CN104638648A - Processing method for topological analysis of three-port equipment of power distribution network - Google Patents
Processing method for topological analysis of three-port equipment of power distribution network Download PDFInfo
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- CN104638648A CN104638648A CN201510095632.5A CN201510095632A CN104638648A CN 104638648 A CN104638648 A CN 104638648A CN 201510095632 A CN201510095632 A CN 201510095632A CN 104638648 A CN104638648 A CN 104638648A
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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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Abstract
The invention relates to a processing method for topological analysis of three-port equipment of a power distribution network. The method comprises the following steps: establishing, by a power distribution automatic master station system, description information of the three-port equipment in a power distribution network topological model; performing split processing on the three-port equipment when memory topology is established by mapping the power distribution network topological model; splitting the three-port equipment into a plurality of pieces of virtual two-end equipment connected together, and corresponding at least one port of each virtual two-end equipment to one of the actual ports of the three-port equipment to establish an equivalent memory model of the three-port equipment; when the state of the three-port equipment changes, analyzing the virtual two-end equipment by the power distribution automatic master station system according to a conventional two-end equipment topological analysis method to finish the topological analysis of the three-port equipment. According to the processing method for the topological analysis of the three-port equipment of the power distribution network, correct topology of the three-port equipment of the power distribution network of the master station system is effectively realized.
Description
Technical field
The present invention relates to electric power system power distribution automatic field, particularly relate to a kind of processing method of power distribution network three port device topological analysis.
Background technology
Along with the development of distribution network construction, some three port devices have been there are in power distribution network primary equipment, these equipment comprise: double isolating switch, three-station, tri-station isolating switch, T-shaped switch, V-type switch etc., be characterized in all having three ports, each port is connected or ground connection with other electric equipments in power distribution network, defines special topological mode.Power distribution automation main station system tradition Two-port netwerk equipment topology analyzing method can only support the change in topology under two end equipment deciliter two states, the topological analysis that three port devices switch between multiple running status cannot be supported, need a kind of method be simple and easy to of research badly and solve this problem.
Summary of the invention
The object of the invention is the problem cannot carrying out normal topology analysis for three port devices novel in power distribution network in power distribution automation main station system, a kind of processing method of power distribution network three port device topological analysis is proposed, to realize the correct topology of main station system to power distribution network three port device.
The scheme that technical solution problem of the present invention adopts is a kind of processing method of power distribution network three port device topological analysis, it is characterized in that, realizes in accordance with the following steps:
S1: power distribution automation main station system sets up the descriptor of three port devices in power distribution network topological model;
S2: described power distribution automation main station system maps described power distribution network topological model and sets up internal memory topology, and deconsolidation process is carried out to described three port devices, described three port device correspondences are split as N number of virtual two end equipment linked together, and in the port of described virtual two end equipment, have at least one of real ports of a port and described three port devices corresponding, to form the equivalent memory model of described three port devices in described internal memory topology, wherein, N be more than or equal to 2 positive integer;
S3: described power distribution automation main station system traditionally two end equipment topology analyzing methods is analyzed described virtual two end equipment, completes the topological analysis to described three port devices.
Further, in described step S1, described descriptor truly reflects the annexation of each port of described three port devices and its corresponding electric equipment separately.
Further, in described step S2, described power distribution automation main station system completes the fractionation to described three port devices in described internal memory topology.
Further, in described step S2, also comprise the steps:
S21: described power distribution automation main station system judges the type of described three port devices, if the type of described three port devices is two-way isolating switch, then forwards step S22 to; If the type of described three port devices is three-station or tri-station isolating switch, then forward step S23 to; If the type of described three port devices is T-shaped opening or V-type switch, then forward step S24 to;
S22: described two-way isolating switch is split as two the virtual two end equipment be connected successively;
S23: described three-station or described tri-station isolating switch are all split as connected virtual two end equipment and a virtual ground cutter;
S24: described T-shaped switch or described V-type switch are all split as three the virtual two end equipment be connected in star-like mode.
Further, in described step S3, also comprise the steps:
S31: the running status of described power distribution automation main station system three port devices described in real-time analysis in described internal memory topology;
S32: when the running status of described three port devices changes, topological relation between its each port changes, described power distribution automation main station system changes according to this topological relation and carries out identical topology change to the corresponding ports of described virtual two end equipment, namely changes deciliter state of described virtual two end equipment;
S33: a deciliter state for described virtual two end equipment combines, to complete the topological analysis of described three port devices by described power distribution automation main station system.
