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NB/T 31018-2011: Wind turbine generator system technical specification of electric pitch system
NB/T 31018-2011
NB
ENERGY INDUSTRY STANDARD
OF THE PEOPLE’S REPUBLIC OF CHINA
ICS 29.120.01
K 45
Registration number. 33817-2011
Wind turbine generator system technical
specification of electric pitch system
ISSUED ON. AUGUST 06, 2011
IMPLEMENTED ON. NOVEMBER 01, 2011
Issued by. National Energy Administration
Table of contents
Foreword ... 3
1 Scope ... 4
2 Normative references ... 4
3 Terms and definitions ... 6
4 Technical requirements ... 9
4.1 Conditions of Use ... 9
4.2 Functional requirements ... 11
4.3 Performance requirements ... 19
5 Test method ... 23
5.1 Test platform ... 23
5.2 Test instruments ... 23
5.3 Inspection and testing ... 24
6 Inspection rules ... 29
6.1 Product inspection is divided into two types ... 29
6.2 Exit-factory inspection ... 29
6.3 Type inspection ... 29
7 Marking, label, and instruction manual ... 31
7.1 Marking and label ... 31
7.2 Instruction manual ... 31
8 Packaging, transportation, and storage ... 32
8.1 Packaging ... 32
8.2 Transport ... 32
8.3 Storage ... 33
Appendix A (Informative) Calculation of capacitor charge and discharge time
... 34
Foreword
This standard is applicable to the electric pitch system of grid-connected wind
turbines on the ground, as the basis for the design, manufacture, testing and
certification.
This standard was drafted in accordance with the rules given in GB/T
1.1-2009.
This standard was proposed by China Electrical Equipment Industry
Association.
This standard shall be under the jurisdiction of the Energy Industry
Standardization Working Committee on Wind Power (NEA/TC 1).
The main drafting organizations of this standard. China Electric Power
Equipment and Technology C., Ltd., XUJI Group Corporation, Shanghai
Electric Group Co., Ltd. Power Transmission and Distribution Branch, Huarui
Wind Power Technology (Group) Co., Ltd., Zhejiang Zhongke Automation
Engineering Technology Co., Ltd., Guangdong Mingyang Wind Power
Technology Co., Ltd., Beijing Jingcheng New Energy Co., Ltd., Shanghai
Institute of Electrical Science, Huaxin Technology Inspection Co., Ltd., China
General Certification, Machinery Industry Beijing Institute of Electric and
Economic Technology.
The main drafters of this standard. Tao Xuejun, Chen Guodong, Yang Zhiming,
Li Lei, Shen Weidong, Zhao Mingli, Huang Jianfeng, Sun Jie, Zhang Yang,
Gong Jianghong, Chen Xuesong, Guo Yan.
Wind turbine generator system technical
specification of electric pitch system
1 Scope
This standard specifies the technical requirements, test methods, inspection
rules, marking, labels, instruction manuals, packaging, transportation and
storage of electric pitch systems for grid-connected wind turbines on the
ground.
This standard is applicable to the electric pitch system of grid-connected wind
turbines on the ground, as the basis for the design, manufacture, testing and
certification.
2 Normative references
The provisions in following documents become the provisions of this Standard
through reference in this Standard. For the dated references, the subsequent
amendments (excluding corrections) or revisions do not apply to this Standard;
however, parties who reach an agreement based on this Standard are
encouraged to study if the latest versions of these documents are applicable.
For undated references, the latest edition of the referenced document applies.
GB/T 191 Packaging – Pictorial marking for handling of goods
GB 755-2008 Rotating electrical machines – Rating and performance
GB/T 2422 Environmental testing for electric and electronic products –
Terms and definitions (GB/T 2422-1995, neq IEC 60068-5-2.1990)
GB/T 2423.1-2008 Environmental testing for electric and electronic products
– Part 2. Test methods – Test A. Cold (idt IEC 60068-2-1.2007)
GB/T 2423.2-2008 Environmental testing for electric and electronic products
– Part 2. Test methods – Test B. Dry heat (idt IEC 60068-2-2.2007)
GB/T 2423.3-2006 Environmental testing for electric and electronic products
– Part 2. Test methods – Test Cab. Damp heat steady state (IEC
60068-2-78.2001, IDT)
GB/T 2423.4-2008 Environmental testing for electric and electronic products
– Part 2. Test methods – Test Db. Damp heat, cyclic (12h+12h cycle) (eqv
IEC 60068-2-30.1980)
GB/T 2887-2000 Specification for electronic computer field
GB/T 2900.1 Electrotechnical terminology – Fundamental terms
GB/T 2900.53 Electrotechnical terminology – Wind turbine generator
system
GB/T 3797-2005 Electrical control assemblies
GB/T 3859.1-1993 Semiconductor convertors – Specification of basic
requirements
GB 4208 Degree of protection provided by enclosure (IP code) (eqv IEC
60529)
GB/T 4365 Electrotechnical terminology – Electromagnetic compatibility
GB 5226.1 Safety of machinery – Electrical equipment of machines – Part 1.
General requirements
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) (IEC 60255-5.2000, IDT)
GB/T 14537-1993 Shock and bump tests on measuring relays and
protection equipment (idt IEC 60255-21-2.1998)
GB/T 14598.3-2006 Electrical relays – Part 5. Insulation coordination for
measuring relays and protection equipment – Requirements and tests (IEC
60255-5.2000, IDT)
GB/T 15543-2008 Power quality – Three-phase voltage
GB/T 15969.1-2007 Programmable controllers – Part 1. General information
GB/T 15969.2-2008 Programmable controllers – Part 2. Equipment
requirements and tests
GB/T 17626.2-2006 Electromagnetic compatibility (EMC) – Testing and
measurement techniques – Electrostatic discharge immunity test
GB/T 17626.3-2006 Electromagnetic compatibility (EMC) – Testing and
measurement techniques – Radiated radio-frequency electromagnetic field
immunity test
GB/T 17626.4-2008 Electromagnetic compatibility (EMC) – Testing and
measurement techniques – Electrical fast transient/burst immunity test
GB/T 17626.5-2008 Electromagnetic compatibility (EMC) – Testing and
measurement techniques – Surge immunity test
GB/T 17626.6-2008 Electromagnetic compatibility (EMC) – Testing and
measurement techniques – Immunity to conducted disturbances induced by
radio-frequency fields
GB/T 17626.12-1998 Electromagnetic compatibility (EMC) – Testing and
measurement techniques – Ring wave immunity test
GB/T 18451.1-2001 Wind turbine generator systems – Design requirements
GB/T 19608.1-2004 Classification of special environmental condition – Part
1. Dry heat
GB/T 19608.2-2004 Classification of special environmental condition – Part
2. Dry heat desert
GB/T 19608.3-2004 Classification of special environmental condition – Part
3. Plateau
GB/T 20641-2006 Empty enclosures for low-voltage switchgear and
controlgear assemblies – General requirements
GB/T 21714.4-2008 Protection against lightning – Part 4. Electrical and
electronic systems within structures
GB/T 20540 Digital data communication for measurement and control –
Fieldbus for use in industrial systems – Type 3. PROFIBUS specification
ISO 11898 Road vehicles – Controller area network
EN 175301-801-2007 Detail specification – High density rectangular
connectors, round removable crimp contacts
3 Terms and definitions
The terms and definitions as defined in GB/T 2900.53, GB/T 2422, GB/T
2900.1, and GB/T 4365 AND the following terms and definitions apply to this
standard.
3.1
Wind turbine generator system (WTGS)
It refers to the system which convert the wind energy into power energy.
3.2
Failure
It refers t...