CN117728584A - Comprehensive data monitoring method and system for electric power system - Google Patents
Comprehensive data monitoring method and system for electric power system Download PDFInfo
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Abstract
The invention relates to the field of data monitoring, in particular to a comprehensive data monitoring method and system of an electric power system, comprising the following steps that S1, an acquisition module counts household electric power parameters, an analysis module compares the electric power parameters acquired by the acquisition module with a standard value preset in the analysis module, and users lower than the preset value are screened and occupied; step S2, the analysis module judges problems in power generation, transformation, transmission and distribution links of the power system according to the user duty ratio of the power parameter lower than a preset value; step S3, the inspection module inspects the power system according to the instruction sent by the analysis module; s4, the inspection module feeds the problems back to the analysis module, and the analysis module adjusts the corresponding problems; and S5, the analysis module judges that the problem fed back by the inspection module is not in the preset problem, and the analysis module sends a notification to the problem and calls professional technicians to manually inspect the problem.
Description
Technical Field
The present invention relates to the field of data monitoring, and in particular, to a method and a system for overall data monitoring in an electric power system.
Background
Along with the continuous progress of technology and the application of intelligent technology, the data monitoring capability of a power system is also remarkably improved, and the high-efficiency and automatic remote monitoring can be realized in the links of power generation, power transformation, power transmission, power distribution, power consumption and the like.
Chinese patent publication No.: CN116760193B discloses a comprehensive data monitoring method and system for an electric power system, the method comprising the steps of: the monitoring substation acquires first monitoring data of a monitoring object at the position; the monitoring substation digitizes the non-numerical data in the first monitoring data according to the negative influence degree of the non-numerical data on the power system to obtain second monitoring data; the monitoring substation maps each data in the second monitoring data to the same preset numerical range to obtain third monitoring data; the monitoring substation sends the third monitoring data to the monitoring center so that the monitoring center can monitor the power system according to the third monitoring data, wherein the monitoring center displays at least two data in the third monitoring data through the same visual model.
It can be seen that the overall data monitoring method and system of the power system have the following problems: failure in the power system cannot be timely detected and corresponding maintenance suggestions are provided, and problems of high loss, high maintenance cost and the like can be caused.
Disclosure of Invention
Therefore, the invention provides a comprehensive data monitoring method and system for an electric power system to solve the problems that the prior art cannot timely detect faults in the electric power system and provide corresponding maintenance suggestions
In order to achieve the above object, the present invention provides a method for monitoring overall data of an electric power system, comprising the steps of:
step S1, a collection module counts the power parameters of the user, an analysis module compares the power parameters collected by the collection module with the standard values preset in the analysis module, and users lower than the preset values are screened and the duty ratio of the users is counted;
step S2, the analysis module judges problems in power generation, transformation, transmission and distribution links of the power system according to the user duty ratio of the power parameter lower than a preset value; the analysis module judges that the duty ratio meets the standard and judges that the power system operates normally; the analysis module preliminarily judges that the duty ratio does not meet the standard, and judges that the power system has a power distribution problem; the analysis module judges that the duty ratio does not accord with a standard, and judges that the power supply problem exists in the power system;
step S3, the analysis module sends an instruction for monitoring a corresponding link to the inspection module according to the analyzed problem, and the inspection module inspects the power system according to the received instruction;
step S4, the inspection module feeds the inspected problems back to the analysis module, and the analysis module is provided with an adjustment mode for the preset problems;
and S5, the analysis module judges that the problem fed back by the inspection module is not in the preset problem, and the analysis module sends a notification to the problem and calls professional technicians to manually inspect the problem.
Further, the analysis module counts the number of users with electricity consumption lower than a preset electricity consumption standard, calculates a ratio of the number of users to the total number of users, and determines a determination mode of whether the operation of the power system meets the standard based on the ratio, wherein:
the first judging mode is that the analysis module judges that the operation of the power system meets the standard, and the reason that the corresponding user power consumption is lower than a preset value is that the daily power consumption of the user is lower than the preset power consumption standard; the first judging mode meets the condition that the ratio is smaller than or equal to a first preset ratio set in the analysis module;
the second judging mode is that the analysis module judges that the operation of the power distribution unit in the power system does not accord with the standard, and the analysis module judges whether the operation of the power distribution unit in the power system accords with the standard or not according to the voltage variance value obtained based on the household voltage of each user; the second judging mode meets the condition that the ratio is larger than the first preset ratio and smaller than or equal to a second preset ratio set in the analysis module;
the third judging mode is that the analysis module judges that the operation of the power supply unit in the power system does not accord with the standard, and the analysis module determines the reason that the operation of the power supply unit does not accord with the standard according to the power transmission quantity of the power generation end and the power transmission quantity of the power distribution end in the power system; the third determination means satisfies that the ratio is greater than the second preset ratio.
