CN112432671A - Transformer substation electromagnetic environment data monitoring system and monitoring method - Google Patents
Transformer substation electromagnetic environment data monitoring system and monitoring method Download PDFInfo
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Abstract
The invention discloses an intelligent management system and method for electromagnetic environment data of a transformer substation, which can realize synchronous acquisition, intelligent storage and analysis application of electromagnetic environment and temperature, humidity and meteorological data of the transformer substation by simultaneously acquiring six parameters, namely a power frequency electric field, a power frequency magnetic field, temperature, humidity, longitude and latitude of a measurement point required by the transformer substation on site, thereby reducing the on-site workload, simplifying the on-site measurement process, improving the monitoring and management level of the electromagnetic environment and providing powerful support for intelligent storage and application of the electromagnetic environment data.
Description
Technical Field
The invention relates to the field of power grid environment protection, in particular to a transformer substation electromagnetic environment data monitoring system and a monitoring method.
Background
At present, electromagnetic measuring instruments used in China mainly depend on electromagnetic measuring instruments imported by companies such as PMM, Narda and HOLADAY, and domestic researched products are not high in market popularization rate. However, the existing import instruments are generally used for field measurement, cannot perform long-time monitoring and data storage, have poor measurement and analysis functions, are all one-to-one measurement, cannot realize distributed measurement, need to manually record data, are inconvenient to operate, are difficult to realize simultaneous monitoring of multiple monitoring point data and realize data sharing, and are expensive.
On the other hand, meteorological parameters have certain influence on the measurement of the electromagnetic environment, and the DLT988 'method for measuring the power frequency electric field and the magnetic field of the transformer substation' has clear requirements, so that in order to avoid the current leakage through a bracket of a measuring instrument, the environment humidity during the measurement of the power frequency electric field and the magnetic field is below 80%, and the environment temperature and the environment humidity during the measurement are recorded. The existing measuring instruments are not provided with integrated temperature and humidity sensors, a thermometer and a hygrometer are needed to be arranged besides power frequency electromagnetic field measuring equipment when electromagnetic environment field measurement is carried out, measurement and synchronous manual data recording are carried out, at least 3 field measuring personnel are needed, and manual data sorting and analysis are needed in the later period. Meanwhile, the measurement bracket has certain influence on the measurement result after being wetted under the condition that the humidity exceeds 80%, so that the measurement result is larger.
Therefore, the existing field measurement mode and data management and analysis need to consume large manpower, and the data management is dispersive and the intelligent degree is low.
Disclosure of Invention
The invention aims to provide a transformer substation electromagnetic environment data monitoring system and a monitoring method, which can realize the acquisition, storage and application of transformer substation electromagnetic environment and humiture meteorological data by simultaneously acquiring six parameters, namely a power frequency electric field, a power frequency magnetic field, temperature, humidity, longitude and latitude, of a measurement point position required by a transformer substation on site, thereby reducing the on-site workload, simplifying the on-site measurement process and providing powerful support for the intelligent storage and application of electromagnetic environment data.
In order to achieve the purpose, the invention adopts the technical scheme that:
the utility model provides a transformer substation electromagnetic environment data monitoring system, the system includes power frequency electromagnetic field and humiture monitoring module, measures tripod and information management platform, the information management platform passes through on-the-spot power frequency electromagnetic field of network connection and humiture monitoring module, the information management platform includes map data display module, monitoring data management module, data query module, trend analysis module, report management module and system management module, power frequency electromagnetic field and humiture monitoring module realize through wireless communication with the data interaction of information management platform.
The power frequency electromagnetic field and temperature and humidity monitoring module synchronously acquires power frequency electric field, power frequency magnetic field, temperature, humidity and GPS coordinate data of the same measuring point in real time, the data acquisition group number of the same measuring point is set by self and then is obtained by taking an average value, the group number is read every 1min under the default condition, and the average value of 5min is taken as a measurement reading.
The power frequency electromagnetic field and temperature and humidity monitoring module is internally provided with an LCD display screen, and the currently measured power frequency electric field, power frequency magnetic field, temperature, humidity, longitude and latitude data are displayed on site in real time through the LCD display screen.
The power frequency electromagnetic field and temperature and humidity monitoring module is internally provided with a wireless communication memory card, and the measured data is sent to the information management platform server in real time through the wireless communication module to dynamically store the data; if the field network signal is not good or the communication is interrupted, the measured data is stored in the built-in memory card, and the data is automatically uploaded when the network signal is automatically detected to be strong or the communication is recovered.
