CN113552860A - Intelligent verification system based on intelligent substation telecontrol configuration - Google Patents
Intelligent verification system based on intelligent substation telecontrol configuration Download PDFInfo
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B23/00—Testing or monitoring of control systems or parts thereof
- G05B23/02—Electric testing or monitoring
- G05B23/0205—Electric testing or monitoring by means of a monitoring system capable of detecting and responding to faults
- G05B23/0208—Electric testing or monitoring by means of a monitoring system capable of detecting and responding to faults characterized by the configuration of the monitoring system
- G05B23/0213—Modular or universal configuration of the monitoring system, e.g. monitoring system having modules that may be combined to build monitoring program; monitoring system that can be applied to legacy systems; adaptable monitoring system; using different communication protocols
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B2219/00—Program-control systems
- G05B2219/20—Pc systems
- G05B2219/24—Pc safety
- G05B2219/24065—Real time diagnostics
Abstract
The invention relates to an intelligent checking system based on intelligent substation telecontrol configuration, which comprises a storage unit, a substation data acquisition unit, a data transmission unit, a data receiving unit, a parameter configuration module and a central control module, wherein before the intelligent checking system is adopted for data checking, the central control module sets the working mode of a substation according to the data central control module of a database, the substation data acquisition unit acquires and records the working data of the substation and transmits the acquired data to the data receiving unit, and the data receiving unit generates a data function; the invention reduces personnel participation in power grid enclosure through electronic distribution and electronic regulation, and simultaneously can more intuitively reflect the working state of the substation according to electronic data, thereby being more accurate than manual regulation.
Description
Technical Field
The invention relates to the technical field of intelligent substations, in particular to an intelligent verification system based on intelligent substation telecontrol configuration.
Background
The intelligent substation data communication gateway machine (namely a telecontrol device) is used as important station control layer equipment, communicates with lower and inter-station layer equipment, carries out telecontrol information real-time interaction with upper and all levels of control centers, provides data, model, graph and file transmission service for a main station system to realize functions of substation monitoring control, information inquiry, remote browsing and the like, is key equipment for supporting an intelligent substation to realize integrated operation of regulation and control, and is important for safe and stable operation of a power grid. The method is mainly used for carrying out function debugging on a telecontrol device, particularly carrying out joint debugging work of regulation and control information between a main station end and a station end, and is key work in an engineering debugging stage of an intelligent substation monitoring system. This work is also briefly described as "information to point" in engineering. At present, the joint debugging of the regulation and control information of the telecontrol device mainly depends on manual work between a main station end and a plant station end through a real-time communication mode, namely, the information received by the main station end and the real-time information sent by the plant station end are corrected in a manual one-by-one point-aligning mode. The technical means of the method is single, an effective debugging tool is lacked, the automation degree is low, and a large amount of manpower and time are consumed. In order to improve the engineering debugging implementation efficiency, improve the automation level of debugging work and develop the research of telecontrol information intelligence and quick check technology, the research is imperative.
Disclosure of Invention
Therefore, the invention provides an intelligent verification system based on intelligent substation telecontrol configuration, which is used for solving the problems that the working mode regulation and control automation degree of a substation in the prior art is low, and a large amount of manpower and time are consumed.
In order to achieve the above object, the present invention provides an intelligent verification system based on telecontrol configuration of an intelligent substation, comprising,
a storage unit in which a database established in advance is provided;
the substation data acquisition unit is used for acquiring substation data;
the data transmission unit is connected with the substation data acquisition unit and is used for transmitting the acquired substation data;
the data receiving unit is arranged at the head station, connected with the data transmission unit and used for receiving data and converting the data format;
the parameter configuration module is used for adjusting parameters of the substation;
the central control module is respectively connected with the storage unit, the data receiving unit and the parameter configuration module and is used for adjusting the working mode of the substation;
before the intelligent checking system is adopted for data checking, the central control module invokes a database in the storage unit, and sets the working mode of the substation according to the data of the database;
the substation data acquisition unit acquires and records working data of the substation in a preset working mode, transmits the acquired data to the data receiving unit through the data transmission unit, and the data receiving unit decodes the data to generate a data function;
the central control module is internally provided with a preset data function in the current working mode, compares the produced data function with the preset data function, judges whether the working mode of the substation is reasonable or not according to the comparison result, and adjusts the working mode of the substation.