Compared with prior art, the processing method of a kind of power distribution network three port device topological analysis proposed by the invention has following beneficial effect:
1, simple modification can being carried out on the power distribution network topological model of the power distribution automation main station system built up, the topological connection relation of three ports in three port devices is described, without the need to repeating modeling, greatly reducing investment and maintenance cost;
2, by utilizing two traditional end equipment topology analyzing methods, eliminating the research and development of new topological method, testing cost, not needing to study new topology analyzing method;
3, clear principle, accuracy of judgement, be easy to study and grasp, very strong adaptability is had to the change of power distribution network three port device running status, very strong compatibility is had to other novel devices that power distribution network may occur, and shown by practical application, this method is correctly effective, effectively can adapt to the topological analysis demand of all kinds of three port devices.
Accompanying drawing explanation
Fig. 1 is the flow chart of the processing method of a kind of power distribution network three port device topological analysis in the present invention.
Fig. 2 is the view that in one embodiment of the invention, two-way isolating switch is in separately respectively, a left side is closed and the right side is closed.
Fig. 3 is the equivalent memory model schematic diagram of two-way isolating switch in one embodiment of the invention.
Fig. 4 is that in one embodiment of the invention, three-station is in closed, separately and the view of ground connection respectively.
Fig. 5 is that in one embodiment of the invention, tri-station isolating switch is in closed, separately and the view of ground connection respectively.
Fig. 6 is the equivalent memory model schematic diagram of three-station or tri-station isolating switch in one embodiment of the invention.
Fig. 7 is the view that in one embodiment of the invention, T-shaped switch is in AB-C, B-C, A-C and A-B respectively.
Fig. 8 is the view that in one embodiment of the invention, V-type switch is in AB-C, B-C, OPEN and A-C respectively.
Fig. 9 is the equivalent memory model schematic diagram of T-shaped switch or V-type switch in one embodiment of the invention.
[
label declaration]: the virtual two end equipment of 1-first; The virtual two end equipment of 2-second; The virtual two end equipment of 3-the 3rd; 4-virtual ground cutter; The virtual two end equipment of 5-the 4th; The virtual two end equipment of 6-the 5th; The virtual two end equipment of 7-the 6th.
Embodiment
Below in conjunction with the drawings and specific embodiments, the present invention is further described.
The invention provides a kind of processing method of power distribution network three port device topological analysis, as shown in Figure 1, it is characterized in that, realize in accordance with the following steps:
S1: power distribution automation main station system sets up the descriptor of three port devices in power distribution network topological model, and described descriptor truly reflects the annexation of each port of described three port devices and its corresponding electric equipment separately;
S2: described power distribution automation main station system maps described power distribution network topological model and sets up internal memory topology, and deconsolidation process is carried out to described three port devices, described three port device correspondences are split as N number of virtual two end equipment linked together, and in the port of described virtual two end equipment, have at least one of real ports of a port and described three port devices corresponding, to form the equivalent memory model of described three port devices in described internal memory topology, wherein, N be more than or equal to 2 positive integer;
Further, in the present embodiment, described power distribution automation main station system completes the fractionation to described three port devices in described internal memory topology.
In order to allow those skilled in the art's understanding clearly in step s 2 described power distribution automation main station system to the fractionation of described three port devices, be specifically described below in conjunction with Fig. 2 ~ Fig. 9, and in accordance with the following steps realize:
S21: described power distribution automation main station system judges the type of described three port devices, if the type of described three port devices is two-way isolating switch, then forwards step S22 to; If the type of described three port devices is three-station or tri-station isolating switch, then forward step S23 to; If the type of described three port devices is T-shaped opening or V-type switch, then forward step S24 to;
S22: as shown in Figures 2 and 3, is split as two the virtual two end equipment be connected successively, i.e. the first virtual two end equipment 1 and the second virtual two end equipment 2 by described two-way isolating switch;
S23: as shown in Figure 4, Figure 5 and Figure 6, is all split as connected virtual two end equipment and a virtual ground cutter by described three-station or described tri-station isolating switch, i.e. the 3rd virtual two end equipment 3 and virtual ground cutter 4;
S24: as shown in Figure 7, Figure 8 and Figure 9, the end points of the lower left of described T-shaped switch or described V-type switch is dead end point, so be also three port devices, described T-shaped switch or described V-type switch are all split as three the virtual two end equipment be connected in star-like mode, i.e. the 4th virtual two end equipment 5, the 5th virtual two end equipment 6 and the 6th virtual two end equipment 7.
