CN114091213A - Power communication network planning scheme evaluation system - Google Patents
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Abstract
The invention discloses a power communication network planning scheme evaluation system, which comprises a data resource model construction unit, a planning analysis unit and a planning result display unit; the data resource model building unit comprises a data aggregation module, a resource creating module and a service distribution module, and is used for building a data resource model; the planning analysis unit completes the topology construction of the power communication network according to the data resource model, completes the simulation analysis of the planning scheme of the power communication network on the power communication network topology, the simulation analysis comprises bandwidth prediction, risk analysis and reliability analysis, and completes the evaluation of the planning scheme; and the planning result display unit displays bandwidth prediction, risk analysis, reliability analysis and planning scheme evaluation. The power communication network planning scheme evaluation system provided by the invention can evaluate the power communication network planning scheme and improve the scientificity of power communication network planning.
Description
Technical Field
The invention belongs to the technical field of communication network planning, and particularly relates to a power communication network planning scheme evaluation system.
Background
With the continuous acceleration of the steps of updating iteration and power grid transformation and upgrading of modern communication technology, the scale of the power communication network is continuously enlarged, the structure is gradually complicated, and the trend of multi-element and multi-direction bearing services is gradually highlighted; the basic support of the planning service of the power communication network is weak, the tool means is lacked, the basic data collection usually depends on manual reports, the report is reported layer by layer, the precision is insufficient, and the objectivity is not strong; the method has the advantages that the graph-number-table information is split, the conversion is not flexible, the field change cannot be mastered in time, the bandwidth of power communication cannot be accurately predicted, the risk and the reliability of a network can be quantitatively analyzed, the basic problem of accurate dialysis cannot be caused, key points of control cannot be controlled globally, the problem diagnosis cannot be deepened, the project investment cannot be accurate, the planning and arrangement cannot be integrated, the process execution cannot be controlled, and the planning concept cannot fall to the ground.
And at present, no related planning simulation tool support exists, and the planning work efficiency, depth and scientificity are greatly restricted. Planning is still completed by traditional manual collection of checking data, qualitative assumption of boundary conditions and manual analysis of rough calculation, and the working efficiency and depth are greatly restricted.
Therefore, in order to meet the practical requirements of the planning operation of the power communication network, a new method needs to be found to provide a solid technical support for the planning operation of the power communication network.
Disclosure of Invention
Aiming at the defects of the prior art, the invention aims to provide an electric power communication network planning scheme evaluation system which can evaluate an electric power communication network planning scheme.
In order to achieve the purpose, the invention adopts the following technical scheme:
a power communication network planning scheme evaluation system comprises a data resource model construction unit, a planning analysis unit and a planning result display unit;
the data resource model building unit comprises a data collecting module, a resource building module and a service distributing module, wherein the data collecting module is used for collecting and sorting the basic planning data of the power communication network, the resource building module is used for reading collected data information and building site information and link information of the power communication network, the service distributing module is used for distributing the service of the power communication network, and the data resource model building unit is used for building a data resource model;
the planning analysis unit completes the topology construction of the power communication network according to the data resource model, completes the simulation analysis of the planning scheme of the power communication network on the power communication network topology, the simulation analysis comprises bandwidth prediction, risk analysis and reliability analysis, and completes the evaluation of the planning scheme;
and the planning result display unit displays bandwidth prediction, risk analysis, reliability analysis and planning scheme evaluation.
Further, the basic planning data includes site information, link information, device information, and service information.
Furthermore, the data collection module restrains the data attributes to ensure the accuracy of data collection, and is convenient for realizing online collection, automatic summation, query and demonstration of planned data of the power communication network.
Furthermore, the resource creating module reads the site information and the link information to create the site information and the link information of the power communication network, and the service distributing module collects and distributes services among sites in the power communication network topology according to the service starting point and end point principles.
Further, the topology of the power communication network is constructed according to the site information, the link information, the equipment information and the service information created in the data resource model.
