CN112698073A - Remote power quality monitoring system based on regional server - Google Patents
Remote power quality monitoring system based on regional server Download PDFInfo
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Abstract
The application relates to a remote power quality monitoring system based on a regional server. The remote power quality monitoring system based on the regional server comprises a monitoring module, a transmission module and the regional server; the monitoring module acquires the electric energy parameters of each monitoring point in the monitoring area and judges the electric energy quality of each monitoring point according to the electric energy parameters; the power quality of each monitoring point is sent to a regional server in a monitoring region; the regional server receives the power quality of each monitoring point sent by the monitoring module; and the power quality of each monitoring point is sent through a transmission module in the monitoring area. In the embodiment of the application, the power quality of each monitoring point is judged through the monitoring module, the power quality of each monitoring point is received through the regional server, and the power quality of each monitoring point is sent through the transmission module, so that the remote monitoring of the power quality of each monitoring point can be realized, the power quality monitoring cost can be reduced, and the monitoring real-time performance is improved.
Description
Technical Field
The application relates to the technical field of power quality monitoring, in particular to a remote power quality monitoring system based on a regional server.
Background
With the development of society, the power quality problem has attracted great attention. The quality of electric energy is not only related to the safe and economic operation of electric power enterprises, but also affects the safe operation and the product quality of electric power users. Therefore, in order to reliably maintain the common interests of power enterprises and power consumers, ensure safe operation of power, and purify the electrical environment, it is necessary to enhance management of power quality. Currently, power quality can be monitored using a power quality monitor. The power quality monitors are arranged on any node in a power grid when in use, and the power grid is generally provided with a plurality of nodes, so that the distribution of the power quality monitors is very wide.
However, since the power quality monitor is an on-site on-line monitoring device, a worker must be arranged at each monitoring point for on-site monitoring, which results in high cost and poor real-time monitoring performance of power quality monitoring.
Disclosure of Invention
Therefore, in order to solve the above technical problems, it is necessary to provide a remote power quality monitoring system based on a regional server, which can reduce the power quality monitoring cost and improve the monitoring real-time performance.
A remote power quality monitoring system based on a regional server comprises a monitoring module, a transmission module and the regional server;
the monitoring module acquires the electric energy parameters of each monitoring point in a monitoring area and judges the electric energy quality of each monitoring point according to the electric energy parameters; sending the power quality of each monitoring point to the regional server in the monitoring region;
the regional server receives the power quality of each monitoring point sent by the monitoring module; and sending the power quality of each monitoring point through the transmission module in the monitoring area.
In one embodiment, the remote power quality monitoring system based on the regional server further comprises acquisition modules;
each acquisition module is used for acquiring the electric energy parameters of each monitoring point in the monitoring area, and the electric energy parameters comprise current, voltage and frequency.
In one embodiment, each of the acquisition modules comprises a current acquisition unit, a voltage acquisition unit, a frequency acquisition unit and an analog-to-digital conversion unit;
the current acquisition unit is used for acquiring the current of each monitoring point in the monitoring area;
the voltage acquisition unit is used for acquiring the voltage of each monitoring point in the monitoring area;
the frequency acquisition unit is used for acquiring the frequency of each monitoring point in the monitoring area;
the analog-to-digital conversion unit is used for sending the electric energy parameter to the monitoring module.
In one embodiment, the monitoring module comprises a volt-ampere monitoring unit, a power monitoring unit, a harmonic monitoring unit and a flicker monitoring unit;
the volt-ampere monitoring unit is used for monitoring the volt-ampere parameters of each monitoring point in the monitoring area;
the power monitoring unit is used for monitoring the power parameters of each monitoring point in the monitoring area;
the harmonic wave monitoring unit is used for monitoring harmonic wave parameters of each monitoring point in the monitoring area;
and the flicker monitoring unit is used for monitoring flicker parameters of each monitoring point in the monitoring area.