Further, the analysis module determines, in the second determination mode, a secondary determination mode for whether the operation of the power distribution unit meets a standard according to a voltage variance value obtained based on the household voltage of each user, wherein:
the first secondary judgment mode is that the analysis module secondarily judges that the operation of the power distribution unit does not meet the standard, and the household voltage for each user is regulated to a corresponding value based on the average value of the power load of each user; the first secondary judgment mode meets the condition that the voltage variance value is larger than a preset voltage variance value set in the analysis module;
the second secondary judgment mode is that the analysis module secondarily judges that the operation of the power distribution unit meets the standard and judges that the operation of the power supply unit does not meet the standard, and the analysis module determines the reason that the operation of the power supply unit does not meet the standard according to the power transmission quantity of the power generation end and the power transmission quantity of the power distribution end; the second secondary judgment mode meets the condition that the voltage variance value is smaller than or equal to the preset voltage variance value.
Further, the analysis module calculates the average value of the power load of each user under the first secondary judgment mode, and sets a plurality of adjustment modes aiming at the household voltage based on the calculated average value, and the household voltages adjusted by the adjustment modes are different.
Further, the analysis module compares the power transmission capacity of the power generation end with the power transmission capacity of the power distribution end in the third determination mode, and determines a power supply reason determination mode that the operation of the power supply unit does not meet the standard according to a comparison result, wherein:
the first power supply reason judging mode is that the analysis module judges that the reason that the operation of the power supply unit does not meet the standard is that power loss exists in the power transmission process, and the processing mode for the power supply unit is determined based on the difference value of the power transmission quantity of the power generation end and the power transmission quantity of the power distribution end; the first power supply reason judging mode meets the condition that the power transmission quantity of the power generation end is larger than that of the power distribution end;
the second power supply reason judging mode is that the analysis module judges that the reason that the operation of the power supply unit does not meet the standard is that the power supply of the power supply unit does not meet the standard, and the processing mode for the power supply unit is determined based on the ratio of the power transmission quantity of the power generation end and the power transmission quantity of the power distribution end; the second power supply reason judging mode meets the condition that the power transmission quantity of the power generation end is smaller than or equal to the power transmission quantity of the power distribution end.
Further, the analysis module records a difference value between the power transmission capacity of the power generation end and the power transmission capacity of the power distribution end as a power transmission capacity difference value in the first power supply reason judgment mode, and determines a power transmission loss processing mode aiming at the power supply unit based on the power transmission capacity difference value, wherein:
the first power transmission loss processing mode is that the analysis module adjusts the voltage boosting multiplying power of the power supply end to a corresponding value according to the preset power transmission quantity difference value and the power transmission quantity difference value set by the analysis module; the first power transmission loss processing mode meets the condition that the power transmission quantity difference value is smaller than or equal to the preset power transmission quantity difference value;
the second transmission loss processing mode is that the analysis module judges that the transmission line is damaged and sends out transmission line investigation notification; the second power transmission loss processing mode meets the condition that the power transmission quantity difference value is larger than a preset power transmission quantity difference value set in the analysis module.
Further, the analysis module records the difference between the preset power transmission quantity difference and the power transmission quantity difference as a secondary power transmission quantity difference in the first power transmission loss processing mode, a plurality of adjusting modes aiming at the voltage boosting multiplying power of the power supply end are arranged based on the secondary power transmission quantity difference, and the voltage boosting multiplying power adjusted by each adjusting mode is different.
Further, the analysis module records a ratio of the power transmission amount of the power generation end to the power transmission amount of the power distribution end as a power transmission amount ratio in the second power supply cause judgment mode, and determines a power supply processing mode for the power supply unit based on the power transmission amount ratio, wherein:
the first power supply processing mode is that the analysis module judges that the power output of the power system is lower than a preset standard, and sends out a power output demand notification; the first power supply processing mode meets the condition that the power transmission quantity ratio is smaller than or equal to a preset power transmission quantity ratio set in the analysis module;
the second power supply processing mode is that the analysis module judges that the power output by the power supply end is limited and determines the proportion of limiting the current according to the difference value of the power output quantity ratio and the preset power output quantity ratio; the second power supply processing mode meets the condition that the power transmission quantity ratio is larger than a preset power transmission quantity ratio set in the analysis module.
