CN111030103A - Main and distribution network linkage power failure analysis method and system - Google Patents
Main and distribution network linkage power failure analysis method and system Download PDFInfo
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- CN111030103A CN111030103A CN201911329602.0A CN201911329602A CN111030103A CN 111030103 A CN111030103 A CN 111030103A CN 201911329602 A CN201911329602 A CN 201911329602A CN 111030103 A CN111030103 A CN 111030103A
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Abstract
The invention discloses a main and distribution network linkage power failure analysis method and a system, wherein the method comprises the following steps: acquiring a main network maintenance plan and a distribution network maintenance plan; analyzing the number of first distribution network feeders which need to be powered off and are influenced by the major network maintenance plan and the number of second distribution network feeders which need to be powered off and are influenced by the distribution network maintenance plan; analyzing the number of partial feeders capable of supplying power in the number of feeders of the first distribution network; and calculating the difference value of the number of the first distribution network feeders and the number of the partial feeders, calculating the ratio of the number of the second distribution network feeders to the difference value, and judging whether the main distribution network adopts linkage power failure maintenance or not according to the ratio. Through obtaining major network maintenance plan, joining in marriage net maintenance plan, can judge whether the major network needs the linkage to have a power failure to overhaul automatically, the analysis decision-making is efficient, can overhaul the major network and arrange overall, improves the comprehensive management level that has a power failure, reduces the power off time, promotes user's power consumption and experiences and optimize power consumption operator environment.
Description
Technical Field
The invention belongs to the technical field of power supply and distribution management, and particularly relates to a main and distribution network linkage power failure analysis method and system.
Background
With the high-speed development of economy in China being shifted to a new stage of high-quality development, the requirement of society on power supply reliability is higher and higher. The power failure time is reduced, the power utilization experience of users is improved, the power utilization operator environment is optimized to become a great challenge for power supply enterprises, and higher requirements are provided for the management level of the power supply enterprises. On one hand, the power supply enterprises need to strengthen the construction of the net rack, and on the other hand, the power supply enterprises start from the comprehensive power failure, so that the influence caused by the planned power failure is reduced.
The main distribution linkage is a necessary measure for improving the comprehensive power failure management level and the power supply reliability level. However. Because lack relevant instrument support at present, the maintenance managers of power supply enterprise can only manually carry out the overall arrangement and the analysis of main and distribution network maintenance plan, and the work load is fairly big, wastes time and energy, and easily leaks the mating point. The concrete expression is as follows: the owner of power supply enterprise, join in marriage net maintenance plan and be managed by the personnel of difference, the condition of joining in marriage net route is not clear to main net maintenance managers, it is not clear that which main net maintenance plans can lead to joining in marriage net power failure again to join in marriage net maintenance managers, only can communicate through Excel table and mail when arranging maintenance plan, maintenance plan often has hundreds of thousands, the administrative cost is high, communicate inefficiency, the analysis degree of difficulty is big, it is difficult to carry out the owner, join in marriage net maintenance planned overall arrangement, it is difficult to analyze owner, join in marriage net cooperation outage and to the promotion effect of power supply reliability and how many potential cooperation points.
Disclosure of Invention
The invention aims to provide a method and a system for analyzing the linkage power failure of a main network and a distribution network, and aims to solve the technical problems.
In order to achieve the purpose, the invention adopts the following technical scheme:
in a first aspect, the invention provides a master and distribution network linkage power failure analysis method, which comprises the following steps:
acquiring a main network maintenance plan and a distribution network maintenance plan;
analyzing the number of first distribution network feeders which need to be powered off and are influenced by the major network maintenance plan and the number of second distribution network feeders which need to be powered off and are influenced by the distribution network maintenance plan;
analyzing the number of partial feeders capable of supplying power in the number of feeders of the first distribution network;
and calculating the difference value of the number of the first distribution network feeders and the number of the partial feeders, calculating the ratio of the number of the second distribution network feeders to the difference value, and judging whether the main distribution network adopts linkage power failure maintenance or not according to the ratio.
Optionally, the acquiring a main network overhaul plan and a distribution network overhaul plan includes:
establishing a main network maintenance plan database, wherein the main network maintenance plan database comprises a plan number of a main network, responsibility units, affiliated substations, maintenance equipment numbers, working contents and affected distribution network equipment;
establishing a distribution network maintenance plan database, wherein the distribution network maintenance plan database comprises a plan number, a responsibility unit, a belonging transformer substation, maintenance equipment, a maintenance equipment number and working contents of a distribution network;
and establishing a distribution network feeder database, wherein the distribution network feeder database comprises the name of a feeder of a distribution network feeder, the number of the feeders, the transformer substation to which the transformer substation belongs, the bus to which the transformer substation belongs, the condition of power transfer and the number of users.