The measurement triangular bracket is sprayed with PRTV anti-pollution flashover super-hydrophobic coating on the basis of the existing measurement wooden bracket, the surface insulation condition of the bracket under the high humidity condition can be ensured, the power frequency electric field measurement distortion caused by the wetting of the surface of the bracket is eliminated, and the bracket is used for supporting a power frequency electric field and a temperature and humidity measurement module on site.
The information management platform comprises a map data display module, a monitoring data management module, a data query module, a trend analysis module, a report management module and a system management module.
The map data display module is used for displaying the data distribution of the power frequency electric field and the power frequency magnetic field of the measured transformer substation visually and vividly in different colors (0-2 kV/m green, 2-4 kV/m blue, 4-6 kV/m orange and red more than 6 kV/m) by superposing GPS data and monitoring data acquired by the power frequency electromagnetic field and temperature and humidity module on a GIS base map of the measured transformer substation, and displaying the maximum value of the measured transformer substation by adopting a highlight icon.
The monitoring data management module realizes real-time display of six parameter values of a power frequency electric field, a power frequency magnetic field, temperature, humidity, longitude and latitude of each measuring point in a chart form according to different transformer substation measuring point information.
The data query module provides information of different transformer substation measuring points to perform query according to different measuring time, statistical query of historical data of the measuring transformer substation and query of relevant technical standards of electromagnetic environment monitoring.
The trend analysis module realizes regular distribution of the whole station power frequency electric field/power frequency magnetic field of the transformer substation in the same measurement time period.
The report management module realizes automatic generation of the substation measurement data according to a standard measurement template.
The system management is to maintain the basic information of the measurement substation, the user authority and the operation log.
The invention also provides a transformer substation electromagnetic environment data monitoring method by utilizing the transformer substation electromagnetic environment data monitoring system, and the detection method comprises the following steps:
step 1: before measurement, the power frequency electromagnetic field and temperature and humidity monitoring module needs to be screwed on a measuring triangular bracket with a PRTV (surface-spraying TV) coated surface to play a role in fixing, and the triangular bracket can be directly moved when a measuring point is moved;
step 2: and a power frequency electric field real-time value acquired by monitoring a power frequency electric field, a power frequency magnetic field real-time value acquired by monitoring the power frequency magnetic field, a temperature real-time value acquired by monitoring temperature, a humidity real-time value acquired by monitoring humidity and a GPS coordinate value of a measurement point position acquired by a GPS module in the power frequency electromagnetic field and temperature and humidity monitoring module are stored in a memory card in real time in a clock synchronization mode.
And step 3: the power frequency electric field monitoring, the power frequency magnetic field monitoring, the temperature monitoring, the humidity monitoring and six parameters of the power frequency electric field, the power frequency magnetic field, the temperature, the humidity, the longitude and the latitude which are synchronously collected in the GPS module are stored in a 4G memory card in real time, and the measurement data show the measurement data of the current measuring point in real time in a built-in LCD display screen. Meanwhile, the measured data is sent to a server of the information management platform in real time through the wireless communication module to dynamically store the data; if the field network signal is not good or the communication is interrupted, the measured data is stored in the built-in memory card firstly, and the data is automatically uploaded when the network signal is automatically detected to be strong or the communication is recovered;
and 4, step 4: the power frequency electromagnetic field and temperature and humidity monitoring module is obtained by taking an average value after the data acquisition group number of the same measuring point is set by self, reading the group number every 1min under the default condition, and taking the average value of 5min as the measurement reading. After data acquisition of one measuring point is finished, moving a power frequency electromagnetic field and temperature and humidity monitoring module fixed on a measuring triangular support to the next measuring point until the measurement of a sensitive point in the whole transformer substation is finished;
and 5: the information management platform is connected with the field power frequency electromagnetic field and the temperature and humidity monitoring module through a network, and background automatic management and analysis of field measurement data are achieved.
The invention has the following advantages:
1. the invention constructs a transformer substation electromagnetic environment data intelligent management method and system, and realizes synchronous acquisition, intelligent storage and analysis application of transformer substation electromagnetic environment, meteorological and coordinate data through a power frequency electromagnetic field and temperature and humidity measurement module, a measurement triangular support and an information management platform.
2. According to the invention, electromagnetic environment data and GPS data of a measured transformer substation are superposed on a GIS base map of the transformer substation, the data distribution of a power frequency electric field and a power frequency magnetic field of the measured transformer substation is visually and vividly displayed in different colors (green of 0-2 kV/m, blue of 2-4 kV/m, orange of 4-6 kV/m and red of more than 6 kV/m), and the maximum value of the whole measured transformer substation is displayed by adopting a highlight icon.
