CN112152321A - Transformer area low-voltage loss control system and method - Google Patents
Transformer area low-voltage loss control system and method Download PDFInfo
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- CN112152321A CN112152321A CN202011031861.8A CN202011031861A CN112152321A CN 112152321 A CN112152321 A CN 112152321A CN 202011031861 A CN202011031861 A CN 202011031861A CN 112152321 A CN112152321 A CN 112152321A
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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
- H02J13/00—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network
- H02J13/00001—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network characterised by the display of information or by user interaction, e.g. supervisory control and data acquisition systems [SCADA] or graphical user interfaces [GUI]
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/08—Locating faults in cables, transmission lines, or networks
- G01R31/081—Locating faults in cables, transmission lines, or networks according to type of conductors
- G01R31/086—Locating faults in cables, transmission lines, or networks according to type of conductors in power transmission or distribution networks, i.e. with interconnected conductors
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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
- H02J13/00—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network
- H02J13/00002—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network characterised by monitoring
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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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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Human Computer Interaction (AREA)
- Remote Monitoring And Control Of Power-Distribution Networks (AREA)
Abstract
The invention discloses a transformer area low-voltage loss control system and a method, wherein the system comprises a total ammeter and a user side ammeter, wherein the total power end in a transformer area power supply system is a root node, and the user side in the transformer area power supply system is a leaf node; the main electricity meter is arranged on a root node, the user-side electricity meter is arranged on a leaf node, and a branch electricity meter tree-shaped electricity meter networking structure is arranged on all nodes in a power supply network from the main power supply end to the user side; the electric meter arranged on the father node in the tree-shaped electric meter networking structure is used for monitoring electric meter data arranged on the child node to which the electric meter belongs and monitoring and accurately positioning power supply loss abnormity of the child node area to which the electric meter belongs. The invention adopts a total distribution management mode, all the electric meters are numbered according to the total distribution relation, and the intelligent electric meters on each node of the power supply network are networked with the intelligent electric meters on the next-level nodes, so that the specific line of power supply loss abnormity can be accurately reflected, and the management work of the transformer area can be conveniently carried out.
Description
Technical Field
The invention belongs to the technical field of transformer area low-voltage loss control, and particularly relates to a transformer area low-voltage loss control system and method.
Background
The low-voltage loss of the transformer area mainly comprises overlarge power supply radius, power supply system electric leakage, illegal user electricity stealing and the like. In order to control the low voltage loss of the console area, at present, power supply points are reasonably arranged, the power supply radius is reduced, wires with high loss and switches are replaced, the strength is increased to stop the electricity stealing behavior of illegal users, and particularly, the electricity stealing behavior of illegal users is discovered by applying big data formed by various power systems.
In order to reduce loss, a plurality of management systems are applied to power supply enterprises, abnormal loss is found, workers are immediately organized to investigate the abnormal loss, even if some loss still reaches over 10 percent, and loss treatment work is very difficult.
The root of the method is that accurate data cannot be obtained, firstly, electric meters are only arranged at a main power supply end and a user end of a power supply facility of a transformer area, no electric meter is arranged in the middle of the power supply facility, data at two ends are different, and the reason of the difference is difficult to determine. Secondly, the power supply facilities of the distribution area are not provided with a perfect file system, and the wires in the distribution network of the distribution area are not accurately recorded, so that the real wire loss cannot be reflected, the searching is inconvenient, and the searched data is not accurate. Moreover, a strict management mechanism is not provided, and workers can replace the wires at will or even increase or decrease the power supply load privately, so that the loss management work is disordered. In addition, each user is provided with one electric energy meter, so that huge interactive data can be formed when accurate and timely data are obtained, and the operation cost of an enterprise can be increased.
Disclosure of Invention
The invention provides a transformer area low-voltage loss control system, aiming at solving the technical problems of inaccurate management and control and the like caused by the conventional transformer area power supply facility. According to the invention, the intelligent ammeter is used for timely managing and controlling the low-voltage network of the transformer area, and no matter the system leaks electricity or illegal users steal electricity, prompt information can be sent to a transformer area manager or a background at the first time, so that a basis is provided for transformer area loss reduction and network planning, related work is more convenient, and the operation and maintenance cost of enterprises is lower.
