CN113740641A - Park electric energy quality analysis system and control method - Google Patents
Park electric energy quality analysis system and control method Download PDFInfo
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- CN113740641A CN113740641A CN202110957289.6A CN202110957289A CN113740641A CN 113740641 A CN113740641 A CN 113740641A CN 202110957289 A CN202110957289 A CN 202110957289A CN 113740641 A CN113740641 A CN 113740641A
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Abstract
本发明涉及电能质量技术领域，尤其涉及一种园区电能质量分析系统及控制方法。其包括监测单元、通讯模块、数据储存模块、数据采集模块、数据解析模块、方案导入模块和方案执行模块；通讯模块分别与监测单元和数据采集模块通讯连接，且数据采集模块位于通讯模块的输出端；数据储存模块和数据解析模块分别与数据采集模块通讯连接，方法导入模块分别与数据解析模块和方案执行模块通讯连接，且方案执行模块位于方案导入模块的输出端。本发明有效的对需要进行检测的电能质量进行分析控制，精确性高，有效地及时去解决园区出现电压不稳、发电机正常工作中产生的谐波、电网中各变压设备产生的谐波以及直流输电产生的谐波的问题；实用性好。
The invention relates to the technical field of power quality, in particular to a park power quality analysis system and a control method. It includes a monitoring unit, a communication module, a data storage module, a data acquisition module, a data analysis module, a scheme import module and a scheme execution module; the communication module is respectively connected to the monitoring unit and the data acquisition module for communication, and the data acquisition module is located at the output of the communication module. The data storage module and the data analysis module are respectively connected in communication with the data acquisition module, the method import module is respectively connected in communication with the data analysis module and the scheme execution module, and the scheme execution module is located at the output end of the scheme import module. The invention effectively analyzes and controls the power quality that needs to be detected, has high accuracy, and can effectively and timely solve the voltage instability in the park, the harmonics generated during the normal operation of the generator, and the harmonics generated by various transformer equipment in the power grid. And the problem of harmonics generated by DC transmission; good practicability.
Description
Technical Field
The invention relates to the technical field of power quality, in particular to a park power quality analysis system and a control method.
Background
Energy quality refers to the quality of ac electrical energy supplied to a customer site through a utility grid. An ideal utility grid should supply users with constant frequency, sinusoidal waveform and standard voltage, the ideal power should be a perfectly symmetrical sine wave, and some factors may cause the waveform to deviate from a symmetrical sine, thereby creating power quality problems. Therefore, in order to effectively check the power quality, people need to use a related power quality analysis system to detect the power.
The existing park electric energy quality analysis system can not effectively analyze and control the electric energy quality to be detected, has the problems of poor timeliness and low accuracy of detecting the electric energy quality, greatly influences the working state of park equipment, and simultaneously can not effectively and timely solve the problems of unstable voltage, harmonic waves generated in the normal work of a generator, harmonic waves generated by each voltage transformation equipment in a power grid and harmonic waves generated by direct current transmission in the park; the practicality is not good enough.
Disclosure of Invention
The invention aims to provide a park electric energy quality analysis system and a control method aiming at the problems in the background technology.
The technical scheme of the invention is as follows: a park electric energy quality analysis system comprises a monitoring unit, a communication module, a data storage module, a data acquisition module, a data analysis module, a scheme import module and a scheme execution module; the communication module is respectively in communication connection with the monitoring unit and the data acquisition module, and the data acquisition module is positioned at the output end of the communication module; the data storage module and the data analysis module are respectively in communication connection with the data acquisition module, the method import module is respectively in communication connection with the data analysis module and the scheme execution module, and the scheme execution module is positioned at the output end of the scheme import module;
the monitoring unit is connected with a power supply of an object to be monitored through a mutual inductor and is used for detecting the electric energy parameters of the power supply of the object to be monitored;
the communication module is used for transmitting the data detected and collected by the monitoring unit to a receiving end;
the data acquisition module is used for collecting the electric energy parameters detected by the monitoring unit;
the data storage module is used for classifying and summarizing the collected data and transmitting the data to the Internet cloud for storage;
the data analysis module is used for reading the collected power quality data and converting the electric signals into data parameters for the convenience of reading and identification of monitoring personnel;
the scheme import module is used for importing the prepared scheme and importing different solutions according to different factors of different units;
and the scheme execution module is used for solving the unstable situation of large fluctuation of the power quality caused by different factors of different units through the scheme.
Preferably, the data analysis module comprises a data classification module, a data comparison module and a data publishing module;
the data classification module is used for separating voltage parameters, waveform parameters and frequency parameters in the collected power quality parameters;
the data comparison module is used for comparing the collected voltage parameters, waveform parameters and frequency parameters in the electric energy quality with all parameters in a preset ideal state;
and the data publishing module is used for outputting the compared result data to a display for displaying.