Further, the wideband prediction comprises the following steps:
1) initializing the service distribution condition of connection between sites according to the constructed power communication network topology, and performing discretization processing;
2) calculating all schemes under the priority of load balancing according to the occupation condition of the link bandwidth and a polling algorithm, and sequencing the advantages and disadvantages of the schemes;
3) carrying out weight assignment on each scheme of load balancing;
4) optimizing according to the shortest path in a selected specific load balancing weight interval;
5) selecting a shortest path, and calculating the bandwidth of the power communication network;
further, the risk analysis comprises the steps of:
1) analyzing all possible reasons for generating faults, and analyzing types, ranges and quantity of the faults;
2) analyzing whether the service borne by the link affected by the fault is affected or not for the link affected by the fault;
3) if the carried service is influenced, firstly analyzing whether the service of the main route is influenced, and secondly analyzing whether the service of the standby route is influenced.
4) For the service carried by the standby route, if the standby route is not influenced, combining the result of bandwidth prediction analysis, regarding that the bandwidth is sufficient, the service can be successfully recovered, and performing statistics; regarding the insufficient bandwidth as recovery failure, and performing statistics; and if the standby route fails, the standby route is regarded as failed in recovery, and statistics are carried out.
5) And (4) according to the simulated fault condition, combining the results of the recovery success and the recovery failure obtained by the risk analysis, and giving a report of risk assessment.
Further, the reliability analysis comprises the following steps:
1) calculating and evaluating the ring forming rate of the power communication network data and the power communication network topology;
2) calculating the communication network diameter of the power communication network data and power communication network topology and evaluating the communication network diameter;
3) evaluating the importance of the power communication network data and the power communication network topology sites and links;
4) and (4) integrating the factors to evaluate the reliability of the power communication network.
Further, the analytic hierarchy process adopts two-stage index analysis, wherein the first-stage index is bandwidth prediction, risk analysis and reliability analysis; the second-level index of bandwidth prediction is the shortest path, and load is balanced; the secondary indexes of the risk analysis are the number of faults, the types of the faults and the fault ranges; the secondary indexes of reliability analysis are ring formation rate, network diameter and station and link importance.
Compared with the prior art, the power communication network planning scheme evaluation system provided by the invention has the following beneficial effects:
1. according to the power communication network planning scheme evaluation system, the data resource model building unit comprises the data collecting module, and the data collecting module restrains data attributes, so that the accuracy of data collection is guaranteed, errors caused by manual statistics are avoided, and the accuracy of planning data statistics is improved;
2. according to the power communication network planning scheme evaluation system provided by the invention, the planning analysis unit completes the topology structure of the power communication network according to the data resource model, the support effect of basic planning data of the power communication network on the planning service of the communication network is improved, the simulation analysis of the power communication network planning scheme is completed on the power communication network topology, the simulation analysis comprises bandwidth prediction, risk analysis and reliability analysis, the planning scheme evaluation is completed, the data information linkage of a graph, a number and a table is realized, the real planning can be carried out in time, the bandwidth, the risk level and the reliability of the communication network are comprehensively analyzed, and the planning work is ensured to accurately fall to the ground.
3. The electric power communication network planning scheme evaluation system provided by the invention is beneficial to comprehensively and accurately mastering the operation condition of the electric power communication network, timely discovering the risk points and weak links in the electric power communication network and practically enhancing the risk prevention and control capability. Meanwhile, planned resource integration of the power communication network can be realized, an information isolated island of a planning service is eliminated, and the core competitiveness of an enterprise is improved.
Drawings
The present invention will be described in further detail with reference to the accompanying drawings.
Fig. 1 is a schematic diagram of a power communication network planning scheme evaluation system provided by the invention;
FIG. 2 is a flow chart of the risk analysis shown in FIG. 1;
FIG. 3 is a flow chart of the reliability analysis shown in FIG. 1;
FIG. 4 is a schematic of an analytic hierarchy process for planning a project evaluation.