The invention is realized by the following technical scheme:
a transformer area low-voltage loss control system comprises a main ammeter and a user side ammeter, wherein a main power supply end in a transformer area power supply system is a root node, and a user side in the transformer area power supply system is a leaf node;
the main electricity meter is arranged on a root node, the user-side electricity meter is arranged on a leaf node, and a branch electricity meter tree-shaped electricity meter networking structure is arranged on all nodes in a power supply network from the main power supply end to the user side;
the electric meter arranged on the father node in the tree-shaped electric meter networking structure is used for monitoring electric meter data arranged on the child node to which the electric meter belongs and monitoring and accurately positioning power supply loss abnormity of the child node area to which the electric meter belongs.
The invention adopts a total distribution management mode, all the electric meters are numbered according to the total distribution relation, and the intelligent electric meters on each node of the power supply network are networked with the intelligent electric meters on the next-level nodes, so that the specific line of power supply loss abnormity can be accurately reflected, and the management work of the transformer area can be conveniently carried out.
Preferably, the system of the present invention further comprises a host;
the host is used for recording and displaying the position relation of all the electric meters, the types of all the leads in the power supply network, the lengths of the leads and the loss values;
the host is in communication connection with all the electric meters.
The management software is arranged on the host and used for recording the position relations of all the intelligent electric meters in the power supply system of the transformer area; recording the types, lengths and loss values of all wires in the power supply system of the transformer area; the abnormal circuit in the power supply system can be displayed in real time according to the abnormal condition.
Preferably, the electric meter provided on the parent node of the present invention compares the electricity consumption information of the electric meter provided on the parent node with the electric meter information on the child node thereof, and if there is an abnormality, the electric meter provided on the parent node transmits the abnormality information to the host.
Preferably, the host sends the abnormal information to the management personnel of the transformer area so as to facilitate the management personnel to check and eliminate the abnormality in time;
and the host sends the abnormal information to a related management and control system for storage and subsequent processing.
Preferably, the host computer of the present invention is further configured to display the abnormal region and the abnormal line segment. .
On the other hand, the invention also provides a low-voltage loss control method for the distribution room, which comprises the following steps:
setting a root node at a total power supply end in a power supply system of a transformer area, setting a total ammeter on the root node, setting a user end in the power supply system of the transformer area as a leaf node, setting user end ammeters on the leaf node, and setting branch ammeters on all nodes in a power supply network from the total power supply end to the user end to form a tree-shaped ammeter networking structure;
the ammeter data arranged on the child node of the tree-shaped ammeter networking structure is monitored through the ammeter arranged on the father node, and the abnormal power supply loss of the child node area is monitored and accurately positioned.
Preferably, the monitoring of the electric meter data set on the child node to which the electric meter belongs through the electric meter set on the father node in the tree-shaped electric meter networking structure and the monitoring and accurate positioning of the abnormal power supply loss of the child node area to which the electric meter belongs specifically include:
and comparing the electricity consumption information of the ammeter arranged on the father node with the electricity consumption information on the child node, and if the abnormality exists, sending the abnormality information to the host by the ammeter arranged on the father node.
Preferably, the method of the present invention further comprises:
the host sends the abnormal information to the management personnel of the transformer area so as to facilitate the management personnel to check and eliminate the abnormality in time;
and the host also sends the abnormal information to a related management and control system for storage and subsequent processing.
Preferably, the host computer of the present invention is used for recording and displaying all the meter position relationship poles, all the wire types, the wire lengths and the loss values in the power supply network.
Preferably, the host computer of the present invention is further configured to display the abnormal region and the abnormal line segment.
The invention has the following advantages and beneficial effects:
1. according to the invention, the low-voltage network of the transformer area is timely controlled by virtue of the general packet network relation formed by the intelligent electric meters, no matter the system leaks electricity or illegal users steal electricity, prompt information can be sent to a transformer area manager or a background at the first time, a basis is provided for transformer area loss reduction and network planning, the related work is more convenient, and the enterprise operation and maintenance cost is lower.