Furthermore, the substation data acquisition unit is internally provided with an acquisition period time Tz, when the substation works according to the working mode set by the central control module, the substation data acquisition unit starts to acquire and record the working data of the substation, the substation data acquisition unit calculates, records the acquisition time T and compares the acquisition time T with the acquisition period time Tz in real time,
when T is less than or equal to Tz, the substation data acquisition unit continues to record acquisition duration and perform data acquisition;
and when T is more than Tz, the substation data acquisition unit stops timing, and packs the acquired data to generate a data set A.
Further, the data transmission unit transmits a data set A to the data receiving unit, the data receiving unit analyzes the data set A and generates a data function, and the generated data function is transmitted to the central control module;
the data function comprises a substation output voltage change function Ab ═ f (Tz), wherein Tz represents any time in the time length Tz of the acquisition cycle, and Ab represents the output voltage value of the substation at the time Tz;
the central control module is used for generating a preset substation output voltage change function Ac (f) (tc) according to the information of the database, wherein the Ac (f) (tc) represents a theoretical change curve of the output voltage along with time in a single period under a preset working mode;
and the central control module compares the generated function Ab (f) (tz) with a preset function Ac (f) (tc) to judge whether the preset substation working mode is reasonable.
Further, when the function Ab ═ f (tz) is aligned with the preset function Ac ═ f (tc), the amplitude and frequency of the function Ab ═ f (tz) are adjusted to the function Ab ═ f (tz1) so that the amplitude and frequency of Ab ═ f (tz1) and Ac ═ f (tc) are respectively the same, and the Ab ═ f (tz1) image is translated so that the peak point of Ab ═ f (tz1) coincides with the peak point of Ac ═ f (tc).
Further, when the central control module adjusts Ab ═ f (tz) to Ab ═ f (tz1), the amplitude adjustment parameter is P, and the frequency adjustment parameter is Q; an amplitude frequency adjustment amplitude judgment value Kz is arranged in the central control module, the central control module calculates an amplitude frequency adjustment amplitude value K, K is P multiplied by K1+ Q multiplied by K2, wherein K1 is a calculation weight parameter of an amplitude adjustment parameter P to K, and K2 is a calculation weight parameter of a frequency adjustment parameter Q to K;
the central control module compares the calculated amplitude frequency adjustment amplitude value K with a preset amplitude frequency adjustment amplitude judgment value Kz,
when K is less than or equal to Kz, the central control module judges that the adjustment amplitude of the function Ab ═ f (tz) is in a preset range;
and when K is larger than Kz, the central control module judges that the adjusting amplitude of the function Ab ═ f (tz) is not in a preset range, and the central control module judges that the working mode of the substation is unreasonably set.
Further, when the central control module determines that the adjustment range of the function Ab ═ f (tz) is within the preset range, the central control module compares the function Ab ═ f (tz1) with the preset function Ac ═ f (tc), and when the function Ab ═ f (tz1) and the preset function Ac ═ f (tc) have regions with different trends, the central control module records the regions with different trends.
Further, when the function Ab ═ f (tz1) and the preset function Ac ═ f (tc) have regions with different trends, the central control module calculates the difference degree between the function Ab ═ f (tz1) and the preset function Ac ═ f (tc) in the regions with different trends, R1, and R1 ═ H × H + Y × Y, wherein H represents the difference value between the function Ab ═ f (tz1) and the preset function Ac ═ f (tc) in the regions with different trends, Y represents the length of the regions with different trends, H is the calculated compensation parameter of the difference value H of the point of maximum difference to R1, and Y is the calculated compensation parameter of the length Y to R1.
