CN104517199A - 一种基于实时数据的新能源发电在线监测方法 - Google Patents

一种基于实时数据的新能源发电在线监测方法 Download PDF

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CN104517199A
CN104517199A CN201510024269.8A CN201510024269A CN104517199A CN 104517199 A CN104517199 A CN 104517199A CN 201510024269 A CN201510024269 A CN 201510024269A CN 104517199 A CN104517199 A CN 104517199A
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夏怀民
万磊
周想凌
詹智民
应红霞
王瑾
周艾兵
刘昕
殷胜
赵立华
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HUBEI CENTRAL CHINA TECHNOLOGY DEVELOPMENT OF ELECTRIC POWER Co Ltd
State Grid Corp of China SGCC
State Grid Hubei Electric Power Co Ltd
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Abstract

本发明属于电网运营监测管理系统领域,基于多业务系统数据集成及大数据挖掘分析,实现对新能源发电的上网电量、上网电价、贴补电费等运营信息的在线监测。该发明综合利用营销业务系统、用电信息采集系统和电能计量(Tele Meter Reading简称TMR)系统对用户用电情况的实时数据,监控包含新能源部分的用电用户实际用电与发电量;利用相关决策部分的前期计划数据资料,对比实时监控数据,以月为单位评价分布式能源运行情况。决策部分可根据对比结果有效提高分布式能源发电效率。

