CN220509566U - Dynamic simulation demonstration platform for faults of distribution line - Google Patents
Dynamic simulation demonstration platform for faults of distribution line Download PDFInfo
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- CN220509566U CN220509566U CN202322179323.9U CN202322179323U CN220509566U CN 220509566 U CN220509566 U CN 220509566U CN 202322179323 U CN202322179323 U CN 202322179323U CN 220509566 U CN220509566 U CN 220509566U
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- 238000005094 computer simulation Methods 0.000 title claims abstract description 19
- 238000004088 simulation Methods 0.000 claims abstract description 40
- 230000009471 action Effects 0.000 claims abstract description 14
- 239000004973 liquid crystal related substance Substances 0.000 claims abstract description 7
- 238000004891 communication Methods 0.000 claims description 4
- 239000013307 optical fiber Substances 0.000 claims description 3
- 238000000034 method Methods 0.000 abstract description 9
- 230000008569 process Effects 0.000 abstract description 9
- 238000002955 isolation Methods 0.000 abstract description 5
- 238000011065 in-situ storage Methods 0.000 abstract description 4
- 238000011161 development Methods 0.000 abstract description 2
- 238000011160 research Methods 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 5
- 230000006978 adaptation Effects 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000001012 protector Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000011835 investigation Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000012216 screening Methods 0.000 description 1
- 230000011664 signaling Effects 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
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Abstract
The utility model provides a dynamic simulation demonstration platform for faults of a distribution line, which comprises an industrial personal computer, an operation panel, a power module, an industrial computer, a liquid crystal screen, a simulation switch and a relay protection instrument, wherein the operation panel, the power module, the industrial computer, the liquid crystal screen, the simulation switch and the relay protection instrument are electrically connected, and the industrial computer is electrically connected with a station terminal DTU and a feeder terminal FTU; the intelligent substation further comprises a simulation transformer substation, a simulation ring main unit, a simulation electric pole and a simulation load, wherein a plurality of simulation switches are arranged at the first section of the simulation transformer substation respectively, the station terminal DTU is arranged in each interval unit of the simulation ring main unit, and the feeder terminal FTU is arranged on the simulation electric pole. The utility model intuitively displays the normal state of the circuit, simulates the action process of the circuit switch after a fault point, and is convenient for research, development and application and demonstration of the live-action function. The dynamic demonstration platform is mainly used for simulating and analyzing concentrated and in-situ different faults. The platform can realize full-automatic or semi-automatic fault isolation and power restoration of non-fault areas, and provides reference for quick overhaul positioning.
Description
Technical Field
The utility model belongs to the technical field of power distribution, and particularly relates to a dynamic simulation demonstration platform for faults of a power distribution line.
Background
The distribution line belongs to an important part in the power system, and is mainly responsible for transmitting the step-down transformer of a transformer substation to a distribution transformer, and according to the dependence of the modern society on electric energy, the distribution line has deep and large-scale relation to the society. In general, the operation of the distribution line needs to keep stable, but the operation of the distribution line is inevitably failed based on the aspects of fluctuation of power, faults of facilities, manual errors and the like, and on the premise, the use of electric energy in a related range is affected, so that the safety problem may be caused. From this point of view, the operation of the distribution line is focused on safety maintenance measures in addition to the stable operation. For the overhaul of power distribution, the working experience of workers is mainly relied on, and the fault point position cannot be quickly and accurately positioned due to the fact that a certain analysis and investigation process is needed.
Disclosure of Invention
The utility model aims to solve the technical problem of providing a dynamic simulation demonstration platform for faults of a distribution line, which is designed based on a distribution terminal and interconnection and interworking and is used for simulating and analyzing concentrated and in-situ different faults, and fault simulation and action processes of different schemes can be realized by switching action fixed value parameters so as to provide reference for quick overhaul positioning.