Detailed Description
The present invention will be further described with reference to the following examples. It is to be understood that the embodiments described are only a few embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1, fig. 1 is a schematic diagram of a power communication network planning scheme evaluation system according to the present invention; the power communication network planning scheme evaluation system provided by the invention comprises a data resource model construction unit, a planning analysis unit and a planning result display unit.
The data resource model building unit comprises a data aggregation module, a resource creating module and a service distribution module. The system comprises a data collection module, a resource creation module, a service distribution module and a data resource model construction unit, wherein the data collection module is used for collecting and sorting basic planning data of the power communication network, the resource creation module is used for reading collected data information and creating site information and link information of the power communication network, the service distribution module is used for distributing services of the power communication network, and the data resource model construction unit is used for constructing a data resource model;
the power communication network basic planning data comprises 500kV, 220kV, 110kV and 35kV as well as communication planning data of provincial, city, county and the like, and comprises site information, link information, equipment information and service information, wherein the site information comprises the name, the type, the voltage level and the like of a site; the link information comprises a starting point, an end point, the type of the link, the characteristics of the link, the link attribution, the maximum capacity of the link and the like; the device information includes the location, use, type, model, etc. of the device; the service information includes a start point, an end point, a service type, service characteristics, and the like of the service.
The data collection module restrains the data attributes to ensure the accuracy of data collection, and is convenient for realizing online collection, automatic summation, query and demonstration of planned data of the power communication network. Specifically, in order to accurately and quickly collect basic planning data of the power communication network and realize an online filling function, management units at all levels perform online filling on the data to which the management units belong. Before online filling, data attribute characteristics of sites, links, equipment and service information, such as data sources, update frequency, formats, calculation rules, association relations, typical values, variation characteristics and the like, are constrained, so that accuracy of basic data aggregation work of the power communication network is guaranteed, and data support is provided for next planning simulation analysis work.
Preferably, the resource creating module reads the site information and the link information to create the site information and the link information of the power communication network, and the service distributing module collects and distributes services among sites in the power communication network topology according to a service starting point and end point principle.
The planning analysis unit completes the construction of the topology of the power communication network according to the data resource model, and in some preferred embodiments, the topology of the power communication network is constructed according to the site information, the link information, the equipment information and the service information which are created in the data resource model. And (3) completing simulation analysis of the planning scheme of the power communication network on the power communication network topology, wherein the simulation analysis comprises bandwidth prediction, risk analysis and reliability analysis, and completing planning scheme evaluation.
In order to fully evaluate the bandwidth of the power communication network planning scheme, the power communication network planning scheme evaluation system provided by the invention predicts the bandwidth by combining two schemes of load balancing and shortest path. In the power communication network, each service is allocated with a maximum fixed bandwidth, for example, the bandwidth of a telephone service is fixed to be 2M, and the like, so when bandwidth prediction is performed on a certain link, all services passing through the link need to be calculated, and then the fixed bandwidth corresponding to each service is summed.
In some preferred embodiments, the wideband prediction comprises the steps of:
1) initializing the service distribution condition of connection between sites according to the constructed power communication network topology, and performing discretization processing;
2) calculating all schemes under the priority of load balancing according to the occupation condition of the link bandwidth and a polling algorithm, and sequencing the advantages and disadvantages of the schemes, and recording the advantages and disadvantages as L1, … and Ln;
3) carrying out weight assignment on each scheme of load balancing, such as L1, and assigning 100%; ln is assigned with 100/n%,100% represents that the load of the scheme reaches balance, all aspects are optimal, and the smaller the numerical value is, the worse the scheme is on the premise of load balance;
4) optimizing according to the shortest path in a selected specific load balancing weight interval;
5) and selecting the shortest path, calculating the bearing service on the path, and predicting the bandwidth of the power communication network under the condition by combining with the maximum allowable value of the service bandwidth.
