CN219535635U - Analysis management device for low-voltage power supply reliability - Google Patents
Analysis management device for low-voltage power supply reliability Download PDFInfo
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- CN219535635U CN219535635U CN202222994031.6U CN202222994031U CN219535635U CN 219535635 U CN219535635 U CN 219535635U CN 202222994031 U CN202222994031 U CN 202222994031U CN 219535635 U CN219535635 U CN 219535635U
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Abstract
The utility model discloses an analysis management device for low-voltage power supply reliability, which is characterized in that an electric parameter acquisition module acquires electric parameters of a power distribution network line, a charging state monitoring module judges whether a current power distribution network node is charged, a recognition module establishes a topology change detection index when the power distribution network node is charged, judges whether the topology of a user is changed, automatically records power failure time and power restoration time after the topology of the user is changed and when the topology of the user is changed, and a statistics module counts average power supply reliability, average power failure time of the user and average power failure frequency of the user.
Description
Technical Field
The utility model relates to the technical field of reliability of power systems, in particular to an analysis management device for low-voltage power supply reliability.
Background
With the development of social economy, the public has increasingly demanded the reliability of power supply systems. At present, user power supply reliability management developed in China only counts high-voltage and medium-voltage users, an effective quantitative analysis method and a corresponding management and control system do not exist for low-voltage users, the accuracy of overall power supply statistical data of a power grid is seriously affected, and accurate control on power supply of various users in a managed area cannot be performed.
Disclosure of Invention
This section is intended to outline some aspects of embodiments of the utility model and to briefly introduce some preferred embodiments. Some simplifications or omissions may be made in this section as well as in the description of the utility model and in the title of the utility model, which may not be used to limit the scope of the utility model.
The present utility model has been made in view of the above-described problems with the conventional power supply reliability management.
Therefore, the technical problems solved by the utility model are as follows: the method solves the problems that the existing power supply reliability management has no effective quantitative analysis method and corresponding management regulation device for low-voltage users, the accuracy of the whole power supply statistical data of the power grid is seriously affected, and the accurate control on the power supply of various users in the managed area cannot be performed.
In order to solve the technical problems, the utility model provides the following technical scheme: an analysis management apparatus for low voltage power supply reliability, the analysis management apparatus being provided at a low voltage side low voltage switch outlet terminal of a transformer, comprising: the electric parameter acquisition module is used for acquiring electric parameters of the power distribution network line in real time; the electrification state monitoring module is in electrical signal connection with the electrical parameter acquisition module, receives the electrical parameter, and judges that the current power distribution network node is electrified when the electrical parameter of the power distribution network circuit reaches a set threshold value; the identification module is in signal connection with the live state monitoring module, establishes a topology change detection index when the current power distribution network node is judged to be live, judges whether the user topology changes, and automatically records the power failure time and the power restoration time when the user topology changes; the statistics module is in signal connection with the identification module and is used for counting the average power supply reliability, the average power failure time of a user and the average power failure frequency of the user according to the automatically recorded power failure time and the power restoration time; the power management module is electrically connected with the electric parameter acquisition module, the electrified state monitoring module, the identification module and the statistics module and used for controlling the power supply operation of each module of the analysis management device.
As a preferred embodiment of the analysis management apparatus for low-voltage power supply reliability according to the present utility model, wherein: the electric parameter acquisition module specifically comprises a current acquisition unit and a voltage acquisition unit, wherein the current acquisition unit is used for acquiring the line current of the power distribution network; the voltage acquisition unit is used for acquiring the line voltage of the power distribution network.
As a preferred embodiment of the analysis management apparatus for low-voltage power supply reliability according to the present utility model, wherein: and when the current acquisition unit and the voltage acquisition unit acquire corresponding current and voltage, intermittent acquisition is adopted.
As a preferred embodiment of the analysis management apparatus for low-voltage power supply reliability according to the present utility model, wherein: the break time was 0.1s.
As a preferred embodiment of the analysis management apparatus for low-voltage power supply reliability according to the present utility model, wherein: the storage module is in signal connection with the electric parameter acquisition module, the electrified state monitoring module, the identification module, the statistics module and the power management module, and is used for storing an operating system and corresponding analysis data in real time.
