CN103094990B - Control method and device for radiation power grid - Google Patents
Control method and device for radiation power grid Download PDFInfo
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Abstract
The invention discloses a control method and a device for a radiation power grid. The control method for the radiation power grid comprises that power source points are searched so that a power source list is generated; an order of a user is received, wherein, the order of the user refers to the order of setting power receiving points for the power source points; the power receiving points are searched according to the order of the user, a power supply route of the power source points is generated according to the power source points and the power receiving points so that a power supply route of the radiation power grid is generated, wherein, the power source points are power sources in the radiation power grid and the power receiving points are devices used for receiving electric power supplied by the power source points; and according to a preset power supply method, the radiation power grid is controlled to operate through the power supply route of the radiation power grid. The control method and the device for the radiation power grid solve the problem that in the prior art, a complex establishment method of a calculation model of the radiation power grid is caused by the power supply control method so that data among imagines is asynchronous, and therefore effects of optimizing a power supply operation method of the radiation power grid and simplifying the establishment method of the calculation model of the radiation power grid are achieved.
Description
Technical field
The present invention relates to power domain, in particular to a kind of control method and device of radiation power grid.
Background technology
In electric power system, the adaptive setting of system is tending towards integration gradually, and namely ring electrical network, radiation power grid, power distribution network all concentrate on one and throw the net.Adjust in network in city's tune, district, radiation power grid occupies important proportion, make adaptive setting system integration, is necessary the computational problem solving radiation power grid.
For the power supply of radiation power grid in prior art, its typical feature is that looped network is arranged, open loop operation, each power supply point supplies a slice network, causing when setting up the computation model of radiation power grid, in order to obtain the large and small mode of radiation power grid, needing the various compound modes of complete consideration plant stand, circuit, mode arranges loaded down with trivial details, affects computational efficiency; And when electric network composition or parameter change, need to repeat to revise multiple network model, not only loaded down with trivial details but also easily cause data between each figure asynchronous due to human negligence reason.
R for radiation power grid in correlation technique easily causes radiation power grid computation model method for building up loaded down with trivial details, causes the nonsynchronous problem of data between each figure, not yet proposes effective solution at present.
Summary of the invention
Main purpose of the present invention is the control method providing a kind of radiation power grid, easily causes radiation power grid computation model method for building up loaded down with trivial details with the r solving radiation power grid in prior art, causes the nonsynchronous problem of data between each figure.
To achieve these goals, according to an aspect of the present invention, provide a kind of control method of radiation power grid, comprising: search power supply point generates power supply list, and wherein, power supply point is the power supply in radiation power grid; Receive user instruction, wherein, described user instruction is the instruction to described power supply point setting isoelectric point; According to user instruction search isoelectric point, and generate the supply path of power supply point according to power supply point and isoelectric point, to generate the supply path of radiation power grid, wherein, isoelectric point is the equipment of powering for accepting power supply point; And according to the supply power mode preset, control described radiation power grid and run by the supply path of described radiation power grid.
Further, power supply point comprises: the first power supply point, for adjusting radiation network to power for city; And second source point, for adjusting radiation network to power for district.
Further, according to the supply power mode preset, control described radiation power grid and comprised by the supply path operation of described radiation power grid: according to large mode supply power mode, control described radiation power grid and run by the supply path of described radiation power grid; Or according to little mode supply power mode, control described radiation power grid and run by the supply path of described radiation power grid.
Further, according to large mode supply power mode, control described radiation power grid to be comprised by the supply path operation of described radiation power grid: the transformer that the resistance value of control power supply point and isoelectric point is minimum is in running status, wherein, the high-pressure side of transformer and the equal mother paired running of medium voltage side.
Further, according to little mode supply power mode, control described radiation power grid to be comprised by the supply path operation of described radiation power grid: the transformer that the resistance value of control power supply point and isoelectric point is maximum is in running status, wherein, the high-pressure side of transformer and the equal mother paired running of medium voltage side.
Further, the supply path of power supply point is dual loopback circuit, and wherein, dual loopback circuit is that power supply point is connected with the power supply branch road of isoelectric point by two or more.
Further, according to large mode supply power mode, control described radiation power grid and comprised by the supply path operation of described radiation power grid: the power supply branch road that the resistance value of control dual loopback circuit is minimum is in running status.