In one embodiment, the transmission module comprises a communication judgment unit, a 5G communication unit, a frequency band communication unit and a communication selection unit;
the communication judging unit is used for judging the communication rate of the 5G communication unit, and when the communication rate of the 5G communication unit is smaller than a set threshold value, the communication judging unit judges the communication rate of each frequency band in the frequency band communication unit;
the communication selection unit is used for selecting the 5G communication unit for communication when the communication rate of the 5G communication unit is greater than a set threshold value; and when the communication rate of the 5G communication unit is smaller than a set threshold value, selecting the frequency band with the maximum communication rate in the frequency band communication unit for communication.
In one embodiment, the remote power quality monitoring system based on the regional server further comprises a general server;
and the general server is used for receiving the electric energy quality of each monitoring point sent by the regional server.
In one embodiment, the overall server includes a data analysis module;
the data analysis module is used for counting and analyzing the power quality of each monitoring point to generate report data and power quality grading data.
In one embodiment, the data analysis module comprises a screening unit, a report generation unit and a quality rating unit;
the screening unit is used for outputting screening parameters according to screening conditions input by a user, wherein the screening parameters comprise monitoring areas, monitoring point numbers, monitoring time and monitoring parameters;
the report generation unit is used for generating corresponding report data according to the screening parameters;
the quality rating unit is used for rating the power quality of each monitoring point according to the screening parameters to generate power quality rating data.
In one embodiment, the remote power quality monitoring system based on the regional server further comprises a monitoring terminal;
the monitoring terminal is used for acquiring the power quality of each monitoring point, the report data and the power quality rating data.
In one embodiment, the monitoring terminal comprises a display module and a modulation module;
the display module is used for displaying the power quality, the report data and the power quality rating data of each monitoring point;
the modulation module is used for generating electric energy modulation parameters according to the electric energy quality of each monitoring point, and the electric energy modulation parameters comprise current modulation parameters, voltage modulation parameters, current compensation parameters and voltage compensation parameters.
The remote power quality monitoring system based on the regional server comprises a monitoring module, a transmission module and the regional server; the monitoring module acquires the electric energy parameters of each monitoring point in the monitoring area and judges the electric energy quality of each monitoring point according to the electric energy parameters; the power quality of each monitoring point is sent to a regional server in a monitoring region; the regional server receives the power quality of each monitoring point sent by the monitoring module; and the power quality of each monitoring point is sent through a transmission module in the monitoring area. In the embodiment of the application, the power quality of each monitoring point is judged through the monitoring module, the power quality of each monitoring point is received through the regional server, and the power quality of each monitoring point is sent through the transmission module, so that the remote monitoring of the power quality of each monitoring point can be realized, the power quality monitoring cost can be reduced, and the monitoring real-time performance is improved.
Drawings
FIG. 1 is a diagram of an application environment of a remote power quality monitoring system based on a regional server in one embodiment;
FIG. 2 is a block diagram of a remote power quality monitoring system based on a regional server in one embodiment;
FIG. 3 is a block diagram of an acquisition module in one embodiment;
FIG. 4 is a block diagram of the structure of a monitoring module in one embodiment;
FIG. 5 is a block diagram of a transmission module in one embodiment;
FIG. 6 is a block diagram of the structure of a data analysis module in one embodiment;
FIG. 7 is a block diagram of a monitor terminal according to one embodiment;
fig. 8 is a schematic diagram of a remote power quality monitoring system based on a regional server in an embodiment.
Detailed Description
In order to make the objects, technical solutions and advantages of the present application more apparent, the present application is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the present application and are not intended to limit the present application.
The remote power quality monitoring system based on the regional server can be applied to the application environment shown in fig. 1. The remote power quality monitoring system based on the regional server can be applied to each monitoring region of the power system. The system includes, among other things, a monitoring module 200, a zone server 300, and a transmission module 400. Specifically, the monitoring module 200 acquires the power parameters of each monitoring point in the monitoring area, and judges the power quality of each monitoring point according to the power parameters; then, the power quality of each monitoring point is sent to the regional server 300 in each monitoring area; the regional server 300 receives the power quality of each monitoring point sent by the monitoring module 200; and the power quality of each monitoring point can be transmitted through the transmission module 400 in the monitoring area.