Optionally, the analyzing a first distribution network feeder number influenced by the major network maintenance plan and requiring power outage and a second distribution network feeder number influenced by the distribution network maintenance plan and requiring power outage includes:
acquiring a power supply network circuit diagram;
and analyzing the number of the first distribution network feeders and the number of the second distribution network feeders according to the power supply network line diagram.
Optionally, after the calculating a difference between the first distribution network feeder number and the partial feeder number, and calculating a ratio between the second distribution network feeder number and the difference, the method further includes:
calculating reliability data, wherein the reliability data comprises the number of power failure users, power failure time and user power failure average time;
and comprehensively considering and judging whether the main and distribution networks adopt linkage power failure maintenance or not according to the ratio and the reliability data.
Optionally, judge whether the main and auxiliary networks adopt linkage power failure to overhaul according to the ratio, include:
and judging whether the ratio is greater than a preset value, if so, performing linkage power failure maintenance on the main and distribution networks, and if not, performing linkage on the main and distribution networks.
Optionally, the preset value is equal to 50%.
In a second aspect, the present invention further provides a system for analyzing power outage in linkage of a main network and a distribution network, including:
the acquisition unit is used for acquiring a major network maintenance plan and a distribution network maintenance plan;
the first analysis unit is used for analyzing the number of first distribution network feeders which need to be powered off and are influenced by the major network maintenance plan and the number of second distribution network feeders which need to be powered off and are influenced by the distribution network maintenance plan;
the second analysis unit is used for analyzing the number of partial feeders capable of supplying power in the number of the first distribution network feeders;
and the calculating unit is used for calculating the difference value between the first distribution network feeder number and the partial feeder number and calculating the ratio of the second distribution network feeder number to the difference value.
Compared with the prior art, the embodiment of the invention has the following beneficial effects:
by comprehensively considering the main network overhaul plan and the distribution network overhaul plan and taking the ratio of the number of the second distribution network feeders to the difference value (the difference between the number of the first distribution network feeders and the number of the partial feeders capable of transferring power) as a consideration, whether linkage power failure overhaul is adopted between the main network and the distribution network or not is judged, namely whether the main network and the distribution network are placed in the same time period for power failure overhaul or not is judged. According to the method and the system for analyzing the linkage power failure of the main network and the distribution network, provided by the embodiment of the invention, whether the main network and the distribution network need linkage power failure maintenance or not can be automatically judged by acquiring the main network maintenance plan and the distribution network maintenance plan, the analysis decision efficiency is high, the overall arrangement can be carried out on the main network and the distribution network maintenance, the comprehensive power failure management level is improved, the power failure time is reduced, the power utilization experience of users is improved, and the power utilization operator environment is optimized.
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In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
The structures, ratios, sizes, and the like shown in the present specification are only used for matching with the contents disclosed in the specification, so that those skilled in the art can understand and read the present invention, and do not limit the conditions for implementing the present invention, so that the present invention has no technical significance, and any structural modifications, changes in the ratio relationship, or adjustments of the sizes, without affecting the functions and purposes of the present invention, should still fall within the scope covered by the contents disclosed in the present invention.
Fig. 1 is a flowchart of a method for analyzing a power outage caused by linkage of a main network and a distribution network according to an embodiment of the present invention.
Detailed Description
In order to make the objects, features and advantages of the present invention more obvious and understandable, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is apparent that the embodiments described below are only a part of the embodiments of the present invention, and not all of the 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.
Please refer to fig. 1.
The embodiment provides a main network and distribution network linkage power failure analysis method, which can comprehensively consider a main network maintenance plan and a distribution network maintenance plan, and can perform power failure maintenance through main network and distribution network linkage under a certain condition so as to reduce power failure time, improve user power consumption experience and optimize power consumption operator environment.
The main and distribution network linkage power failure analysis method comprises the following steps:
s1, acquiring a main network maintenance plan and a distribution network maintenance plan;
s2, analyzing the number of first distribution network feeders influenced by the major network maintenance plan and needing power failure and the number of second distribution network feeders influenced by the distribution network maintenance plan and needing power failure;
s3, analyzing the number of partial feeders capable of transferring power in the number of feeders of the first distribution network;
s4, calculating the difference value between the feeder number of the first distribution network and the feeder number of the part of the distribution networks, calculating the ratio of the feeder number of the second distribution network to the difference value, and judging whether the main distribution network adopts linkage power failure maintenance or not according to the ratio.
