CN111769548A - Remote intelligent regulation and control system and method for distribution transformer - Google Patents
Remote intelligent regulation and control system and method for distribution transformer Download PDFInfo
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- CN111769548A CN111769548A CN202010537012.3A CN202010537012A CN111769548A CN 111769548 A CN111769548 A CN 111769548A CN 202010537012 A CN202010537012 A CN 202010537012A CN 111769548 A CN111769548 A CN 111769548A
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J3/00—Circuit arrangements for ac mains or ac distribution networks
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J13/00—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network
- H02J13/00001—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network characterised by the display of information or by user interaction, e.g. supervisory control and data acquisition systems [SCADA] or graphical user interfaces [GUI]
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J13/00—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network
- H02J13/00032—Systems characterised by the controlled or operated power network elements or equipment, the power network elements or equipment not otherwise provided for
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J13/00—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network
- H02J13/00032—Systems characterised by the controlled or operated power network elements or equipment, the power network elements or equipment not otherwise provided for
- H02J13/00034—Systems characterised by the controlled or operated power network elements or equipment, the power network elements or equipment not otherwise provided for the elements or equipment being or involving an electric power substation
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J3/00—Circuit arrangements for ac mains or ac distribution networks
- H02J3/12—Circuit arrangements for ac mains or ac distribution networks for adjusting voltage in ac networks by changing a characteristic of the network load
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Human Computer Interaction (AREA)
- Supply And Distribution Of Alternating Current (AREA)
- Remote Monitoring And Control Of Power-Distribution Networks (AREA)
Abstract
The invention discloses a remote intelligent regulation and control system and a method for a distribution transformer, and relates to the technical field of voltage and capacitance regulation of distribution transformers. The acquisition module acquires voltage and current information output by the distribution transformer in real time, and transmits the information to the data receiving module through the communication module after the information is conditioned by the signal conditioning module; after the data receiving module receives the data, the power load forecasting module forecasts the power load demand of 5min in the future according to the received real-time data and by combining the historical operation data of the distribution transformer; the data processing module gives a regulation and control strategy within 1min in the future of the distribution transformer according to the predicted data and the collected data, and sends a regulation and control instruction through the cloud control platform; the regulation and control instruction is transmitted to the execution module through the communication module, and the execution module executes the regulation and control instruction, regulates and controls the tapping tap and the capacity of the distribution transformer, so that the real-time regulation of the distribution transformer is achieved, and the power supply quality is effectively improved.
Description
Technical Field
The invention relates to the technical field of voltage and capacitance regulation of distribution transformers, in particular to a remote intelligent regulation and control system and method of a distribution transformer.
Background
Distribution lines can cause voltage fluctuation because of user or line load unstability in the use, and the voltage crosses lowly can appear burning out the motor, increase line loss, reduce and send electrical equipment ability, and the voltage is too high to lead to joining in marriage change equipment and consumer loss to increase, and the life-span shortens by a wide margin, just needs the transformer in time to adjust voltage height at this time to promote power supply quality, improve equipment and exert oneself, extension equipment life. On the other hand, in seasonal power utilization peak and time-interval load valley period, the distribution transformer load rate is very low and often reaches less than 30%, and the transformer is in a large-horse-drawn trolley state for a long time, so that the no-load loss of the transformer is easy to cause serious. At this time, the transformer is required to be capable of automatically adjusting the capacity according to the load size so as to be adaptive to the load, the loss is reduced under light load, and the energy is greatly saved.
Traditional distribution transformer voltage regulation is transferred and is held technique most to concentrate on joining in marriage a transformer itself, change and join in marriage at present and change more ripe structure, change the inside automatic regulation module that increases of change, again according to the load condition setting adjustment time and threshold value of the year, regulate and control by distribution transformer by oneself, then regularly to the data of gathering, the result of regulation carries out the integrated analysis back, the adjustment of the parameter of holding is transferred in the pressure regulating again, some problems have been solved to such regulation mode, but because there is certain time difference, enough surplus can all be reserved in the regulation, can not in time solve the voltage quality problem, distribution equipment also has certain loss simultaneously, also need the personnel of arranging for a long time to follow up regularly.
Disclosure of Invention
The invention aims to provide a remote intelligent regulating and controlling system and a method thereof for a distribution transformer, and solves the problems that the existing voltage and capacitance regulating system for the distribution transformer cannot be regulated according to real-time data, and the power supply quality cannot be guaranteed.
In order to solve the technical problems, the invention adopts the following technical scheme: the utility model provides a distribution transformer remote intelligent regulation and control system which characterized in that: the remote control system comprises an on-site device and a remote control device, wherein the on-site device is assembled on a distribution transformer and is in signal connection with the remote control device;
the on-site device comprises an acquisition module, a communication module, a signal conditioning module and an execution module; the remote control device comprises a data receiving module, a data processing module, an electric load forecasting module, a cloud control platform and a human-computer interface;
wherein: the acquisition module acquires voltage and current information output by the distribution transformer;
the signal conditioning module amplifies and converts the acquired data;
the communication module sends out the conditioned data and receives a regulation and control instruction sent by the cloud control platform;
the execution module executes the regulation and control instruction to regulate and control the tapping tap and the capacity of the distribution transformer;
the data receiving module receives the data transmitted by the communication module;
the power load forecasting module forecasts the power load demand of 5min in the future according to the received data and by combining the historical operation data of the distribution transformer;
and the data processing module gives a regulation and control strategy within 1min in the future of the distribution transformer according to the predicted data and the acquired data, and sends a regulation and control instruction through the cloud control platform.