3. The measurement triangular bracket is sprayed with PRTV anti-pollution flashover super-hydrophobic coating on the basis of the existing measured wooden bracket, the surface insulation condition of the bracket under the high humidity condition can be ensured, the power frequency electric field measurement distortion caused by the damp on the surface of the bracket is eliminated, and the bracket is used for supporting a power frequency electric field and a temperature and humidity measurement module on site.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the system of the present invention
Detailed Description
The present invention is described in further detail below with reference to the attached drawing figures.
The invention is applied to the monitoring of electromagnetic environment in an environment sensitive area of a transformer substation, provides a transformer substation electromagnetic environment data intelligent management method and a transformer substation electromagnetic environment data intelligent management system, and aims at the current transformer substation electromagnetic environment data acquisition situation, the transformer substation electromagnetic environment data intelligent management system is established, and the acquisition, storage and application of transformer substation electromagnetic environment and humiture meteorological data are realized by simultaneously acquiring six parameters of a power frequency electric field, a power frequency magnetic field, temperature, humidity, longitude and latitude of a measurement point position required by a transformer substation site, so that the site workload is reduced, the site measurement process is simplified, and powerful support is provided for the intelligent storage and application of electromagnetic environment data.
As shown in fig. 1, the invention is a structural diagram of an overall structure of a transformer substation electromagnetic environment data intelligent management method and system, and the transformer substation electromagnetic environment data intelligent management method and system is composed of a power frequency electromagnetic field and temperature and humidity monitoring module 1, a measurement triangular support 2 and an information management platform 3.
The power frequency electromagnetic field and temperature and humidity monitoring module 1 is composed of a power frequency electric field monitoring module 1.1, a power frequency magnetic field monitoring module 1.2, a temperature monitoring module 1.3, a humidity monitoring module 1.4, a GPS module 1.5, a memory card 1.6, a wireless communication module 1.7 and an LCD display screen 1.8. The real-time values of the power frequency electric field collected by the power frequency electric field monitoring 1.1, the real-time values of the power frequency magnetic field collected by the power frequency magnetic field monitoring 1.2, the real-time values of the temperature collected by the temperature monitoring 1.3, the real-time values of the humidity collected by the humidity monitoring 1.4 and the GPS coordinate values of the measurement points collected by the GPS module 1.5 are stored in the memory card 1.6 in real time in a clock synchronization mode.
The power frequency electromagnetic field and temperature and humidity monitoring module 1 is internally provided with a 4G memory card 1.6, and the measured data can be sent to a server of the information management platform 3 in real time through a wireless communication module 1.7 to dynamically store the data; if the field network signal is not good or the communication is interrupted, the measured data is stored in the built-in memory card, and the data is automatically uploaded when the network signal is automatically detected to be strong or the communication is recovered.
The power frequency electromagnetic field and temperature and humidity monitoring module 1 is internally provided with an LCD display screen 1.8, and can display currently measured power frequency electric field, power frequency magnetic field, temperature, humidity, longitude and latitude data on site in real time through the LCD display screen.
The measurement triangular support 2 is sprayed with PRTV anti-pollution flashover super-hydrophobic coating on the basis of the existing measurement wooden support, the surface insulation condition of the support under the high humidity condition can be ensured, power frequency electric field measurement distortion caused by wetting of the surface of the support is eliminated, and the support is used for supporting a power frequency electric field and a temperature and humidity measurement module on site.
The information management platform 3 comprises six functional modules, namely a map data display module 3.1, a monitoring data management module 3.2, a data query module 3.3, a trend analysis module 3.4, a report management module 3.5 and a system management module 3.6.
A transformer substation electromagnetic environment data intelligent management method comprises the following steps:
step 1: before measurement, the power frequency electromagnetic field and temperature and humidity monitoring module 1 needs to be screwed on a measuring triangular support 2 with a PRTV (surface spray mounted TV) coated on the surface to play a fixing role, and the triangular support 2 can be directly moved when a measuring point is moved.
Step 2: the real-time values of the power frequency electric field collected by the power frequency electric field monitoring module 1.1, the real-time values of the power frequency magnetic field collected by the power frequency magnetic field monitoring module 1.2, the real-time values of the temperature collected by the temperature monitoring module 1.3, the real-time values of the humidity collected by the humidity monitoring module 1.4 and the GPS coordinate values of the measurement points collected by the GPS module 1.5 are stored in the memory card 1.6 in a clock synchronization manner in real time.