The monitoring module 200 may be, but is not limited to, various devices capable of monitoring power, such as an online power quality monitor, a portable power quality analyzer, and the like. The area server 300 may be implemented as a stand-alone server or a server cluster composed of a plurality of servers. The transmission module 400 may be, but is not limited to, various devices capable of data transmission, such as a wireless transmission device, a wired transmission device, and the like.
In one embodiment, as shown in fig. 2, a remote monitoring system for power quality based on a region server is provided, which is described by taking the system as an example applied to the monitoring region in fig. 1, and includes a monitoring module 200, a region server 300 and a transmission module 400, wherein:
the monitoring module 200 acquires the electric energy parameters of each monitoring point in the monitoring area, and judges the electric energy quality of each monitoring point according to the electric energy parameters; the power quality of each monitoring point is sent to the regional server 300 in the monitored region.
The regional server 300 receives the power quality of each monitoring point sent by the monitoring module 200; and transmitting the power quality of each monitoring point through the transmission module 400 in the monitoring area.
In one embodiment, the output of the monitoring module 200 is connected to the regional server 300 in the monitored region, and the monitoring module 200 is used for monitoring the power parameters of each monitoring point.
Wherein, there are a plurality of monitoring points in every monitoring area, and the electric energy parameter of every monitoring point can include electric current, voltage, frequency etc..
In one embodiment, after the monitoring module 200 obtains the power parameters of each monitoring point in the monitoring area, the power quality of each monitoring point is determined according to the power parameters. Specifically, the quality of the electric energy at each monitoring point can be judged by measuring parameters such as voltage deviation, voltage fluctuation, frequency deviation and three-phase voltage unbalance.
In which, the Voltage of each monitoring point of the power system changes along with the slow change of the load and the operation mode of the power system changes, and the Voltage Deviation (Voltage Deviation) is the difference between the actual Voltage and the nominal Voltage of the power system. The sum of the absolute values of the positive and negative deviations of the power supply voltage of 35 kilovolts (kV) and above does not exceed 10 percent of the nominal voltage, the deviation of the power supply voltage of 20 kilovolts and below is +/-7 percent of the nominal voltage, and the deviation of the 220-volt single-phase power supply voltage is +7 percent and-10 percent of the nominal voltage. The calculation formula is as follows:
in the formula, Δ U represents a voltage deviation percentage, UNRepresenting the nominal voltage of the power system and U representing the actual voltage.
The Voltage Fluctuation refers to a rapid variation of the effective value of the grid Voltage. The voltage fluctuation value is expressed as a percentage value of the difference between the square root mean value of the maximum voltage and the minimum voltage adjacent to the public power supply point of the user in time to the rated voltage of the power grid. The frequency of the voltage fluctuation is expressed in terms of the number of voltage fluctuations per unit time.
Wherein, the Frequency Deviation (Frequency Deviation) represents the difference between the actual Frequency and the nominal Frequency of the system Frequency under the condition that the power system normally operates. The nominal frequency of the electric power system in China is 50 Hz, the frequency deviation limit value under the normal operation condition of the electric power system is +/-0.2 Hz, and when the capacity of the electric power system is smaller, the frequency deviation limit value can be +/-0.5 Hz.
The Three-Phase Voltage Imbalance (Three Phase Voltage Imbalance) refers to the degree of Three-Phase Imbalance in a Three-Phase power system, and is expressed by the percentage of the root mean square value of a negative sequence component and a positive sequence component of Voltage or current. When the power system normally operates, the negative sequence voltage unbalance degree does not exceed 2 percent, and the short-time negative sequence voltage unbalance degree does not exceed 4 percent.
In one embodiment, the process of sending the power quality to the area server 300 of each monitoring area by the monitoring module 200 of each monitoring area is parallel and does not affect each other.