The further technical scheme is that the human-computer interface comprises a start button, a stop button, a look-up button, a down button, a left button, a right button, a real-time regulation and control of the distribution transformer are started or stopped, and historical voltage, current, regulation and control strategies and execution conditions of the distribution transformer are consulted.
According to a further technical scheme, a first GPS time setting module is arranged in the execution module, and a second time setting module is arranged in the cloud control platform.
The invention also discloses a remote intelligent regulation and control method of the distribution transformer, which is characterized by comprising the following steps:
s1: the acquisition module acquires voltage and current information output by the distribution transformer in real time, and transmits the information to the data receiving module through the communication module after the information is conditioned by the signal conditioning module;
s2: after the data receiving module receives the data, the power load forecasting module forecasts the power load demand of 5min in the future according to the received real-time data and by combining the historical operation data of the distribution transformer;
s3: the data processing module gives a regulation and control strategy within 1min in the future of the distribution transformer according to the predicted data and the collected data, and sends a regulation and control instruction through the cloud control platform;
s4: the regulation and control instruction is transmitted to the execution module through the communication module, and the execution module executes the regulation and control instruction to regulate and control the tapping tap and the capacity of the distribution transformer.
According to a further technical scheme, the execution module carries out time synchronization through the first GPS time synchronization module and the cloud control platform carries out time synchronization through the second time synchronization module, and executes and issues instructions on time.
The further technical scheme is that the power load forecasting module forecasts the power load demand of the distribution transformer in the future for 5min, and compares and analyzes the power load demand in combination with historical operation data, corrects and optimizes the forecasting module on line, and checks the forecasting data in the future for 5 min.
Compared with the prior art, the invention has the beneficial effects that:
1. real-time regulation and control can be realized by assembling the local device on the distribution transformer, and the normal operation of equipment is not influenced.
2. The load demand of the distribution transformer in the future 5min is predicted through the power load prediction module, the voltage and the capacity of the distribution transformer are adjusted in time through the execution module to adapt to the load change in the future 1min, the real-time adjustment of the distribution transformer is achieved, and the power supply quality is effectively improved.
3. The power consumption load prediction module has the functions of online correction and optimization, does not need long-term attendance of operators, and can realize automatic intelligent adjustment.
4. The man-machine interface can be used for browsing and inquiring the control record and the distribution transformation execution condition, so that subsequent professionals can conveniently look up and study the load prediction and the control record, and analyze, formulate and adjust the control strategy.
Drawings
Fig. 1 is a schematic structural diagram of a remote intelligent control system for a distribution transformer according to the present invention.
Fig. 2 is a flowchart of a remote intelligent control method for a distribution transformer according to the present invention.
Fig. 3 is a flow chart of the electrical load prediction module according to the present invention.
In the figure: the system comprises a local device 1, an acquisition module 11, a communication module 12, a signal conditioning module 13, an execution module 14, a first GPS time setting module 141, a remote control device 2, a data receiving module 21, a data processing module 22, an electric load forecasting module 23, a cloud control platform 24, a second GPS time setting module 241 and a human-computer interface 25.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Fig. 1 shows a remote intelligent regulation and control system for a distribution transformer, which comprises a local device 1 and a remote control device 2, wherein the local device 1 is assembled on the distribution transformer and is in signal connection with the remote control device 2.
The local device 1 comprises an acquisition module 11, a communication module 12, a signal conditioning module 13 and an execution module 14. The remote control device 2 comprises a data receiving module 21, a data processing module 22, an electrical load prediction module 23, a cloud control platform 24 and a human-computer interface 25. The execution module 14 is internally provided with a first GPS time-setting module 141, and the cloud control platform 24 is internally provided with a second time-setting module 241. The human-machine interface 25 includes start, stop, look up, down, left, right buttons, start or stop real-time regulation of the distribution transformer, look up of historical voltage, current, regulation strategy and execution of the distribution transformer.
The regulation and control method of the distribution transformer remote intelligent regulation and control system is shown in fig. 2, and comprises the following specific steps:
s1: the acquisition module 11 acquires voltage and current information output by the distribution transformer in real time, and transmits the information to the data receiving module 21 through the communication module 12 after being conditioned by the signal conditioning module 13;
s2: after the data receiving module 21 receives the data, the power load forecasting module 23 forecasts the power load demand of 5min in the future according to the received real-time data and by combining the historical operation data of the distribution transformer;
s3: the data processing module 22 gives a regulation and control strategy within 1min in the future of the distribution transformer according to the predicted data and the collected data, and sends a regulation and control instruction through the cloud control platform 24;
s4: the control command is transmitted to the execution module 14 through the communication module 12, and the execution module 14 executes the control command to control the tap and the capacity of the distribution transformer.