2. The invention can accurately display the position relation and related data of each component part, and comprises the following steps: how many power utilization equipment and users are in the local area; the mutual position relation of each ammeter is clear as the number of layers is totally divided; accurately reflecting the lead and loss conditions of the network; due to the fact that a general and branch management mode is adopted, specific conductor sections with abnormal power supply loss can be accurately reflected, and management work of a transformer area can be conveniently carried out. Whether the platform area needs to be modified or not is proved to have evidence data; the wire section where the loss abnormity occurs is realized and well documented.
Drawings
The accompanying drawings, which are included to provide a further understanding of the embodiments of the invention and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the invention and together with the description serve to explain the principles of the invention. In the drawings:
fig. 1 is an electric meter networking structure of the control system of the present invention.
Fig. 2 is a schematic block diagram of the system of the present invention.
Detailed Description
Hereinafter, the term "comprising" or "may include" used in various embodiments of the present invention indicates the presence of the invented function, operation or element, and does not limit the addition of one or more functions, operations or elements. Furthermore, as used in various embodiments of the present invention, the terms "comprises," "comprising," "includes," "including," "has," "having" and their derivatives are intended to mean that the specified features, numbers, steps, operations, elements, components, or combinations of the foregoing, are only meant to indicate that a particular feature, number, step, operation, element, component, or combination of the foregoing, and should not be construed as first excluding the existence of, or adding to the possibility of, one or more other features, numbers, steps, operations, elements, components, or combinations of the foregoing.
In various embodiments of the invention, the expression "or" at least one of a or/and B "includes any or all combinations of the words listed simultaneously. For example, the expression "a or B" or "at least one of a or/and B" may include a, may include B, or may include both a and B.
Expressions (such as "first", "second", and the like) used in various embodiments of the present invention may modify various constituent elements in various embodiments, but may not limit the respective constituent elements. For example, the above description does not limit the order and/or importance of the elements described. The foregoing description is for the purpose of distinguishing one element from another. For example, the first user device and the second user device indicate different user devices, although both are user devices. For example, a first element could be termed a second element, and, similarly, a second element could be termed a first element, without departing from the scope of various embodiments of the present invention.
It should be noted that: if it is described that one constituent element is "connected" to another constituent element, the first constituent element may be directly connected to the second constituent element, and a third constituent element may be "connected" between the first constituent element and the second constituent element. In contrast, when one constituent element is "directly connected" to another constituent element, it is understood that there is no third constituent element between the first constituent element and the second constituent element.
The terminology used in the various embodiments of the invention is for the purpose of describing particular embodiments only and is not intended to be limiting of the various embodiments of the invention. As used herein, the singular forms are intended to include the plural forms as well, unless the context clearly indicates otherwise. Unless otherwise defined, all terms (including technical and scientific terms) used herein have the same meaning as commonly understood by one of ordinary skill in the art to which various embodiments of the present invention belong. The terms (such as those defined in commonly used dictionaries) should be interpreted as having a meaning that is consistent with their contextual meaning in the relevant art and will not be interpreted in an idealized or overly formal sense unless expressly so defined herein in various embodiments of the present invention.
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail below with reference to examples and accompanying drawings, and the exemplary embodiments and descriptions thereof are only used for explaining the present invention and are not meant to limit the present invention.
Examples
Compared with the prior art that the intelligent electric meters are only arranged at the main power end and the user end in the power supply management system of the transformer area, when data at two ends are different, the abnormal specific line is difficult to determine, huge manpower and material resources are consumed, and power supply management of the transformer area is inconvenient.
Therefore, the present embodiment proposes a station area low voltage loss control system, and the present embodiment sets the smart meter network in a general branch network relationship (tree structure) as shown in fig. 1 according to the station area power supply network.
Specifically, as shown in fig. 1, in this embodiment, a 5-tier grid structure is provided according to a power supply network of a platform area, and includes a total electric meter, a primary electric meter, a secondary electric meter, a tertiary electric meter, and a user-side electric meter; the primary electric meter, the secondary electric meter and the tertiary electric meter are arranged on branch nodes of the power supply network from the total power end to the user end.
As shown in fig. 1, the total electric meter is used as a root node of the whole tree structure, the user-side electric meter is used as a leaf node of the whole tree structure, and in the whole tree structure, the previous-level node is used as a parent node, and all the subordinate nodes belonging to the previous-level node are child nodes, that is, the child nodes and the parent node of the embodiment are subordinate relationships, for example, when the total electric meter is used as a parent node, the subordinate first-level electric meter 1, first-level electric meter 2, …, and first-level electric meter n are child nodes of the total electric meter.