Preferably, the scheme importing module comprises a scheme storage module, a scheme searching module and a scheme increasing and decreasing module;
the scheme storage module is used for storing a plurality of groups of solutions for solving the problem of the quality of the electric energy;
a scheme searching module for searching a corresponding solution according to a cause causing the power quality;
and the scheme adding module is used for adding or deleting the scheme for solving the problem.
Preferably, a power quality regulator is arranged between the monitoring unit and the communication module, and the power quality regulator is in communication connection with the scheme execution module.
Preferably, when induction is carried out in the data storage module, classified induction is carried out according to different seasons, day and night; wherein, the classification and induction are carried out in the daytime and at night according to the peak period of power consumption, the peak period of power consumption and the normal time.
Preferably, the communication module is a wireless communication device.
Preferably, the power input end of the system is provided with a voltage stabilizer.
Preferably, the monitoring units are in multiple groups, and one monitoring unit is taken as a basic unit, and each monitoring unit is provided with one group of monitoring units.
Preferably, the method also comprises a control method of the park power quality analysis system, and specifically comprises the following steps;
s1, connecting the monitoring unit with a power supply of an object to be monitored through a mutual inductor, wherein a power quality regulator is arranged between the monitoring unit and the communication module; the power quality regulator is in communication connection with the scheme execution module; the monitoring units are in a plurality of groups, one building is taken as a basic unit, and each building is provided with one group of monitoring units; the power parameter detecting device is used for detecting the power parameter of the power supply of the object to be detected;
s2, transmitting the data detected and collected by the monitoring unit to a data acquisition module through wireless communication equipment; the data acquisition module classifies and summarizes the collected data and transmits the data to the internet cloud for storage;
s3, the collected power quality data are interpreted through a data analysis module; during reading, firstly, a data classification module separates voltage parameters, waveform parameters and frequency parameters in the collected power quality parameters, then a data comparison module compares the collected voltage parameters, waveform parameters and frequency parameters in the power quality with all parameters in a preset ideal state, and finally a data publishing module outputs the compared result data to a display for displaying; the problems of the electric energy quality of the park can be conveniently and timely known;
s4, importing the prepared scheme through a scheme importing module, and importing different solutions according to different factors of different units; the scheme storage module stores a plurality of groups of solutions for solving the problem of the quality of the electric energy; searching a corresponding solution through a scheme searching module according to the reason causing the power quality; when the data storage module carries out induction, classification induction is carried out according to different seasons, day and night; the system comprises a power supply management system, a power supply management system and a power supply management system, wherein classification and induction are carried out in the day and at night according to a power consumption peak period, a power consumption low peak period and a normal time end, so that later-stage searching is facilitated;
s5, after searching a proper solution, solving the unstable situation of large fluctuation of power quality caused by different factors of different units through a solution execution module;
and S6, when the system needs to be updated, adding or deleting the solution of the problem through the solution adding and reducing module.
Compared with the prior art, the invention has the following beneficial technical effects: the quality of the electric energy to be detected is effectively analyzed and controlled, the accuracy is high, and the problems of unstable voltage in a park, harmonic waves generated in the normal work of a generator, harmonic waves generated by each voltage transformation device in a power grid and harmonic waves generated by direct-current transmission are effectively solved in time; the practicability is good.
Drawings
FIG. 1 is a system block diagram of one embodiment of the present invention;
FIG. 2 is a block diagram of a data parsing module;
FIG. 3 is a block diagram of a scenario import module.
Detailed Description
As shown in fig. 1 to 3, the power quality analysis system for a park according to the present invention includes a monitoring unit, a communication module, a data storage module, a data acquisition module, a data analysis module, a plan importing module, and a plan executing module; the communication module is respectively in communication connection with the monitoring unit and the data acquisition module, and the data acquisition module is positioned at the output end of the communication module; the data storage module and the data analysis module are respectively in communication connection with the data acquisition module, the method import module is respectively in communication connection with the data analysis module and the scheme execution module, and the scheme execution module is positioned at the output end of the scheme import module;
the monitoring unit is connected with a power supply of an object to be monitored through a mutual inductor and is used for detecting the electric energy parameters of the power supply of the object to be monitored;
the communication module is used for transmitting the data detected and collected by the monitoring unit to a receiving end;
the data acquisition module is used for collecting the electric energy parameters detected by the monitoring unit;
the data storage module is used for classifying and summarizing the collected data and transmitting the data to the Internet cloud for storage;
the data analysis module is used for reading the collected power quality data and converting the electric signals into data parameters for the convenience of reading and identification of monitoring personnel;
the scheme import module is used for importing the prepared scheme and importing different solutions according to different factors of different units;
and the scheme execution module is used for solving the unstable situation of large fluctuation of the power quality caused by different factors of different units through the scheme.
