CN102694392B - 风电场的调度方法 - Google Patents

风电场的调度方法 Download PDF

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CN102694392B
CN102694392B CN201210183855.3A CN201210183855A CN102694392B CN 102694392 B CN102694392 B CN 102694392B CN 201210183855 A CN201210183855 A CN 201210183855A CN 102694392 B CN102694392 B CN 102694392B
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CN102694392A (zh
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赵子刚
王辉
朱永峰
刘少明
张兴林
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BEIJING YUENENG TECHNOLOGY CO LTD
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Abstract

本发明是有关于一种风电场的调度方法，包括以下步骤：A．建立通过接口与电网、风机机群控制模块连接的集控中心；B．为集控中心预设调度策略；C.获取生产数据平台的数据，并按调度策略生成具体的调度方式；D.集控中心通过接口将调度方式分发至各机群的控制模块。本发明通过内置的调度策略，与各方的数据整合，提供了一套综合性、全面的风电场负荷调度方式，以提高风电场的综合运行效益。

Description

风电场的调度方法
技术领域
本发明涉及一种风电场在电网指定负荷下的调度技术，特别是涉及一种风电场的调度方法。
背景技术
目前各个风电场为了满足电网的负荷要求，在电网下了调度指令后，通过风机机群功率控制，来实现风电场负荷的调度。由于一个风电场存在多种类型的风机，不同类型的风机不能在同一功率控制模块下，进行负荷调整，只能由运行人员先将总负荷进行分配，再给各风机模块进行机群负荷调度。运行人员进行总负荷分配的时候，往往难以全面、客观、有效的进行，因而不能最大限度的提高风电场的运行效益。
由此可见，上述现有的风电场调度方式在方法与使用上，显然仍存在有不便与缺陷，而亟待加以进一步改进。如何能创设一种综合、全面的风电场负荷调度策略，以提高风电场的综合运行效益，实属当前本领域的重要研发课题之一。
发明内容
本发明要解决的技术问题是提供一种风电场的调度方法，使其可综合、全面的进行风电场负荷调度，提高风电场的综合运行效益。
为解决上述技术问题，本发明一种风电场的调度方法，包括以下步骤：A．建立通过接口与电网、风机机群控制模块连接的集控中心；B．为集控中心预设调度策略；C.获取生产数据平台的数据，并按调度策略生成具体的调度方式；D.集控中心通过接口将调度方式分发至各机群的控制模块。
作为本发明的一种改进，所述的调度策略的默认优先级依次为：上网电价高的风机优先发电；离检修维护计划时间最久的风机优先发电；设备状态良好，无报警、无故障的风机优先发电；风资源良好的区域内的风机优先发电；连续运行时间短的风机优先发电，所述的调度方式是指上述调度策略依优先级顺序的直接适用，或者根据获取的数据调整优先级顺序后再适用相应的调度策略。
所述的步骤D还包括：各机群的控制模块执行一项调度策略后，将调度后的功率反馈给生产数据中心，集控中心根据反馈的调度结果判断是否满足目标功率，如不满足则指令机群控制模块执行下一优先级的调度策略，如满足则结束调度。
所述的各调度策略的具体控制步骤包括：限制非优先发电的风机的功率；将调整后的功率与目标功率比较；如不满足调度要求，则进一步限制非优先发电风机的功率；如满足调度要求，或非优先发电风机的功率为0，则结束该项调度策略。
所述的步骤D中，集控中心分发至各机群控制模块的参数为该机群的总功率和参与调整的风机编号。
采用这样的设计后，本发明通过内置的调度策略，与各方的数据整合，提供了一套综合性、全面的风电场负荷调度方式，以提高风电场的综合运行效益。
附图说明
图1是本发明风电场的调度方法中机群控制模块执行调度方式的流程示意图。
图2是本发明风电场的调度方法中电价调度策略的执行流程示意图。
具体实施方式
上述仅是本发明技术方案的概述，为了能够更清楚了解本发明的技术手段，以下结合附图和具体实施方式对本发明作进一步的详细说明。
本发明风电场的调度方法主要包括四个步骤。
步骤A，建立通过接口与电网、风机机群控制模块连接的集控中心。集控中心的数据输入是电网的调度负荷，输出各类机群调度负荷及其对应的总功率，利用接口和数据交换过程，打通整个系统的数据流。
步骤B，为集控中心预设调度策略。调度策略的制定考虑的因素通常包括上网电价、风资源评估、设备状态、设备运行时间、设备检修维护计划等，根据需要设定相应的权重、逻辑关系等，从而根据各个风电场的具体情况制定出具体的调度方式，并导入策略库。
步骤C，集控中心获取生产数据平台的数据，并按调度策略生成具体的调度方式。确定调度策略所依赖的上网电价、风资源评估、设备状态、设备运行时间、设备检修维护计划等数据，都来源于生产数据平台，是依据调度策略确定调度方式的基础数据。
具体来说，调度策略的默认优先级一般为：上网电价高的风机优先发电；离检修维护计划时间最久的风机优先发电；设备状态良好，无报警、无故障的风机优先发电；风资源良好的区域内的风机优先发电；连续运行时间短的风机优先发电。调度方式则是指上述调度策略依优先级顺序的直接适用，或者根据获取的数据调整优先级顺序后再适用相应的调度策略，以最有利与风电场运行的方式进行。
步骤D，集控中心通过接口将调度方式分发至各机群的控制模块，传入参数为该机器的总功率和参与调整的风机编号，进行负荷调度。较佳的，请参阅图1所示，各机群的控制模块在执行一项调度策略后，将调度后的功率反馈给生产数据中心，集控中心通过软件或者人工判断反馈的调度后功率值与目标功率偏差是否在预设偏差范围内，从而得出是否满足电网调度要求的结论，如不满足则指令机群控制模块执行下一优先级的调度策略，如满足则结束调度。
此外，请参阅图2所示，以电价调度策略为例来说，各调度策略的具体控制步骤包括：限制非优先发电的风机的功率；将调整后的功率与目标功率比较；如不满足调度要求，则进一步限制非优先发电风机的功率；如满足调度要求，或非优先发电风机的功率为0，则结束该项调度策略。
以上所述，仅是本发明的较佳实施例而已，并非对本发明作任何形式上的限制，本领域技术人员利用上述揭示的技术内容做出些许简单修改、等同变化或修饰，均落在本发明的保护范围内。