Further, when a plurality of regions with different trends exist between the function Ab ═ f (tz1) and the preset function Ac ═ f (tc), the central control module calculates the difference degree R2 and the difference degree R3 … difference degree Rn in sequence according to the method of the technical difference degree R1;
the central control module calculates an overall difference value R0 between the function Ab ═ f (tz1) and a preset function Ac ═ f (tc),
wherein C is a compensation parameter calculated by the overall difference value R0;
the central control module is internally provided with a whole difference value reference value Rz, the central control module compares the whole difference value R0 with the whole difference value reference value Rz,
when R0 is not more than Rz, the central control module determines that the difference between the function Ab ═ f (tz1) and the preset function Ac ═ f (tc) is within a preset range, and determines that the substation work mode is reasonable;
when R0 > Rz, the central control module determines that the difference between the function Ab ═ f (tz1) and the preset function Ac ═ f (tc) is not within the preset range, and the central control module determines that the substation operating mode is not reasonable.
Further, when the central control module judges that the working mode of the substation is unreasonable, the central control module adjusts the working mode according to the unreasonable condition until the central control module judges that the working mode of the substation is reasonable.
Furthermore, a first preset compensation parameter C1, a second preset compensation parameter C2 and a judgment value M of the number of regions with different trends are arranged in the central control module, C1 is less than C2, the central control module compares the total number n of the regions with different trends with the judgment value M of the number of the regions with different trends,
when n is less than or equal to M, the central control module judges that C is a first preset compensation parameter C1;
and when n is larger than M, the central control module judges that C is a second preset compensation parameter C2.
Compared with the prior art, the intelligent checking system has the advantages that before the intelligent checking system is adopted for data checking, the central control module invokes the database in the storage unit, and sets the working mode of the substation according to the data of the database; the substation data acquisition unit acquires and records working data of the substation in a preset working mode, transmits the acquired data to the data receiving unit through the data transmission unit, and the data receiving unit decodes the data to generate a data function; the central control module is internally provided with a preset data function in the current working mode, compares the produced data function with the preset data function, judges whether the working mode of the substation is reasonable or not according to the comparison result, adjusts the working mode of the substation, reduces personnel participation in power grid enclosure through electronic distribution and electronic adjustment, and can more visually reflect the working state of the substation according to electronic data, so that the adjustment is more accurate than manual adjustment.
Particularly, the substation data acquisition unit is internally provided with an acquisition period time Tz, when the sub-stations work according to a working mode set by the central control module, the substation data acquisition unit starts to acquire and record working data of the sub-stations, the sub-station data acquisition unit calculates the acquisition period time T and compares the acquisition period time T with the acquisition period time Tz in real time, and the working data of the sub-stations are recorded and transmitted periodically, so that the master station can acquire the working state of the sub-stations in time.
Further, the data transmission unit transmits a data set a to the data receiving unit, the data receiving unit analyzes the data set a, generates a data function, and transmits the generated data function to the central control module, the data function includes a substation output voltage variation function Ab ═ f (tz), the central control module organizes and generates a preset substation output voltage variation function Ac ═ f (tc) according to information in a database, the central control module compares the generated function Ab ═ f (tz) with the preset function Ac ═ f (tc) to determine whether the preset substation working mode is reasonable, the preset data function and the actual data function are compared to find a difference point, the working mode of the substation is determined to be reasonable according to the difference point, the unreasonable working mode is adjusted, and required personnel of the substation are reduced, the number of personnel required by power grid adjustment and maintenance is reduced, and meanwhile, the working state of the substation can be more visually reflected according to electronic data, so that the adjustment is more accurate than manual adjustment.
Further, when the function Ab (f) (tz) is compared with the preset function Ac (f) (tc), the amplitude and the frequency of the function Ab (tz) are adjusted to be the function Ab (tz1), so that the amplitude and the frequency of the function Ab (tz1) are respectively the same as those of the function Ac (tc), the image of the function Ab (tz1) is translated, so that the peak point of the function Ab (tz1) is superposed with the peak point of the function Ac (tc), before comparing the functions, the amplitude, the frequency and the position of the produced function image are adjusted, so that the produced function is similar to the whole trend of the preset function, a central control module is convenient to identify and judge different areas, and the participation of personnel is further reduced through electronic data adjustment and comparison, thereby reducing the number of personnel required for power grid adjustment and maintenance, and simultaneously, according to the work state of the electronic data reaction, thereby being more accurate than the manual adjustment.