In an optional embodiment, the data analysis module comprises a data classification module, a data comparison module and a data publishing module;
the data classification module is used for separating voltage parameters, waveform parameters and frequency parameters in the collected power quality parameters;
the data comparison module is used for comparing the collected voltage parameters, waveform parameters and frequency parameters in the electric energy quality with all parameters in a preset ideal state;
and the data publishing module is used for outputting the compared result data to a display for displaying.
In an optional embodiment, the scheme importing module comprises a scheme storage module, a scheme searching module and a scheme increasing and decreasing module;
the scheme storage module is used for storing a plurality of groups of solutions for solving the problem of the quality of the electric energy;
a scheme searching module for searching a corresponding solution according to a cause causing the power quality;
and the scheme adding module is used for adding or deleting the scheme for solving the problem.
In an optional embodiment, a power quality regulator is arranged between the monitoring unit and the communication module, and the power quality regulator is in communication connection with the scheme execution module.
In an optional embodiment, when induction is carried out in the data storage module, classified induction is carried out according to different seasons, day and night; wherein, the classification and induction are carried out in the daytime and at night according to the peak period of power consumption, the peak period of power consumption and the normal time.
In an alternative embodiment, the communication module is a wireless communication device.
In an alternative embodiment, the system has a voltage regulator at the power input.
In an alternative embodiment, the monitoring units are multiple groups, and one monitoring unit is taken as a basic unit, and each monitoring unit is provided with one group of monitoring units.
The invention also provides a control method of the park electric energy quality analysis system, which comprises the following steps;
s1, connecting the monitoring unit with a power supply of an object to be monitored through a mutual inductor, wherein a power quality regulator is arranged between the monitoring unit and the communication module; the power quality regulator is in communication connection with the scheme execution module; the monitoring units are in a plurality of groups, one building is taken as a basic unit, and each building is provided with one group of monitoring units; the power parameter detecting device is used for detecting the power parameter of the power supply of the object to be detected;
s2, transmitting the data detected and collected by the monitoring unit to a data acquisition module through wireless communication equipment; the data acquisition module classifies and summarizes the collected data and transmits the data to the internet cloud for storage;
s3, the collected power quality data are interpreted through a data analysis module; during reading, firstly, a data classification module separates voltage parameters, waveform parameters and frequency parameters in the collected power quality parameters, then a data comparison module compares the collected voltage parameters, waveform parameters and frequency parameters in the power quality with all parameters in a preset ideal state, and finally a data publishing module outputs the compared result data to a display for displaying; the problems of the electric energy quality of the park can be conveniently and timely known;
s4, importing the prepared scheme through a scheme importing module, and importing different solutions according to different factors of different units; the scheme storage module stores a plurality of groups of solutions for solving the problem of the quality of the electric energy; searching a corresponding solution through a scheme searching module according to the reason causing the power quality; when the data storage module carries out induction, classification induction is carried out according to different seasons, day and night; the system comprises a power supply management system, a power supply management system and a power supply management system, wherein classification and induction are carried out in the day and at night according to a power consumption peak period, a power consumption low peak period and a normal time end, so that later-stage searching is facilitated;
s5, after searching a proper solution, solving the unstable situation of large fluctuation of power quality caused by different factors of different units through a solution execution module;
and S6, when the system needs to be updated, adding or deleting the solution of the problem through the solution adding and reducing module.
The embodiments of the present invention have been described in detail with reference to the drawings, but the present invention is not limited thereto, and various changes can be made within the knowledge of those skilled in the art without departing from the gist of the present invention.
Claims (9)
1. A park electric energy quality analysis system is characterized by comprising a monitoring unit, a communication module, a data storage module, a data acquisition module, a data analysis module, a scheme import module and a scheme execution module; the communication module is respectively in communication connection with the monitoring unit and the data acquisition module, and the data acquisition module is positioned at the output end of the communication module; the data storage module and the data analysis module are respectively in communication connection with the data acquisition module, the method import module is respectively in communication connection with the data analysis module and the scheme execution module, and the scheme execution module is positioned at the output end of the scheme import module;
the monitoring unit is connected with a power supply of an object to be monitored through a mutual inductor and is used for detecting the electric energy parameters of the power supply of the object to be monitored;
the communication module is used for transmitting the data detected and collected by the monitoring unit to a receiving end;
the data acquisition module is used for collecting the electric energy parameters detected by the monitoring unit;
the data storage module is used for classifying and summarizing the collected data and transmitting the data to the Internet cloud for storage;
the data analysis module is used for reading the collected power quality data and converting the electric signals into data parameters for the convenience of reading and identification of monitoring personnel;
the scheme import module is used for importing the prepared scheme and importing different solutions according to different factors of different units;
and the scheme execution module is used for solving the unstable situation of large fluctuation of the power quality caused by different factors of different units through the scheme.
