CN218332933U - Low-voltage distribution network troubleshooting simulation training device - Google Patents
Low-voltage distribution network troubleshooting simulation training device Download PDFInfo
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- CN218332933U CN218332933U CN202122853647.7U CN202122853647U CN218332933U CN 218332933 U CN218332933 U CN 218332933U CN 202122853647 U CN202122853647 U CN 202122853647U CN 218332933 U CN218332933 U CN 218332933U
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Abstract
The utility model discloses a net troubleshooting emulation training set is joined in marriage to low pressure, its technical scheme main points are: low pressure distribution network troubleshooting simulation training set, including the cabinet body, its characterized in that: a power supply unit, a protection unit, a metering unit, a fault simulator, a fault simulation control module and an Ethernet communication module are arranged inside the cabinet body, the fault simulator comprises a line fault simulation unit and an electric leakage fault simulation unit, an external computer is connected with the fault simulation control module through the Ethernet communication module, and the fault simulation control module is respectively connected with the power supply unit, the protection unit and each unit of the fault simulator; the power supply unit is used for simulating a power transformer to supply power to the whole distribution network under the power transformer; the low-voltage distribution network troubleshooting simulation training device can improve the field operation debugging and operation, maintenance and overhaul capabilities of distribution network related personnel.
Description
Technical Field
The utility model relates to an electric power emulation training set field, in particular to net troubleshooting emulation training set is joined in marriage to low pressure.
Background
In an electric power system, a low-voltage distribution network is the largest-scale and most-area-related part in the whole power grid, and plays an increasingly important role along with the gradual perfection and maturity of the construction of the low-voltage distribution network, so that good support is provided for the development of services such as marketing automatic meter reading accounting, marketing real-time cost control, measurement on-line monitoring, electricity stealing prevention, line loss of a synchronous transformer area and the like, and the low-voltage distribution network becomes the final embodiment of important indexes such as power supply capacity, electric energy quality, power supply reliability and the like of the electric power system.
On one hand, the method and the process for troubleshooting the distribution network are unknown and unfamiliar to field operators on the same line; with the active promotion of the low-voltage distribution network autonomous operation and maintenance coverage policy, the schedule is provided for the autonomous operation and maintenance of the low-voltage distribution network, and therefore higher requirements are provided for the service capability of front-line personnel. On the other hand, the fault problem becomes more complex and changeable, and the coverage range of the problems required to be faced by field operating personnel is wide. In reality, the field operators face hundreds of actual problems, even more complex.
Therefore, a low-voltage distribution network troubleshooting simulation training device is urgently needed, various common faults of a low-voltage distribution network site can be simulated for field operators to conduct troubleshooting exercises, and a troubleshooting method can be mastered more quickly.
SUMMERY OF THE UTILITY MODEL
To the problem mentioned in the background art, the utility model aims at providing a low pressure is joined in marriage net troubleshooting simulation training set to solve the problem mentioned in the background art.
The above technical purpose of the present invention can be achieved by the following technical solutions:
a low-voltage distribution network troubleshooting simulation training device comprises a cabinet body, wherein a power supply unit, a protection unit, a metering unit, a fault simulator, a fault simulation control module and an Ethernet communication module are arranged inside the cabinet body, the fault simulator comprises a line fault simulation unit and an electric leakage fault simulation unit, an external computer is connected with the fault simulation control module through the Ethernet communication module, and the fault simulation control module is respectively connected with the power supply unit, the protection unit and each unit of the fault simulator; the power supply unit is used for simulating a power transformer to supply power to the whole power distribution network under the power transformer; the protection unit is used for simulating a protection device of a distribution network bus and each branch line; the line fault simulation unit is used for simulating the disconnection fault of each section of overhead line of the distribution network; the electric leakage fault simulation unit is used for simulating various forms of electric leakage faults in the distribution network.
Preferably, the protection unit includes, but is not limited to, a bus main protection device, a branch three-phase protection device and a branch single-phase protection device; the branch three-phase protection device is used for power protection of a three-phase user; the single-phase protection device is used for protecting the power utilization of a single-phase user; the total protection device is used for protecting the power utilization of the whole power distribution network.
Preferably, the leakage fault simulation unit includes, but is not limited to, an overhead line leakage fault simulation unit, a three-phase user load leakage fault simulation unit, and a single-phase user load leakage fault simulation unit.