Further, when the central control module adjusts Ab ═ f (tz) to Ab ═ f (tz1), the amplitude adjustment parameter is P, and the frequency adjustment parameter is Q; an amplitude frequency adjustment amplitude judgment value Kz is arranged in the central control module, and the central control module calculates an amplitude frequency adjustment amplitude value K; the central control module compares the calculated amplitude frequency adjustment amplitude value K with a preset amplitude frequency adjustment amplitude judgment value Kz, judges the adjustment range when adjusting the amplitude and the frequency of a production function, judges the adjustment amplitude when adjusting the function, and indicates that the deviation between the preset working mode and the actual working condition is larger when the adjustment amplitude is overlarge, the central control module judges that the working mode of the substation is unreasonable in setting, and further reduces the participation of personnel through electronic data adjustment comparison, thereby reducing the number of personnel required by power grid adjustment and maintenance.
Further, specifically, when the central control module determines that the adjustment range of the function Ab ═ f (tz) is in the preset range, the central control module compares the function Ab ═ f (tz1) with the preset function Ac ═ f (tc), and when the function Ab ═ f (tz1) and the preset function Ac ═ f (tc) have regions with different trends, the central control module records the regions with different trends. Whether the working mode of the substation is reasonable or not is judged by recording different regions with different trends, the unreasonable working mode is adjusted, required personnel of the substation are reduced, the number of personnel required for power grid adjustment and maintenance is reduced, and meanwhile, the working state of the substation can be reflected more visually according to electronic data, so that the substation is adjusted more accurately.
Further, when the function Ab (tz1) and the preset function Ac (tc) have regions with different trends, the central control module calculates the difference degree R1 between the function Ab (tz1) and the preset function Ac (tc) in the regions with different trends, and determines the difference degree by determining the difference degree between the maximum difference point and the difference length of the difference region and weighting a plurality of data, so that the difference degree determination is more accurate, the accuracy of substation data determination is ensured, and the working state of the substation can be more intuitively reflected according to electronic data.
Particularly, when a plurality of regions with different trends exist between the function Ab ═ f (tz1) and the preset function Ac ═ f (tc), the central control module calculates the difference degree R2 and the difference degree R3 … difference degree Rn in sequence according to the method of the technical difference degree R1; the central control module calculates an integral difference value R0 of a function Ab (tz1) and a preset function Ac (f) (tc), an integral difference value reference value Rz is arranged in the central control module, the central control module compares the integral difference value R0 with the integral difference value reference value Rz, the difference degree of integral data is calculated, the difference degree judgment is more accurate, the accuracy of substation data judgment is guaranteed, and the working state of the reaction substation can be more visual according to electronic data.
Further, the central control module calculates an overall difference value R0 between the function Ab ═ f (tz1) and a preset function Ac ═ f (tc),
wherein C calculates the compensation parameter for the global difference R0. The central control module is internally provided with a first preset compensation parameter C1, a second preset compensation parameter C2 and a region number judgment value M with different trends, wherein C1 is less than C2, the central control module compares the total number n of the regions with different trends with the region number judgment value M with different trends, when the regions with different trends exist too many, the difference between a function Ab & ltf (tz1) and a preset function Ac & ltf (tc) is large, and the value of the compensation parameter is increased at the moment, so that the judgment of the integral difference degree is more accurate.
Further, when the central control module judges that the working mode of the substation is unreasonable, the central control module adjusts the working mode according to the unreasonable condition until the central control module judges that the working mode of the substation is reasonable. When the working mode is unreasonable, the central control module adjusts the working mode of the substation according to the electronic data, and the working mode is more accurate according to the electronic data adjustment.
Drawings
Fig. 1 is a schematic structural diagram of an intelligent verification system based on intelligent substation telecontrol configuration according to the present invention.
Detailed Description
In order that the objects and advantages of the invention will be more clearly understood, the invention is further described below with reference to examples; it should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
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 only for explaining the technical principle of the present invention, and do not limit the scope of the present invention.