In order to solve the technical problems, the embodiment of the utility model provides the following technical scheme: the utility model provides a distribution line trouble dynamic simulation demonstration platform, includes industrial computer, operating panel, power module, industrial computer, LCD screen, analog switch, relay protection appearance, station terminal DTU, feeder terminal FTU, industrial computer is connected with operating panel, power module, industrial computer, LCD screen, analog switch, relay protection appearance electricity, industrial computer is connected with station terminal DTU, feeder terminal FTU electricity;
the intelligent substation further comprises a simulation transformer substation, a simulation ring main unit, a simulation electric pole and a simulation load, wherein the simulation switches are multiple and are respectively arranged at the head section of the simulation transformer substation, the station terminal DTU is arranged in each interval unit of the simulation ring main unit, and the feeder terminal FTU is arranged on the simulation electric pole.
Preferably, the analog switch and the station terminal DTU are both used for analog splitting and combining actions.
Preferably, the industrial computer is connected with the station terminal DTU and the feeder terminal FTU through optical fiber communication.
Preferably, the operation panel comprises a key, a knob and a toggle switch.
Preferably, the analog switch is an ac relay or an ac contactor.
The technical scheme of the utility model has the following beneficial effects:
the distribution line fault dynamic simulation demonstration platform integrates a distribution terminal, a simulation switch, a relay protector, an industrial switch, an industrial computer, an operation panel and the like, intuitively displays the normal state of a line, simulates the action process of the line switch after a fault point, and is convenient for research, development and application and demonstration of a live-action function. The dynamic demonstration platform is mainly used for simulating and analyzing concentrated and in-situ different faults. The fault simulation and the action process of different schemes can be realized by switching action fixed value parameters. The platform can realize full-automatic or semi-automatic fault isolation and power restoration of non-fault areas, and provides reference for quick overhaul positioning.
Drawings
FIG. 1 is a schematic block diagram of a power distribution line fault dynamic simulation demonstration platform control system of the present utility model;
FIG. 2 is a schematic diagram of a dynamic simulation demonstration platform topology of a distribution line fault of the present utility model;
fig. 3 is a schematic diagram of a dynamic demonstration structure of a dynamic simulation demonstration platform for faults of a distribution line;
fig. 4 is a communication schematic diagram of a dynamic simulation demonstration platform for faults of a distribution line.
Detailed Description
In order to make the technical problems, technical solutions and advantages to be solved more apparent, the following detailed description will be given with reference to the accompanying drawings and specific embodiments.
As shown in FIG. 1, the dynamic simulation demonstration platform for the fault of the distribution line comprises an industrial personal computer 1, an operation panel 2, a power module 3, an industrial computer 4, a liquid crystal screen 5, a simulation switch 6, a relay protection instrument 7, a station terminal DTU8 and a feeder terminal FTU9, wherein the industrial personal computer 1 is electrically connected with the operation panel 2, the power module 3, the industrial computer 4, the liquid crystal screen 5, the simulation switch 6 and the relay protection instrument 7, and the industrial computer 4 is electrically connected with the station terminal DTU8 and the feeder terminal FTU 9;
as shown in fig. 2, the platform further includes a plurality of analog substations, an analog ring main unit, analog electric poles and analog loads, the analog switches 6 are respectively disposed at the first section of the analog substation, the station terminals DTU8 are disposed in each of the interval units of the analog ring main unit, and the feeder terminals FTU9 are disposed on the analog electric poles. Wherein the symbols in the drawings represent definitions: CB1, CB2 and CB3 represent the primary switch of the transformer substation;
# 1, # 2, # 3: representing a ring main unit; 601. 602, 603, 604, 605, 606 represent DTU spacing units in each ring main unit; the 80 rod, 80-1 rod, 81-1 rod, 82-1 rod, 82-2 rod, 82-3 rod represent the FTU end positions on the column; f1 to F12 represent a simulatable fault point.
As shown in fig. 3, the analog switch 6 and the station terminal DTU8 are used for analog splitting and combining actions. The layout of the operation panel is consistent with the system demonstration topological diagram, so that the line isolation fault can be dynamically displayed, and the action process of power supply in the non-fault area can be restored. The panel is provided with a switch position display, the green indicator lamp is in a split position, and the red indicator lamp is in a combined position; the switch is provided with an analog switch body switching-on and switching-off operation; short circuit and ground fault simulation with different fault points.