The scheme for predicting the bandwidth of the power communication network planning scheme evaluation system not only can predict the bandwidth of the planning scheme by the shortest path or load balancing respectively, but also can check the bandwidth allocation condition under the shortest path on the premise of the load capacity of certain links in a targeted manner, thereby providing various reference ideas for planning services.
In the risk analysis scheme of the power communication network planning scheme evaluation system provided by the invention, the fault range can be a whole network, or a provincial level backbone power communication network, or a local level backbone communication network and the like. The number of faults is the number of faults which can be selected to be simulated when risk simulation is carried out, and the fault type can be equipment fault, link + equipment fault and the like. In risk analysis of the power communication network, the number, range and type of faults are first selected. And after the selection is completed, analyzing the risk condition of the possible faults of the power communication network.
Referring to fig. 2, fig. 2 is a flowchart of the risk analysis shown in fig. 1, the risk analysis includes the following steps:
1) analyzing all possible reasons for generating faults, and analyzing types, ranges and quantity of the faults;
2) analyzing whether the service borne by the link affected by the fault is affected or not for the link affected by the fault;
3) if the carried service is influenced, firstly analyzing whether the service of the main route is influenced, and secondly analyzing whether the service of the standby route is influenced.
4) For the service carried by the standby route, if the standby route is not influenced, combining the result of bandwidth prediction analysis, regarding that the bandwidth is sufficient, the service can be successfully recovered, and performing statistics; regarding the insufficient bandwidth as recovery failure, and performing statistics; and if the standby route fails, the standby route is regarded as failed in recovery, and statistics are carried out.
5) And (4) according to the simulated fault condition, combining the results of the recovery success and the recovery failure obtained by the risk analysis, and giving a report of risk assessment.
Referring to fig. 3, fig. 3 is a flowchart of reliability analysis shown in fig. 1, in a scheme for evaluating reliability of a power communication network, when evaluating reliability of a power communication network, a power communication network planning scheme evaluation system according to the present invention first calculates a ring formation rate of links and stations of power communication, a network diameter, and a station and link historical failure probability according to power communication data in a power communication network data aggregation module and a constructed power communication network topology, and then evaluates the three elements. When the importance of the station and the link is evaluated, the method comprises the following steps:
1) calculating and evaluating the ring forming rate of the power communication network data and the power communication network topology;
2) calculating the communication network diameter of the power communication network data and power communication network topology and evaluating the communication network diameter;
3) evaluating the importance of the power communication network data and the power communication network topology sites and links;
4) and (4) integrating the factors to evaluate the reliability of the power communication network.
Specifically, when the importance of the station and the link is evaluated, the method comprises the following steps:
1) calculating the fault probability of the station or the link according to the historical fault data of the station or the link;
2) setting a fault threshold value of a site or a link, and if the fault threshold value exceeds the fault threshold value, optimizing the site or the link and paying attention to maintenance measures of the site or the link;
3) calculating the importance of the site or the link according to the service condition borne by the site or the link, wherein the importance is the weighted sum of the service interruption caused by the failure of the site or the link and the importance of the site or the link affected by the service; the importance of the sites and the links is calculated mainly according to the service state and the historical fault data in the power communication network, and the service state of the power communication network mainly comprises the bandwidth size, the type and the number of the bearing service and the like; the historical fault data is mainly used for calculating the historical fault probability.
4) And evaluating the importance of the station or the link based on the bearing power business factors.
Referring to fig. 4, fig. 4 is a schematic diagram of an analytic hierarchy process for planning project evaluation, the analytic hierarchy process employs two-level index analysis, the first level index is bandwidth prediction, risk analysis, and reliability analysis; the second-level index of bandwidth prediction is the shortest path, and load is balanced; the secondary indexes of the risk analysis are the number of faults, the types of the faults and the fault ranges; the secondary indexes of reliability analysis are ring formation rate, network diameter and station and link importance.