It should be noted that in the description of the present invention, the terms of direction or positional relationship indicated by the terms "upper", "lower", "left", "right", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, which are only for convenience of description, and do not indicate or imply that the device or element must have a specific orientation, be constructed in a specific orientation, and be operated, 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 otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
Fig. 1 is a schematic structural diagram of an intelligent verification system based on intelligent substation telecontrol configuration according to the present invention. The invention discloses an intelligent checking system based on intelligent substation telecontrol configuration, which comprises,
a storage unit 1 in which a database built in advance is provided.
And the substation data acquisition unit 2 is used for acquiring substation data.
And the data transmission unit 3 is connected with the substation data acquisition unit 2 and is used for transmitting the acquired substation data.
And the data receiving unit 4 is arranged at a central station and connected with the data transmission unit 3, and is used for receiving data and converting the data format.
And the parameter configuration module 5 is used for adjusting the parameters of the substation.
And the central control module 6 is respectively connected with the storage unit 1, the data receiving unit 4 and the parameter configuration module 5 and is used for adjusting the working modes of the substations.
Before the intelligent checking system is used for data checking, the central control module 6 invokes a database in the storage unit 1, and sets the working mode of the substation according to the data of the database and the central control module 6.
Specifically, the substation data acquisition unit 2 is internally provided with an acquisition period time Tz, when the substation works according to the working mode set by the central control module 6, the substation data acquisition unit 2 starts to acquire and record the working data of the substation, the substation data acquisition unit 2 calculates, records the acquisition time T and compares the acquisition time T with the acquisition period time Tz in real time,
when T is less than or equal to Tz, the substation data acquisition unit 2 continues to record acquisition duration and perform data acquisition;
and when T is more than Tz, the substation data acquisition unit 2 stops timing, and packs the acquired data to generate a data set A.
The working data of the sub-stations are recorded periodically and are packed and transmitted, so that the master station can acquire the working states of the sub-stations in time, when the working modes of the sub-stations need to be adjusted, the master station can adjust the sub-stations according to the data, the number of required personnel of the sub-stations is reduced, the number of personnel required for power grid adjustment and maintenance is reduced, and meanwhile, the working states of the sub-stations can be reflected more visually according to electronic data, so that the sub-stations can be adjusted more accurately.
Specifically, the data transmission unit 3 transmits a data set a to the data receiving unit 4, the data receiving unit 4 analyzes the data set a and generates a data function, and the generated data function is transferred to the central control module 6.
Specifically, the data function comprises a substation output voltage change function Ab ═ f (Tz), wherein Tz represents any time within the acquisition cycle time length Tz, and Ab represents a substation output voltage value at the time Tz;
the central control module 6 arranges and generates a preset substation output voltage change function Ac ═ f (tc) according to the information in the database, wherein Ac ═ f (tc) represents a theoretical change curve of output voltage along with time in a single period under a preset working mode;
the central control module 6 compares the generated function Ab ═ f (tz) with the preset function Ac ═ f (tc) to determine whether the preset substation working mode is reasonable.
Through the preset data function of contrast and actual data function, discover the difference point, judge whether the working mode of sub-station is reasonable according to the difference point, adjust to unreasonable working mode, reduced the required personnel of sub-station, reduce the electric wire netting and adjust, maintain required personnel and count, simultaneously, can more audio-visual reaction sub-station's operating condition according to electronic data to more artificial more accurate of adjusting.
Specifically, when the function Ab ═ f (tz) is aligned with the preset function Ac ═ f (tc), the amplitude and frequency of the function Ab ═ f (tz) are adjusted to the function Ab ═ f (tz1) so that the amplitude and frequency of the function Ab ═ f (tz1) and the function Ac ═ f (tc) are respectively the same, and the image Ab ═ f (tz1) is shifted so that the peak point of the function Ab ═ f (tz1) coincides with the peak point of the function Ac ═ f (tc).
Before comparing the function, the amplitude, the frequency and the position of the produced function image are adjusted, the produced function is similar to the overall trend of the preset function, the central control module 6 is convenient to recognize and judge different areas, the comparison is adjusted through electronic data, the participation of personnel is further reduced, the number of personnel required by power grid adjustment and maintenance is reduced, meanwhile, the working state of the sub-station can be more intuitively reflected according to the electronic data, and the sub-station is more accurate than manual adjustment.
