CN111404264A - Method for maintaining source end of low-voltage distribution transformer area equipment and realizing plug and play - Google Patents
Method for maintaining source end of low-voltage distribution transformer area equipment and realizing plug and play Download PDFInfo
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- CN111404264A CN111404264A CN201910003709.XA CN201910003709A CN111404264A CN 111404264 A CN111404264 A CN 111404264A CN 201910003709 A CN201910003709 A CN 201910003709A CN 111404264 A CN111404264 A CN 111404264A
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Abstract
The invention discloses a method for maintaining a source end of low-voltage distribution transformer area equipment and realizing plug and play, which comprises the following steps: installing a low-voltage monitoring terminal and a branch monitoring unit in the transformer area to complete communication cable connection; the topology of the electrical primary equipment in the GIS main station maintenance area and the information corresponding to the low-voltage monitoring terminal and the branch monitoring unit are transferred to the DMS main station; after the low-voltage monitoring terminal is powered on, the low-voltage monitoring terminal directly initiates communication connection with a DMS (distributed management system) master station and registers the information of the low-voltage monitoring terminal in the local area; after receiving the registration information of the distribution room, the DMS master station issues the equipment files of the distribution room to the low-voltage monitoring terminal of the distribution room, wherein the equipment files comprise: device serial number, device type, and device ID; and the low-voltage monitoring terminal communicates with the accessed branch monitoring unit by adopting the equipment file information issued by the DMS master station, so that the interaction of the main station and the sub station of the monitoring information of the transformer area is realized. The method can solve the problems of inaccurate information of the main station and complex configuration of the transformer area, and has clear structure, strong operability and lower requirements on engineering technicians.
Description
Technical Field
The invention belongs to the field of distribution network automation, and particularly relates to an implementation scheme of an automation system of a low-voltage distribution transformer area.
Background
With the continuous development of power grid construction, the infrastructure of a power distribution network is greatly improved, the original extensive management is gradually changed into the fine management, and the construction of an intelligent low-voltage transformer area becomes a trend. The common scheme is that a low-voltage monitoring terminal is installed in a transformer area and is responsible for monitoring the electric quantity of the incoming line side of the low-voltage transformer, a branch monitoring unit is installed at a branch switch or is transformed into an intelligent switch and is responsible for monitoring the electric quantity of a branch line, and the branch monitoring unit is communicated with the low-voltage monitoring terminal through a communication cable.
The construction of the current transformer area is relatively disordered, and a plurality of problems exist, namely, the condition that the private branch circuit is in disorder connection with a main station system is inconsistent; secondly, a main station system maintains primary equipment information, a transformer area is responsible for maintaining secondary information, the transformer area is required to provide a detailed and complex data model, the primary and secondary equipment information correlation workload of the main station is large, and the change of a branch line of the transformer area requires a large amount of configuration work of an engineer; thirdly, the communication between the low-voltage monitoring terminal of the transformer area and the master station requires the on-site negotiation of engineering technicians of both parties, and the data transmission can be realized only after the communication setting is carried out, so that the plug-and-play can not be realized; fourthly, the low-voltage monitoring terminal has the characteristics of more communication links, high communication configuration requirement and unsuitability for the technical level of low-voltage operation and maintenance personnel.
Disclosure of Invention
The invention aims to provide a method for maintaining a source end of a low-voltage distribution transformer area and realizing plug and play, which can solve the problems of inaccurate information of a main station and complex configuration of the transformer area, and has the advantages of clear structure, strong operability and lower requirement on engineering technicians.
In order to achieve the above purpose, the solution of the invention is:
a method for maintaining a source end of low-voltage distribution transformer area equipment and realizing plug and play comprises the following steps:
step 1, installing a low-voltage monitoring terminal and a branch monitoring unit in a platform area to complete communication cable connection; each low-voltage monitoring terminal and each branch monitoring unit have unique equipment ID, and are preset before delivery, and the communication measuring point information of the low-voltage monitoring terminals and the branch monitoring units is fixed by standards. In addition, the equipment accessed to the low-voltage monitoring terminal can be other intelligent equipment besides the branch monitoring unit, and is also suitable for the invention;
step 2, the topology of the electrical primary equipment in the GIS main station maintenance area and the information corresponding to the low-voltage monitoring transformer terminal and the branch monitoring unit are transferred to a DMS main station; the topology of primary equipment of the GIS main station comes from drawings and field change, information of secondary equipment (a low-voltage monitoring terminal and a branch monitoring unit) is recorded from the GIS main station and then transferred to the DMS main station through a management flow, and the DMS main station establishes a model and a database of a corresponding distribution area;
step 3, after the low-voltage monitoring terminal is electrified, the low-voltage monitoring terminal directly initiates communication connection with a DMS (distribution management system) master station and registers the information (equipment ID) of the low-voltage monitoring terminal in the local area;
and 4, after receiving the registration information of the distribution area, the DMS master station transmits the equipment file of the distribution area to the low-voltage monitoring terminal of the distribution area, wherein the equipment file comprises: device serial number, device type, and device ID;
and 5, the low-voltage monitoring terminal communicates with the accessed branch monitoring unit by adopting the equipment file information issued by the DMS master station, so that the interaction of the main station and the sub station of the monitoring information of the transformer area is realized.
