CN212514769U - Platform district topological structure monitoring devices - Google Patents
Platform district topological structure monitoring devices Download PDFInfo
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- CN212514769U CN212514769U CN202021306648.9U CN202021306648U CN212514769U CN 212514769 U CN212514769 U CN 212514769U CN 202021306648 U CN202021306648 U CN 202021306648U CN 212514769 U CN212514769 U CN 212514769U
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Abstract
The utility model discloses a platform district topological structure monitoring device, which comprises a platform district topological structure monitoring circuit; the platform area topological structure monitoring circuit comprises a monitoring circuit and a monitoring information channel; taking a switch in a power grid as a node, wherein the monitoring circuit is arranged at each node, and any two monitoring circuits are connected through a monitoring information channel; the monitoring circuit is used for monitoring real-time position information and voltage information of each node; and the monitoring information channel is used for carrying out interaction of the real-time position information and the voltage information between the nodes. The monitoring circuit comprises a zero voltage detection circuit, a control circuit, an IGBT drive circuit and a communication interface; the communication interface is connected with the monitoring information channel, the zero voltage detection circuit is electrically connected with the live wire, the control circuit is electrically connected with the zero voltage detection circuit, and the IGBT drive circuit is connected with the live wire, the zero line and the control circuit.
Description
Technical Field
The utility model relates to an electric power communication field, concretely relates to platform district topological structure monitoring devices.
Background
As an important component of a smart power grid, a low-voltage power distribution network has increasingly complex requirements along with the continuous promotion of information technology, increasingly complex power supply and utilization environments, wide distribution of terminal equipment and large physical position difference, so that the equipment maintenance cost is increased and the maintenance difficulty is high. The existing operation, maintenance, monitoring and management means are lack of intelligence and effectiveness, so that the distribution area, branch and household variable relation of the low-voltage distribution network is difficult to be accurately determined, and the network topology relation of the low-voltage distribution network cannot meet the requirements of real-time reporting of outage and restoration power, lean line loss analysis, fault location and the like.
The current main methods for identifying the topology of the low-voltage distribution transformer area comprise three methods based on a carrier communication technology, a low-voltage power frequency signal injection method and big data analysis. (1) Based on the power line carrier communication technology, the bidirectional transmission of carrier signals is realized through the concentrator and the collector to realize split-phase identification. (2) Voltage characteristic signals subjected to coding modulation based on a low-voltage power frequency signal injection method are monitored at each node in real time, and the characteristic signals are analyzed. (3) The power utilization information of the power distribution station user acquired by the power utilization information acquisition system is utilized, and the voltage data correlation analysis method is adopted, so that investment does not need to be increased, but the topological identification accuracy of the method needs to be improved, a high-efficiency active identification means is lacked, and the method has poor adaptability to special voltage distribution of other forms of power supplies, such as a distributed power supply access line.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that the topological structure's of distribution network problem can't in time be confirmed among the prior art, aim at provides a platform district topological structure monitoring devices, solves above-mentioned problem.
The utility model discloses a following technical scheme realizes:
a kind of topological structure monitoring device of the platform district, the topological structure monitoring device of the said platform district includes the topological structure monitoring circuit of the platform district;
the platform area topological structure monitoring circuit comprises a monitoring circuit and a monitoring information channel;
taking a switch in a power grid as a node, wherein the monitoring circuit is arranged at each node, and any two monitoring circuits are connected through a monitoring information channel;
the monitoring circuit is used for monitoring real-time position information and voltage information of each node; and the monitoring information channel is used for carrying out interaction of the real-time position information and the voltage information between the nodes.
Furthermore, the monitoring circuit comprises a zero voltage detection circuit, a control circuit, an IGBT drive circuit and a communication interface;
the communication interface is connected with the monitoring information channel, the zero voltage detection circuit is electrically connected with the live wire, the control circuit is electrically connected with the zero voltage detection circuit, and the IGBT drive circuit is connected with the live wire, the zero line and the control circuit.
Furthermore, the IGBT drive circuit comprises an input end, an output end and a control end, wherein the input end is connected with the live wire, the input end is connected with the zero line, and the output end is connected with the control circuit.
Furthermore, the zero voltage detection circuit is used for monitoring the zero crossing point of the voltage in real time, and can send out positive square waves and positive pulse signals at the zero crossing points of the positive half period and the negative half period of the voltage and the positive zero crossing points and the negative zero crossing points of the voltage.