Description

一种基于实时数据的新能源发电在线监测方法
技术领域
本发明属于电网运营监测管理系统领域,基于多业务系统数据集成及大数据挖掘分析,实现对新能源发电的上网电量、上网电价、贴补电费等运营信息的在线监测。
背景技术
近年来,随着地球资源的日益枯竭以及人们环保意识的增强,充分利用一次能源和可再生能源引起了世界各国的高度重视。我国煤炭、石油和天然气的绝对资源数量十分可观,但由于人口众多,能源资源的人均占有量只相当于世界平均数的一半,是一个能源资源相对贫乏的国家。近年来,随着我国经济的飞速发展,能源消费量剧增,化石能源资源的有限与过度开采,国际能源战略格局的最新变化,都为我国未来的能源发展提出了新的课题。为此,国家大力发展可持续绿色能源新能源发电,对于保障我国能源安全、优化能源结构、促进国家经济与社会可持续发展、保护生态环境、应对气候变化、调整产业结构的战略选择有重要意义。
为了整合资源,加强新能源发电的统一管理协调,积极根据国家有关政争取政府进一步明确收费政策,将新能源发电管理纳入常态在线监测范畴,实时监测新能源发电(含分布式能源、光伏发电)的上网电量、上网电价、贴补电费等运营信息有积极的现实意义。同时,随着智能电能表的大力推广以及用电信息采集技术的飞速发展,更是为新能源发电情况监测,提供了有效技术支撑。
发明内容
本发明的目的在于克服现有技术的上述不足,提供一种基于实时数据的新能源发电在线监测方法。本发明采用如下的技术方案:
一种基于实时数据的新能源发电在线监测方法,该方法需要收集发策部门年度相关发电计划、并网经济协议,收集调度中心年度并网调度协议,收集营销部门相关业务资料、合同;查询经法系统协议签订情况,查询营销系统及用电采集系统、电能计量系统并网装机容量、端口发电量、上网关口发电量、发电机端口电压及频率;将新能源项目数量、电能终端采集数、容量、发电量、上网电量等纳入日常在线监测范畴,具体监测内容包括:新能源发电项目并网电压等级、项目容量、补助标准、上网电价标准等明细信息;获取计量点主表表计每日24个时点电压、电流、止码和电量信息。
所述的一种基于实时数据的新能源发电在线监测方法,其特征在于,该方法实施步骤如下:
第一步:从地市调控中心电能量计量系统或针对分布式能源计量的用电采集系统获取到计量电量,该电量为分布式能源通过用户反向提供的有功电量计量,得到当日每个分布式能源发电项目的发电量;
第二步:根据月度发电量分解计划,求解截止日的月计划分解累计值Qmonth_dec_sum
具体计算公式如下,首先计算从当月1日到截止日的当月累计发电总量Qmonth_sum
Q month _ sum = Σ i = 1 day _ end Q day _ ca ( i )
式中,Qday_ca(i)为第i日发电量计算值;
然后,计算当月计划完成进度Qmonth_com
Q month _ com = Q month _ sum × 100 % Q month _ dec
式中,Qmonth_dec为当月分解计划;其中,Qmonth_dec等于发电量年计划月分解值;
最后,计算Qmonth_dec_sum
Qmonth_dec_sum=Qmonth_dec×ptime
式中,Qmonth_dec_sum截止当日的月计划分解累计值,ptime为当月时间进度;
p time = d end D month
式中,dend为截止当日的天数,Dmonth为实际全月天数;
第三步:同时计算补助金额与购电费用,其中,补助金额等于日发电量乘以该项目补助标准,购电费用等于日发电量乘以该项目上网电价标准;
第四步:计划跟踪
每日跟踪各项目发电量计划完成情况;将在线计算得到的当年累计发电量与该项目累计到当日的计划发电量进行比对;跟踪计划完成情况,为后续计划安排提供参考;若实际发电量等于或高于计划值,则用户超计划发电,系统发起告警,通知发电用户停止发电;
第五步:异动监测
将用户每日发电量情况与天气、气温等因素关联,对于光伏发电用户与天气、气温关联分析,对于风力发电用户与天气、风向等关联分析;并设置以下阈值:
对于光伏发电用户,若阴天或夜晚时段,即晚20:00至凌晨4:00,持续产生发电量,则发起异动监测流程,安排用电检察人员到现场核对用户发电及上网情况;
对于风力发电用户,当风力小于两级时,若用户持续产生发电量,则发起异动监测流程,安排用电检察人员到现场核对用户发电及上网情况。
本发明专利具有如下的有益效果:
该发明综合利用各采集系统对用户用电情况的实时数据,监控包含新能源部分的用电用户实际用电与发电量。该方法一方面可有效对分布式新能源发电进行统一监控与管理,另一方面通过采用该方法,可大力推动分布式新能源电力系统的快速发展。
附图说明
图1:一种基于实时数据的新能源发电在线监测方法结构组成框图;
图2:一种基于实时数据的新能源发电在线监测方法实施流程图;
具体实施方式
下面结合附图和实施例,对本发明专利的具体实施方式作进一步详细描述。以下实施例用于说明本发明专利,但不用来限制本发明专利的范围。
本发明所提供的一种基于实时数据的新能源发电在线监测方法,其组成结构如图1所示,实施流程如图2所示。
对某供电公司辖区内,光伏发电用户进行监测,通过用电信息采集系统,电能计量(Tele Meter Reading System简称TMR)系统,远程采集用户智能电能表96点电压、电流、功率及止码,发现在夜间时段,有某个用户反向有功总止码持续增长,具体增长情况如下表。
表1
测量点 数据日期 时间 反向有功 示数
01 2015/1/14 0:00 0.18 2,833.82
01 2015/1/14 0:15 0.18 2,834.00
01 2015/1/14 0:30 0.17 2,834.17
01 2015/1/14 0:45 0.15 2,834.32
01 2015/1/14 1:00 0.13 2,834.45
01 2015/1/14 1:15 0.13 2,834.58
01 2015/1/14 1:30 0.13 2,834.71
01 2015/1/14 1:45 0.13 2,834.84
01 2015/1/14 2:00 0.11 2,834.95
按照光伏发电原理,在夜间应无法产生发电量,依据15分钟频度对电能表反向有功总止码的监测,发现用户发电量持续增长。及时安排用电检察人员到现场核实用户用电情况,发现用户现场违规发电,用以套取光伏补助资金。

Claims (2)