In the steps of the method, the final purpose is to obtain ratio data, when the ratio is large, the main network maintenance plan and the distribution network maintenance plan are highly overlapped and a matched space exists, namely the main network and the distribution network can be arranged to be maintained in the same time period, so that the average time of power failure of a user is shortened.
In the step S1, the acquiring a main network overhaul plan and a distribution network overhaul plan includes the following steps:
establishing a main network maintenance plan database, wherein the main network maintenance plan database comprises a plan number of a main network, responsibility units, affiliated substations, maintenance equipment numbers, working contents and affected distribution network equipment;
a distribution network maintenance plan database is established, and comprises a plan number, a responsibility unit, a belonging transformer substation, maintenance equipment, a maintenance equipment number and work content of a distribution network;
and establishing a distribution network feeder database, wherein the distribution network feeder database comprises the name of the feeder of the distribution network feeder, the number of the feeder, the transformer substation to which the transformer substation belongs, the bus to which the transformer substation belongs, the condition of power transfer and the number of users.
In step S2, analyzing the number of first distribution network feeders affected by the main network maintenance plan and requiring power outage and the number of second distribution network feeders affected by the distribution network maintenance plan and requiring power outage includes the following steps:
acquiring a power supply network circuit diagram;
and analyzing the number of the first distribution network feeders and the number of the second distribution network feeders according to the power supply network line diagram.
According to the contents of the main network overhaul plan database, the distribution network overhaul plan database and the distribution network feeder database, and in combination with a power supply network line diagram, the number of the first distribution network feeders, the number of the second distribution network feeders and the number of partial feeders capable of supplying power can be analyzed and calculated. Typically the number of second distribution network feeders is less than or equal to the number of first distribution network feeders,
in step S4, after calculating the difference between the first distribution network feeder number and the partial feeder number and calculating the ratio between the second distribution network feeder number and the difference, the method further includes the following steps:
calculating reliability data, wherein the reliability data comprises the number of power failure users, power failure time and user power failure average time;
and comprehensively considering and judging whether the main and distribution networks adopt linkage power failure maintenance or not according to the ratio and the reliability data.
In the above steps, whether the main and distribution network adopts linkage power failure maintenance or not is judged according to the ratio, and the method specifically comprises the following steps:
and judging whether the ratio is greater than a preset value, if so, performing linkage power failure maintenance on the main and distribution networks, and if not, performing linkage on the main and distribution networks. As an alternative, the preset value is equal to 50%.
In another embodiment of the present application, a system for analyzing power outage in linkage of a main network and a distribution network is further provided, where the system is used to implement the analysis method, and includes:
the acquisition unit is used for acquiring a major network maintenance plan and a distribution network maintenance plan;
the first analysis unit is used for analyzing the number of first distribution network feeders which need to be powered off and are influenced by the major network maintenance plan and the number of second distribution network feeders which need to be powered off and are influenced by the distribution network maintenance plan;
the second analysis unit is used for analyzing the number of partial feeders capable of supplying power in the number of the feeders of the first distribution network;
and the calculating unit is used for calculating the difference value between the number of the first distribution network feeders and the number of the partial feeders and calculating the ratio of the number of the second distribution network feeders to the difference value.
To sum up, above-mentioned main network and distribution network linkage power failure analysis method and system, through obtaining main network maintenance plan, joining in marriage net maintenance plan, can judge automatically whether the main network needs linkage power failure to overhaul, the analysis decision-making is efficient, can overhaul main network and arrange overall, improves and synthesizes power failure management level, reduces the power off time, promotes user's power consumption and experiences and optimizes power consumption operator environment.
The terminology used herein is for the purpose of describing particular example embodiments only and is not intended to be limiting. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise. The terms "comprises," "comprising," "including," and "having" are intended to be inclusive and therefore specify the presence of stated features, integers, steps, operations, elements, and/or components, but do not preclude the presence or addition of one or more other features, integers, steps, operations, elements, components, and/or groups thereof. The method steps, processes, and operations described herein are not to be construed as necessarily requiring their performance in the particular order discussed and illustrated, unless explicitly indicated as an order of performance. It should also be understood that additional or alternative steps may be employed.
When an element or layer is referred to as being "on" … … "," engaged with "… …", "connected to" or "coupled to" another element or layer, it can be directly on, engaged with, connected to or coupled to the other element or layer, or intervening elements or layers may also be present. In contrast, when an element or layer is referred to as being "directly on … …," "directly engaged with … …," "directly connected to" or "directly coupled to" another element or layer, there may be no intervening elements or layers present. Other words used to describe the relationship of elements should be interpreted in a similar manner (e.g., "between … …" and "directly between … …", "adjacent" and "directly adjacent", etc.). As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items. Although the terms first, second, third, etc. may be used herein to describe various elements, components, regions, layers and/or sections, these elements, components, regions, layers and/or sections should not be limited by these terms. These terms may be only used to distinguish one element, component, region or section from another element, component, region or section. Unless clearly indicated by the context, use of terms such as the terms "first," "second," and other numerical values herein does not imply a sequence or order. Thus, a first element, component, region, layer or section discussed below could be termed a second element, component, region, layer or section without departing from the teachings of the example embodiments.