As shown in fig. 4, the industrial computer 4 is connected to the station terminal DTU8 and the feeder terminal FTU9 by optical fiber communication.
The operation panel 2 includes keys, knobs, and toggle switches. The analog switch 6 is an ac relay or an ac contactor.
The distribution line fault dynamic simulation demonstration platform provided by the utility model has the main functions that:
according to the distribution line topological graph, the rapid fault positioning, isolation and transfer power supply simulation are realized through the DTU/FTU.
The DTU/FTU is used for collecting information such as remote signaling, remote measurement and the like of the line switch, screening, sorting and processing the information according to the requirement of the simulation master station, and uploading the information to the master station and scheduling the information;
a remote control instruction is issued through a master station/an operation panel to control the switching action of the circuit switch; the operation panel can simulate the disconnection condition of the circuit electrical loop;
the mode switching of the circuits such as a cable 2-1 single ring network, an N standby mode and the like is supported, and the state process is displayed on the liquid crystal display and the LED operation panel; for example, in fig. 2, three substations and three corresponding power supply lines are provided, so that the mode switching of "2-supply 1-standby" can be realized, and only the opening and closing of the corresponding control points are required to be simulated.
In conclusion, the distribution line fault dynamic simulation demonstration platform integrates a distribution terminal, a simulation switch, a relay protector, an industrial switch, an industrial control computer, an operation panel and the like, visually displays the normal state of a line, simulates the action process of the line switch after a fault point, and is convenient to develop, apply and display the actual function. The dynamic demonstration platform is mainly used for simulating and analyzing concentrated and in-situ different faults. The fault simulation and the action process of different schemes can be realized by switching action fixed value parameters. The platform can realize full-automatic or semi-automatic fault isolation and power restoration of non-fault areas, and provides reference for quick overhaul positioning.
While the foregoing is directed to the preferred embodiments of the present utility model, it will be appreciated by those skilled in the art that various modifications and adaptations can be made without departing from the principles of the present utility model, and such modifications and adaptations are intended to be comprehended within the scope of the present utility model.
Claims (5)
1. The dynamic simulation demonstration platform for the faults of the distribution line is characterized by comprising an industrial personal computer, an operation panel, a power module, an industrial computer, a liquid crystal screen, a simulation switch, a relay protection instrument, a station terminal DTU and a feeder terminal FTU, wherein the industrial personal computer is electrically connected with the operation panel, the power module, the industrial computer, the liquid crystal screen, the simulation switch and the relay protection instrument, and the industrial computer is electrically connected with the station terminal DTU and the feeder terminal FTU;
the intelligent substation further comprises a simulation transformer substation, a simulation ring main unit, a simulation electric pole and a simulation load, wherein the simulation switches are multiple and are respectively arranged at the head section of the simulation transformer substation, the station terminal DTU is arranged in each interval unit of the simulation ring main unit, and the feeder terminal FTU is arranged on the simulation electric pole.
2. The dynamic simulation demonstration platform of power distribution line faults according to claim 1, wherein the simulation switch and the station terminal DTU are used for simulating split and combined actions.
3. The distribution line fault dynamic simulation demonstration platform of claim 1, wherein the industrial computer is connected with the station terminal DTU and the feeder terminal FTU through optical fiber communication.
4. The power distribution line fault dynamic simulation demonstration platform of claim 1, wherein the operation panel comprises a key, a knob, a toggle switch.
5. The power distribution line fault dynamic simulation demonstration platform of claim 1, wherein the simulation switch is an ac relay or an ac contactor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322179323.9U CN220509566U (en) | 2023-08-14 | 2023-08-14 | Dynamic simulation demonstration platform for faults of distribution line |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322179323.9U CN220509566U (en) | 2023-08-14 | 2023-08-14 | Dynamic simulation demonstration platform for faults of distribution line |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220509566U true CN220509566U (en) | 2024-02-20 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322179323.9U Active CN220509566U (en) | 2023-08-14 | 2023-08-14 | Dynamic simulation demonstration platform for faults of distribution line |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220509566U (en) |
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2023
- 2023-08-14 CN CN202322179323.9U patent/CN220509566U/en active Active
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