In one embodiment, the regional server 300 receives the power quality of each monitoring point sent by the monitoring module 200. In which a server exists for each monitoring area, called an area server. The regional server of each monitoring region is used for acquiring the electric energy parameters of the monitoring region where the regional server is located, and the monitoring efficiency of the electric energy quality can be effectively improved.
Specifically, the input end of the area server 300 is connected to the output end of the monitoring module 200, and is configured to receive the power quality of each monitoring point sent by the monitoring module 200, and send the power quality through the transmission module 400. The process of sending the power quality by the area server 300 of each monitoring area through the transmission module 400 of each monitoring area is parallel and does not affect each other.
In one embodiment, the transmission module 400 may adopt a wired transmission mode or a wireless transmission mode, and the area server 300 may select a corresponding transmission mode according to actual situations to achieve a higher data transmission rate.
In one embodiment, the remote power quality monitoring system based on the regional server further comprises each acquisition module 100. Wherein, there are a plurality of monitoring points in every monitoring area, and a plurality of collection module 100 are fixed respectively in the position of each monitoring point in monitoring area, and the output of each collection module 100 is connected to monitoring module 200 in the monitoring area.
In one embodiment, each acquisition module 100 is configured to acquire power parameters of each monitoring point in the monitoring area. Specifically, the power parameters may include current, voltage, frequency, and the like.
The Current (Electron Current) refers to the amount of electricity passing through any cross section of a conductor in unit time, and the international unit of the Current is ampere (a).
Here, the Voltage (Voltage) is a physical quantity that measures an energy difference of a unit charge due to a difference in potential in an electrostatic field, and its international unit is a Voltage (V).
Where Frequency (Frequency) is the number of times a periodic change is made per unit time, and is given in hertz (Hz).
In one embodiment, as shown in fig. 3, each acquisition module 100 includes a current acquisition unit 110, a voltage acquisition unit 120, a frequency acquisition unit 130, and an analog-to-digital conversion unit 140, wherein:
and the current acquisition unit 110 is used for acquiring the current of each monitoring point in the monitoring area.
And the voltage acquisition unit 120 is used for acquiring the voltage of each monitoring point in the monitoring area.
And the frequency acquisition unit 130 is used for acquiring the frequency of each monitoring point in the monitoring area.
The analog-to-digital conversion unit 140 is configured to send the power parameter to the monitoring module 200.
In one embodiment, the current collecting unit 110, the voltage collecting unit 120, the frequency collecting unit 130, and the analog-to-digital converting unit 140 may be separate collecting devices, or may be integrated on the same collecting device, and the collecting device may implement functions of collecting and transmitting various electric energy parameters.
Specifically, the current collecting unit 110 may be any one or more current collecting devices, such as a rotating coil type ammeter, a rotating patch type ammeter, a thermocouple type ammeter, a hot wire type ammeter, and the like. The voltage collecting unit 120 may be any one or more voltage collecting devices, such as an ac voltmeter, a digital voltmeter, and the like. The frequency acquisition unit 130 may be any one or more frequency acquisition devices, such as a counter, a frequency monitor, and the like. The analog-to-digital conversion unit 140 may be any one or more analog-to-digital conversion devices, such as an indirect analog-to-digital converter, a parallel comparison analog-to-digital converter, a successive approximation analog-to-digital converter, and a double integral analog-to-digital converter.
In one embodiment, the acquisition intervals of the acquisition units in each acquisition module 100 for the electric energy parameters of each monitoring point in the monitoring area may be the same or different.
In one embodiment, as shown in fig. 4, the monitoring module 200 includes a voltammetry monitoring unit 210, a power monitoring unit 220, a harmonic monitoring unit 230, and a flicker monitoring unit 240.
And the volt-ampere monitoring unit 210 is used for monitoring the volt-ampere parameters of each monitoring point in the monitoring area.
And the power monitoring unit 220 is used for monitoring the power parameters of each monitoring point in the monitoring area.
And the harmonic monitoring unit 230 is used for monitoring the harmonic parameters of each monitoring point in the monitoring area.
And the flicker monitoring unit 240 is used for monitoring the flicker parameters of each monitoring point in the monitoring area.
