CN109472429B - Large-user load regulation and control system and regulation and control method based on maritime communication database - Google Patents
Large-user load regulation and control system and regulation and control method based on maritime communication database Download PDFInfo
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Abstract
The invention relates to a large-user load regulation and control system based on a maritime communication database, which comprises a data application unit, a data analysis unit, a data storage unit and a data acquisition unit which are sequentially connected, wherein the data application unit comprises a client application server and an acousto-optic alarm module, the client application server is connected with the acousto-optic alarm module, the data analysis unit comprises a data preprocessing module, a calculation service module and a statistical service module which are respectively connected with the client application server and the data storage unit and are mutually independent, the data storage unit comprises a maritime communication data platform, the data acquisition unit comprises a plurality of data acquisition modules, the input end of the data acquisition module is connected with a data source, and the output end of the data acquisition module is connected with the maritime communication data platform. The invention has the advantages that: the data transmission is accurate and quick; the database has strong processing capacity, large capacity and stable operation; the system is convenient to build; the comprehensive and real-time load information of each line can be provided.
Description
Technical Field
The invention relates to the field of power energy efficiency management, in particular to a large-user load regulation and control system and a large-user load regulation and control method based on a marine message database.
Background
The distribution network line has various contact modes, and the supply switching mode is increasingly flexible. However, some lines are only connected in a station, or the lines are loaded, so that the transfer is difficult, but the requirements of the modern society on the reliability of power supply are increasing day by day, and higher requirements on the reliability and the rapidness of load transfer are provided when a dispatching department has a distribution network fault, a substation is intensively overhauled, and an upper-level power grid fault. When the 10kV line is supplied, the supply is limited by factors such as line diameter, main transformer capacity, load characteristics and the like, and the supply of each line with contact in all time intervals cannot be guaranteed.
When a dispatching department arranges the operation mode of a distribution network, the OPEN3000 system and the PMS2.0 system are mainly used for inquiring the load and the contact mode of a line, only simple estimation can be carried out, whether the line can be supplied or not is judged, and the condition that the whole line of a certain line is out of service is often caused under the condition that the line cannot be supplied.
Disclosure of Invention
The invention mainly solves the problems of rough line load estimation and untimely data, and provides a large-user load regulation and control system based on a marine message database, which can realize the regulation and reading of historical data, perform curve superposition calculation, accurately determine the line load property and provide comprehensive and real-time load information.
The technical scheme adopted by the invention for solving the technical problems is as follows: a large user load regulation and control system based on a maritime communication database is characterized in that: the data analysis unit comprises a data application unit, a data analysis unit, a data storage unit and a data acquisition unit which are sequentially connected, wherein the data application unit comprises a client application server and an acousto-optic alarm module, the client application server is connected with the acousto-optic alarm module, the data analysis unit comprises a data preprocessing module, a calculation service module and a statistic service module which are mutually independent, the data preprocessing module, the calculation service module and the statistic service module are respectively connected with the client application server and the data storage unit, the data storage unit comprises a marine message data platform, the data acquisition unit comprises a plurality of data acquisition modules, the input end of the data acquisition module is connected with a data source, and the output end of the data acquisition module is connected with the marine message data platform.
According to the invention, a data acquisition unit acquires line load information and transmits the line load information to a data storage unit, the data storage unit stores the load information in a marine communication data platform, a data preprocessing module, a calculation service module and a statistic service module in a data analysis unit respectively call data in the marine communication data platform to preprocess, calculate and statistically process the data, and after the data processing is finished, a processing result is transmitted to a data application unit, the three modules do not influence each other, the three modules work in parallel, and the data processing efficiency is high. The client application server of the data application unit displays the load information of each line, and controls the acousto-optic alarm module to alarm when the client application server discovers the conditions of low voltage or power failure of the line and the like.
As a preferable scheme of the above scheme, the data application unit further includes a first maritime communication high-speed real-time data interface, an output end of the first maritime communication high-speed real-time data interface is connected with the client application server, and an input end of the first maritime communication high-speed real-time data interface is connected with the data analysis unit. The first ocean communication high-speed real-time data interface is responsible for communication between the client application server and the data analysis unit, and the ocean communication high-speed real-time data interface is adopted, so that data transmission is accurate and timely.
As a preferable scheme of the above scheme, the data storage unit further includes a second maritime communication high-speed real-time data interface, an output end of the second maritime communication high-speed real-time data interface is connected with the maritime communication data platform, and an input end of the second maritime communication high-speed real-time data interface is connected with the data acquisition unit. The second high-speed real-time data interface for the marine messages is responsible for communication between the marine message data platform and the data acquisition unit, and the marine message high-speed real-time data interface is adopted, so that data transmission is accurate and timely.