And step 3: the power frequency electric field monitoring device comprises a power frequency electric field monitoring device 1.1, a power frequency magnetic field monitoring device 1.2, a temperature monitoring device 1.3, a humidity monitoring device 1.4 and a GPS module 1.5, wherein six parameters of the power frequency electric field, the power frequency magnetic field, the temperature, the humidity, the longitude and the latitude which are synchronously acquired in the power frequency electric field monitoring device 1.1, the power frequency magnetic field monitoring device 1.2, the humidity monitoring device 1.3 and the humidity monitoring device 1.4 are stored in a 4G memory card 1.. Meanwhile, the measured data is sent to a server of the information management platform 3 in real time through the wireless communication module 1.7 to dynamically store the data; if the field network signal is not good or the communication is interrupted, the measured data is stored in the built-in memory card 1.6, and the data is automatically uploaded when the network signal is detected to be strong or the communication is recovered.
And 4, step 4: the power frequency electromagnetic field and temperature and humidity monitoring module 1 can be obtained by averaging the data acquisition groups at the same measuring point after the data acquisition groups are set by self, reading one group of data every 1min under the default condition, and taking the average value of 5min as the measurement reading. And when the data acquisition of one measuring point is finished, moving the power frequency electromagnetic field and temperature and humidity monitoring module 1 fixed on the measuring triangular support 2 to the next measuring point until the measurement of the sensitive point in the whole transformer substation is finished.
And 5: the information management platform 3 is connected with the field power frequency electromagnetic field and the temperature and humidity monitoring module 1 through a network, and background automatic management and analysis of field measurement data are achieved.
The map data display module is used for displaying the data distribution of the power frequency electric field and the power frequency magnetic field of the measured transformer substation visually and vividly in different colors (0-2 kV/m green, 2-4 kV/m blue, 4-6 kV/m orange and red more than 6 kV/m) by superposing GPS data and monitoring data acquired by the power frequency electromagnetic field and temperature and humidity module on a GIS base map of the measured transformer substation, and displaying the maximum value of the measured transformer substation by adopting a highlight icon.
The monitoring data management module realizes real-time display of six parameter values of a power frequency electric field, a power frequency magnetic field, temperature, humidity, longitude and latitude of each measuring point in a chart form according to different transformer substation measuring point information.
The data query module provides information of different transformer substation measuring points to perform query according to different measuring time, statistical query of historical data of the measuring transformer substation and query of relevant technical standards of electromagnetic environment monitoring.
The trend analysis module realizes regular distribution of the whole station power frequency electric field/power frequency magnetic field of the transformer substation in the same measurement time period, and visually displays the point positions of the maximum value and the minimum value of the power frequency electromagnetic field of the transformer substation in a legend mode.
The report management is realized by automatically generating the substation measurement data according to a standard measurement template.
The system management is to maintain the basic information of the measurement substation, the user authority and the operation log.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention. Those not described in detail in this specification are within the skill of the art.
Claims (10)
1. The utility model provides a transformer substation's electromagnetic environment data monitoring system which characterized in that, the system includes power frequency electromagnetic field and humiture monitoring module, measures A-frame and information management platform:
an information management platform: the field power frequency electromagnetic field and the temperature and humidity monitoring module are connected through a network;
power frequency electromagnetic field and humiture monitoring module: the data interaction with the information management platform is realized through wireless communication, the power frequency electromagnetic field and temperature and humidity monitoring module synchronously acquires power frequency electric field, power frequency magnetic field, temperature, humidity and GPS coordinate data of the same measuring point in real time, the data acquisition group number of the same measuring point is set by itself and then is obtained by taking an average value, one group number is read every 1min under the default condition, and the average value of 5min is taken as a measurement reading; the power frequency electromagnetic field and temperature and humidity monitoring module is internally provided with an LCD display screen, and displays currently measured power frequency electric field, power frequency magnetic field, temperature, humidity, longitude and latitude data on site in real time through the LCD display screen, the power frequency electromagnetic field and temperature and humidity monitoring module is internally provided with a wireless communication memory card, and the measured data is sent to an information management platform server through the wireless communication module in real time to be dynamically stored; if the field network signal is not good or the communication is interrupted, the measured data is stored in the built-in memory card firstly, and the data is automatically uploaded when the network signal is automatically detected to be strong or the communication is recovered;
measuring a triangular support: the PRTV anti-pollution flashover super-hydrophobic coating is sprayed on the basis of the existing measured wooden support, the surface insulation condition of the support under the high humidity condition is ensured, the power frequency electric field measurement distortion caused by the fact that the surface of the support is affected with damp is eliminated, and the support is used for supporting a power frequency electric field and a temperature and humidity measurement module on site.