In one embodiment, the volt-ampere monitoring unit 210, the power monitoring unit 220, the harmonic monitoring unit 230, and the flicker monitoring unit 240 may be separate monitoring devices or may be integrated on the same monitoring device, and the monitoring device may monitor various power parameters.
Wherein, the volt-ampere characteristic of each monitoring point is represented by a volt-ampere parameter. Specifically, the current-voltage characteristic represents the relationship between the voltage across the element and the current through the element, and can be used to monitor the change law of the resistance of the monitoring point, monitor whether the element is short-circuited, and the like. The voltammetry monitoring unit 210 may be any one or more voltammetry monitoring devices, such as a voltammetry characteristic tester, a voltammetry characteristic integrated tester, and the like.
Wherein the power characteristic of each monitoring point is represented by a power parameter. Specifically, power is a physical quantity that describes how fast and slow work is done. The power monitoring unit 220 may be any one or more power monitoring devices, such as a power meter, a multi-channel power analyzer, and the like.
Among them, a sinusoidal voltage or current having an integral multiple of the frequency of the fundamental wave is called a harmonic. Harmonics are due to the nonlinear characteristics of the power system and the power load equipment. The harmonic monitoring unit 230 may be one or several harmonic monitoring devices, such as a harmonic tester, a harmonic analyzer, and the like.
The voltage flicker is a series of voltage random variation or periodic variation of a power frequency voltage root mean square value, and illumination flicker caused by the voltage flicker, and the main determinants of the flicker are amplitude, frequency, waveform and the like of power supply voltage fluctuation. The flicker monitoring unit 240 may be one or more flicker monitoring devices, such as a flicker meter.
In one embodiment, as shown in fig. 5, the transmission module 400 includes a communication determining unit 410, a 5G communication unit 420, a frequency band communication unit 430, and a communication selecting unit 440.
A communication judging unit 410, configured to judge a communication rate of the 5G communication unit 420, and when the communication rate of the 5G communication unit 420 is smaller than a set threshold, judge a communication rate of each frequency band in the frequency band communication unit 430.
A communication selection unit 440, configured to select the 5G communication unit 420 for communication when the communication rate of the 5G communication unit 420 is greater than a set threshold; when the communication rate of the 5G communication unit 420 is smaller than the set threshold, the frequency band with the largest communication rate in the frequency band communication unit 430 is selected for communication.
In one embodiment, in the case of using wireless transmission, 5G communication or frequency band communication may be employed. Among them, 5G (5th generation mobile networks) is the latest generation cellular mobile communication technology, and has the functions of high data rate, reducing delay, saving energy, reducing cost, and the like, and the 5G communication unit 420 is a unit for performing communication using 5G.
The transmission module 400 includes a plurality of frequency band communication units 430, and the communication frequency bands of the frequency band communication units 430 are different and may include a high frequency, an intermediate frequency, a low frequency, and the like.
In one embodiment, the transmission module 400 includes a communication determining unit 410, a 5G communication unit 420, a frequency band communication unit 430, and a communication selecting unit 440. When the regional server 300 sends the power quality of each monitoring point through the transmission module 400, the communication judging unit 410 in the transmission module 400 respectively judges the communication rate of each frequency band in the 5G communication unit 420 and the frequency band communication unit 430, and the communication selecting unit 440 selects a corresponding communication unit according to the actual situation.
Specifically, when the communication rate of the 5G communication unit 420 is smaller than the set threshold, it is determined that the power quality transmission rate cannot be satisfied, the determination of the communication rate of each frequency band in the frequency band communication unit 430 is continued, and the communication selection unit 440 enables the area server 300 to perform communication using the frequency band with the largest communication rate in the frequency band communication unit 430. If the communication rate of the 5G communication unit 420 is greater than the set threshold value, and it is determined that the power quality transmission rate can be satisfied, the communication selection unit 440 causes the area server 300 to perform communication using the 5G communication unit 420.
In one embodiment, the remote power quality monitoring system based on regional servers further comprises a main server 500. The main server 500 is configured to receive the power quality of each monitoring point sent by the regional server 300.