2. The park electric energy quality analysis system according to claim 1, wherein the data analysis module comprises a data classification module, a data comparison module and a data release module;
the data classification module is used for separating voltage parameters, waveform parameters and frequency parameters in the collected power quality parameters;
the data comparison module is used for comparing the collected voltage parameters, waveform parameters and frequency parameters in the electric energy quality with all parameters in a preset ideal state;
and the data publishing module is used for outputting the compared result data to a display for displaying.
3. The campus power quality analysis system of claim 1 wherein the project introduction module comprises a project storage module, a project search module and a project increase and decrease module;
the scheme storage module is used for storing a plurality of groups of solutions for solving the problem of the quality of the electric energy;
a scheme searching module for searching a corresponding solution according to a cause causing the power quality;
and the scheme adding module is used for adding or deleting the scheme for solving the problem.
4. The power quality analysis system of claim 3, wherein a power quality controller is disposed between the monitoring unit and the communication module, and the power quality controller is communicatively connected to the scenario execution module.
5. The power quality analysis system of claim 1, wherein when induction is performed in the data storage module, induction is performed according to different seasons, day and night; wherein, the classification and induction are carried out in the daytime and at night according to the peak period of power consumption, the peak period of power consumption and the normal time.
6. The power quality analysis system of claim 1, wherein the communication module is a wireless communication device.
7. The power quality analysis system of claim 1, wherein the system power input is provided with a voltage regulator.
8. The power quality analysis system of claim 1, wherein the monitoring units are in groups, and each group of monitoring units is provided with a group of monitoring units, and each group is used as a basic unit.
9. The campus power quality analyzing system according to any one of claims 1 to 8, further comprising a control method of the campus power quality analyzing system, specifically comprising the steps of;
s1, connecting the monitoring unit with a power supply of an object to be monitored through a mutual inductor, wherein a power quality regulator is arranged between the monitoring unit and the communication module; the power quality regulator is in communication connection with the scheme execution module; the monitoring units are in a plurality of groups, one building is taken as a basic unit, and each building is provided with one group of monitoring units; the power parameter detecting device is used for detecting the power parameter of the power supply of the object to be detected;
s2, transmitting the data detected and collected by the monitoring unit to a data acquisition module through wireless communication equipment; the data acquisition module classifies and summarizes the collected data and transmits the data to the internet cloud for storage;
s3, the collected power quality data are interpreted through a data analysis module; during reading, firstly, a data classification module separates voltage parameters, waveform parameters and frequency parameters in the collected power quality parameters, then a data comparison module compares the collected voltage parameters, waveform parameters and frequency parameters in the power quality with all parameters in a preset ideal state, and finally a data publishing module outputs the compared result data to a display for displaying; the problems of the electric energy quality of the park can be conveniently and timely known;
s4, importing the prepared scheme through a scheme importing module, and importing different solutions according to different factors of different units; the scheme storage module stores a plurality of groups of solutions for solving the problem of the quality of the electric energy; searching a corresponding solution through a scheme searching module according to the reason causing the power quality; when the data storage module carries out induction, classification induction is carried out according to different seasons, day and night; the system comprises a power supply management system, a power supply management system and a power supply management system, wherein classification and induction are carried out in the day and at night according to a power consumption peak period, a power consumption low peak period and a normal time end, so that later-stage searching is facilitated;
s5, after searching a proper solution, solving the unstable situation of large fluctuation of power quality caused by different factors of different units through a solution execution module;
and S6, when the system needs to be updated, adding or deleting the solution of the problem through the solution adding and reducing module.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115222211A (en) * | 2022-06-21 | 2022-10-21 | 内蒙古电力(集团)有限责任公司内蒙古电力科学研究院分公司 | A power and energy intelligent analysis and control system based on Internet of Things technology |
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| CN204497840U (en) * | 2014-09-26 | 2015-07-22 | 山东金美亚电力科技有限公司 | Intelligent power quality comprehensive is controlled to covering device |
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| CN112630558A (en) * | 2020-11-25 | 2021-04-09 | 广东电网有限责任公司电力科学研究院 | Park electric energy quality analysis system and control method |
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- 2021-08-20 CN CN202110957289.6A patent/CN113740641A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN204497840U (en) * | 2014-09-26 | 2015-07-22 | 山东金美亚电力科技有限公司 | Intelligent power quality comprehensive is controlled to covering device |
| CN109301935A (en) * | 2018-10-11 | 2019-02-01 | 云南电网有限责任公司玉溪供电局 | A kind of monitoring method and system of power quality operation decision support |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN115222211A (en) * | 2022-06-21 | 2022-10-21 | 内蒙古电力(集团)有限责任公司内蒙古电力科学研究院分公司 | A power and energy intelligent analysis and control system based on Internet of Things technology |
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