CN113098021B - 电力***自动电压控制方法 - Google Patents

电力***自动电压控制方法 Download PDF

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CN113098021B
CN113098021B CN202110423237.0A CN202110423237A CN113098021B CN 113098021 B CN113098021 B CN 113098021B CN 202110423237 A CN202110423237 A CN 202110423237A CN 113098021 B CN113098021 B CN 113098021B
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王德彬
徐钰琨
栗少萍
董玉芹
刘明源
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Shandong Vocational College of Science and Technology
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    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J3/00—Circuit arrangements for ac mains or ac distribution networks
    • H02J3/12—Circuit arrangements for ac mains or ac distribution networks for adjusting voltage in ac networks by changing a characteristic of the network load
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J13/00—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network
    • H02J13/00002—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network characterised by monitoring
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J13/00—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network
    • H02J13/00006—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network characterised by information or instructions transport means between the monitoring, controlling or managing units and monitored, controlled or operated power network element or electrical equipment
    • H02J13/00007—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network characterised by information or instructions transport means between the monitoring, controlling or managing units and monitored, controlled or operated power network element or electrical equipment using the power network as support for the transmission
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J2203/00—Indexing scheme relating to details of circuit arrangements for AC mains or AC distribution networks
    • H02J2203/20—Simulating, e g planning, reliability check, modelling or computer assisted design [CAD]
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E40/00—Technologies for an efficient electrical power generation, transmission or distribution
    • Y02E40/30—Reactive power compensation
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
    • Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
    • Y04S40/00—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them
    • Y04S40/12—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them characterised by data transport means between the monitoring, controlling or managing units and monitored, controlled or operated electrical equipment
    • Y04S40/121—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them characterised by data transport means between the monitoring, controlling or managing units and monitored, controlled or operated electrical equipment using the power network as support for the transmission

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  • Supply And Distribution Of Alternating Current (AREA)

Abstract

本发明涉及电力***控制领域，具体涉及一种电力***自动电压控制方法，包括如下步骤：S1、基于电网工况的采集，实现电能质量扰动的识别；S2、基于电能质量扰动的识别结果调用对应的电压习惯调控模型和电压调控命令效验模型实现电压自动调控。电压习惯调控模型输出的每一条电压调控指令均配置一电压调控命令效验模型，用于实现电压调控指令的效验，每一次效验不通过均生成一错误指令反馈至电压习惯调控模型和远程监控终端。本发明在可以实现电压可靠调控的同时，保证了电力***的安全运行。

Description

电力***自动电压控制方法
技术领域
本发明涉及电力***控制领域，具体涉及一种电力***自动电压控制方法。
背景技术
自动电压控制(Automatic Voltage Control)***是实现电网安全、经济、优质运行的重要手段，其能够利用电网实时运行数据，从电网全局优化的角度科学决策出最佳的无功电压调整方案，自动下发给电厂、变电站以及下级电网调度机构执行。
目前，现有的自动电压控制***普遍采用既定的电压调控模型实现电压的调控，未充分考虑电能质量扰动，存在较大的安全隐患，同时电压调控指令的输出不具备效验功能，存在指令出错的漏洞，一定程度上影响了电力***的安全运行。
发明内容
为解决上述问题，本发明提供了一种电力***自动电压控制方法，在可以实现电压可靠调控的同时，保证了电力***的安全运行。
为实现上述目的，本发明采取的技术方案为：
电力***自动电压控制方法，包括如下步骤：
S1、基于电网工况的采集，实现电能质量扰动的识别；
S2、基于电能质量扰动的识别结果调用对应的电压习惯调控模型和电压调控命令效验模型实现电压自动调控。
进一步地，电压习惯调控模型输出的每一条电压调控指令均配置一电压调控命令效验模型，用于实现电压调控指令的效验，每一次效验不通过均生成一错误指令反馈至电压习惯调控模型和远程监控终端。
进一步地，不同的电能质量扰动识别结果配置不同的电压习惯调控模型，该电压习惯调控模型内载对应的电能质量扰动消除指令。
进一步地，利用信源编码实现每一条电压调控指令的转换。
进一步地，还包括：构建当前电力***的电压安全调控范围，及每一个电压值可安全运行的电网工况条件约束的步骤。
进一步地，所述电压习惯调控模型由历史用电需求模型和电能质量扰动诊治模型融合所得，其中，历史用电需求模型基于历史用电需求参数训练所得，电能质量扰动诊治模型基于某一种/某几种电能质量扰动的种类及对应的消除指令构建。
进一步地，所述电压习惯调控模型的目标函数为综合效益最高以及电能质量扰动影响最小，约束条件包括电压安全调控范围约束、电网工况约束。
本发明具有以下有益效果：
在可以实现电压可靠调控的同时，保证了电力***的安全运行。
附图说明
图1为本发明实施例1电力***自动电压控制方法的流程图。
图2为本发明实施例2电力***自动电压控制方法的流程图。
具体实施方式
下面结合具体实施例对本发明进行详细说明。以下实施例将有助于本领域的技术人员进一步理解本发明，但不以任何形式限制本发明。应当指出的是，对本领域的普通技术人员来说，在不脱离本发明构思的前提下，还可以做出若干变形和改进。这些都属于本发明的保护范围。
实施例1
如图1所示，电力***自动电压控制方法，包括如下步骤：
S1、基于电网工况的采集，实现电能质量扰动的识别；
S2、基于电能质量扰动的识别结果调用对应的电压习惯调控模型实现电压调控指令的输出；
S3、基于电压调控命令效验模型实现电压调控指令的效验；具体的，效验通过，则进行该电压调控指令的输送，若效验不通过，则生成错误指令反馈至电压习惯调控模型和远程监控终端，实现电压调控指令的重新生成、输出。
本实施例中，基于TFT 提取完成电网工况的特征向量，采用Bi-LSTM+Attention模型作为分类器，实现电能质量事件的识别。
本实施例中，电压习惯调控模型输出的每一条电压调控指令均配置一电压调控命令效验模型。
本实施例中，不同的电能质量扰动识别结果配置不同的电压习惯调控模型，该电压习惯调控模型内载对应的电能质量扰动消除指令。
本实施例中，在构建电压习惯模型时，首先需构建当前电力***的电压安全调控范围，及每一个电压值可安全运行的电网工况条件约束；所述电压习惯调控模型由历史用电需求模型和电能质量扰动诊治模型融合所得，其中，历史用电需求模型基于历史用电需求参数训练所得，电能质量扰动诊治模型基于某一种/某几种电能质量扰动的种类及对应的消除指令构建。
本实施例中，所述电压习惯调控模型的目标函数为综合效益最高以及电能质量扰动影响最小，约束条件包括电压安全调控范围约束、电网工况约束。
实施例2
如图2所示，电力***自动电压控制方法，包括如下步骤：
S1、构建当前电力***的电压安全调控范围，及每一个电压值可安全运行的电网工况条件约束，并实现电压习惯调控模型的构建；
S2、基于电网工况的采集，实现电能质量扰动的识别；
S3、基于电能质量扰动的识别结果调用对应的电压习惯调控模型实现电压调控指令的输出；
S4、基于电压调控命令效验模型实现电压调控指令的效验，基于效验结果实现电压调控命令的处理；效验通过，则利用信源编码实现该电压调控指令的转换，实现该电压调控指令的输送，若效验不通过，则生成错误指令反馈至电压习惯调控模型和远程监控终端，实现电压调控指令的重新生成、输出。
本实施例中，基于TFT 提取完成电网工况的特征向量，采用Bi-LSTM+Attention模型作为分类器，实现电能质量事件的识别。
本实施例中，电压习惯调控模型输出的每一条电压调控指令均配置一电压调控命令效验模型。
本实施例中，不同的电能质量扰动识别结果配置不同的电压习惯调控模型，该电压习惯调控模型内载对应的电能质量扰动消除指令。
本实施例中，所述电压习惯调控模型由历史用电需求模型和电能质量扰动诊治模型融合所得，其中，历史用电需求模型基于历史用电需求参数训练所得，电能质量扰动诊治模型基于某一种/某几种电能质量扰动的种类及对应的消除指令构建。
本实施例中，所述电压习惯调控模型的目标函数为综合效益最高以及电能质量扰动影响最小，约束条件包括电压安全调控范围约束、电网工况约束。
以上对本发明的具体实施例进行了描述。需要理解的是，本发明并不局限于上述特定实施方式，本领域技术人员可以在权利要求的范围内做出各种变化或修改，这并不影响本发明的实质内容。在不冲突的情况下，本申请的实施例和实施例中的特征可以任意相互组合。