Further, the analysis module records the difference value between the power transmission quantity ratio and the preset power transmission quantity ratio as a secondary ratio difference value in the second power supply processing mode, a plurality of adjusting modes aiming at the current limiting proportion of the power output by the power supply end are arranged on the basis of the secondary ratio difference value, and the current limiting proportion after being adjusted by the adjusting modes is different.
Further, the overall data monitoring system of the power system comprises,
the acquisition module is connected with the power system and comprises a plurality of sensors for acquiring power parameters in the power system;
the analysis module is connected with the acquisition module and is used for judging whether problems exist in each link of the power system according to the power parameters acquired by the acquisition module;
and the inspection module is connected with the analysis module and is used for inspecting corresponding electric links according to the problems analyzed by the analysis module.
Compared with the prior art, the invention has the beneficial effects that the acquisition module counts the household power parameters, the analysis module compares the power parameters acquired by the acquisition module with the standard values preset in the analysis module, screens users lower than the preset values and counts the duty ratio of the users; the analysis module judges problems existing in power generation, transformation, transmission and distribution links of the power system according to the user duty ratio of the power parameter lower than a preset value, can more accurately find problems and hidden dangers existing in the power system, improves the judgment precision of the data monitoring of the power system, improves the timeliness of finding and solving the problems, and reduces the maintenance cost.
Further, when the analysis module preliminarily judges that the user duty ratio of the power parameter lower than the preset value does not meet the standard, the analysis module judges that the power system has a power distribution problem, and the analysis system secondarily judges whether the power system has the power distribution problem or not based on the variance value of the household voltage, so that the judgment precision of whether the power system has the problem in the power distribution link is improved, and the stability of the power system is improved.
Further, the analysis module carries out secondary judgment on whether the power system has a power distribution problem or not based on the variance value of the household voltage, if the power system is judged to have the power distribution problem, the analysis module is provided with a plurality of adjustment modes for the power system based on the difference value of the load and the average load of each household, so that the judgment precision of the data monitoring of the power system is improved, the timeliness of finding and solving the problem is improved, and the maintenance cost is reduced.
Further, when the analysis module judges that the user duty ratio of the power parameter lower than the preset value does not meet the standard and the analysis module judges that the variance value of the household voltage does not meet the standard, the power system is judged to have the power supply problem, and the analysis module determines the reason of insufficient power supply according to the electric quantity difference value of the power generation end and the power distribution end in the monitoring unit time, so that the judgment precision of the data monitoring of the power system is further improved, the timeliness of finding and solving the problem is improved, and the maintenance cost is reduced.
Further, the analysis module is used for judging whether pressurization is needed or not according to the voltage data by sending an instruction for collecting the voltage of the power generation end and the voltage of the power distribution end to the acquisition module when the difference value is larger than a preset standard difference value in the analysis module according to the difference value of the electric quantity flowing through the power generation end and the power distribution end in the monitoring unit time, if the pressurization is not needed, the analysis module is used for sending the instruction to the inspection module, the inspection module is used for inspecting the circuit problem of the electric power system, the judgment precision of the data monitoring of the electric power system is further improved, the timeliness of finding and solving the problem is improved, and the maintenance cost is reduced.
Further, the analysis module is provided with a plurality of adjustment modes for the problem of insufficient voltage in the power system, and the inspection module is provided with a plurality of detection modes for the line problem of the power system, so that the judgment precision of the data monitoring of the power system is further improved, the timeliness of finding and solving the problem is improved, and the maintenance cost is reduced.
Further, the analysis module judges that the power generation link of the power system has problems according to the difference value of the electric quantity flowing through the power generation end and the power distribution end in the monitoring unit time, and the difference value is smaller than or equal to the preset standard difference value in the analysis module, the analysis module judges the energy supply quantity of the power generation end in the unit time, the judgment precision of the data monitoring of the power system is further improved, the timeliness of finding and solving the problems is improved, and the maintenance cost is reduced.