Further, according to little mode supply power mode, control described radiation power grid and comprised by the supply path operation of described radiation power grid: the power supply branch road that the resistance value of control dual loopback circuit is maximum is in running status.
Further, also comprised before the supply path generating radiation power grid: judge in power supply list, whether to there is the power supply point not generating supply path; If there is the power supply point not generating supply path, then continue according to described user instruction search isoelectric point, and generate the supply path of power supply point according to power supply point and isoelectric point.
To achieve these goals, according to a further aspect in the invention, provide a kind of control device of radiation power grid, comprising: the first search module, generate power supply list for searching for power supply point, wherein, described power supply point is the power supply in described radiation power grid; Receiver module, for receiving user instruction, wherein, described user instruction is the instruction to described power supply point setting isoelectric point; Second search module, for searching for isoelectric point according to user instruction, and generate the supply path of power supply point according to power supply point and isoelectric point, to generate the supply path of radiation power grid, wherein, described isoelectric point is the equipment of powering for accepting described power supply point; And control module, for according to the supply power mode preset, control described radiation power grid and run by the supply path of described radiation power grid.
By the present invention, search power supply point is adopted to generate power supply list; Receive user instruction, wherein, user instruction is the instruction to power supply point setting isoelectric point; According to user instruction search isoelectric point, and generate the supply path of power supply point according to power supply point and isoelectric point, to generate the supply path of radiation power grid, wherein, power supply point is the power supply in radiation power grid, and isoelectric point is the equipment of powering for accepting power supply point; And according to the supply power mode preset, control described radiation power grid to be run by the supply path of described radiation power grid, determine the power supply point of isoelectric point, and then control the powered operation mode of radiation power grid, the r solving radiation power grid in prior art easily causes that radiation power grid computation model method for building up is loaded down with trivial details causes the nonsynchronous problem of data between image, and then reaches the powered operation mode optimizing radiation power grid, the effect simplifying radiation power grid computation model method for building up.
Accompanying drawing explanation
The accompanying drawing forming a application's part is used to provide a further understanding of the present invention, and schematic description and description of the present invention, for explaining the present invention, does not form inappropriate limitation of the present invention.In the accompanying drawings:
Fig. 1 is the radiation power grid control method flow chart according to the embodiment of the present invention;
Fig. 2 is the schematic diagram of power supply point in the determination radiation power grid according to the embodiment of the present invention;
Fig. 3 is the flow chart of power supply point supply path in the determination radiation power grid according to the embodiment of the present invention;
Fig. 4 is the supply path schematic diagram of the radiation power grid according to the embodiment of the present invention; And
Fig. 5 is the control device schematic diagram of the radiation power grid according to the embodiment of the present invention.
Embodiment
It should be noted that, when not conflicting, the embodiment in the application and the feature in embodiment can combine mutually.Below with reference to the accompanying drawings and describe the present invention in detail in conjunction with the embodiments.
Fig. 1 is the radiation power grid control method flow chart according to the embodiment of the present invention, and as shown in Figure 1, the method comprises following step S102 to step S106:
S102: search power supply point generates power supply list, and wherein, power supply point is the power supply in radiation power grid;
S104: receive user instruction and search for isoelectric point according to user instruction, wherein, user instruction is the instruction to power supply point setting isoelectric point, and isoelectric point is the equipment of powering for accepting power supply point;
S106: the supply path generating power supply point according to power supply point and isoelectric point, to generate the supply path of radiation power grid; And,
S108: according to the supply power mode preset, is controlled radiation power grid and is run by the supply path of radiation power grid.
As can be seen from the above description, the present invention generates power supply list by adopting search power supply point, and wherein, power supply point is the power supply in radiation power grid; Receive user instruction, wherein, user instruction is the instruction to power supply point setting isoelectric point; According to user instruction search isoelectric point, wherein, isoelectric point is the equipment of powering for accepting power supply point, determine the power supply point corresponding with isoelectric point, and then the supply path of power supply point is generated according to power supply point and isoelectric point, to generate the supply path of radiation power grid, and according to the supply power mode preset, control radiation power grid and run by the supply path of radiation power grid.Achieve and solve the r of radiation power grid in prior art and easily cause that radiation power grid computation model method for building up is loaded down with trivial details causes the nonsynchronous problem of data between image, and then reach effect that optimize the powered operation mode of radiation power grid, that simplify radiation power grid computation model method for building up.