As a further preferable scheme of the above scheme, the maritime communication data platform includes a maritime communication database and a general-purpose relational database, and the maritime communication database and the general-purpose relational database are respectively connected to the second maritime communication high-speed real-time data interface and the data analysis unit. The marine message database has good compatibility, large storage capacity, high retrieval efficiency and stable operation.
As a preferable scheme of the above scheme, one end of the data acquisition module is connected with the data source, and the other end of the data acquisition module is connected with the second maritime communication high-speed real-time data interface. The data source is each power supply circuit of the transformer substation, the data acquisition interface is connected with each power supply circuit, acquires load information of each power supply circuit, and transmits the information to the data storage unit through the second marine high-speed real-time data interface.
As a preferable scheme of the above scheme, the acousto-optic warning module includes a USB interface, a single chip microcomputer, an LED lamp and a buzzer, an outer end of the USB interface is connected to the client application service, an inner end of the USB interface is connected to the single chip microcomputer, the single chip microcomputer and the LED lamp are connected to the buzzer, and the LED lamp and the buzzer are connected in parallel. The sound and light alarm module is communicated with the client application server through the USB interface and obtains electric energy through the USB interface, and the LED lamp is connected with the buzzer in parallel, so that the reliability of the sound and light alarm module is improved.
The invention also provides a large user load regulation and control method based on the marine message database, which adopts the large user load regulation and control system based on the marine message database to regulate and control the load of the power supply circuit of the transformer substation, and the method comprises the following steps:
the method comprises the following steps: the data acquisition unit acquires the line load information of the transformer substation and stores the line load information into the marine communication data platform;
step two: the data analysis unit calls line load information in the marine message data platform, screens and counts lines which do not meet the requirement of N-1 and load heavy-load lines;
step three: the data analysis unit is used for analyzing and processing the load information of the screened lines, drawing a tie line load superposition trend graph and judging whether the lines can be completely supplied according to the line load information and the trend of the tie line load superposition trend graph;
step four: if the circuit can be completely transferred, a transfer scheme is established for transferring the circuit; if the line can not be completely transferred, the electricity utilization regulation and control of a large user are carried out so that the line meets all transfer conditions, and a transfer scheme is formulated to carry out line transfer.
In the method for regulating and controlling the load of the large user based on the maritime communication database, the load information comprises the TA transformation ratio of the line, the protection allowance limit, the connection condition with other lines, the real-time load current of the line and the sum information of the current of the two connecting lines.
In the method for regulating and controlling the load of the large subscriber based on the maritime database, the power utilization regulation and control of the large subscriber in the fourth step comprises the following steps:
s1: the data analysis unit analyzes historical data of electricity consumption of a large user on a line and the influence of the load of the user on the line load;
s2: the data analysis unit draws a trend graph of the difference between the line load and the large user load, if the difference between the line load and the large user load has a reduction trend and the difference value is smaller than a set value, the fact that the large user needs to carry out peak staggering or power limiting is confirmed, and otherwise, the fact that the peak staggering or power limiting is not carried out is not needed;
s3: if the large user does not need to carry out peak staggering or power limiting, no processing is carried out, and if the large user needs to carry out peak staggering or power limiting, the staff is reminded to carry out power limiting or peak staggering of different levels on the power consumption of the large user according to the difference range of the line load and the load of the large user.
The invention has the advantages that: a high-speed real-time data interface for marine messages is adopted, so that data transmission is accurate and fast; the adoption of the marine message database has the advantages of strong data processing capability, large capacity, good compatibility, high data query efficiency and stable operation; the system has simple structure and is convenient to build; the comprehensive and real-time load information of each line can be provided.
Drawings
FIG. 1 is a schematic diagram of a structure of the present invention.
Fig. 2 is a schematic structural diagram of the acousto-optic alarm module.
Fig. 3 is a flowchart of a method for regulating and controlling a load of a large subscriber based on a maritime database.
Fig. 4 is a flow chart of the regulation of the power consumption of the large user.
The system comprises a client application server 2, a first maritime communication high-speed real-time data interface 3, a data preprocessing module 4, a calculation service module 5, a statistical service module 6, a maritime communication data platform 7, a maritime communication database 8, a universal relational database 9, a second maritime communication high-speed real-time data interface 10, a data acquisition interface 11, a data source 12, a data application unit 13, a data analysis unit 14, a data storage unit 15, a data acquisition unit 16, an acousto-optic alarm module 17, a USB interface 18, a single chip microcomputer 19, an LED lamp 20 and a buzzer.