1.一种基于实时数据的新能源发电在线监测方法,该方法需要收集发策部门年度相关发电计划、并网经济协议,收集调度中心年度并网调度协议,收集营销部门相关业务资料、合同;查询经法系统协议签订情况,查询营销系统及用电采集系统、电能计量系统并网装机容量、端口发电量、上网关口发电量、发电机端口电压及频率;将新能源项目数量、电能终端采集数、容量、发电量、上网电量等纳入日常在线监测范畴,具体监测内容包括:新能源发电项目并网电压等级、项目容量、补助标准、上网电价标准等明细信息;获取计量点主表表计每日24个时点电压、电流、止码和电量信息。
2.根据权利要求1所述的一种基于实时数据的新能源发电在线监测方法,其特征在于,其实施步骤如下:
第一步:从地市调控中心电能量计量系统或针对分布式能源计量的用电采集系统获取到计量电量,该电量为分布式能源通过用户反向提供的有功电量计量,得到当日每个分布式能源发电项目的发电量;
第二步:根据月度发电量分解计划,求解截止日的月计划分解累计值Qmonth_dec_sum
具体计算公式如下,首先计算从当月1日到截止日的当月累计发电总量Qmonth_sum
Q month _ sum = Σ i = 1 day _ end Q day _ ca ( i )
式中,Qday_ca(i)为第i日发电量计算值;
然后,计算当月计划完成进度Qmonth_com
Q month _ com = Q month _ sum × 100 % Q month _ dec
式中,Qmonth_dec为当月分解计划;其中,Qmonth_dec等于发电量年计划月分解值;
最后,计算Qmonth_dec_sum
Qmonth_dec_sum=Qmonth_dec×ptime
式中,Qmonth_dec_sum截止当日的月计划分解累计值,ptime为当月时间进度;
p time = d end D month
式中,dend为截止当日的天数,Dmonth为实际全月天数;
第三步:同时计算补助金额与购电费用,其中,补助金额等于日发电量乘以该项目补助标准,购电费用等于日发电量乘以该项目上网电价标准;
第四步:计划跟踪
每日跟踪各项目发电量计划完成情况;将在线计算得到的当年累计发电量与该项目累计到当日的计划发电量进行比对;跟踪计划完成情况,为后续计划安排提供参考;若实际发电量等于或高于计划值,则用户超计划发电,系统发起告警,通知发电用户停止发电;
第五步:异动监测
将用户每日发电量情况与天气、气温等因素关联,对于光伏发电用户与天气、气温关联分析,对于风力发电用户与天气、风向等关联分析;并设置以下阈值:
对于光伏发电用户,若阴天或夜晚时段,即晚20:00至凌晨4:00,持续产生发电量,则发起异动监测流程,安排用电检察人员到现场核对用户发电及上网情况;
对于风力发电用户,当风力小于两级时,若用户持续产生发电量,则发起异动监测流程,安排用电检察人员到现场核对用户发电及上网情况。
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CN107767086A (zh) * 2017-11-24 2018-03-06 国网甘肃省电力公司电力科学研究院 基于发电功率预测的新能源场站出力下限滚动修正方法
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豆书亮: "宁波地区新能源接入电网方式的研究及探讨", 《中国优秀硕士学位论文全文数据库工程科技Ⅱ辑》 *

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CN106326989A (zh) * 2016-08-24 2017-01-11 安徽森度科技有限公司 电网全景监测暨运维调度系统
CN107767086A (zh) * 2017-11-24 2018-03-06 国网甘肃省电力公司电力科学研究院 基于发电功率预测的新能源场站出力下限滚动修正方法
CN109709391A (zh) * 2019-01-14 2019-05-03 江苏盛德电子仪表有限公司 一种带有高速载波通讯模块的智能电表及其通信系统
CN110009263A (zh) * 2019-04-28 2019-07-12 河北建投能源投资股份有限公司 基于发电数据的监控方法
CN110363383A (zh) * 2019-06-03 2019-10-22 华东电力试验研究院有限公司 一种基于数字化发展下的分布式发电监测技术
CN112578330A (zh) * 2020-11-24 2021-03-30 西安西热电站信息技术有限公司 一种全自动电量采集方法、系统、设备及可读存储介质
CN113162028A (zh) * 2021-03-29 2021-07-23 重庆大学 一种基于RankBoost的新能源场站AGC综合性能评估方法
CN113162028B (zh) * 2021-03-29 2023-05-30 重庆大学 一种基于RankBoost的新能源场站AGC综合性能评估方法
CN117455418A (zh) * 2023-12-22 2024-01-26 光大环境科技(中国)有限公司 一种工商业光伏收益自动结算方法及系统
CN117455418B (zh) * 2023-12-22 2024-03-26 光大环境科技(中国)有限公司 一种工商业光伏收益自动结算方法及系统

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