By adopting the scheme, the invention provides the unified maintenance of primary and secondary equipment information in the GIS main station aiming at the current situations of disordered construction management of the distribution transformer area, frequent change of branch lines, complex equipment configuration of the distribution transformer area and over-high requirement on low-voltage engineering technicians, adopts a top-down configuration mode, and the GIS main station is used as a source end of a model to send the information to the DMS main station and the low-voltage monitoring terminal of the distribution transformer area, so that the condition that the information of the main station is inconsistent with the actual information can be avoided, the accuracy of the information of the distribution transformer area is ensured, the configuration work of the equipment of the distribution transformer area is cancelled, the plug-and-play of the low-voltage monitoring terminal of the distribution transformer area and the access equipment,
Drawings
FIG. 1 is a schematic diagram of a connection between a low-voltage monitoring terminal and a branch monitoring unit in a distribution room;
fig. 2 is a schematic diagram of the implementation of the present invention.
Detailed Description
The present invention will be better understood and implemented by those skilled in the art by the following detailed description of the technical solution of the present invention with reference to the accompanying drawings and specific examples, which are not intended to limit the present invention.
As shown in fig. 2, the distribution transformer area construction can adopt the method of the present invention to realize the unified maintenance of the model, the plug and play of the transformer area equipment and the configuration-free.
A method for maintaining a source end of equipment in a low-voltage distribution transformer area and realizing plug and play relates to a GIS (distribution network geographic information system), a DMS (distribution automation system), a transformer area low-voltage monitoring terminal and a branch monitoring unit. The primary and secondary information in the GIS is transferred and synchronized to the DMS through a management means, the DMS is communicated with the low-voltage monitoring terminal of the distribution room to realize plug-and-play and data interaction, and the low-voltage monitoring terminal is communicated with the branch monitoring unit to realize data acquisition and operation command execution.
Platform zone equipment ID and measurement point specification
And distributing unique equipment IDs for the low-voltage monitoring terminal and the branch monitoring unit of the transformer area, wherein the equipment IDs are preset when leaving a factory and are unique in the whole network.
Communication measuring points of the station area low-voltage monitoring terminal and the branch monitoring unit are standardized, measuring point sequence numbers, names and sequences are fixed, and a part of spare measuring points are reserved for later expansion.
Second, maintenance of master station model
And the newly-built distribution area generates a primary equipment topological relation in the GIS according to a drawing, the equipment ID and the equipment type of the distribution area are recorded and associated to corresponding primary equipment, and the distribution area is directly modified in the GIS during modification and expansion. And (4) transferring the primary and secondary information flow in the GIS to the DMS, and generating a model and a database by the DMS, wherein the database comprises measuring points of all secondary equipment.
Plug and play of platform area equipment
After the low-voltage monitoring terminal of the distribution room is electrified, the distribution room actively establishes communication connection with the DMS main station, local distribution room information (distribution room codes, distribution room names, equipment IDs of the low-voltage monitoring terminals and the like) is registered, and the DMS main station establishes communication with the low-voltage monitoring terminal after receiving a registration request and then starts data transmission.
The low-voltage monitoring terminal and the branch monitoring unit adopt a specific communication protocol to communicate, and the low-voltage monitoring terminal is supported to directly call data by adopting the equipment ID, wherein the equipment ID is obtained from the lower part of the DMS, and the low-voltage monitoring terminal and the branch monitoring unit do not need any configuration.
Fourthly, issuing the equipment account
And after receiving the registration information of the low-voltage monitoring terminal of the distribution area, the DMS master station transmits the equipment file of the distribution area to the low-voltage monitoring terminal, wherein the equipment file comprises an equipment serial number, an equipment type, an equipment ID and the like.
Fifthly, concrete implementation steps
1) Step one, installing a low-voltage monitoring terminal and a branch monitoring unit in a platform area to complete communication cable connection;
2) step two, the topology of the electrical primary equipment in the GIS main station maintenance area and the information corresponding to the low-voltage monitoring terminal and the branch monitoring unit are transferred to the DMS main station;
3) step three, after the low-voltage monitoring terminal is powered on, the low-voltage monitoring terminal directly initiates communication connection with the DMS master station, and registers the information of the low-voltage monitoring terminal in the local area, which is shown as ① in FIG. 2;
4) step four, after receiving the registration information of the distribution area, the DMS master station issues the device file of the distribution area to the low-voltage monitoring terminal of the distribution area, as shown in ② in fig. 2;
5) and step five, the low-voltage monitoring terminal communicates with the branch monitoring unit by adopting the equipment file information issued by the main station, so that the interaction of the main station and the sub station of the station area monitoring information is realized, as shown in ③ and ④ in the figure 2.