Fig. 2 is the schematic diagram of power supply point in the determination radiation power grid according to the embodiment of the present invention, and as shown in Figure 2, power supply point comprises: the first power supply point, for adjusting radiation network to power for city; And second source point, for adjusting radiation network to power for district.Adjust radiation network for city, city adjusts looped network to be handed down to city and adjusts the equivalent power supply point adjusting radiation network as city in the inside of radiation network; Radiation network is adjusted for district, city adjusts radiation network and other districts to adjust radiation network to adjust the equivalent power supply point for this district tune radiation network in the border of radiation network to this district, as shown in Figure 2, adjust 1 radiation network for district, city adjusts radiation network and other district except district adjusts 1 radiation network to adjust radiation network to adjust n radiation network to adjust the border of 1 radiation network equivalence for adjusting the power supply point of 1 radiation network in district to district to district.
The power supply point network model of the embodiment of the present invention is the centralized integrated applied system adjusted based on urban district.The main feature of this application model is: the whole network unified model; Each company safeguards own figure according to authority; Influencing each other by waiting valve system to simulate of adjacent corporate networks.City, district adjust the schematic network structure of network model as shown in Figure 2, and wherein cross section is common data and mutually equivalent.
By determining the power supply point of powering needed for different electrical network, be convenient to the supply path forming radiation power grid, control radiation power grid based on supply path according to the operational mode preset to be run by the supply path of radiation power grid, avoid the problem that in prior art, radiation power grid supply power mode is loaded down with trivial details, compound mode is too much, and then improve computational efficiency and the practicality of computing system integration.
Fig. 3 is the flow chart of power supply point supply path in the determination radiation power grid according to the embodiment of the present invention, and as shown in Figure 3, the method comprises following step S302 to step S310:
S302: search power supply point, form power supply list, wherein, power supply point is the power supply in radiation power grid;
S304: with a power supply point for starting point, according to user instruction search isoelectric point, wherein, isoelectric point is the equipment of powering for accepting power supply point;
S306: the supply path forming this power supply point according to power supply point and isoelectric point;
S308: judge whether the power supply point in power supply list all forms supply path, if also there is the power supply point do not matched with isoelectric point in power supply list, then returns the supply path formation that step S304 carries out power supply point.
S310: control radiation power grid and run by supply path, after all power supply points in power supply list have all found corresponding isoelectric point to carry out mating and have formed the supply path of power supply point, the then corresponding supply path defining radiation power grid, can be controlled radiation power grid and be run by the supply path of radiation power grid according to predetermined powered operation mode.
Preferably, according to the supply power mode preset, control radiation power grid and comprised by the supply path operation of radiation power grid: according to large mode supply power mode, control radiation power grid and run by the supply path of radiation power grid; Or according to little mode supply power mode, control radiation power grid and run by the supply path of radiation power grid.
The preferred embodiment of the present invention is large mode supply power mode or little mode supply power mode by controlling the powered operation mode of radiation power grid, reach the multiple powered operation mode both comprising radiation power grid, radiation power grid can be made again when powered operation only to take large mode powered operation or little mode powered operation, achieve the effect simplifying radiation power grid powered operation mode.
According to large mode supply power mode, control radiation power grid and comprised by the supply path operation of radiation power grid: the transformer that the resistance value of control power supply point and isoelectric point is minimum is in running status, wherein, the high-pressure side of transformer and the equal mother paired running of medium voltage side.
If isoelectric point (powered plant stand) has two transformers, suppose that the positive sequence impedance of 1# transformer is less than the positive sequence impedance of 2# transformer, then control 1# transformer is in running status, and 2# transformer is in inspecting state.
If the transformer number of units of isoelectric point (powered plant stand) is more than two, then control group is worth minimum transformer and is in running status, and other transformer is in inspecting state.
According to little mode supply power mode, control radiation power grid and comprised by the supply path operation of radiation power grid: the transformer that the resistance value of control power supply point and isoelectric point is maximum is in running status, wherein, the high-pressure side of transformer and the equal mother paired running of medium voltage side.