Further, when the analysis module judges the energy supply quantity of the power generation end in unit time and the energy supply quantity accords with the preset standard, the analysis module is provided with a plurality of adjustment modes for the problem of current limiting of the user end, so that the judgment precision of the data monitoring of the power system is further improved, the timeliness of finding and solving the problem is improved, and the maintenance cost is reduced.
Drawings
FIG. 1 is a block diagram of a comprehensive data monitoring system for an electrical power system according to the present invention;
FIG. 2 is a flow chart of the steps of a method for overall data monitoring of an electrical power system according to the present invention;
FIG. 3 is a flowchart of the analysis module according to the present invention for determining whether the power system meets the standard according to the user number ratio of the power consumption lower than the preset value;
fig. 4 is a flow chart of a secondary decision of whether the power system has a power distribution problem based on the variance value of the household voltage by the analysis module according to the present invention.
Detailed Description
In order that the objects and advantages of the invention will become more apparent, the invention will be further described with reference to the following examples; it should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the invention.
The above and further technical features and advantages of the present invention are described in more detail below with reference to the accompanying drawings.
Preferred embodiments of the present invention are described below with reference to the accompanying drawings. It should be understood by those skilled in the art that these embodiments are merely for explaining the technical principles of the present invention, and are not intended to limit the scope of the present invention.
It should be noted that, in the description of the present invention, terms such as "upper," "lower," "left," "right," "inner," "outer," and the like indicate directions or positional relationships based on the directions or positional relationships shown in the drawings, which are merely for convenience of description, and do not indicate or imply that the apparatus or elements must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present invention.
Furthermore, it should be noted that, in the description of the present invention, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present invention can be understood by those skilled in the art according to the specific circumstances.
Referring to fig. 1, a block diagram of a comprehensive data monitoring system of a power system according to the present invention is shown; the comprehensive data monitoring system of the power system comprises an acquisition module, an analysis module and a patrol module; the acquisition module is connected with the power system and comprises a plurality of sensors for acquiring power parameters in the power system; the analysis module is connected with the acquisition module and is used for judging whether problems exist in each link of the power system according to the power parameters acquired by the acquisition module; the inspection module is connected with the analysis module, and the corresponding electric links are inspected according to the problems analyzed by the analysis module.
Referring to fig. 2, a flowchart of steps of a method and a system for monitoring overall data of an electric power system according to the present invention is shown, including:
step S1, a collection module counts the power parameters of the user, an analysis module compares the power parameters collected by the collection module with the standard values preset in the analysis module, and users lower than the preset values are screened and the duty ratio of the users is counted;
step S2, the analysis module judges problems in power generation, transformation, transmission and distribution links of the power system according to the user duty ratio of the power parameter lower than a preset value; the analysis module judges that the duty ratio meets the standard and judges that the power system operates normally; the analysis module preliminarily judges that the duty ratio does not meet the standard, and judges that the power system has a power distribution problem; the analysis module judges that the duty ratio does not accord with a standard, and judges that the power supply problem exists in the power system;
step S3, the analysis module sends an instruction for monitoring a corresponding link to the inspection module according to the analyzed problem, and the inspection module inspects the power system according to the received instruction;
step S4, the inspection module feeds the inspected problems back to the analysis module, and the analysis module is provided with an adjustment mode for the preset problems;
and S5, the analysis module judges that the problem fed back by the inspection module is not in the preset problem, and the analysis module sends a notification to the problem and calls professional technicians to manually inspect the problem.
Specifically, the acquisition module comprises a voltage sensor, a current sensor and a resistance sensor, and acquires various electric power parameters in an electric power system; the analysis module is connected with the acquisition module and is used for analyzing and judging the power system based on the parameters acquired by the acquisition module; the inspection module is connected with the analysis module, and performs inspection and investigation work on the power system according to the instruction sent by the analysis module.