Preferably, the metering units include, but are not limited to, a total station metering device, a three-phase user metering box and a single-phase six-epitope metering box.
Preferably, the fault simulator comprises a short-circuit fault simulation module and a phase-fault simulation module.
Preferably, the fault simulation control module is connected to a parameter setting module and a zero-crossing time acquisition module.
Preferably, the fault simulation control module comprises a timing unit, and the timing unit is used for timing the operation of an operator.
Preferably, the fault simulator is connected with an alarm.
To sum up, the utility model discloses mainly have following beneficial effect:
the simulation training device for troubleshooting of the low-voltage distribution network can provide a practical training platform for professional training and work type examination and identification of low-voltage distribution network operation and maintenance related workers and similar professional post workers, provides more high-level low-voltage distribution network installation, test, acceptance, operation and maintenance skill talents for companies, and improves the field operation debugging and operation and maintenance overhauling capacity of the distribution network related workers.
Drawings
Fig. 1 is one of the schematic structural diagrams of the present invention;
FIG. 2 is a second schematic view of the present invention;
fig. 3 is a third schematic view of the present invention;
FIG. 4 is a schematic diagram of the apparatus of the present invention;
fig. 5 is a schematic diagram of the communication device of the present invention.
Reference numerals: 1. a cabinet body.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Example 1
Referring to fig. 1 to 5, a low-voltage distribution network troubleshooting simulation training device comprises a cabinet body 1, wherein a power supply unit, a protection unit, a metering unit, a fault simulator, a fault simulation control module and an ethernet communication module are arranged inside the cabinet body 1, the fault simulator comprises a line fault simulation unit and an electric leakage fault simulation unit, an external computer is connected with the fault simulation control module through the ethernet communication module, and the fault simulation control module is respectively connected with the power supply unit, the protection unit and each unit of the fault simulator; the power supply unit is used for simulating a power transformer to supply power to the whole power distribution network under the power transformer; the protection unit is used for simulating a protection device of a distribution network bus and each branch line; the line fault simulation unit is used for simulating the disconnection fault of each section of overhead line of the distribution network; the electric leakage fault simulation unit is used for simulating various forms of electric leakage faults in the distribution network.
The protection unit comprises a bus main protection device, a branch three-phase protection device and a branch single-phase protection device; the branch three-phase protection device is used for power protection of a three-phase user; the single-phase protection device is used for protecting the power utilization of a single-phase user; the total protection device is used for protecting the power utilization of the whole power distribution network.
The leakage fault simulation unit comprises but is not limited to an overhead line leakage fault simulation unit, a three-phase user load leakage fault simulation unit and a single-phase user load leakage fault simulation unit.
The metering units comprise but are not limited to a total metering device of a platform area, a three-phase user metering box and a single-phase six-epitope metering box.
The fault simulator comprises a short-circuit fault simulation module and a phase error fault simulation module.
The fault simulation control module is connected with a parameter setting module and a zero-crossing time acquisition module.
The fault simulation control module comprises a timing unit, and the timing unit is used for timing operation of an operator.
Wherein the fault simulator is connected with an alarm.
The simulation training device for troubleshooting of the low-voltage distribution network can provide a practical training platform for professional training and work type assessment and identification of low-voltage distribution network operation and maintenance related workers and similar professional shift workers, provides more high-level low-voltage distribution network installation, test, acceptance, operation and maintenance skill talents for companies, and improves the field operation debugging and operation and maintenance overhauling capacity of the distribution network related workers.
