光伏并网发电技术及标准.ppt

1、光伏并网发电技术及标准,合肥阳光电源有限公司 研发中心 赵为,2020/9/24,合肥阳光电源有限公司,2,一、 背景,我国丰富的阳光资源和电池组件价格的下降,中国日益紧张的电力供需矛盾,资源与环境问题突出,下一页,2020/9/24,合肥阳光电源有限公司,3,二、 光伏发电系统的组成, 独立供电系统 PV组件 蓄电池 充放电控制器 并网系统 PV组件 并网逆变器 双向计量装置 公用电网,DC负载,逆变器 + AC负载,下一页,2020/9/24,合肥阳光电源有限公司,4,三、并网逆变器的种类,1.直接耦合系统 2.工频隔离系统 3.高频隔离系统 4.高频不隔离系统,下一页,2020/9/24

2、,合肥阳光电源有限公司,5,四、 光伏并网发电的关键技术, 组件的绝缘技术 光伏阵列的最大功率跟踪技术（MPPT） 并网逆变器的设计、制造 孤岛效应保护技术 电能双向计量技术 夜间零耗电技术 电磁兼容性 其他的安全问题（如防雷）,下一页,2020/9/24,合肥阳光电源有限公司,6,五、 光伏并网系统的三大趋势, 光伏建筑（BIPV）（15kW）：各国发展迅猛； 大型光伏电站 （LPVGS）（100kW100MW）：适合在我国 广阔西部地区推广； 小功率光伏并网模块 （AC MODULE）由于效率不高， 安全性差等问题，发展前景黯淡。,下一页,2020/9/24,合肥阳光电源有限公司,7,6.

3、1 采用工频变压器隔离的单相并网逆变器系统,六、 用于光伏建筑的并网逆变器技术方案,2020/9/24,合肥阳光电源有限公司,8,6.2 采用直流升压、高频变压器隔离的单相并网逆变器系统,六、 用于光伏建筑的并网逆变器技术方案,2020/9/24,合肥阳光电源有限公司,9,6.3 采用工频变压器隔离的大功率三相并网逆变器系统,六、 用于光伏建筑的并网逆变器技术方案,2020/9/24,合肥阳光电源有限公司,10,七、 大型光伏电站的技术方案,1.多重叠加技术 10MW 系统,下一页,2020/9/24,合肥阳光电源有限公司,11,2.多机并联技术 150MW 系统,下一页,2020/9/24,

4、合肥阳光电源有限公司,12,3.多电平直接逆变技术 50100MW 系统,下一页,2020/9/24,合肥阳光电源有限公司,13,八、 光伏并网发电相关的标准（TC82）,NO1. IEC 60891：1987, procedures for temperature and irradiance corrections to measured I-V characteristics of crystalline silicon photovoltaic (PV) devices. Amendment NO1. NO2. IEC 60904-1：1987, PV Part1：Measuremen

5、ts of PV current-voltage characteristics. NO3. IEC 60904-2：1989, Photovoltaic devices-Part2：Requirements for reference solar cells. NO4. IEC 60904-3：1989, Photovoltaic devices-Part3：Measurement principles for terrestrial photovoltaic (PV) solar devices with reference spectral irradiance data. NO5. I

6、EC 60904-5：1993, Photovoltaic devices-Part5：Determination of the equivalent cell temperature (ECT) of photovoltaic (PV) devices by the open-circuit voltage method. NO6. IEC 60904-6：1994, Photovoltaic devices-Part6：Requirements for reference solar modules.,下一页,2020/9/24,合肥阳光电源有限公司,14,NO7. IEC 60904-7

7、：1995, Photovoltaic devices-Part7 ：Computation of spectral mismatch error introduced in the testing of a photovoltaic device. NO8. IEC 60904-8：1995, Photovoltaic devices-Part8 ：Guidance for the measurement of spectral response of a photovoltaic device. Second edition (1998). NO9. IEC 60904-9：1995, P

8、hotovoltaic devices-Part9：Solar simulator performance requirements. NO10. IEC 60904-8：1998, Photovoltaic devices-Part10：Methods of linearity measurement. NO11. IEC 61173：1992, Overvoltage protection for photovoltaic (PV) power generating systems-Guide. NO12. IEC 61194：1993, Characteristics parameter