Referring to fig. 3, a flowchart of the analysis module determining whether the power system meets the standard for the number of users with power consumption lower than the preset value; the analysis module counts the number of users with electricity consumption lower than a preset electricity consumption standard, calculates the ratio of the number to the total number of the users, and determines whether the operation of the power system meets the standard or not based on the ratio, wherein:
the first judging mode is that the analysis module judges that the operation of the power system meets the standard, and the reason that the corresponding user power consumption is lower than a preset value is that the daily power consumption of the user is lower than the preset power consumption standard; the first judging mode meets the condition that the ratio is smaller than or equal to a first preset ratio set in the analysis module; setting a first preset ratio a1=5%;
the second judging mode is that the analysis module judges that the operation of the power distribution unit in the power system does not accord with the standard, and the analysis module judges whether the operation of the power distribution unit in the power system accords with the standard or not according to the voltage variance value obtained based on the household voltage of each user; the second judging mode meets the condition that the ratio is larger than the first preset ratio and smaller than or equal to a second preset ratio set in the analysis module; setting a second preset ratio a2=20%;
the third judging mode is that the analysis module judges that the operation of the power supply unit in the power system does not accord with the standard, and the analysis module determines the reason that the operation of the power supply unit does not accord with the standard according to the power transmission quantity of the power generation end and the power transmission quantity of the power distribution end in the power system; the third determination means satisfies that the ratio is greater than the second preset ratio.
Fig. 4 is a flow chart showing a secondary determination of whether the power system has a power distribution problem by the analysis module based on the variance value of the household voltage according to the present invention; the analysis module determines a secondary decision mode for whether the operation of the power distribution unit meets a standard according to a voltage variance value obtained based on the household voltage of each user in the second decision mode, wherein:
the first secondary judgment mode is that the analysis module secondarily judges that the operation of the power distribution unit does not meet the standard, and the household voltage for each user is regulated to a corresponding value based on the average value of the power load of each user; the first secondary judgment mode meets the condition that the voltage variance value is larger than a preset voltage variance value set in the analysis module; setting the preset voltage variance difference value to be 5;
the second secondary judgment mode is that the analysis module secondarily judges that the operation of the power distribution unit meets the standard and judges that the operation of the power supply unit does not meet the standard, and the analysis module determines the reason that the operation of the power supply unit does not meet the standard according to the power transmission quantity of the power generation end and the power transmission quantity of the power distribution end; the second secondary judgment mode meets the condition that the voltage variance value is smaller than or equal to the preset voltage variance value.
With continued reference to fig. 1 to 4, the analysis module calculates an average value of the power loads of the users in the first secondary determination mode and sets a plurality of adjustment modes for the service voltage based on the calculated average value, where:
the first voltage regulation mode is that the analysis module adopts a first voltage regulation coefficient to regulate the power consumption load based on the difference value of the power consumption load and the average load of each user; the first voltage regulation mode meets the condition that the difference value is in a first difference value interval, the first difference value interval is set to be 0W to 800W, and the first voltage regulation coefficient is increased by 10V;
the second voltage regulation mode is that the analysis module adopts a second voltage regulation coefficient to regulate the power consumption load based on the difference value of the power consumption load and the average load of each user; the second voltage regulation mode meets the condition that the difference value is in a second difference value interval, the second difference value interval is set to 800W to 1500W, and the second voltage regulation coefficient is increased by 20V;
the third voltage regulation mode is that the analysis module adopts a third voltage regulation coefficient to regulate the power consumption load based on the difference value of the power consumption load and the average load of each user; the third voltage regulation mode satisfies that the difference is greater than 1500W, and the third voltage regulation coefficient is to improve 30V voltage.
With continued reference to fig. 1 to fig. 4, the analysis module compares the power transmission capacity of the power generation end with the power transmission capacity of the power distribution end in the third determination mode, and determines, according to a comparison result, a power supply reason determination mode in which the operation of the power supply unit does not meet a standard, where:
the first power supply reason judging mode is that the analysis module judges that the reason that the operation of the power supply unit does not meet the standard is that power loss exists in the power transmission process, and the processing mode for the power supply unit is determined based on the difference value of the power transmission quantity of the power generation end and the power transmission quantity of the power distribution end; the first power supply reason judging mode meets the condition that the power transmission quantity of the power generation end is larger than that of the power distribution end;
the second power supply reason judging mode is that the analysis module judges that the reason that the operation of the power supply unit does not meet the standard is that the power supply of the power supply unit does not meet the standard, and the processing mode for the power supply unit is determined based on the ratio of the power transmission quantity of the power generation end and the power transmission quantity of the power distribution end; the second power supply reason judging mode meets the condition that the power transmission quantity of the power generation end is smaller than or equal to the power transmission quantity of the power distribution end.