Example 2
As shown in fig. 1 to 5, a simulation training device for troubleshooting of a low-voltage distribution network divides the whole low-voltage distribution network system into three major parts, and fig. 1 shows that the low-voltage side outgoing line and metering parts of a power transformer are simulated, including but not limited to an isolation switch, a metering device, a total protector, a voltage and current display and a low-voltage overhead line. As shown in fig. 4, the partial fault simulator includes, but is not limited to, a main line fault simulation, a metering device metering loop fault simulation, and an overhead line leakage current fault simulation;
fig. 2 is a simulation of a typical three-phase user in a low voltage distribution network system including, but not limited to, wall cables, a three-phase metering box including, but not limited to, a residual current operated protector, a three-phase through-transformer meter, and an outgoing line breaker, and a three-phase user load. Referring to fig. 4, the part of the fault simulator includes, but is not limited to, fault simulation of an inlet and outlet line of a three-phase metering box, fault simulation of a metering loop of a three-phase metering device, and fault simulation of load and electric leakage;
fig. 3 is a simulation of a typical single-phase user in a low-voltage distribution network system including, but not limited to, wall cables, single-phase metering boxes including, but not limited to, residual current operated protectors, six single-phase meters, collectors, and outgoing line breakers, and a single-phase load. As shown in fig. 4, the part of fault simulation includes, but is not limited to, single-phase metering box inlet and outlet line fault simulation, meter-ahead metering fault simulation, load and leakage simulation;
FIG. 4 is an overall depiction of the type and location of faults involved in the apparatus of the present invention, with the "dot" in FIG. 4 representing the fault point of the line fault simulation; the connection between the switch and the resistor and the simulation ground is leakage fault simulation, and whether leakage current exists or not and the magnitude of the leakage current are simulated by controlling the magnitude of the switch and the resistor;
fig. 5 is a communication block diagram of the apparatus of the present invention, wherein the computer is connected to an ethernet communication control module via a network cable, and the ethernet communication control module is connected to a power supply, a protection unit, and a fault simulator, respectively. The power supply unit can change the output voltage thereof through the computer setting parameter; the protection unit can change the rated protection current, overvoltage, undervoltage and other thresholds through the computer setting and can carry out remote opening and closing operation and power utilization information parameter query; the fault simulator may perform various combined simulations of all the fault points shown in fig. 4 through the computer settings.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (8)
1. The utility model provides a net troubleshooting simulation training set is joined in marriage to low pressure, includes cabinet body (1), its characterized in that: a power supply unit, a protection unit, a metering unit, a fault simulator, a fault simulation control module and an Ethernet communication module are arranged in the cabinet body (1), the fault simulator comprises a line fault simulation unit and an electric leakage fault simulation unit, an external computer is connected with the fault simulation control module through the Ethernet communication module, and the fault simulation control module is respectively connected with the power supply unit, the protection unit and each unit of the fault simulator; the power supply unit is used for simulating a power transformer to supply power to the whole distribution network under the power transformer; the protection unit is used for simulating a protection device of a distribution network bus and each branch line; the line fault simulation unit is used for simulating the disconnection fault of each section of overhead line of the distribution network; the electric leakage fault simulation unit is used for simulating various forms of electric leakage faults in the distribution network.
2. The low-voltage distribution network troubleshooting simulation training set of claim 1 wherein: the protection unit comprises but is not limited to a bus main protection device, a branch three-phase protection device and a branch single-phase protection device; the branch three-phase protection device is used for power protection of a three-phase user; the single-phase protection device is used for protecting the power utilization of a single-phase user; the total protection device is used for protecting the power utilization of the whole power distribution network.
3. The low-voltage distribution network troubleshooting simulation training device of claim 1, characterized in that: the leakage fault simulation unit includes, but is not limited to, a leakage fault simulation unit of an overhead line, a leakage fault simulation unit of a three-phase user load, and a leakage fault simulation unit of a single-phase user load.
4. The low-voltage distribution network troubleshooting simulation training device of claim 1, characterized in that: the metering unit comprises but is not limited to a total metering device of a platform area, a three-phase user metering box and a single-phase six-epitope metering box.
5. The low-voltage distribution network troubleshooting simulation training device of claim 1, characterized in that: the fault simulator comprises a short-circuit fault simulation module and a phase error fault simulation module.
6. The low-voltage distribution network troubleshooting simulation training device of claim 1, characterized in that: the fault simulation control module is connected with a parameter setting module and a zero-crossing time acquisition module.
7. The low-voltage distribution network troubleshooting simulation training device of claim 1, characterized in that: the fault simulation control module comprises a timing unit, and the timing unit is used for timing the operation of an operator.
8. The low-voltage distribution network troubleshooting simulation training device of claim 1, characterized in that: the fault simulator is connected with an alarm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122853647.7U CN218332933U (en) | 2021-11-21 | 2021-11-21 | Low-voltage distribution network troubleshooting simulation training device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122853647.7U CN218332933U (en) | 2021-11-21 | 2021-11-21 | Low-voltage distribution network troubleshooting simulation training device |
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| Publication Number | Publication Date |
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| CN218332933U true CN218332933U (en) | 2023-01-17 |
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| CN202122853647.7U Active CN218332933U (en) | 2021-11-21 | 2021-11-21 | Low-voltage distribution network troubleshooting simulation training device |
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