9、s of stand-alone photovoltaic (PV) systems.,下一页,2020/9/24,合肥阳光电源有限公司,15,NO13. IEC 61215：1993, Crystalline silicon terrestrial photovoltaic (PV) modules. Design Qualification and type approval. NO14. IEC 61277：1995, Guide:General description of photovoltaic (PV) power generating systems. NO15. IEC 61

10、345：1998, UV test for photovoltaic (PV) modules. NO16. IEC 61427, Secondary cells and batteries for photovoltaic (PV) energy systems-General requirements and methods of test. NO17. IEC 61646：1996, Thin film silicon terrestrial PV modules-Design Qualification and type approval. NO18. IEC 61683：1999,

11、PV system-power conditioners-procedures for measuring efficiency. NO19. IEC 61701：1995, Salt mist corrosion testing of photovoltaic (PV) modules. NO20. IEC 61702：1995, Rating of direct coupled photovoltaic (PV) pumping systems.,下一页,2020/9/24,合肥阳光电源有限公司,16,下一页,NO21. IEC 61721:1995, Susceptibility of

12、a photovoltaic (PV) module to accidental impact damage (resistance to impact test). NO22. IEC 61724:1998, Photovoltaic system performance monitoring-Guidelines for measurement, data exchange and analysis. NO23. IEC 61725:1997, Analytiacl expression for daily solar profiles. NO24. IEC 61727:1995, Pho

13、tovoltaic systems-Characteristics of the utility interface. NO25. IEC 61730 Photovoltaic system safety qualification-part1:Requirement for construction. NO26. IEC 61829:1995, Crystalline silicon PV array-On-site measurement of I-V characteristics. NO27. IEC 61830:1997, Solar photovoltaic energy syst

14、em-terms and symbols. NO28. IEC 61853 Performance testing and energy rating of terrestrial photovoltaic modules.,2020/9/24,合肥阳光电源有限公司,17,NO329. IEC 62078 Certification and accreditation program for photovoltaic (PV) components and systems-Guidelines for a total quality system. NO30. IEC 62093, BOS c

15、omponents-Environmental reliability testing- Design qualification and type approval. NO31. IEC 62108 Concentrator photovoltaic (PV) receivers and modules- Design qualification and type approval. NO32. IEC 62109 Electrical safety of static inverters and charge controllers for use in photovoltaic (PV)

16、 power systems. NO33. IEC 62116 Testing procedure-Islanding prevention measures for power conditions use in grid connected photovoltaic (PV) power generation systems. NO34. IEC 62124 Photovoltaic stand-alone systems- Design qualification and type approval. NO35. IEC 62145 Crystalline silicon PV modu

17、les-Blank detail specification. NO36. IEC 62234 Safety guidelines for grid connected photovoltaic (PV) systems mounted on building.,下一页,2020/9/24,合肥阳光电源有限公司,18,NO37. IEC 62253 Direct coupled photovoltaic (PV) pumping systems- Design qualification and type approval. NO38. IEC 62257 Specifications for

18、 the use of renewable energies in rural decentralised electrification. NO39. IEC/PAS 62111 Specifications for the use of renewable energies in rural decentralised electrification. NO40. PNW 82-263 Maximum Power Point Tracking. IEEE Codes and Standards ABBREVIATIONS: ANW=Approved New Work PNW=Propose

19、d New Work CDM=Committee draft to be discussed in at meeting. PWI=Potential New Work Item.,下一页,2020/9/24,合肥阳光电源有限公司,19,九、 目前急需贯彻的标准,1.IEC61727-1995 Photovoltaic system-characteristics of the utility interface.2.IEEE929-2000 Recommended practice for Utility Interface of PV system. 3.IEC61215-1993 单晶硅

20、电池标准. crystalline silicon terrestrial photovoltaic (PV) modules. Design Qualification and type approval. 4.IEC60304 Electrical Installations of building.5.IEC61000 EMC standards.6.GB/T 并网光伏发电系统技术要求. 7. UL1741-1999 Standard for Static Inverters and Charge Controllers for Use in PV Power Systems.,下一页,2020/9/24,合肥阳光电源有限公司,20,十、 结论, 光伏并网发电有广阔的应用前景； 西部今后将有可能建成1100MW 光伏并网电站; 目前