With continued reference to fig. 1 to fig. 4, the analysis module records a difference between the power transmission capacity of the power generation end and the power transmission capacity of the power distribution end as a power transmission capacity difference in the first power supply reason determination mode, and determines a power transmission loss processing mode for the power supply unit based on the power transmission capacity difference, where:
the first power transmission loss processing mode is that the analysis module adjusts the voltage boosting multiplying power of the power supply end to a corresponding value according to the preset power transmission quantity difference value and the power transmission quantity difference value set by the analysis module; the first power transmission loss processing mode meets the condition that the power transmission quantity difference value is smaller than or equal to the preset power transmission quantity difference value; setting the preset power transmission quantity difference value to be 100 ℃;
the second transmission loss processing mode is that the analysis module judges that the transmission line is damaged and sends out transmission line investigation notification; the second power transmission loss processing mode meets the condition that the power transmission quantity difference value is larger than a preset power transmission quantity difference value set in the analysis module.
With continued reference to fig. 1 to fig. 4, the analysis module records the difference between the preset power transmission quantity difference and the power transmission quantity difference as a second power transmission quantity difference in the first power transmission loss processing mode, and sets a plurality of adjustment modes for voltage boosting multiplying power of the power supply end based on the second power transmission quantity difference, wherein:
the analysis module selects a first preset supercharging adjusting coefficient based on the difference value of the two-stage power transmission capacity to adjust the supercharging multiplying power of the initial voltage to a corresponding value; the first supercharging multiplying power adjusting mode meets the condition that the difference value of the secondary power transmission quantity is smaller than or equal to a first preset secondary power transmission quantity difference value set in the analysis module, the first preset secondary power transmission quantity difference value Q1=10C is set, and the first preset supercharging adjusting coefficient is used for improving the initial voltage by 5%;
the analysis module selects a second preset boost adjustment coefficient based on the second-level power transmission capacity difference value to adjust the initial voltage boost rate to a corresponding value; the second supercharging multiplying power adjusting mode meets the condition that the second-level power transmission quantity difference value is larger than the first preset second-level power transmission quantity difference value set in the analysis module and smaller than or equal to the second preset second-level power transmission quantity difference value, the second preset second-level power transmission quantity difference value Q2=20C is set, and the second preset supercharging adjusting coefficient is used for improving the initial voltage by 10%;
the analysis module selects a third preset supercharging adjusting coefficient based on the difference value of the secondary power transmission capacity to adjust the supercharging multiplying power of the initial voltage to a corresponding value; the third supercharging multiplying power adjusting mode meets the condition that the second-level power transmission quantity difference value is larger than a second preset second-level power transmission quantity difference value set in the analysis module, and the third preset supercharging adjusting coefficient is set to increase the initial voltage by 15%.
With continued reference to fig. 1 to fig. 4, the analysis module records a ratio of the power transmission capacity of the power generation end to the power transmission capacity of the power distribution end as a power transmission capacity ratio in the second power supply cause determination mode, and determines a power supply processing mode for the power supply unit based on the power transmission capacity ratio, where:
the first power supply processing mode is that the analysis module judges that the power output of the power system is lower than a preset standard, and sends out a power output demand notification; the first power supply processing mode meets the condition that the power transmission quantity ratio is smaller than or equal to a preset power transmission quantity ratio set in the analysis module;
the second power supply processing mode is that the analysis module judges that the power output by the power supply end is limited and determines the proportion of limiting the current according to the difference value of the power output quantity ratio and the preset power output quantity ratio; the second power supply processing mode meets the condition that the power transmission quantity ratio is larger than a preset power transmission quantity ratio set in the analysis module.
Referring to fig. 1 to fig. 4, the analysis module records the difference between the power output ratio and the preset power output ratio as a second-level ratio difference in the second power supply processing mode, and sets a plurality of adjustment modes for the current limiting ratio of the power output by the power supply terminal based on the second-level ratio difference, wherein:
the first current limiting proportion adjusting mode is that the analysis module selects a first preset current limiting proportion adjusting coefficient based on the secondary ratio difference value to adjust the initial current limiting proportion to a corresponding value; the first current limiting proportion adjusting mode meets the secondary ratio difference value standard that the secondary ratio difference value is smaller than or equal to the secondary ratio difference value preset in the analysis module; setting the preset secondary ratio difference value to be 0.2, and reducing the preset current limiting proportion by 5% by a first preset current limiting proportion adjusting coefficient;
the second current limiting proportion adjusting mode is that the analysis module selects a second preset current limiting proportion adjusting coefficient based on the secondary ratio difference value to adjust the initial current limiting proportion to a corresponding value; the second current limiting proportion adjusting mode meets the condition that the secondary ratio difference value is larger than a secondary ratio difference value standard preset in the analysis module; the second preset current limiting proportion adjusting coefficient is set to reduce the preset current limiting proportion by 10 percent.