If isoelectric point (powered plant stand) has two transformers, suppose that the positive sequence impedance of 1# transformer is less than the positive sequence impedance of 2# transformer, then control 2# transformer is in running status, and 1# transformer is in inspecting state.
If the transformer number of units of isoelectric point (powered plant stand) is more than two, then control group is worth maximum transformer and is in running status, and other transformer is in inspecting state.
Fig. 4 is according to the supply path schematic diagram of the radiation power grid of the embodiment of the present invention, and as shown in Figure 4, the supply path of power supply point is dual loopback circuit, and wherein, dual loopback circuit is that power supply point is connected with the power supply branch road of isoelectric point by two or more.According to large mode supply power mode, control radiation power grid and run by the supply path of radiation power grid and comprise: the power supply branch road controlling the resistance value of dual loopback circuit minimum is in running status, the maximum branch road of resistance value is in inspecting state, and other circuit normally runs; According to little mode supply power mode, control radiation power grid and run by the supply path of radiation power grid and comprise: the power supply branch road controlling the resistance value of dual loopback circuit maximum is in running status, the minimum branch road of resistance value is in inspecting state, and other circuit normally runs.To calculate the mode that district adjusts 35kV transformer station 1, suppose that its power supply point is: district adjusts 110kV transformer station 1, district adjusts 110kV transformer station 2, district adjusts 110kV transformer station 3, district adjusts 35kV transformer station 4.If all modes of conventional method limit, need combination 116 operational modes, apply this supply path pattern, only need 8 kinds.Concrete supply path mode is as shown in the table.
Apply this supply path pattern, plant stand line mode is optimized, greatly reduce the combined number of mode; Meanwhile, based on the basic thought of section technique, when forming network model, be only loaded into the model in current supply path.Because other models outside supply path are changed in order to power supply point (namely waiting valve system) the impact of current supply path, its exponent number greatly reduces; By being repeatedly loaded into the method for mini Mod, EMS memory occupation amount is little, and computational speed is fast.Fundamentally solve the computational speed problem of integrated adjusting system due to the complicated radiation power grid caused of supply power mode of radiation power grid.
As can be seen here, by adopting the control method of radiation power grid of the present invention, significantly reducing supply path operational mode, greatly improving computational efficiency.
To achieve these goals, according to a further aspect in the invention, a kind of control device of radiation power grid is provided.Fig. 5 is the control device schematic diagram of the radiation power grid according to the embodiment of the present invention, as shown in Figure 5, the control device of the radiation power grid of the embodiment of the present invention comprises: the first search module 50, generates power supply list for searching for power supply point, wherein, power supply point is the power supply in described radiation power grid; Receiver module 52, for for receiving user instruction, wherein, user instruction is the instruction to power supply point setting isoelectric point; Second search module 54, for searching for isoelectric point according to user instruction, and generate the supply path of power supply point according to power supply point and isoelectric point, to generate the supply path of radiation power grid, wherein, isoelectric point is the equipment of powering for accepting power supply point; And control module 56, for according to the supply power mode preset, control radiation power grid and run by the supply path of radiation power grid.
Known from the above description, the present invention carries out search power supply point by employing first search module and generates power supply list; The user instruction search isoelectric point that second search module receives according to receiver module, and the supply path of power supply point is generated according to power supply point and isoelectric point, and then generate the supply path of radiation power grid; And control module, for according to preset supply power mode, control the control device that radiation power grid is run by the supply path of radiation power grid, achieve the supply path simplifying radiation power grid, control the powered operation mode of radiation power grid, reach and solve the computational speed problem of integrated adjusting system due to the complicated radiation power grid caused of supply power mode of radiation power grid.
Obviously, those skilled in the art should be understood that, above-mentioned of the present invention each module or each step can realize with general calculation element, they can concentrate on single calculation element, or be distributed on network that multiple calculation element forms, alternatively, they can realize with the executable program code of calculation element, thus, they can be stored and be performed by calculation element in the storage device, or they are made into each integrated circuit modules respectively, or the multiple module in them or step are made into single integrated circuit module to realize.Like this, the present invention is not restricted to any specific hardware and software combination.