Further, when the central control module 6 adjusts Ab ═ f (tz) to Ab ═ f (tz1), the amplitude adjustment parameter is P, and the frequency adjustment parameter is Q; an amplitude frequency adjustment amplitude judgment value Kz is arranged in the central control module 6, the central control module 6 calculates an amplitude frequency adjustment amplitude value K, K is P × K1+ Q × K2, wherein K1 is a calculation weight parameter of an amplitude adjustment parameter P to K, and K2 is a calculation weight parameter of a frequency adjustment parameter Q to K;
the central control module 6 compares the calculated amplitude frequency adjustment amplitude value K with a preset amplitude frequency adjustment amplitude judgment value Kz,
when K is less than or equal to Kz, the central control module 6 judges that the adjustment amplitude of the function Ab ═ f (tz) is in a preset range;
when K is greater than Kz, the central control module 6 determines that the adjustment amplitude of the function Ab ═ f (tz) is not within the preset range, and the central control module 6 determines that the working mode setting of the substation is not reasonable.
When the amplitude and the frequency of the production function are adjusted, the adjusting range is judged, when the function is adjusted, the adjusting range is judged, when the adjusting range is overlarge, the deviation between the preset working mode and the actual working condition is large, the central control module 6 judges that the working mode of the substation is unreasonably set, and through electronic data adjustment and comparison, the participation of personnel is further reduced, so that the number of the personnel required by power grid adjustment and maintenance is reduced.
Specifically, when the central control module 6 determines that the adjustment range of the function Ab ═ f (tz) is within the preset range, the central control module 6 compares the function Ab ═ f (tz1) with the preset function Ac ═ f (tc), and when the function Ab ═ f (tz1) and the preset function Ac ═ f (tc) have regions with different trends, the central control module 6 records the regions with different trends.
Whether the working mode of the substation is reasonable or not is judged by recording different regions with different trends, the unreasonable working mode is adjusted, required personnel of the substation are reduced, the number of personnel required for power grid adjustment and maintenance is reduced, and meanwhile, the working state of the substation can be reflected more visually according to electronic data, so that the substation is adjusted more accurately.
Specifically, when the function Ab ═ f (tz1) and the preset function Ac ═ f (tc) have regions with different trends, the central control module 6 calculates the difference degree between the function Ab ═ f (tz1) and the preset function Ac ═ f (tc) in the regions with different trends, R1, and R1 ═ H × H + Y × Y, where H represents the difference value between the function Ab ═ f (tz1) and the preset function Ac ═ f (tc) in the regions with different trends, Y represents the length of the regions with different trends, H is the calculation compensation parameter of the difference value H of the maximum difference point to R1, and Y is the calculation compensation parameter of the length Y to R1.
The difference degree is judged by judging the maximum difference point and the difference length of the difference area and weighting a plurality of data, so that the difference degree is judged more accurately, the accuracy of judging the substation data is ensured, and the working state of the substation can be more visually reflected according to electronic data.
Specifically, when the function Ab ═ f (tz1) and the preset function Ac ═ f (tc) have a plurality of regions with different trends, the central control module 6 calculates the difference degree R2 and the difference degree R3 … difference degree Rn in sequence according to the method of the technical difference degree R1;
the central control module 6 calculates an overall difference R0 between the function Ab ═ f (tz1) and the preset function Ac ═ f (tc),
wherein C calculates the compensation parameter for the global difference R0.
Specifically, the central control module 6 is provided with a global difference reference value Rz, the central control module 6 compares the global difference value R0 with the global difference reference value Rz,
when R0 is not greater than Rz, the central control module 6 determines that the difference between the function Ab ═ f (tz1) and the preset function Ac ═ f (tc) is within a preset range, and the central control module 6 determines that the substation operating mode is reasonable;
when R0 > Rz, the central control module 6 determines that the difference between the function Ab ═ f (tz1) and the preset function Ac ═ f (tc) is not within the preset range, and the central control module 6 determines that the substation operating mode is not reasonable.
And the difference degree of the whole data is calculated, so that the difference degree judgment is more accurate, the accuracy of the data judgment of the substation is ensured, and the working state of the substation can be more visually reflected according to the electronic data.