Thus far, the technical solution of the present invention has been described in connection with the preferred embodiments shown in the drawings, but it is easily understood by those skilled in the art that the scope of protection of the present invention is not limited to these specific embodiments. Equivalent modifications and substitutions for related technical features may be made by those skilled in the art without departing from the principles of the present invention, and such modifications and substitutions will be within the scope of the present invention.
The foregoing description is only of the preferred embodiments of the invention and is not intended to limit the invention; various modifications and variations of the present invention will be apparent to those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. The comprehensive data monitoring method for the electric power system is characterized by comprising the following steps of:
step S1, a collection module counts the power parameters of the user, an analysis module compares the power parameters collected by the collection module with the standard values preset in the analysis module, and users lower than the preset values are screened and the duty ratio of the users is counted;
step S2, the analysis module judges problems in power generation, transformation, transmission and distribution links of the power system according to the user duty ratio of the power parameter lower than a preset value; the analysis module judges that the duty ratio meets the standard and judges that the power system operates normally; the analysis module preliminarily judges that the duty ratio does not meet the standard, and judges that the power system has a power distribution problem; the analysis module judges that the duty ratio does not accord with a standard, and judges that the power supply problem exists in the power system;
step S3, the analysis module sends an instruction for monitoring a corresponding link to the inspection module according to the analyzed problem, and the inspection module inspects the power system according to the received instruction;
step S4, the inspection module feeds the inspected problems back to the analysis module, and the analysis module is provided with an adjustment mode for the preset problems;
and S5, the analysis module judges that the problem fed back by the inspection module is not in the preset problem, and the analysis module sends a notification to the problem and calls professional technicians to manually inspect the problem.
2. The method for monitoring comprehensive data of a power system according to claim 1, wherein the analysis module counts the number of users whose power consumption is lower than a preset power consumption standard, calculates a ratio of the number to the total number of users, and determines a determination mode of whether the operation of the power system meets the standard based on the ratio, wherein:
the first judging mode is that the analysis module judges that the operation of the power system meets the standard, and the reason that the corresponding user power consumption is lower than a preset value is that the daily power consumption of the user is lower than the preset power consumption standard; the first judging mode meets the condition that the ratio is smaller than or equal to a first preset ratio set in the analysis module;
the second judging mode is that the analysis module judges that the operation of the power distribution unit in the power system does not accord with the standard, and the analysis module judges whether the operation of the power distribution unit in the power system accords with the standard or not according to the voltage variance value obtained based on the household voltage of each user; the second judging mode meets the condition that the ratio is larger than the first preset ratio and smaller than or equal to a second preset ratio set in the analysis module;
the third judging mode is that the analysis module judges that the operation of the power supply unit in the power system does not accord with the standard, and the analysis module determines the reason that the operation of the power supply unit does not accord with the standard according to the power transmission quantity of the power generation end and the power transmission quantity of the power distribution end in the power system; the third determination means satisfies that the ratio is greater than the second preset ratio.
3. The method for monitoring overall data of a power system according to claim 2, wherein the analysis module determines, in the second determination mode, a secondary determination mode for whether the operation of the power distribution unit meets a standard according to a voltage variance value obtained based on the household voltage of each user, wherein:
the first secondary judgment mode is that the analysis module secondarily judges that the operation of the power distribution unit does not meet the standard, and the household voltage for each user is regulated to a corresponding value based on the average value of the power load of each user; the first secondary judgment mode meets the condition that the voltage variance value is larger than a preset voltage variance value set in the analysis module;
the second secondary judgment mode is that the analysis module secondarily judges that the operation of the power distribution unit meets the standard and judges that the operation of the power supply unit does not meet the standard, and the analysis module determines the reason that the operation of the power supply unit does not meet the standard according to the power transmission quantity of the power generation end and the power transmission quantity of the power distribution end; the second secondary judgment mode meets the condition that the voltage variance value is smaller than or equal to the preset voltage variance value.