In order to ensure the punctuality of instruction issuing and execution, the first GPS time synchronization module 141 of the execution module 14 and the second time synchronization module 241 of the cloud control platform 24 perform time synchronization, execute on time and issue instructions.
As shown in fig. 3, the power load prediction module 23 predicts the power load demand of the distribution transformer in the future 5min, and performs comparative analysis by combining with the historical operation data, corrects and optimizes the prediction module on line, and checks the prediction data in the future 5 min.
While the invention has been described herein with reference to a number of illustrative embodiments thereof, it should be understood that numerous other modifications and embodiments can be devised by those skilled in the art that will fall within the scope of the disclosure. More specifically, various modifications and improvements to the component parts may be made within the scope of the disclosure, the drawings and the claims. In addition to variations and modifications in the component parts, other uses will also be apparent to those skilled in the art.
Claims (6)
1. The utility model provides a distribution transformer remote intelligent regulation and control system which characterized in that: the remote control system comprises an on-site device (1) and a remote control device (2), wherein the on-site device (1) is assembled on a distribution transformer and is in signal connection with the remote control device (2);
the on-site device (1) comprises an acquisition module (11), a communication module (12), a signal conditioning module (13) and an execution module (14); the remote control device (2) comprises a data receiving module (21), a data processing module (22), an electric load forecasting module (23), a cloud control platform (24) and a human-computer interface (25);
wherein: the acquisition module (11) acquires voltage and current information output by the distribution transformer;
the signal conditioning module (13) amplifies and converts the acquired data;
the communication module (12) sends out the conditioned data and receives a regulation and control instruction sent by the cloud control platform (24);
the execution module (14) executes the regulation and control instruction to regulate and control the tapping tap and the capacity of the distribution transformer;
the data receiving module (21) receives the data transmitted by the communication module (12);
the power load forecasting module (23) forecasts the power load demand of 5min in the future according to the received data and by combining the historical operation data of the distribution transformer;
the data processing module (22) gives a regulation and control strategy within 1min in the future of the distribution transformer according to the predicted data and the collected data, and sends a regulation and control instruction through the cloud control platform (24).
2. The remote intelligent regulation and control system of the distribution transformer of claim 1, characterized in that: the human-computer interface (25) comprises start, stop, look-up, down, left and right buttons, starts or stops the real-time regulation of the distribution transformer, and refers to the historical voltage, current, regulation strategy and execution condition of the distribution transformer.
3. The remote intelligent regulation and control system of the distribution transformer of claim 1, characterized in that: a first GPS time synchronization module (141) is arranged in the execution module (14), and a second time synchronization module (241) is arranged in the cloud control platform (24).
4. A remote intelligent regulation and control method for a distribution transformer is characterized by comprising the following steps:
s1: the acquisition module (11) acquires voltage and current information output by the distribution transformer in real time, and transmits the information to the data receiving module (21) through the communication module (12) after being conditioned by the signal conditioning module (13);
s2: after the data receiving module (21) receives the data, the power load forecasting module (23) forecasts the power load demand of 5min in the future according to the received real-time data and by combining the historical operation data of the distribution transformer;
s3: the data processing module (22) gives a regulation and control strategy within 1min in the future of the distribution transformer according to the predicted data and the collected data, and sends a regulation and control instruction through the cloud control platform (24);
s4: the regulation and control instruction is transmitted to the execution module (14) through the communication module (12), and the execution module (14) executes the regulation and control instruction to regulate and control the tapping tap and the capacity of the distribution transformer.
5. The remote intelligent regulation and control method of the distribution transformer according to claim 4, characterized in that: the execution module (14) executes and issues instructions on time through the first GPS time synchronization module (141) and the cloud control platform (24) through the second time synchronization module (241).
6. The remote intelligent regulation and control method of the distribution transformer according to claim 4, characterized in that: the power load forecasting module (23) forecasts the power load demand of the distribution transformer in the future 5min, and compares and analyzes the power load demand in combination with historical operation data, corrects and optimizes the forecasting module on line, and checks the forecasting data in the future 5 min.
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Cited By (1)
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CN114696693A (en) * | 2022-06-01 | 2022-07-01 | 山东东辰节能电力设备有限公司 | Intelligent capacity-regulating transformer |
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Effective date of registration: 20201126 Address after: No.98, Wujing Road, Taihe sub district office, Guandu District, Kunming area, Kunming pilot Free Trade Zone, 650011 Applicant after: KUNMING POWER SUPPLY BUREAU OF YUNNAN POWER GRID Co.,Ltd. Address before: 650011 Yunnan city of Kunming province Wu Wells Road 98 Applicant before: KUNMING POWER SUPPLY BUREAU OF YUNNAN POWER GRID Co.,Ltd. Applicant before: YUNNAN ELECTRIC POWER TECHNOLOGY Co.,Ltd. |