and storage of pitch system of grid-connected wind turbine generator system.
This standard is applicable to pitch system used for grid-connected horizontal axis (three-blade wind rotor) wind turbine generator system; pitch shall be of hydraulically-driven mode or electrically-driven mode.
2 Normative References
The following documents for the application of this document are essential. Any dated reference, just dated edition applies to this document. For undated references, the latest edition (including any amendments) applies to this document.
GB/T 191 Packaging - Pictorial Marking for Handling of Goods
GB/T 1029 Test Procedures for Three-phase Synchronous Machines
GB/T 1032 Test Procedures for Three-phase Induction Motors
GB/T 1311 Test Procedure for Direct Current Machines
GB/T 2422 Environmental Testing - Guide to Drafting of Test Methods - Terms and Definitions
GB/T 2423.1-2008 Environmental Testing - Part 2: Test Methods - Tests A: Cold
GB/T 2423.2-2008 Environmental Testing - Part 2: Test Methods - Tests B: Dry Heat
GB/T 2423.3-2006 Environmental Testing for Electric and Electronic Products - Part 2: Testing Method Test Cab: Damp Heat Steady State
GB/T 2423.4-2008 Environmental Testing for Electric and Electronic Products - Part 2: Test Method - Test Db: Damp Heat, Cyclic (12h+12h Cycle)
GB/T 2900.1 Electrotechnical Terminology - Fundamental Terms
GB/T 2900.53 Electrotechnical Terminology - Wind Turbine Generator Systems
GB/T 3222.2 Acoustics - Description Measurement and Assessment of Environmental Noise - Part 2: Determination of Environmental Noise Levels
GB/T 3766 Hydraulic Fluid Power - General Rules Relating to Systems
GB/T 3797-2005 Electrical Control Assemblies
GB 4208 Degrees of Protection Provided by Enclosure (IP Code)
GB/T 4365 Electrotechnical Terminology - Electromagnetic Compatibility
GB 5226.1 Electrical Safety of Machinery - Electrical Equipment of Machines - Part 1: General requirements
GB/T 6388 Transport Package Shipping Mark
GB/T 7935 Hydraulic Fluid Power - General Requirements for Hydraulic Components
GB/T 9969 General Principles for Preparation of Instructions for Use of Industrial Products
GB/T 11287-2000 Electrical Relays - Part 21: Vibration, Shock, Bump and Seismic Tests on Measuring Relays and Protection Equipment - Section One: Vibration Tests (Sinusoidal)
GB/T 12113 Methods of Measurement of Touch Current and Protective Conductor Current
GB/T 13729-2002 Remote Terminal Unit Equipment
GB/T 14039 Hydraulic Fluid Power C Fluids - Method for Coding the Level of Contamination by Solid Particles
GB/T 14537-1993 Shock and Bump Tests on Measuring Relays and Protection Equipment
GB/T 14598.9-2010 Measuring Relays and Protection Equipment - Part 22-3: Electrical Disturbance Tests - Radiated Electromagnetic Field Immunity
GB/T 14598.10-2012 Measuring Relays and Protection Equipment - Part 22-4: Electrical Disturbance Tests - Electrical Fast Transient/Burst Immunity Test
GB/T 14598.13-2008 Electrical Relays - Part 22-1: Electrical Disturbance Tests for Measuring Relays and Protection Equipment - 1 MHz Burst Immunity Tests
GB/T 14598.14-2010 Measuring Relays and Protection Equipment - Part 22-2: Electrical Disturbance Tests - Electrostatic Discharge Tests
GB/T 14598.20-2007 Electrical Relays - Part 26: Electrical Compatibility Requirements for Measuring Relays and Protection Equipment
GB 14598.27-2008 Measuring Relays and Protection Equipment - Part 27: Product Safety Requirements
GB/T 15543-2008 Power Quality - Three-phase Voltage Unbalance
GB/T 16935.1-2008 Insulation Coordination for Equipment within Low-voltage Systems - Part 1: Principles Requirements and Tests
GB/T 18451.1-2012 Wind Turbine Generator Systems - Design Requirements
GB/T 19292.1 Corrosion of Metals and Alloys - Corrosively of Atmospheres - Classification
GB/T 19608.1 Classification of Special Environmental Condition - Part 1: Dry Heat
GB/T 19608.2 Classification of Special Environmental Condition - Part 2: Dry Heat-desert
GB/T 19608.3 Classification of Special Environmental Condition - Part 3: Plateau
GB/T 19963 Technical Rule for Connecting Wind Farm to Power System
GB/T 20641 Empty Enclosures for Low-voltage Switchgear and Controlgear Assemblies - General Requirements
NB/T 31003 Design Regulations for Large-scale Wind Power Connecting to the System
JB/T 5777.2-2002 General Specification for Control and Protection Panel (Cabinet and Desk) of Secondary Circuit of Power System
JB/T 5777.3-2002 Basic Testing Method for Control and Protection Panel (Cabinet and Desk) of Secondary Circuit of Power System
JB/T 10427 General Hydraulic System of Wind Turbine Generator Systems
ISO 12944-5: 2007 Paints and Varnishes - Corrosion Protection of Steel Structures by Protective Paint Systems - Part 5: Protective Paint Systems
NAS 1638 Cleanliness Requirements of Parts User in Hydraulic Systems
3 Terminologies and Definitions
For the purposes of this document, terminologies and definitions defined in GB/T 2422, GB/T 2900.1, GB/T 2900.53 and GB/T 4365 as well as the following ones apply.
3.1
Pitch system
Device controlling and adjusting blade pitch angle of wind turbine generator system. It mainly includes pitch control device, pitch drive equipment, backup power supply, pitch actuating equipment, pitch lubricating device and pitch detection device.
3.1.1
Electric pitch system
GB/T 32077-2015 The following standards are cited：