In this embodiment, the total score relationship network shown in fig. 1 is arranged, the electric meters of all subordinate sub-nodes are managed by the electric meter of the parent node, the information of the electric meter of the parent node is compared with the information of the next-level smart electric meter by the electric meter of the parent node, when an abnormality occurs, the electric meter of the parent node sends the abnormality information to the host, for example, when the electricity consumption information of the first-level electric meter 2 is compared with the electricity consumption information of the second-level electric meters 2-1, … and 2-n2, and when the electricity consumption information is not matched, the abnormality exists, the first-level electric meter 2 sends the abnormality information to the host.
The embodiment can accurately reflect the specific line section with abnormal power supply loss, so that the management personnel in the transformer area can quickly and timely deal with the abnormal condition, and the management work of the transformer area is well documented.
As shown in fig. 2, the control system of the present embodiment is composed of an electric meter networking structure, a host, and a manager (other related system). Fig. 2 simply shows an electric meter networking structure consisting of a total electric meter, a first-level electric meter, a second-level electric meter, a third-level electric meter and a user-side electric meter, and the specific electric meter networking structure is shown in fig. 1.
The host of the embodiment can record the electric meter networking structure including the position relation and relevant data of each electric meter through the management system, and record and display the model, the length and the loss value of each line of the power supply network in the power supply system of the transformer area. Specifically, the main sentence of this embodiment can record how many electric devices and the mutual position relationship between the user and each electric meter are in the local area, the number of layers of the networking structure network, and the line and loss conditions of the power supply network can be accurately reflected.
The host computer of this embodiment and the equal communication connection of all smart electric meters in the ammeter network structure can receive the abnormal information that each ammeter conveyed, can accurately show (warn) the concrete position of unusual circuit on the host computer according to ammeter position relation to send this unusual electronic equipment for platform district managers, the platform district managers of being convenient for in time, effectually investigate, eliminate unusually.
The host of the embodiment can also send the exception to the related management system for storage and subsequent analysis and processing, so that the station area management is well documented and can be checked conveniently, and reliable data support is provided for the station area management work.
Example 2
Based on the foregoing embodiment, this embodiment further provides a method for controlling low voltage loss in a distribution room, which specifically includes the following steps:
(1) the method comprises the steps that a root node is arranged at a total power supply end in a power supply system of a transformer area, a total electric meter is arranged on the root node, a user end in the power supply system of the transformer area is arranged as a leaf node, a user end electric meter is arranged on the leaf node, branch electric meters are arranged on all nodes in a power supply network from the total power supply end to the user end, and the tree-shaped electric meter networking structure shown in fig. 1 is formed.
(2) The electric meter arranged on the father node in the electric meter networking structure is used for monitoring electric meter data arranged on the child node to which the electric meter belongs and monitoring and accurately positioning power supply loss abnormity of the child node area to which the electric meter belongs.
(3) The electric meter arranged on the father node compares the information on the electric meter with the information of the next-level electric meter, and if the abnormality occurs, the electric meter arranged on the father node sends the abnormal information to the host.
(4) The host sends the abnormal information to the management personnel of the transformer area so that the management personnel can check and eliminate the abnormality in time.
In the embodiment, the position relation of all electric meters, the types of all wires in a power supply network, the lengths of the wires and the loss values are recorded through the host; and the host is in communication connection with all the electric meters.
The host of this embodiment also sends the exception information to the relevant management and control system for storage and subsequent processing.
The host of the embodiment is also used for displaying the position relation and the related data of each electric meter; and displaying the abnormal area and the abnormal line section.
The above-mentioned embodiments are intended to illustrate the objects, technical solutions and advantages of the present invention in further detail, and it should be understood that the above-mentioned embodiments are merely exemplary embodiments of the present invention, and are not intended to limit the scope of the present invention, and any modifications, equivalent substitutions, improvements and the like made within the spirit and principle of the present invention should be included in the scope of the present invention.