As a preferred embodiment of the analysis management apparatus for low-voltage power supply reliability according to the present utility model, wherein: and the storage module is also provided with a report generation unit, and forms and transmits a statistical report through analysis data stored in real time.
The utility model has the beneficial effects that: the utility model provides an analysis management device for low-voltage power supply reliability, which is characterized in that an electric parameter acquisition module acquires electric parameters of a power distribution network line, a charging state monitoring module judges whether a current power distribution network node is charged, a recognition module establishes a topology change detection index when the power distribution network node is charged, judges whether the topology of a user is changed, automatically records power failure time and power restoration time after the topology of the user is changed and when the topology of the user is changed, and a statistics module counts average power supply reliability, average power failure time of the user and average power failure frequency of the user, so that an effective quantitative analysis method and a corresponding management regulation system are carried out on low-voltage users, and accurate control on power supply is carried out on various users in a managed area.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed in the description of the embodiments will be briefly described below, it being obvious that the drawings in the following description are only some embodiments of the present utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art. Wherein:
fig. 1 is a schematic diagram of a product user installation of an analysis management apparatus for low voltage power supply reliability according to the present utility model.
Fig. 2 is a system block diagram of an analysis management apparatus for low-voltage power supply reliability according to the present utility model.
Detailed Description
So that the manner in which the above recited objects, features and advantages of the present utility model can be understood in detail, a more particular description of the utility model, briefly summarized above, may be had by reference to the embodiments, some of which are illustrated in the appended drawings. All other embodiments, which can be made by one of ordinary skill in the art based on the embodiments of the present utility model without making any inventive effort, shall fall within the scope of the present utility model.
At present, user power supply reliability management developed in China only counts high-voltage and medium-voltage users, an effective quantitative analysis method and a corresponding management and control device do not exist for low-voltage users, the accuracy of the whole power supply statistical data of a power grid is seriously affected, and accurate control on power supply of various users in a managed area cannot be performed.
Accordingly, referring to fig. 1 and 2, the present utility model provides an analysis management device for low-voltage power supply reliability, the analysis management device is disposed at a low-voltage side low-voltage switch outlet terminal of a transformer, and includes:
the electric parameter acquisition module 100 is used for acquiring electric parameters of the power distribution network line in real time;
the electrified state monitoring module 200 is electrically connected with the electric parameter acquisition module 100, receives electric parameters, and judges that the current power distribution network node is electrified when the electric parameters of the power distribution network circuit reach a set threshold value;
the identification module 300 is in signal connection with the live state monitoring module 200, establishes a topology change detection index when the current power distribution network node is judged to be live, judges whether the user topology changes, and automatically records the power failure time and the power restoration time when the user topology changes;
the statistics module 400 is in signal connection with the identification module 300 and is used for counting the average power supply reliability, the average power failure time of a user and the average power failure frequency of the user according to the automatically recorded power failure time and the power restoration time;
the power management module 500 is electrically connected with the electrical parameter acquisition module 100, the electrified state monitoring module 200, the identification module 300 and the statistics module 400, and is used for controlling the power supply operation of each module of the system.
Wherein the electrical parameter acquisition module 100 specifically comprises a current acquisition unit and a voltage acquisition unit, wherein,
the current acquisition unit is used for acquiring the line current of the power distribution network;
and the voltage acquisition unit is used for acquiring the line voltage of the power distribution network.
Furthermore, when the current acquisition unit and the voltage acquisition unit acquire corresponding current and voltage, intermittent acquisition is adopted.
Further, the interruption time was 0.1s.
Additionally, the system further comprises a storage module 600, which is in signal connection with the electric parameter acquisition module 100, the electrified state monitoring module 200, the identification module 300, the statistics module 400 and the power management module 400, and is used for storing an operating system and storing corresponding analysis data in real time.
In addition, a report generating unit is further disposed in the storage module 600, and a statistical report is formed and sent through analysis data stored in real time.
The low-voltage power supply reliability analysis and management device can locally analyze weak points of the low-voltage distribution line by being arranged at a node of the low-voltage distribution line, and provides data support for transformation of the low-voltage distribution line.