Specifically, when the central control module 6 determines that the work mode of the substation is not reasonable, the central control module 6 adjusts the work mode according to the unreasonable condition until the central control module 6 determines that the work mode of the substation is reasonable.
When the working mode is not reasonable, the central control module 6 adjusts the working mode of the substation according to the electronic data, and the working mode is more accurate according to the electronic data adjustment.
Specifically, a first preset compensation parameter C1, a second preset compensation parameter C2 and a judgment value M of the number of regions with different trends are arranged in the central control module 6, C1 is less than C2, the central control module 6 compares the total number n of the regions with different trends with the judgment value M of the number of the regions with different trends,
when n is less than or equal to M, the central control module 6 judges that C is a first preset compensation parameter C1;
when n is greater than M, the central control module 6 determines that C is the second preset compensation parameter C2.
When there are too many regions with different trends, it is described that the difference between the function Ab ═ f (tz1) and the preset function Ac ═ f (tc) is large, and at this time, the value of the compensation parameter is increased, so that the overall difference degree determination is more accurate.
So far, the technical solutions of the present invention have 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 the present invention is obviously not limited to these specific embodiments. Equivalent changes or substitutions of related technical features can be made by those skilled in the art without departing from the principle of the invention, and the technical scheme after the changes or substitutions can fall into the protection scope of the invention.
Claims (10)
1. An intelligent checking system based on intelligent substation telecontrol configuration is characterized by comprising,
a storage unit in which a database established in advance is provided;
the substation data acquisition unit is used for acquiring substation data;
the data transmission unit is connected with the substation data acquisition unit and is used for transmitting the acquired substation data;
the data receiving unit is arranged at the head station, connected with the data transmission unit and used for receiving data and converting the data format;
the parameter configuration module is used for adjusting parameters of the substation;
the central control module is respectively connected with the storage unit, the data receiving unit and the parameter configuration module and is used for adjusting the working mode of the substation;
before the intelligent checking system is adopted for data checking, the central control module invokes a database in the storage unit, and sets the working mode of the substation according to the data of the database;
the substation data acquisition unit acquires and records working data of the substation in a preset working mode, transmits the acquired data to the data receiving unit through the data transmission unit, and the data receiving unit decodes the data to generate a data function;
the central control module is internally provided with a preset data function in the current working mode, compares the produced data function with the preset data function, judges whether the working mode of the substation is reasonable or not according to the comparison result, and adjusts the working mode of the substation.
2. The intelligent verification system based on the intelligent substation telecontrol configuration of claim 1, wherein the substation data acquisition unit is internally provided with an acquisition period time Tz, when the substation works according to the working mode set by the central control module, the substation data acquisition unit starts to acquire and record the working data of the substation, the substation data acquisition unit calculates, records the acquisition time T and compares the acquisition time T with the acquisition period time Tz in real time,
when T is less than or equal to Tz, the substation data acquisition unit continues to record acquisition duration and perform data acquisition;
and when T is more than Tz, the substation data acquisition unit stops timing, and packs the acquired data to generate a data set A.
3. The intelligent verification system based on the intelligent substation telecontrol configuration of claim 2, wherein the data transmission unit transmits a data set A to the data receiving unit, the data receiving unit analyzes the data set A and generates a data function, and the generated data function is transmitted to the central control module;
the data function comprises a substation output voltage change function Ab ═ f (Tz), wherein Tz represents any time in the time length Tz of the acquisition cycle, and Ab represents the output voltage value of the substation at the time Tz;
the central control module is used for generating a preset substation output voltage change function Ac (f) (tc) according to the information of the database, wherein the Ac (f) (tc) represents a theoretical change curve of the output voltage along with time in a single period under a preset working mode;
and the central control module compares the generated function Ab (f) (tz) with a preset function Ac (f) (tc) to judge whether the preset substation working mode is reasonable.
4. The intelligent verification system based on intelligent substation telecontrol configuration of claim 3, characterized in that when comparing the function Ab ═ f (tz) with the preset function Ac ═ f (tc), the amplitude and frequency of the function Ab ═ f (tz) are adjusted to the function Ab ═ f (tz1), so that the amplitude and frequency of the Ab ═ f (tz1) and Ac ═ f (tc) are respectively the same, and the Ab ═ f (tz1) image is translated so that the peak point of the Ab ═ f (tz1) coincides with the peak point of the Ac ═ f (tc).
