标准解读
《GB/T 44650-2024 光伏发电站逆变器并网性能硬件在环测试规程》是一项国家标准,旨在规范光伏发电站中逆变器的并网性能测试方法。该标准适用于光伏电站用逆变器,并通过硬件在环(HIL, Hardware-in-the-Loop)的方式进行测试。硬件在环测试是一种先进的仿真技术,它允许物理设备与模拟环境之间的实时交互,以验证设备在各种条件下的行为和性能。
根据此标准,测试内容主要包括但不限于逆变器对电网故障的响应特性、频率变化适应能力、电压波动应对策略等关键指标。此外,还涵盖了如何设置测试平台,包括选择合适的功率放大器、信号发生器以及数据采集系统等,确保能够准确地再现实际运行环境中可能出现的各种情况。对于不同类型的逆变器,如集中式逆变器或组串式逆变器,标准也给出了相应的测试指导原则。
测试过程中需要关注的主要参数有:输出电流谐波含量、直流分量限制、无功功率调节范围等。这些参数直接影响到逆变器能否安全稳定地接入电网,并保证整个电力系统的正常运作。同时,标准强调了测试记录的重要性,要求详细记录每次实验的具体条件及结果,以便于后续分析与评估。
如需获取更多详尽信息,请直接参考下方经官方授权发布的权威标准文档。
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文档简介
ICS27.160
CCSF12
中华人民共和国国家标准
GB/T44650—2024
光伏发电站逆变器并网性能硬件
在环测试规程
Testingcodeforgridperformanceofinverterinphotovoltaicpowerstation
basedonhardware⁃in⁃the⁃loopsimulation
2024⁃09⁃29发布2024⁃09⁃29实施
国家市场监督管理总局
国家标准化管理委员会发布
GB/T44650—2024
目次
前言··························································································································Ⅲ
1范围·······················································································································1
2规范性引用文件········································································································1
3术语和定义··············································································································1
4总体要求·················································································································1
5仿真测试平台···········································································································2
6测试准备·················································································································3
7有功功率仿真测试····································································································3
8无功功率仿真测试·····································································································5
9故障穿越仿真测试····································································································6
10运行适应性仿真测试································································································8
附录A(规范性)仿真模型参数校准方法··········································································10
附录B(规范性)控制特性偏差最大允许值·······································································13
附录C(资料性)光伏逆变器硬件在环仿真测试信息表························································14
附录D(规范性)区间划分及偏差计算方法·······································································15
附录E(资料性)测试记录····························································································17
参考文献····················································································································18
Ⅰ
GB/T44650—2024
前言
本文件按照GB/T1.1—2020《标准化工作导则第1部分:标准化文件的结构和起草规则》的规
定起草。
请注意本文件的某些内容可能涉及专利。本文件的发布机构不承担识别专利的责任。
本文件由中国电力企业联合会提出并归口。
本文件起草单位:中国电力科学研究院有限公司、华为数字能源技术有限公司、阳光电源股份有限
公司、上能电气股份有限公司。
本文件主要起草人:杨波、张晓琳、张军军、董玮、姚广秀、陈志磊、刘美茵、邵章平、秦筱迪、曹雪原、
葛鹏霄、施志明、冀婉玉、徐亮辉、杨青斌、包斯嘉、辛凯、杜荣华、陈保群、张建、董颖华、张双庆。
Ⅲ
GB/T44650—2024
光伏发电站逆变器并网性能硬件
在环测试规程
1范围
本文件规定了光伏发电站逆变器硬件在环仿真测试平台、仿真测试准备、有功功率仿真测试、无功
功率仿真测试、故障穿越仿真测试、运行适应性仿真测试等要求。
本文件适用于光伏发电站逆变器的控制策略仿真验证。
2规范性引用文件
下列文件中的内容通过文中的规范性引用而构成本文件必不可少的条款。其中,注日期的引用文
件,仅该日期对应的版本适用于本文件;不注日期的引用文件,其最新版本(包括所有的修改单)适用于
本文件。
GB/T37408光伏发电并网逆变器技术要求
3术语和定义
下列术语和定义适用于本文件。
3.1
实时数字仿真装置realtimedigitalsimulator
具备实时数字仿真能力的计算机硬件与软件的总称。
[来源:GB/T40601—2021,3.1,有修改]
3.2
实时信号接口realtimesignalinterface
实时数字仿真装置与光伏逆变器控制器的交互接口。
注:模拟量输入/输出通道、数字量输入/输出通道等物理信号接口,通信接口等。
[来源:GB/T40601—2021,3.4,有修改]
3.3
基准光伏逆变器benchmarkphotovoltaicinverter
与被测光伏逆变器型号一致且通过型式试验的逆变器。
3.4
基准控制器benchmarkcontroller
基准光伏逆变器的控制器。
4总体要求
4.1硬件在环仿真测试前,应收集光伏逆变器资料、编制测试方案,并搭建仿真测试平台。
4.2硬件在环仿真测试前,应采用基准光伏逆变器的型式试验数据,对仿真测试平台中的模型参数进
行校准,校准方法应符合附录A的规定。
4.3硬件在环仿真
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