In one embodiment, the regional server 300 sends the power quality of each monitoring point to the main server 500 through the transmission module 400. Wherein the overall server is located outside the monitoring area.
In one embodiment, the overall server 500 includes a data analysis module 600.
And the data analysis module 600 is configured to count and analyze the power quality of each monitoring point, and generate report data and power quality rating data.
Wherein the data analysis module 600 communicates with the global server 500. The report data of the data analysis module 600 may include a monitoring area, monitoring points in the monitoring area, monitoring time, and monitoring parameters of the monitoring points corresponding thereto.
In one embodiment, the monitoring area in the report data, each monitoring point in the monitoring area, the monitoring time, and the monitoring parameters of each monitoring point corresponding to the monitoring area can be classified and marked in any manner, such as by using one or a combination of numbers, symbols, colors, and the like. And grading according to the excellent degree of the power quality of each monitoring point. Wherein, the grades can be divided into excellent, good, poor and the like.
In one embodiment, after the report data and the power quality rating data are generated, the method further comprises the step of storing the report data and the power quality rating data. The storage may be in any one or more formats, such as text document (TXT), web page file (HTML), spreadsheet (EXCEL), and the like.
In one embodiment, as shown in FIG. 6, the data analysis module 600 includes a filtering unit 610, a report generation unit 620, and a quality rating unit 630.
The screening unit 610 is configured to output screening parameters according to the screening conditions input by the user, where the screening parameters include a monitoring area, a monitoring point number, monitoring time, and monitoring parameters.
And a report generating unit 620, configured to generate corresponding report data according to the screening parameter.
And the quality rating unit 630 is configured to rate the power quality of each monitoring point according to the screening parameters, and generate power quality rating data.
In one embodiment, the filtering unit 610 obtains the filtering condition input by the user and outputs the filtering parameter. The user can select the content to be acquired according to the monitoring area, each monitoring point in the monitoring area and the classification marking method of the monitoring time.
In one embodiment, the generation of the corresponding report data according to the user requirement is completed by the report generation unit 620, and the generation of the corresponding quality rating data is completed by the quality rating unit 630.
In one embodiment, the remote monitoring system for power quality based on the regional server further comprises a monitoring terminal 700. The monitoring terminal 700 is configured to obtain power quality, report data, and power quality rating data of each monitoring point.
In one embodiment, the monitoring terminal 700 and the general server 500 may communicate with each other through a network, or may be connected through a wired connection, for example, an output end of the general server 500 is connected to the monitoring terminal 700. The monitoring terminal 700 is configured to obtain power quality, report data, and power quality rating data of each monitoring point at the main server 500. Specifically, the monitoring terminal 700 may be various personal computers, notebook computers, smart phones, tablet computers, portable wearable devices, and the like.
In one embodiment, as shown in FIG. 7, the monitoring terminal 700 includes a display module 710 and a modulation module 720.
And the display module 710 is used for displaying the power quality, the report data and the power quality rating data of each monitoring point.
And the modulation module 720 is configured to generate an electric energy modulation parameter according to the electric energy quality of each monitoring point, where the electric energy modulation parameter includes a current modulation parameter, a voltage modulation parameter, a current compensation parameter, and a voltage compensation parameter.
The monitoring terminal 700 receives the power quality, the report data and the power quality rating data of each monitoring point, displays the data through the display module 710, and generates power modulation parameters according to the power quality of each monitoring point. Such as current modulation parameters, voltage modulation parameters, current compensation parameters, voltage compensation parameters, and the like.
In order to make the objects, technical solutions and advantages of the present application more apparent, the present application is further described in detail below with reference to the accompanying drawings and one embodiment thereof. It should be understood that the specific embodiments described herein are merely illustrative of the present application and are not intended to limit the present application.
In one embodiment, as shown in FIG. 8. There are a plurality of monitoring areas in the power system, wherein there are a plurality of acquisition modules 100, monitoring modules 200, area servers 300 and transmission modules 400 in each monitoring area, and there are a main server 500 and a monitoring terminal 700 outside each monitoring area.