The foregoing is only the preferred embodiments of the present invention, be not limited to the present invention, for a person skilled in the art, the present invention can have various modifications and variations.Within the spirit and principles in the present invention all, any amendment done, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (8)
1. a control method for radiation power grid, is characterized in that, comprising:
Search power supply point generates power supply list, and wherein, described power supply point is the power supply in described radiation power grid;
Receive user instruction, wherein, described user instruction is the instruction to described power supply point setting isoelectric point;
Described isoelectric point is searched for according to described user instruction, and the supply path of described power supply point is generated according to described power supply point and described isoelectric point, to generate the supply path of described radiation power grid, wherein, described isoelectric point is the equipment of powering for accepting described power supply point; And
According to the supply power mode preset, control described radiation power grid and run by the supply path of described radiation power grid,
Wherein, according to the supply power mode preset, control described radiation power grid and comprised by the supply path operation of described radiation power grid:
According to large mode supply power mode, control described radiation power grid and run by the supply path of described radiation power grid; Or
According to little mode supply power mode, control described radiation power grid and run by the supply path of described radiation power grid,
Wherein, according to large mode supply power mode, control described radiation power grid and comprised by the supply path operation of described radiation power grid:
The transformer controlling the resistance value of described power supply point and described isoelectric point minimum is in running status, wherein, and the high-pressure side of described transformer and the equal mother paired running of medium voltage side.
2. the control method of radiation power grid according to claim 1, is characterized in that, described power supply point comprises:
First power supply point, for adjusting radiation network to power for city; And
Second source point, for adjusting radiation network to power for district.
3. the control method of radiation power grid according to claim 1, is characterized in that, according to little mode supply power mode, controls described radiation power grid and is comprised by the supply path operation of described radiation power grid:
The transformer controlling the resistance value of described power supply point and described isoelectric point maximum is in running status, wherein, and the high-pressure side of described transformer and the equal mother paired running of medium voltage side.
4. the control method of the radiation power grid according to claim 1 or 3, it is characterized in that, the supply path of described power supply point is dual loopback circuit, and wherein, described dual loopback circuit is that described power supply point is connected with the power supply branch road of described isoelectric point by two or more.
5. the control method of radiation power grid according to claim 4, is characterized in that, according to large mode supply power mode, controls described radiation power grid and is comprised by the supply path operation of described radiation power grid:
The power supply branch road controlling the resistance value of described dual loopback circuit minimum is in running status.
6. the method for supplying power to of radiation power grid according to claim 4, is characterized in that, according to little mode supply power mode, controls described radiation power grid and is comprised by the supply path operation of described radiation power grid:
The power supply branch road controlling the resistance value of described dual loopback circuit maximum is in running status.
7. the method for supplying power to of radiation power grid according to claim 1, is characterized in that, before the supply path generating described radiation power grid, described method also comprises:
Judge whether there is the power supply point not generating supply path in described power supply list;
If there is the power supply point not generating supply path, then continue to search for described isoelectric point according to described user instruction, and generate the supply path of described power supply point according to described power supply point and described isoelectric point.
8. a control device for radiation power grid, is characterized in that, comprising:
First search module, generate power supply list for searching for power supply point, wherein, described power supply point is the power supply in described radiation power grid;
Receiver module, for receiving user instruction, wherein, described user instruction is the instruction to described power supply point setting isoelectric point;
Second search module, for searching for described isoelectric point according to described user instruction, and generate the supply path of described power supply point according to described power supply point and described isoelectric point, to generate the supply path of described radiation power grid, wherein, described isoelectric point is the equipment of powering for accepting described power supply point; And
Control module, for according to the supply power mode preset, is controlled described radiation power grid and is run by the supply path of described radiation power grid.
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| CN101436789A (en) * | 2008-12-26 | 2009-05-20 | 北京市电力公司调度通信中心 | Method for implementing power supply backward in scheduling automatization system |
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| CN101436789A (en) * | 2008-12-26 | 2009-05-20 | 北京市电力公司调度通信中心 | Method for implementing power supply backward in scheduling automatization system |
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| 配电网继电保护整定计算中的运行方式搜索;严琪等;《继电器》;20051101;第33卷(第21期);5-8页 * |
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