Compared with the prior art, the utility model, following advantage and beneficial effect have:
the utility model relates to a platform district topological structure monitoring devices utilizes the state change of detection circuitry monitoring each node to obtain the topological structure between the different nodes of whole platform district according to the interaction of information change between different nodes.
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 a schematic view of the overall structure of the present invention;
fig. 2 is a schematic diagram of the monitoring circuit of the present invention.
Detailed Description
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 the following examples and drawings, and the exemplary embodiments and descriptions thereof of the present invention are only used for explaining the present invention, and are not intended as limitations of the present invention.
Example 1
As shown in fig. 1 and fig. 2, a platform area topological structure monitoring device includes a platform area topological structure monitoring circuit;
the platform area topological structure monitoring circuit comprises a monitoring circuit and a monitoring information channel;
taking a switch in a power grid as a node, wherein the monitoring circuit is arranged at each node, and any two monitoring circuits are connected through a monitoring information channel;
the monitoring circuit is used for monitoring real-time position information and voltage information of each node; and the monitoring information channel is used for carrying out interaction of the real-time position information and the voltage information between the nodes.
Furthermore, the monitoring circuit comprises a zero voltage detection circuit, a control circuit, an IGBT drive circuit and a communication interface;
the communication interface is connected with the monitoring information channel, the zero voltage detection circuit is electrically connected with the live wire, the control circuit is electrically connected with the zero voltage detection circuit, and the IGBT drive circuit is connected with the live wire, the zero line and the control circuit.
Furthermore, the IGBT drive circuit comprises an input end, an output end and a control end, wherein the input end is connected with the live wire, the input end is connected with the zero line, and the output end is connected with the control circuit.
Furthermore, the zero voltage detection circuit is used for monitoring the zero crossing point of the voltage in real time, and can send out positive square waves and positive pulse signals at the zero crossing points of the positive half period and the negative half period of the voltage and the positive zero crossing points and the negative zero crossing points of the voltage.
The above-mentioned embodiments, further detailed description of the objects, technical solutions and advantages of the present invention, it should be understood that the above description is only the embodiments of the present invention, and is not intended to limit the scope of the present invention, and any modifications, equivalent substitutions, improvements, etc. made within the spirit and principle of the present invention should be included in the scope of the present invention.
Claims (4)
1. A platform zone topological structure monitoring device is characterized by comprising a platform zone topological structure monitoring circuit;
the platform area topological structure monitoring circuit comprises a monitoring circuit and a monitoring information channel;
taking a switch in a power grid as a node, wherein the monitoring circuit is arranged at each node, and any two monitoring circuits are connected through a monitoring information channel;
the monitoring circuit is used for monitoring real-time position information and voltage information of each node; and the monitoring information channel is used for carrying out interaction of the real-time position information and the voltage information between the nodes.
2. The device for monitoring the topological structure of the transformer area according to claim 1, wherein the monitoring circuit comprises a zero voltage detection circuit, a control circuit, an IGBT driving circuit and a communication interface;
the communication interface is connected with the monitoring information channel, the zero voltage detection circuit is electrically connected with the live wire, the control circuit is electrically connected with the zero voltage detection circuit, and the IGBT drive circuit is connected with the live wire, the zero line and the control circuit.
3. The device according to claim 2, wherein the IGBT driver circuit comprises an input terminal, an output terminal, and a control terminal, the input terminal is connected to the live wire, the input terminal is connected to the neutral wire, and the output terminal is connected to the control circuit.
4. The device for monitoring topology of distribution room, according to claim 2, wherein said zero voltage detection circuit is used for real-time monitoring voltage zero crossing points, and can send out positive square wave and positive pulse signals at the voltage positive and negative half period zero crossing points and the voltage positive and negative zero crossing points.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021306648.9U CN212514769U (en) | 2020-07-06 | 2020-07-06 | Platform district topological structure monitoring devices |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021306648.9U CN212514769U (en) | 2020-07-06 | 2020-07-06 | Platform district topological structure monitoring devices |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212514769U true CN212514769U (en) | 2021-02-09 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202021306648.9U Active CN212514769U (en) | 2020-07-06 | 2020-07-06 | Platform district topological structure monitoring devices |
Country Status (1)
| Country | Link |
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| CN (1) | CN212514769U (en) |
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2020
- 2020-07-06 CN CN202021306648.9U patent/CN212514769U/en active Active
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