Specifically, each acquisition module 100 is located at each monitoring point of the monitoring area, the output end of each acquisition module 100 is connected to the monitoring module 200, the output end of the monitoring module 200 is connected to the area server 300, the area server 300 sends the power quality data to the main server 500 through the transmission module 400, and the output end of the main server 500 is connected to the monitoring terminal 700.
In one embodiment, the monitoring steps of the remote power quality monitoring system based on the regional server are as follows:
step 1, the acquisition module 100 located at each monitoring point in each monitoring area is used for acquiring electric energy parameters including current, voltage, frequency and the like at each monitoring point. Each acquisition module 100 transmits the power parameters to the monitoring modules 200 within the monitoring area.
And 2, the monitoring module 200 receives the electric energy parameters of each monitoring point acquired by each acquisition module 100, and analyzes the electric energy quality of each monitoring point in the monitoring area to obtain the electric energy quality of each monitoring point, wherein the electric energy quality can be determined according to volt-ampere parameters, power parameters, harmonic parameters, flicker parameters and the like of each monitoring point. The monitoring module 200 sends the power quality in the monitored area to the area server 300 of the monitored area.
Step 3, the regional server 300 receives the power quality of each monitoring point sent by the monitoring module 200, and sends the power quality data to the general server 500 through the corresponding transmission module 400. The data transmission processes of the area servers 300 in each monitoring area are parallel and do not affect each other.
Step 4, in order to ensure the transmission rate of the transmission module 400, the communication determining unit in the transmission module 400 first determines the transmission rate of the 5G communication unit in the transmission module 400, and when the communication rate of the 5G communication unit is greater than the threshold, the communication selecting unit in the transmission module 400 preferentially selects the 5G communication unit for transmission; when the communication rate of the 5G communication unit is less than the threshold, the communication determining unit continues to determine each frequency band in the frequency band communication units in the transmission module 400, and the communication selecting unit selects the frequency band communication unit with the highest communication rate in the frequency band communication units for communication.
And step 5, the main server 500 receives the power quality of each monitoring point sent by the area server 300 of each monitoring area, a data analysis module in the main server 500 counts and analyzes the power quality of each monitoring area, a screening parameter is generated by acquiring a screening condition input by a user, and corresponding report data and power quality rating data are generated according to the screening parameter. The screening parameters comprise monitoring areas, monitoring point numbers, monitoring time, monitoring parameters and the like.
Step 6, the monitoring terminal 700 obtains the power quality data, the report data and the power quality rating data of each monitoring point in each monitoring area in the main server 500, displays the data through a display module located in the monitoring terminal 700, and generates a modulation parameter corresponding to the power quality of each monitoring point through a modulation module located in the monitoring terminal 700, so that a user can perform relevant modulation according to the modulation parameter. The modulation parameters comprise current modulation parameters, voltage compensation parameters and current compensation parameters.
The modules in the remote power quality monitoring system based on the regional server can be wholly or partially realized by software, hardware and a combination thereof. The modules can be embedded in a hardware form or independent from a processor in the computer device, and can also be stored in a memory in the computer device in a software form, so that the processor can call and execute operations corresponding to the modules.
The technical features of the above embodiments can be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the above embodiments are not described, but should be considered as the scope of the present specification as long as there is no contradiction between the combinations of the technical features.
The above-mentioned embodiments only express several embodiments of the present application, and the description thereof is more specific and detailed, but not construed as limiting the scope of the invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the concept of the present application, which falls within the scope of protection of the present application. Therefore, the protection scope of the present patent shall be subject to the appended claims.
Claims (10)
1. The remote power quality monitoring system based on the regional server is characterized by comprising a monitoring module, a transmission module and the regional server;
the monitoring module acquires the electric energy parameters of each monitoring point in a monitoring area and judges the electric energy quality of each monitoring point according to the electric energy parameters; sending the power quality of each monitoring point to the regional server in the monitoring region;
the regional server receives the power quality of each monitoring point sent by the monitoring module; and sending the power quality of each monitoring point through the transmission module in the monitoring area.