Further, in above-mentioned steps, described power distribution automation main station system all completes the fractionation to described three port devices in described internal memory topology, the N number of virtual two end equipment linked together split out do not exist in real electricity distribution network model, but each virtual two end equipment have at least a port to be real ports, and corresponding with one of port of former three port devices.
S3: described power distribution automation main station system traditionally two end equipment topology analyzing methods is analyzed described virtual two end equipment, completes the topological analysis to described three port devices.
Further, in described step S3, also comprise the steps:
S31: the running status of described power distribution automation main station system three port devices described in real-time analysis in described internal memory topology;
S32: when the running status of described three port devices changes, topological relation between its each port changes, described power distribution automation main station system changes according to this topological relation and carries out identical topology change to the corresponding ports of described virtual two end equipment, namely change deciliter state of virtual two end equipment described in equivalent memory model corresponding to this three port device, deciliter state that this topological relation changes the virtual two end equipment in its equivalent memory model that correspond to is got on;
S33: a deciliter state for described virtual two end equipment combines by described power distribution automation main station system, to complete the topological analysis of described three port devices, as long as namely a deciliter combinations of states for virtual two end equipment is got up, truly to reflect the topological connection relation between lower three real ports of three port device current operating conditions, the topological analysis of three port devices can be completed.
The processing method of power distribution network three port device topological analysis proposed by the invention is that three port devices set up the equivalent memory model be made up of two end virtual units in internal memory, thus by utilizing traditional Two-port netwerk equipment topology analyzing method to achieve the topological analysis of three port devices, and shown by practical application, the method accurate and effective, can adapt to the topological analysis demand of all kinds of three port devices.
In sum; above-listed preferred embodiment provided by the invention; the object, technical solutions and advantages of the present invention are further described; be understood that; the foregoing is only preferred embodiment of the present invention, not in order to limit the present invention, within the spirit and principles in the present invention all; any amendment of doing, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (5)
1. a processing method for power distribution network three port device topological analysis, is characterized in that, realizes in accordance with the following steps:
S1: power distribution automation main station system sets up the descriptor of three port devices in power distribution network topological model;
S2: described power distribution automation main station system maps described power distribution network topological model, set up internal memory topology, and deconsolidation process is carried out to described three port devices, described three port device correspondences are split as N number of virtual two end equipment linked together, and in the port of described virtual two end equipment, have at least one of real ports of a port and described three port devices corresponding, to form the equivalent memory model of described three port devices in described internal memory topology, wherein, N be more than or equal to 2 positive integer;
S3: described power distribution automation main station system traditionally two end equipment topology analyzing methods is analyzed described virtual two end equipment, completes the topological analysis to described three port devices.
2. the processing method of a kind of power distribution network three port device topological analysis according to claim 1, it is characterized in that, in described step S1, described descriptor truly reflects the annexation of each port of described three port devices and its corresponding electric equipment separately.
3. the processing method of a kind of power distribution network three port device topological analysis according to claim 1, is characterized in that, in described step S2, described power distribution automation main station system completes the fractionation to described three port devices in described internal memory topology.
4. the processing method of a kind of power distribution network three port device topological analysis according to claim 1, is characterized in that, in described step S2, also comprise the steps:
S21: described power distribution automation main station system judges the type of described three port devices, if the type of described three port devices is two-way isolating switch, then forwards step S22 to; If the type of described three port devices is three-station or tri-station isolating switch, then forward step S23 to; If the type of described three port devices is T-shaped opening or V-type switch, then forward step S24 to;
S22: described two-way isolating switch is split as two the virtual two end equipment be connected successively;
S23: described three-station or described tri-station isolating switch are all split as connected virtual two end equipment and a virtual ground cutter;
S24: described T-shaped switch or described V-type switch are all split as three the virtual two end equipment be connected in star-like mode.
5. the processing method of a kind of power distribution network three port device topological analysis according to claim 1, is characterized in that, in described step S3, also comprise the steps:
S31: the running status of described power distribution automation main station system three port devices described in real-time analysis in described internal memory topology;
S32: when the running status of described three port devices changes, topological relation between its each port changes, described power distribution automation main station system changes according to this topological relation and carries out identical topology change to the corresponding ports of described virtual two end equipment, namely changes deciliter state of described virtual two end equipment;
S33: a deciliter state for described virtual two end equipment combines, to complete the topological analysis of described three port devices by described power distribution automation main station system.
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| US20210367642A1 (en) * | 2020-05-19 | 2021-11-25 | Genetec Inc. | Power distribution and data routing in a network of devices interconnected by hybrid data/power links |
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