5. The intelligent substation telecontrol configuration-based intelligent verification system of claim 4, wherein when the central control module adjusts Ab to f (tz) to Ab f (tz1), the amplitude adjustment parameter is P and the frequency adjustment parameter is Q; an amplitude frequency adjustment amplitude judgment value Kz is arranged in the central control module, the central control module calculates an amplitude frequency adjustment amplitude value K, K is P multiplied by K1+ Q multiplied by K2, wherein K1 is a calculation weight parameter of an amplitude adjustment parameter P to K, and K2 is a calculation weight parameter of a frequency adjustment parameter Q to K;
the central control module compares the calculated amplitude frequency adjustment amplitude value K with a preset amplitude frequency adjustment amplitude judgment value Kz,
when K is less than or equal to Kz, the central control module judges that the adjustment amplitude of the function Ab ═ f (tz) is in a preset range;
and when K is larger than Kz, the central control module judges that the adjusting amplitude of the function Ab ═ f (tz) is not in a preset range, and the central control module judges that the working mode of the substation is unreasonably set.
6. The intelligent verification system based on the intelligent substation telecontrol configuration of claim 5, wherein when the central control module determines that the adjustment range of the function Ab ═ f (tz) is in the preset range, the central control module compares the function Ab ═ f (tz1) with the preset function Ac ═ f (tc), and when the function Ab ═ f (tz1) and the preset function Ac ═ f (tc) have areas with different trends, the central control module records the areas with different trends.
7. The intelligent verification system based on the intelligent substation telecontrol configuration of claim 6, wherein when there are areas with different trends in the function Ab ═ f (tz1) and the preset function Ac ═ f (tc), the central control module calculates the difference degree R1 between the function Ab ═ f (tz1) and the preset function Ac ═ f (tc) in the areas with different trends, R1 ═ H + Y × Y, wherein H represents the difference value between the function Ab ═ f (tz1) and the preset function Ac ═ f (tc) in the areas with different trends, Y represents the length of the areas with different trends, H is the calculated compensation parameter of the difference value H of the maximum difference point to R1, and Y is the calculated compensation parameter of the length Y to R1.
8. The intelligent verification system based on the intelligent substation telecontrol configuration of claim 7, wherein when a plurality of regions with different trends exist between a function Ab ═ f (tz1) and a preset function Ac ═ f (tc), the central control module calculates a difference degree R2 and a difference degree R3 … difference degree Rn in sequence according to the method of the technical difference degree R1;
the central control module calculates an overall difference value R0 between the function Ab ═ f (tz1) and a preset function Ac ═ f (tc),
wherein C is a compensation parameter calculated by the overall difference value R0;
the central control module is internally provided with a whole difference value reference value Rz, the central control module compares the whole difference value R0 with the whole difference value reference value Rz,
when R0 is not more than Rz, the central control module determines that the difference between the function Ab ═ f (tz1) and the preset function Ac ═ f (tc) is within a preset range, and determines that the substation work mode is reasonable;
when R0 > Rz, the central control module determines that the difference between the function Ab ═ f (tz1) and the preset function Ac ═ f (tc) is not within the preset range, and the central control module determines that the substation operating mode is not reasonable.
9. The intelligent verification system based on the intelligent substation telecontrol configuration of claim 8, wherein when the central control module determines that the substation operating mode is unreasonable, the central control module adjusts the operating mode according to the unreasonable condition until the central control module determines that the substation operating mode is reasonable.
10. The intelligent verification system based on the intelligent substation telecontrol configuration of claim 8, wherein a first preset compensation parameter C1, a second preset compensation parameter C2 and a region number judgment value M with different trends are arranged in the central control module, C1 is less than C2, the central control module compares the total number n of regions with different trends with the region number judgment value M with different trends,
when n is less than or equal to M, the central control module judges that C is a first preset compensation parameter C1;
and when n is larger than M, the central control module judges that C is a second preset compensation parameter C2.
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