In the invention, the ID of the equipment in the transformer area is preset and unique when leaving a factory, the measuring points of different types of equipment are fixed, any new construction and extension work starts from a GIS, after the ID of the equipment in the transformer area is recorded by a GIS master station, a DMS master station can establish a primary and secondary equipment information model, and a low-voltage monitoring terminal in the transformer area can realize communication with a branch monitoring unit and the DMS master station.
The above embodiments are only for illustrating the technical idea of the present invention, and the protection scope of the present invention is not limited thereby, and any modifications made on the basis of the technical scheme according to the technical idea of the present invention fall within the protection scope of the present invention.
Claims (5)
1. A method for maintaining a source end of low-voltage distribution transformer area equipment and realizing plug and play is characterized by comprising the following steps:
step 1, installing a low-voltage monitoring terminal and a branch monitoring unit in a platform area to complete communication cable connection;
step 2, the topology of the electrical primary equipment in the GIS main station maintenance area and the information corresponding to the low-voltage monitoring terminal and the branch monitoring unit are transferred to a DMS main station;
step 3, after the low-voltage monitoring terminal is powered on, the low-voltage monitoring terminal directly initiates communication connection with a DMS (distribution management system) master station and registers the information of the low-voltage monitoring terminal in the local area;
step 4, after receiving the registration information of the distribution area, the DMS master station transmits the equipment file of the distribution area to the low-voltage monitoring terminal of the distribution area;
and 5, the low-voltage monitoring terminal communicates with the branch monitoring unit by adopting the equipment file information issued by the DMS master station, so that the interaction of the main station and the sub station of the monitoring information of the transformer area is realized.
2. The method of claim 1, wherein the method comprises the following steps: in the step 1, each low-voltage monitoring terminal and each branch monitoring unit have a unique device ID, and are preset before delivery, and the communication measuring point information is fixed by a standard.
3. The method of claim 1, wherein the method comprises the following steps: in the step 2, the primary equipment of the GIS main station comes from drawings and field changes, the information of the low-voltage monitoring terminal and the information of the branch monitoring units are input from the GIS main station and then transferred to the DMS main station through a management flow, and the DMS main station establishes a model and a database of a corresponding distribution area.
4. The method of claim 1, wherein the method comprises the following steps: in step 3, the low-voltage monitoring terminal information of the cell refers to the device ID.
5. The method of claim 1, wherein the method comprises the following steps: in step 4, the device profile of the distribution room includes a device serial number, a device type, and a device ID.
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CN201910003709.XA CN111404264B (en) | 2019-01-03 | 2019-01-03 | Method for maintaining source end of low-voltage distribution transformer area equipment and realizing plug and play |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
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CN113037548A (en) * | 2021-03-03 | 2021-06-25 | 广东电网有限责任公司广州供电局 | Plug and play method for low-voltage distribution area monitoring equipment |
Citations (3)
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CN102901899A (en) * | 2012-10-23 | 2013-01-30 | 江苏省电力公司扬州供电公司 | Electric energy quality monitoring and analysis system in power distribution automatic system |
CN104135068A (en) * | 2014-07-04 | 2014-11-05 | 国家电网公司 | Plug-and-play method of power distribution terminals based on IEC61850 standard |
CN108649691A (en) * | 2018-05-18 | 2018-10-12 | 国电南瑞科技股份有限公司 | A kind of distribution terminal plug and play method suitable for APP dynamic loads |
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Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
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CN102901899A (en) * | 2012-10-23 | 2013-01-30 | 江苏省电力公司扬州供电公司 | Electric energy quality monitoring and analysis system in power distribution automatic system |
CN104135068A (en) * | 2014-07-04 | 2014-11-05 | 国家电网公司 | Plug-and-play method of power distribution terminals based on IEC61850 standard |
CN108649691A (en) * | 2018-05-18 | 2018-10-12 | 国电南瑞科技股份有限公司 | A kind of distribution terminal plug and play method suitable for APP dynamic loads |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
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CN113037548A (en) * | 2021-03-03 | 2021-06-25 | 广东电网有限责任公司广州供电局 | Plug and play method for low-voltage distribution area monitoring equipment |
CN113037548B (en) * | 2021-03-03 | 2023-02-14 | 广东电网有限责任公司广州供电局 | Plug and play method for low-voltage distribution area monitoring equipment |
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