Claims (10)
1. A transformer area low-voltage loss control system comprises a main ammeter and a user side ammeter, and is characterized in that a main power supply end in a transformer area power supply system is a root node, and a user side in the transformer area power supply system is a leaf node;
the main electricity meter is arranged on a root node, the user-side electricity meter is arranged on a leaf node, and a branch electricity meter tree-shaped electricity meter networking structure is arranged on all nodes in a power supply network from the main power supply end to the user side;
the electric meter arranged on the father node in the tree-shaped electric meter networking structure is used for monitoring electric meter data arranged on the child node to which the electric meter belongs and monitoring and accurately positioning power supply loss abnormity of the child node area to which the electric meter belongs.
2. The transformer area low voltage loss control system of claim 1, further comprising a host;
the host is used for recording and displaying the position relation of all the electric meters, the types of all the leads in the power supply network, the lengths of the leads and the loss values;
the host is in communication connection with all the electric meters.
3. The system of claim 2, wherein the electric meter installed in the parent node compares the electricity consumption information of the electric meter installed in the parent node with the electric meter information of the child nodes, and if there is an abnormality, the electric meter installed in the parent node transmits the abnormality information to the host.
4. The transformer area low-voltage loss control system according to claim 2 or 3, wherein the host sends the abnormality information to a transformer area manager so that the manager can check and eliminate the abnormality in time;
and the host sends the abnormal information to a related management and control system for storage and subsequent processing.
5. The system of claim 4, wherein the host computer is further configured to display the abnormal area and the abnormal line segment.
6. A method for controlling low voltage loss of a distribution area is characterized by comprising the following steps:
setting a root node at a total power supply end in a power supply system of a transformer area, setting a total ammeter on the root node, setting a user end in the power supply system of the transformer area as a leaf node, setting user end ammeters on the leaf node, and setting branch ammeters on all nodes in a power supply network from the total power supply end to the user end to form a tree-shaped ammeter networking structure;
the ammeter data arranged on the child node of the tree-shaped ammeter networking structure is monitored through the ammeter arranged on the father node, and the abnormal power supply loss of the child node area is monitored and accurately positioned.
7. The method for controlling transformer district low voltage loss according to claim 6, wherein the monitoring of the meter data set on the child node to which the transformer district belongs through the meters set on the father node in the tree-shaped meter networking structure and the monitoring and accurate positioning of the power supply loss abnormality of the child node area to which the transformer district belongs are specifically:
and comparing the electricity consumption information of the ammeter arranged on the father node with the electricity consumption information on the child node, and if the abnormality exists, sending the abnormality information to the host by the ammeter arranged on the father node.
8. The method of claim 7, further comprising:
the host sends the abnormal information to the management personnel of the transformer area so as to facilitate the management personnel to check and eliminate the abnormality in time;
and the host also sends the abnormal information to a related management and control system for storage and subsequent processing.
9. The method of claim 7 or 8, wherein the host computer is used for recording and displaying all meter position relationship poles, all wire types, wire lengths and loss values in the power supply network.
10. The station area low-voltage loss control method according to claim 9, wherein the host is used for displaying abnormal areas and abnormal line sections.
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| CN202011031861.8A CN112152321A (en) | 2020-09-27 | 2020-09-27 | Transformer area low-voltage loss control system and method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116775967A (en) * | 2023-07-17 | 2023-09-19 | 国网浙江省电力有限公司金华供电公司 | Data processing method and system for remote payment of electricity fee based on multidimensional display |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110829590A (en) * | 2019-10-10 | 2020-02-21 | 广州炫通电气科技有限公司 | Intelligent monitoring system, method, platform and storage medium for transformer area line loss |
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- 2020-09-27 CN CN202011031861.8A patent/CN112152321A/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110829590A (en) * | 2019-10-10 | 2020-02-21 | 广州炫通电气科技有限公司 | Intelligent monitoring system, method, platform and storage medium for transformer area line loss |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116775967A (en) * | 2023-07-17 | 2023-09-19 | 国网浙江省电力有限公司金华供电公司 | Data processing method and system for remote payment of electricity fee based on multidimensional display |
| CN116775967B (en) * | 2023-07-17 | 2023-12-15 | 国网浙江省电力有限公司金华供电公司 | Data processing method and system for remote payment of electricity fee based on multidimensional display |
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Application publication date: 20201229 |