2. The substation electromagnetic environment data monitoring system of claim 1, wherein the information management platform comprises a map data presentation module, a monitoring data management module, a data query module, a trend analysis module, a report management module, and a system management module.
3. The substation electromagnetic environment data monitoring system of claim 2, wherein the map data display module is used for displaying the distribution of the power frequency electric field and the power frequency magnetic field of the measured substation visually in different colors by superposing the GPS data and the monitoring data acquired by the power frequency electromagnetic field and temperature and humidity module on the GIS base map of the measured substation, and displaying the maximum value of the measured substation by using a highlight icon.
4. The substation electromagnetic environment data monitoring system of claim 3, wherein the different colors comprise 0-2 kV/m green, 2-4 kV/m blue, 4-6 kV/m orange, and 6kV/m or more red.
5. The substation electromagnetic environment data monitoring system of claim 2, wherein the monitoring data management module graphically displays six parameter values of power frequency electric field, power frequency magnetic field, temperature, humidity, longitude and latitude of each measuring point in real time according to different substation measuring point information.
6. The substation electromagnetic environment data monitoring system of claim 2, wherein the data query module provides information of different substation stations for querying according to different measurement times, statistical query of historical data of the measured substation, and query of relevant technical standards of electromagnetic environment monitoring.
7. The substation electromagnetic environment data monitoring system of claim 2, wherein the trend analysis module is configured to implement a regular distribution of power frequency electric fields/power frequency magnetic fields of the entire substation within the same measurement time period.
8. The substation electromagnetic environment data monitoring system of claim 2, wherein the report management module enables automatic generation of substation measurement data according to standard measurement templates.
9. The substation electromagnetic environment data monitoring system of claim 2, wherein the system management module is to enable maintenance of basic information of the measurement substation, user rights and operation logs.
10. A substation electromagnetic environment data monitoring system according to any of claims 1-9, the monitoring method of said system comprising the steps of:
step 1: before measurement, the power frequency electromagnetic field and temperature and humidity monitoring module needs to be screwed on a measuring triangular bracket with a PRTV (surface-spraying TV) coated surface to play a fixing role, and the triangular bracket can be directly moved when a measuring point is moved;
step 2: and a power frequency electric field real-time value acquired by monitoring a power frequency electric field, a power frequency magnetic field real-time value acquired by monitoring the power frequency magnetic field, a temperature real-time value acquired by monitoring temperature, a humidity real-time value acquired by monitoring humidity and a GPS coordinate value of a measurement point position acquired by a GPS module in the power frequency electromagnetic field and temperature and humidity monitoring module are stored in a memory card in real time in a clock synchronization mode.
And step 3: the power frequency electric field monitoring, the power frequency magnetic field monitoring, the temperature monitoring, the humidity monitoring and six parameters of the power frequency electric field, the power frequency magnetic field, the temperature, the humidity, the longitude and the latitude which are synchronously collected in the GPS module are stored in a memory card in real time, and the measurement data show the measurement data of the current measuring point in real time in a built-in LCD display screen. Meanwhile, the measured data is sent to a server of the information management platform in real time through the wireless communication module to dynamically store the data; if the field network signal is not good or the communication is interrupted, the measured data is stored in the built-in memory card firstly, and the data is automatically uploaded when the network signal is automatically detected to be strong or the communication is recovered;
and 4, step 4: the power frequency electromagnetic field and temperature and humidity monitoring module is obtained by taking an average value after the data acquisition group number of the same measuring point is set by self, reading the group number every 1min under the default condition, and taking the average value of 5min as the measurement reading. After data acquisition of one measuring point is finished, moving a power frequency electromagnetic field and temperature and humidity monitoring module fixed on a measuring triangular support to the next measuring point until the measurement of a sensitive point in the whole transformer substation is finished;
and 5: the information management platform is connected with the field power frequency electromagnetic field and the temperature and humidity monitoring module through a network, and background automatic management and analysis of field measurement data are achieved.
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| CN113804983A (en) * | 2021-09-23 | 2021-12-17 | 北京森馥科技股份有限公司 | Power frequency electric field measuring device, system and method |
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| CN106871961A (en) * | 2017-01-23 | 2017-06-20 | 国网山东省电力公司电力科学研究院 | Overall process, round-the-clock electromagnetic environment monitoring system and method |
| CN213632239U (en) * | 2020-12-16 | 2021-07-06 | 国网山西省电力公司电力科学研究院 | Transformer substation electromagnetic environment data monitoring system |
Cited By (1)
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| CN113804983A (en) * | 2021-09-23 | 2021-12-17 | 北京森馥科技股份有限公司 | Power frequency electric field measuring device, system and method |
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