2. The remote monitoring system for power quality based on regional servers as claimed in claim 1, wherein the remote monitoring system for power quality based on regional servers further comprises each acquisition module;
each acquisition module is used for acquiring the electric energy parameters of each monitoring point in the monitoring area, and the electric energy parameters comprise current, voltage and frequency.
3. The remote monitoring system for power quality based on the regional server as claimed in claim 2, wherein each acquisition module comprises a current acquisition unit, a voltage acquisition unit, a frequency acquisition unit and an analog-to-digital conversion unit;
the current acquisition unit is used for acquiring the current of each monitoring point in the monitoring area;
the voltage acquisition unit is used for acquiring the voltage of each monitoring point in the monitoring area;
the frequency acquisition unit is used for acquiring the frequency of each monitoring point in the monitoring area;
the analog-to-digital conversion unit is used for sending the electric energy parameter to the monitoring module.
4. The remote monitoring system for power quality based on the regional server as claimed in claim 1, wherein the monitoring module comprises a volt-ampere monitoring unit, a power monitoring unit, a harmonic monitoring unit and a flicker monitoring unit;
the volt-ampere monitoring unit is used for monitoring the volt-ampere parameters of each monitoring point in the monitoring area;
the power monitoring unit is used for monitoring the power parameters of each monitoring point in the monitoring area;
the harmonic wave monitoring unit is used for monitoring harmonic wave parameters of each monitoring point in the monitoring area;
and the flicker monitoring unit is used for monitoring flicker parameters of each monitoring point in the monitoring area.
5. The remote monitoring system for power quality based on the regional server as claimed in claim 1, wherein the transmission module comprises a communication judgment unit, a 5G communication unit, a frequency band communication unit and a communication selection unit;
the communication judging unit is used for judging the communication rate of the 5G communication unit, and when the communication rate of the 5G communication unit is smaller than a set threshold value, the communication judging unit judges the communication rate of each frequency band in the frequency band communication unit;
the communication selection unit is used for selecting the 5G communication unit for communication when the communication rate of the 5G communication unit is greater than a set threshold value; and when the communication rate of the 5G communication unit is smaller than a set threshold value, selecting the frequency band with the maximum communication rate in the frequency band communication unit for communication.
6. The remote power quality monitoring system based on regional servers as claimed in claim 1, wherein the remote power quality monitoring system based on regional servers further comprises a main server;
and the general server is used for receiving the electric energy quality of each monitoring point sent by the regional server.
7. The remote power quality monitoring system based on regional servers as claimed in claim 6, wherein the main server comprises a data analysis module;
the data analysis module is used for counting and analyzing the power quality of each monitoring point to generate report data and power quality grading data.
8. The remote monitoring system for power quality based on regional servers according to claim 7, wherein the data analysis module comprises a screening unit, a report generation unit and a quality rating unit;
the screening unit is used for outputting screening parameters according to screening conditions input by a user, wherein the screening parameters comprise monitoring areas, monitoring point numbers, monitoring time and monitoring parameters;
the report generation unit is used for generating corresponding report data according to the screening parameters;
the quality rating unit is used for rating the power quality of each monitoring point according to the screening parameters to generate power quality rating data.
9. The remote power quality monitoring system based on the regional server as claimed in claim 1, wherein the remote power quality monitoring system based on the regional server further comprises a monitoring terminal;
the monitoring terminal is used for acquiring the power quality of each monitoring point, the report data and the power quality rating data.
10. The remote monitoring system for power quality based on the regional server as claimed in claim 9, wherein the monitoring terminal comprises a display module and a modulation module;
the display module is used for displaying the power quality, the report data and the power quality rating data of each monitoring point;
the modulation module is used for generating electric energy modulation parameters according to the electric energy quality of each monitoring point, and the electric energy modulation parameters comprise current modulation parameters, voltage modulation parameters, current compensation parameters and voltage compensation parameters.
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