Claims (4)

1.电力***自动电压控制方法，其特征在于：包括如下步骤：
S1、基于电网工况的采集，实现电能质量扰动的识别；
S2、基于电能质量扰动的识别结果调用对应的电压习惯调控模型和电压调控命令效验模型实现电压自动调控；所述电压习惯调控模型由历史用电需求模型和电能质量扰动诊治模型融合所得，其中，历史用电需求模型基于历史用电需求参数训练所得，电能质量扰动诊治模型基于某一种/某几种电能质量扰动的种类及对应的消除指令构建；电压习惯调控模型输出的每一条电压调控指令均配置一电压调控命令效验模型，用于实现电压调控指令的效验，每一次效验不通过均生成一错误指令反馈至电压习惯调控模型和远程监控终端；不同的电能质量扰动识别结果配置不同的电压习惯调控模型，该电压习惯调控模型内载对应的电能质量扰动消除指令。
2.如权利要求1所述的电力***自动电压控制方法，其特征在于：利用信源编码实现每一条电压调控指令的转换。
3.如权利要求1所述的电力***自动电压控制方法，其特征在于：还包括：构建当前电力***的电压安全调控范围，及每一个电压值可安全运行的电网工况条件约束的步骤。
4.如权利要求1所述的电力***自动电压控制方法，其特征在于：所述电压习惯调控模型的目标函数为综合效益最高以及电能质量扰动影响最小，约束条件包括电压安全调控范围约束、电网工况约束。
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CN110399796A (zh) * 2019-09-02 2019-11-01 国网上海市电力公司 一种基于改进深度学习算法的电能质量扰动识别方法
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CN106887848B (zh) * 2015-12-16 2019-07-19 南京南瑞继保电气有限公司 基于模糊模式识别的电压无功实时控制方法
WO2020162937A1 (en) * 2019-02-07 2020-08-13 General Electric Company Automated model validation system for electrical grid
CN110824282A (zh) * 2019-11-20 2020-02-21 湖南铁路科技职业技术学院 一种高压充电桩电能质量监测***
CN112003374B (zh) * 2020-08-25 2022-04-15 杭州电力设备制造有限公司 一种电能质量无线监测***

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CN102289223A (zh) * 2011-05-16 2011-12-21 河北省电力研究院 自动电压控制***全网最优控制参数校验方法
CN110399796A (zh) * 2019-09-02 2019-11-01 国网上海市电力公司 一种基于改进深度学习算法的电能质量扰动识别方法
CN110994613A (zh) * 2019-12-25 2020-04-10 杭州众工电力科技有限公司 一种电厂负荷调度***及其调度方法

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