Claims (3)

1.一种风电场的调度方法，其特征在于包括以下步骤：
A.建立通过接口与电网、风机机群控制模块连接的集控中心；
B.为集控中心预设调度策略；
C.获取生产数据平台的数据，并按调度策略生成具体的调度方式；
D.集控中心通过接口将调度方式分发至各机群的控制模块，集控中心分发至各机群控制模块的参数为该机群的总功率和参与调整的风机编号，
所述的调度策略的默认优先级依次为：
上网电价高的风机优先发电；
离检修维护计划时间最久的风机优先发电；
设备状态良好，无报警、无故障的风机优先发电；
风资源良好的区域内的风机优先发电；
连续运行时间短的风机优先发电，
所述的调度方式是指上述调度策略依优先级顺序的直接适用，或者根据获取的数据调整优先级顺序后再适用相应的调度策略。
2.根据权利要求1所述的风电场的调度方法，其特征在于所述的步骤D还包括：
各机群的控制模块执行一项调度策略后，将调度后的功率反馈给生产数据中心，集控中心根据反馈的调度结果判断是否满足目标功率，如不满足则指令机群控制模块执行下一优先级的调度策略，如满足则结束调度。
3.根据权利要求2所述的风电场的调度方法，其特征在于所述的调度策略的具体控制步骤包括：
限制非优先发电的风机的功率；
将调整后的功率与目标功率比较；
如不满足调度要求，则进一步限制非优先发电风机的功率；
如满足调度要求，或非优先发电风机的功率为0，则结束该项调度策略。
CN201210183855.3A 2012-06-05 2012-06-05 风电场的调度方法 Active CN102694392B (zh)

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Publication number Priority date Publication date Assignee Title
CN102013699A (zh) * 2010-10-25 2011-04-13 电子科技大学 一种风力发电场有功功率分配方法

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US7642666B2 (en) * 2006-11-02 2010-01-05 Hitachi, Ltd. Wind power generation apparatus, wind power generation system and power system control apparatus

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CN102013699A (zh) * 2010-10-25 2011-04-13 电子科技大学 一种风力发电场有功功率分配方法

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