The device performs local analysis and calculation on the power supply reliability rate in the device by collecting index data affecting the power supply reliability and the user relationship of the low-voltage distribution line, and uploads a calculation report for evaluating the power supply reliability of the low-voltage distribution line.
The low-voltage power supply reliability analysis management device is arranged at the outlet end of the low-voltage switch at the low-voltage side of the transformer, can monitor the electrified state of a line in real time and identify the topology of a user, can automatically record the power failure time and the power restoration time when the power failure of the line occurs, and automatically calculates the average power supply reliability, the average power failure time of the user and the average power failure frequency of the user in the statistical period according to an algorithm.
The utility model provides an analysis management device for low-voltage power supply reliability, which is characterized in that an electric parameter acquisition module acquires electric parameters of a power distribution network line, a charging state monitoring module judges whether a current power distribution network node is charged, a recognition module establishes a topology change detection index when the power distribution network node is charged, judges whether the topology of a user is changed, automatically records power failure time and power restoration time after the topology of the user is changed and when the topology of the user is changed, and a statistics module counts average power supply reliability, average power failure time of the user and average power failure frequency of the user.
It should be noted that the above embodiments are only for illustrating the technical solution of the present utility model and not for limiting the same, and although the present utility model has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that the technical solution of the present utility model may be modified or substituted without departing from the spirit and scope of the technical solution of the present utility model, which is intended to be covered in the scope of the claims of the present utility model.
Claims (6)
1. An analysis management device for low-voltage power supply reliability, characterized in that the analysis management device is disposed at an outlet end of a low-voltage switch on a low-voltage side of a transformer, and comprises:
the electric parameter acquisition module (100) is used for acquiring electric parameters of the power distribution network line in real time;
the electrification state monitoring module (200) is in electric signal connection with the electric parameter acquisition module (100), receives the electric parameter, and judges that the current power distribution network node is electrified when the electric parameter of the power distribution network circuit reaches a set threshold value;
the identification module (300) is in signal connection with the live state monitoring module (200), establishes a topology change detection index when the current power distribution network node is judged to be live, judges whether the user topology changes, and automatically records the power failure time and the power restoration time when the user topology changes;
the statistics module (400) is in signal connection with the identification module (300) and is used for counting the average power supply reliability, the average power failure time of a user and the average power failure frequency of the user according to the automatically recorded power failure time and the automatically recorded power restoration time;
the power management module (500) is electrically connected with the electric parameter acquisition module (100), the electrified state monitoring module (200), the identification module (300) and the statistics module (400) and is used for controlling the power supply operation of each module of the analysis management device.
2. The analysis management apparatus for low-voltage power supply reliability according to claim 1, wherein: the electric parameter acquisition module (100) specifically comprises a current acquisition unit and a voltage acquisition unit, wherein,
the current acquisition unit is used for acquiring the line current of the power distribution network;
the voltage acquisition unit is used for acquiring the line voltage of the power distribution network.
3. The analysis management apparatus for low-voltage power supply reliability according to claim 2, wherein: and when the current acquisition unit and the voltage acquisition unit acquire corresponding current and voltage, intermittent acquisition is adopted.
4. An analysis management apparatus for low-voltage power supply reliability according to claim 3, wherein: the break time was 0.1s.
5. The analysis management apparatus for low-voltage power supply reliability according to claim 4, wherein: the system also comprises a storage module (600) which is in signal connection with the electric parameter acquisition module (100), the electrified state monitoring module (200), the identification module (300), the statistics module (400) and the power management module (500) and is used for storing an operating system and corresponding analysis data in real time.
6. The analysis management apparatus for low-voltage power supply reliability according to claim 5, wherein: the storage module (600) is also provided with a report generation unit, and a statistical report is formed and sent through analysis data stored in real time.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202222994031.6U CN219535635U (en) | 2022-11-10 | 2022-11-10 | Analysis management device for low-voltage power supply reliability |
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| CN202222994031.6U CN219535635U (en) | 2022-11-10 | 2022-11-10 | Analysis management device for low-voltage power supply reliability |
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| CN202222994031.6U Active CN219535635U (en) | 2022-11-10 | 2022-11-10 | Analysis management device for low-voltage power supply reliability |
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