Spatially relative terms, such as "inner," "outer," "below," "… …," "lower," "above," "upper," and the like, may be used herein for ease of description to describe a relationship between one element or feature and one or more other elements or features as illustrated in the figures. Spatially relative terms may be intended to encompass different orientations of the device in addition to the orientation depicted in the figures. For example, if the device in the figures is turned over, elements described as "below" or "beneath" other elements or features would then be oriented "above" the other elements or features. Thus, the example term "below … …" can encompass both an orientation of facing upward and downward. The device may be otherwise oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted.
The above-mentioned embodiments are only used for illustrating the technical solutions of the present invention, and not for limiting the same; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.
Claims (7)
1. A main network and distribution network linkage power failure analysis method is characterized by comprising the following steps:
acquiring a main network maintenance plan and a distribution network maintenance plan;
analyzing the number of first distribution network feeders which need to be powered off and are influenced by the major network maintenance plan and the number of second distribution network feeders which need to be powered off and are influenced by the distribution network maintenance plan;
analyzing the number of partial feeders capable of supplying power in the number of feeders of the first distribution network;
and calculating the difference value of the number of the first distribution network feeders and the number of the partial feeders, calculating the ratio of the number of the second distribution network feeders to the difference value, and judging whether the main distribution network adopts linkage power failure maintenance or not according to the ratio.
2. The method for analyzing power failure in linkage of the main network and the distribution network according to claim 1, wherein the step of obtaining a main network maintenance plan and a distribution network maintenance plan comprises the following steps:
establishing a main network maintenance plan database, wherein the main network maintenance plan database comprises a plan number of a main network, responsibility units, affiliated substations, maintenance equipment numbers, working contents and affected distribution network equipment;
establishing a distribution network maintenance plan database, wherein the distribution network maintenance plan database comprises a plan number, a responsibility unit, a belonging transformer substation, maintenance equipment, a maintenance equipment number and working contents of a distribution network;
and establishing a distribution network feeder database, wherein the distribution network feeder database comprises the name of a feeder of a distribution network feeder, the number of the feeders, the transformer substation to which the transformer substation belongs, the bus to which the transformer substation belongs, the condition of power transfer and the number of users.
3. The master network and distribution network linkage power failure analysis method according to claim 2, wherein the analysis of the number of first distribution network feeders affected by the master network maintenance plan and requiring power failure and the number of second distribution network feeders affected by the distribution network maintenance plan and requiring power failure comprises:
acquiring a power supply network circuit diagram;
and analyzing the number of the first distribution network feeders and the number of the second distribution network feeders according to the power supply network line diagram.
4. The method for analyzing power outage in linkage with a main distribution network according to claim 1, wherein after calculating a difference between the first distribution network feeder number and the partial feeder number and calculating a ratio between the second distribution network feeder number and the difference, the method further comprises:
calculating reliability data, wherein the reliability data comprises the number of power failure users, power failure time and user power failure average time;
and comprehensively considering and judging whether the main and distribution networks adopt linkage power failure maintenance or not according to the ratio and the reliability data.
5. The method for analyzing linkage power failure of the main distribution network according to claim 1, wherein the step of judging whether the main distribution network adopts linkage power failure maintenance according to the ratio comprises the following steps:
and judging whether the ratio is greater than a preset value, if so, performing linkage power failure maintenance on the main and distribution networks, and if not, performing linkage on the main and distribution networks.
6. The master-distribution network linkage power failure analysis method according to claim 5, wherein the preset value is equal to 50%.
7. The utility model provides a main and distribution network linkage power failure analysis system which characterized in that includes:
the acquisition unit is used for acquiring a major network maintenance plan and a distribution network maintenance plan;
the first analysis unit is used for analyzing the number of first distribution network feeders which need to be powered off and are influenced by the major network maintenance plan and the number of second distribution network feeders which need to be powered off and are influenced by the distribution network maintenance plan;
the second analysis unit is used for analyzing the number of partial feeders capable of supplying power in the number of the first distribution network feeders;
and the calculating unit is used for calculating the difference value between the first distribution network feeder number and the partial feeder number and calculating the ratio of the second distribution network feeder number to the difference value.
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