The power communication network planning scheme evaluation system provided by the invention provides an evaluation scheme comprehensively considering all the factors in order to comprehensively evaluate the planning work of the power communication network by integrating the bandwidth condition, the risk condition and the reliability condition of power communication.
Firstly, the importance of the bandwidth prediction, risk analysis and reliability analysis on the scheme is compared and evaluated, a judgment matrix is constructed, and weight calculation is carried out to obtain the value { d, f, k } in the scheme evaluation.
And aiming at the shortest path and load balance of the scheme of bandwidth prediction, when the scale of a judgment matrix of the analytic hierarchy process is constructed, the quantization is carried out according to a weight interval selected by the load balance. For example, when bandwidth prediction is performed, a load balancing weight interval is selected, shortest path optimization is performed, and the position occupied by the selected route in load balancing according to the optimization result is converted into a corresponding percentage a, so that in the overall scheme evaluation, the proportion occupied by load balancing is d a, and the proportion occupied by the shortest path scheme is (1-a) d;
when the fault number, the fault type and the fault range of risk analysis are quantified, the fault number is taken as a quantification standard and is divided into 3 standards, for example, the fault number is 0, the quantification is 3, the fault number is 1-2, the quantification is 2, the fault number is 3 or more, and the quantification is 1. And formulating a quantification standard according to the size of the fault range. If the number of faults is quantized to L1, the fault type is quantized to L2, and the fault range is quantized to L3, the proportion of the number of faults in the total scheme is f × L1/(L1+ L2+ L3), and the like.
Aiming at three indexes of the looping rate, the network diameter, the site and the link importance degree of reliability analysis, the calculated result is used for dividing a measurement standard, for example, the influence of the looping rate on the network reliability is used for dividing a scale value, the influence of the network diameter on the network reliability is used for dividing the scale value, the influence of the site and the link importance degree on the network reliability is used for dividing the scale value, then the weight conversion is carried out according to the standard defined by the calculation result, and finally the weight conversion is carried out according to the proportion occupied by the reliability to the proportion occupied by the total scheme. The evaluation system for the planning scheme of the power communication network provided by the invention evaluates and compares all influence factors in the planning scheme of the power communication network in an objective mode as much as possible, can find the key points of the planning work in time, improves the working efficiency, and supports and optimizes the planning work.
In order to show the results of bandwidth prediction, risk analysis, reliability analysis and planning scheme evaluation, the power communication network planning scheme evaluation system provided by the invention is provided with a planning result display unit, can display a certain planning result, is convenient for a planning worker to check and improves the working efficiency.
Thus, it should be appreciated by those skilled in the art that while a number of exemplary embodiments of the invention have been illustrated and described in detail herein, many other variations or modifications consistent with the principles of the invention may be directly determined or derived from the disclosure of the present invention without departing from the spirit and scope of the invention. Accordingly, the scope of the invention should be understood and interpreted to cover all such other variations or modifications.
Claims (9)
1. The power communication network planning scheme evaluation system is characterized by comprising a data resource model construction unit, a planning analysis unit and a planning result display unit;
the data resource model building unit comprises a data collecting module, a resource building module and a service distributing module, wherein the data collecting module is used for collecting and sorting the basic planning data of the power communication network, the resource building module is used for reading collected data information and building site information and link information of the power communication network, the service distributing module is used for distributing the service of the power communication network, and the data resource model building unit is used for building a data resource model;
the planning analysis unit completes the topology construction of the power communication network according to the data resource model, and completes the simulation analysis of the planning scheme of the power communication network on the power communication network topology, wherein the simulation analysis comprises bandwidth prediction, risk analysis and reliability analysis, and completes the evaluation of the planning scheme;
and the planning result display unit displays bandwidth prediction, risk analysis, reliability analysis and planning scheme evaluation.
2. The system according to claim 1, wherein the basic planning data includes site information, link information, equipment information, and service information.