Detailed Description
The technical solution of the present invention is further described below by way of examples with reference to the accompanying drawings.
Example (b):
the big user load regulation and control system based on the maritime communication database comprises a data application unit 12, a data analysis unit 13, a data storage unit 14 and a data acquisition unit 15 which are sequentially connected, wherein the data application unit comprises a client application server 1 and an acousto-optic alarm module 16, the client application server is connected with the acousto-optic alarm module, the data analysis unit comprises a data preprocessing module 3, a calculation service module 4 and a statistic service module 5, the three modules are mutually independent and are respectively connected with a first maritime communication high-speed real-time data interface and a maritime communication data platform, the data storage unit comprises a maritime communication data platform 6, the data acquisition unit comprises a plurality of data acquisition modules 10, the input end of each data acquisition module 10 is connected with a data source, and the output end of each data acquisition module is connected with a second maritime communication high-speed real-time data interface 9. The data application unit also comprises a first ocean communication high-speed real-time data interface 2, the output of which is connected with the client application server, and the input of which is connected with the data analysis unit. The data storage unit also comprises a second marine information high-speed real-time data interface 9, the output of the second marine information high-speed real-time data interface is connected with the marine information data platform, and the input end of the second marine information high-speed real-time data interface is connected with the data acquisition unit. The marine information data platform comprises a marine information database 7 and a general relation database 8, wherein the marine information database and the general relation database are respectively connected with a second marine information high-speed real-time data interface 9 and a data analysis unit.
The data acquisition unit acquires line load information and transmits the line load information to the data storage unit, the data storage unit stores the load information in the marine communication data platform, the data preprocessing module, the calculation service module and the statistics service module in the data analysis unit respectively call data in the marine communication data platform to preprocess, calculate and statistically process the data, and after the data processing is finished, a processing result is transmitted to the data application unit, the three modules do not influence each other, the three modules work in parallel, and the data processing efficiency is high. The client application server of the data application unit displays the load information of each line, and controls the acousto-optic alarm module to alarm when the client application server discovers the conditions of low voltage or power failure of the line and the like.
As shown in fig. 2, the sound and light alarm module includes a USB interface 17, a single chip 18, an LED lamp 19 and a buzzer 20, the external end of the USB interface is connected to the client application service, the internal end of the USB interface is connected to the single chip, the single chip is connected to the LED lamp and the buzzer, and the LED lamp and the buzzer are connected in parallel.
Correspondingly, the embodiment provides a large user load regulation and control method based on a maritime information database, as shown in fig. 3, including the following steps:
the method comprises the following steps: the data acquisition unit acquires the line load information of the transformer substation and stores the line load information into the marine communication data platform;
step two: the data analysis unit calls line load information in the marine message data platform, screens and counts lines which do not meet the requirement of N-1 and load heavy-load lines;
step three: the data analysis unit is used for analyzing and processing the load information of the screened lines, drawing a tie line load superposition trend graph and judging whether the lines can be completely supplied according to the line load information and the trend of the tie line load superposition trend graph;
step four: if the circuit can be completely transferred, a transfer scheme is established for transferring the circuit; if the line can not be completely transferred, the electricity utilization regulation and control of a large user are carried out so that the line meets all transfer conditions, and a transfer scheme is formulated to carry out line transfer.
The load information collected by the data acquisition unit comprises the TA transformation ratio of the line, the protection allowance limit, the condition of connection with other lines, the real-time load current of the line and the sum information of the current of the two connecting lines.
The large user power utilization regulation and control in the fourth step, as shown in fig. 4, includes the following steps:
s1: the data analysis unit analyzes historical data of electricity consumption of a large user on a line and the influence of the load of the user on the line load;
s2: the data analysis unit draws a trend graph of the difference between the line load and the large user load, if the difference between the line load and the large user load has a reduction trend and the difference value is smaller than a set value, the fact that the large user needs to carry out peak staggering or power limiting is confirmed, and otherwise, the fact that the peak staggering or power limiting is not carried out is not needed;
s3: if the large user does not need to carry out peak staggering or power limiting, no processing is carried out, and if the large user needs to carry out peak staggering or power limiting, the staff is reminded to carry out power limiting or peak staggering of different levels on the power consumption of the large user according to the difference range of the line load and the load of the large user.