4. The method for monitoring overall data of a power system according to claim 3, wherein the analysis module calculates an average value of the power loads of the users under the first secondary judgment mode, and sets a plurality of adjustment modes for the household voltage based on the calculated average value, and the household voltages adjusted by the adjustment modes are different.
5. The comprehensive data monitoring method of the power system according to claim 2, wherein the analysis module compares the power transmission amount of the power generation end with the power transmission amount of the power distribution end in the third determination mode, and determines a power supply reason determination mode that the operation of the power supply unit does not meet the standard according to the comparison result, wherein:
the first power supply reason judging mode is that the analysis module judges that the reason that the operation of the power supply unit does not meet the standard is that power loss exists in the power transmission process, and the processing mode for the power supply unit is determined based on the difference value of the power transmission quantity of the power generation end and the power transmission quantity of the power distribution end; the first power supply reason judging mode meets the condition that the power transmission quantity of the power generation end is larger than that of the power distribution end;
the second power supply reason judging mode is that the analysis module judges that the reason that the operation of the power supply unit does not meet the standard is that the power supply of the power supply unit does not meet the standard, and the processing mode for the power supply unit is determined based on the ratio of the power transmission quantity of the power generation end and the power transmission quantity of the power distribution end; the second power supply reason judging mode meets the condition that the power transmission quantity of the power generation end is smaller than or equal to the power transmission quantity of the power distribution end.
6. The method for monitoring overall data of a power system according to claim 5, wherein the analysis module records a difference between a power transmission amount of the power generation end and a power transmission amount of the power distribution end as a power transmission amount difference in the first power supply cause determination mode, and determines a power transmission loss processing mode for the power supply unit based on the power transmission amount difference, wherein:
the first power transmission loss processing mode is that the analysis module adjusts the voltage boosting multiplying power of the power supply end to a corresponding value according to the preset power transmission quantity difference value and the power transmission quantity difference value set by the analysis module; the first power transmission loss processing mode meets the condition that the power transmission quantity difference value is smaller than or equal to the preset power transmission quantity difference value;
the second transmission loss processing mode is that the analysis module judges that the transmission line is damaged and sends out transmission line investigation notification; the second power transmission loss processing mode meets the condition that the power transmission quantity difference value is larger than a preset power transmission quantity difference value set in the analysis module.
7. The method for monitoring overall data of a power system according to claim 6, wherein the analysis module records the difference between the preset power transmission quantity difference and the power transmission quantity difference as a second power transmission quantity difference in the first power transmission loss processing mode, and sets a plurality of adjustment modes for voltage boosting multiplying power of the power supply terminal based on the second power transmission quantity difference, and the voltage boosting multiplying power adjusted by each adjustment mode is different.
8. The method for monitoring overall data of a power system according to claim 5, wherein the analysis module records a ratio of a power transmission amount of the power generation end to a power transmission amount of the power distribution end as a power transmission amount ratio in the second power supply cause determination mode, and determines a power supply processing mode for the power supply unit based on the power transmission amount ratio, wherein:
the first power supply processing mode is that the analysis module judges that the power output of the power system is lower than a preset standard, and sends out a power output demand notification; the first power supply processing mode meets the condition that the power transmission quantity ratio is smaller than or equal to a preset power transmission quantity ratio set in the analysis module;
the second power supply processing mode is that the analysis module judges that the power output by the power supply end is limited and determines the proportion of limiting the current according to the difference value of the power output quantity ratio and the preset power output quantity ratio; the second power supply processing mode meets the condition that the power transmission quantity ratio is larger than a preset power transmission quantity ratio set in the analysis module.
9. The method for monitoring overall data of a power system according to claim 8, wherein the analysis module records the difference between the power output ratio and the preset power output ratio as a secondary ratio difference in the second power supply processing mode, and sets a plurality of adjustment modes for the current limiting ratio of the power output by the power supply terminal based on the secondary ratio difference, and the current limiting ratios adjusted by the adjustment modes are different.
10. A comprehensive data monitoring system using the method of any one of claims 1-9, comprising,
the acquisition module is connected with the power system and comprises a plurality of sensors for acquiring power parameters in the power system;
the analysis module is connected with the acquisition module and is used for judging whether problems exist in each link of the power system according to the power parameters acquired by the acquisition module;
and the inspection module is connected with the analysis module and is used for inspecting corresponding electric links according to the problems analyzed by the analysis module.
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