3. The system for evaluating the planning scheme of the power communication network according to claim 1 or 2, wherein the data collection module constrains the data attributes to ensure the accuracy of data collection, so as to facilitate online collection, automatic summation, query and demonstration of the planning data of the power communication network.
4. The system for evaluating a planning scheme of an electric power communication network according to claim 2, wherein the resource creating module reads site information and link information to create the site information and the link information of the electric power communication network, and the service distributing module collects and distributes services among sites in the topology of the electric power communication network according to a service starting point principle and a service ending point principle.
5. The system for evaluating a planning scheme of an electric power communication network according to claim 4, wherein the topology of the electric power communication network is constructed according to site information, link information, equipment information and service information created in the data resource model.
6. The system for evaluating a planning scheme of an electric power communication network according to claim 1, wherein the broadband prediction comprises the following steps:
1) initializing the service distribution condition of connection between sites according to the constructed power communication network topology, and performing discretization processing;
2) calculating all schemes under the priority of load balancing according to the occupation condition of the link bandwidth and a polling algorithm, and sequencing the advantages and disadvantages of the schemes;
3) carrying out weight assignment on each scheme of load balancing;
4) optimizing according to the shortest path in a selected specific load balancing weight interval;
5) and selecting the shortest path, and calculating the bandwidth of the power communication network.
7. The system for evaluating a planning scheme of an electric power communication network according to claim 1, wherein the risk analysis comprises the following steps:
1) analyzing all possible reasons for generating faults, and analyzing types, ranges and quantity of the faults;
2) analyzing whether the service borne by the link affected by the fault is affected or not for the link affected by the fault;
3) if the carried service is influenced, firstly analyzing whether the service of the main route is influenced, and secondly analyzing whether the service of the standby route is influenced;
4) for the service carried by the standby route, if the standby route is not influenced, combining the result of bandwidth prediction analysis, regarding that the bandwidth is sufficient, the service can be successfully recovered, and performing statistics; regarding the insufficient bandwidth as recovery failure, and performing statistics; if the standby route fails, the standby route is regarded as failed in recovery, and statistics is carried out;
5) and (4) according to the simulated fault condition, combining the results of the recovery success and the recovery failure obtained by the risk analysis, and giving a report of risk assessment.
8. The system for evaluating a planning scheme of an electric power communication network according to claim 1, wherein the reliability analysis comprises the following steps:
1) calculating and evaluating the ring forming rate of the power communication network data and the power communication network topology;
2) calculating the communication network diameter of the power communication network data and power communication network topology and evaluating the communication network diameter;
3) evaluating the importance of the power communication network data and the power communication network topology sites and links;
4) and (4) integrating the factors to evaluate the reliability of the power communication network.
9. The system for evaluating the planning scheme of the power communication network according to claim 1, wherein the analytic hierarchy process adopts two-level index analysis, and the one-level index is bandwidth prediction, risk analysis and reliability analysis; the second-level index of bandwidth prediction is the shortest path, and load is balanced; the secondary indexes of the risk analysis are the number of faults, the types of the faults and the fault ranges; the secondary indexes of reliability analysis are ring formation rate, network diameter and station and link importance.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115048815A (en) * | 2022-08-11 | 2022-09-13 | 广州海颐软件有限公司 | Database-based intelligent simulation management system and method for power service |
| CN115225560A (en) * | 2022-07-15 | 2022-10-21 | 国网河南省电力公司信息通信公司 | Route planning method in power communication service |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115225560A (en) * | 2022-07-15 | 2022-10-21 | 国网河南省电力公司信息通信公司 | Route planning method in power communication service |
| CN115225560B (en) * | 2022-07-15 | 2023-08-22 | 国网河南省电力公司信息通信公司 | Route planning method in power communication service |
| CN115048815A (en) * | 2022-08-11 | 2022-09-13 | 广州海颐软件有限公司 | Database-based intelligent simulation management system and method for power service |
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