The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications or additions may be made to the described embodiments or alternatives may be employed by those skilled in the art without departing from the spirit or ambit of the invention as defined in the appended claims.
Although the terms data acquisition unit, data storage unit, data analysis unit, data application unit, etc. are used more often herein, the possibility of using other terms is not excluded. These terms are used merely to more conveniently describe and explain the nature of the present invention; they are to be construed as being without limitation to any additional limitations that may be imposed by the spirit of the present invention.
Claims (6)
1. A large user load regulation and control system based on a maritime communication database is characterized in that: comprises a data application unit (12), a data analysis unit (13), a data storage unit (14) and a data acquisition unit (15) which are connected in sequence, the data application unit comprises a client application server (1) and an acousto-optic alarm module (16), the client application server is connected with the acousto-optic alarm module, the data analysis unit comprises a data preprocessing module (3), a calculation service module (4) and a statistic service module (5) which are mutually independent, the data preprocessing module (3), the calculation service module (4) and the statistic service module (5) are respectively connected with the client application server and the data storage unit, the data storage unit comprises a maritime communication data platform (6), the data acquisition unit comprises a plurality of data acquisition modules (10), the input end of each data acquisition module is connected with a data source (11), and the output end of each data acquisition module is connected with the maritime communication data platform;
the method for regulating and controlling the load of the large user based on the maritime information database by adopting the system comprises the following steps:
the method comprises the following steps: the data acquisition unit acquires the line load information of the transformer substation and stores the line load information into the marine communication data platform;
step two: the data analysis unit calls line load information in the marine message data platform, screens and counts lines which do not meet the requirement of N-1 and load heavy-load lines;
step three: the data analysis unit is used for analyzing and processing the load information of the screened lines, drawing a tie line load superposition trend graph and judging whether the lines can be completely supplied according to the line load information and the trend of the tie line load superposition trend graph;
step four: if the circuit can be completely transferred, a transfer scheme is established for transferring the circuit; if the line can not be completely transferred, the electricity utilization regulation and control of a large user are carried out so that the line meets all transfer conditions, and a transfer scheme is formulated to carry out line transfer;
the power utilization regulation and control of the large users in the fourth step comprises the following steps:
s1: the data analysis unit analyzes historical data of electricity consumption of a large user on a line and the influence of the load of the user on the line load;
s2: the data analysis unit draws a trend graph of the difference between the line load and the large user load, if the difference between the line load and the large user load has a reduction trend and the difference value is smaller than a set value, the fact that the large user needs to carry out peak staggering or power limiting is confirmed, and otherwise, the fact that the peak staggering or power limiting is not carried out is not needed;
s3: if the large user does not need to carry out peak staggering or power limiting, no processing is carried out, and if the large user needs to carry out peak staggering or power limiting, the staff is reminded to carry out power limiting or peak staggering of different levels on the power consumption of the large user according to the difference range of the line load and the load of the large user.
2. The large subscriber load regulation system based on maritime database according to claim 1, wherein: the data application unit further comprises a first maritime communication high-speed real-time data interface (2), the output end of the first maritime communication high-speed real-time data interface is connected with the client application server, and the input end of the first maritime communication high-speed real-time data interface is connected with the data analysis unit.
3. The large subscriber load regulation system based on maritime database according to claim 1, wherein: the data storage unit further comprises a second sea communication high-speed real-time data interface (9), the output end of the second sea communication high-speed real-time data interface is connected with the sea communication data platform, and the input end of the second sea communication high-speed real-time data interface is connected with the data acquisition unit.
4. A large subscriber load regulation system based on maritime database according to claim 1 or 3, characterized by: the marine message data platform comprises a marine message database (7) and a general relation database (8), wherein the marine message database and the general relation database are respectively connected with a second marine message high-speed real-time data interface (9) and a data analysis unit.
5. The large subscriber load regulation system based on maritime database according to claim 1, wherein: the acousto-optic warning module comprises a USB interface (17), a single chip microcomputer (18), an LED lamp (19) and a buzzer (20), the outer end of the USB interface is connected with a client application service, the inner end of the USB interface is connected with the single chip microcomputer, the single chip microcomputer is connected with the LED lamp and the buzzer, and the LED lamp is connected with the buzzer in parallel.
6. The large subscriber load regulation system based on maritime database according to claim 1, wherein: the load information comprises the TA transformation ratio of the line, the protection allowance limit, the connection condition with other lines, the real-time load current of the line and the sum information of the current of the two connecting lines.
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