CN117674387A - Method, system, terminal and medium for blocking spare power automatic switching based on overcurrent faults - Google Patents
Method, system, terminal and medium for blocking spare power automatic switching based on overcurrent faults Download PDFInfo
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- CN117674387A CN117674387A CN202311413980.3A CN202311413980A CN117674387A CN 117674387 A CN117674387 A CN 117674387A CN 202311413980 A CN202311413980 A CN 202311413980A CN 117674387 A CN117674387 A CN 117674387A
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- line switch
- overcurrent fault
- fault signal
- automatic switching
- outgoing line
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- 238000000034 method Methods 0.000 title claims abstract description 31
- 230000000903 blocking effect Effects 0.000 title claims description 28
- 238000012544 monitoring process Methods 0.000 claims description 12
- 238000004590 computer program Methods 0.000 claims description 6
- 238000002955 isolation Methods 0.000 claims description 6
- 230000009471 action Effects 0.000 claims description 3
- 238000012546 transfer Methods 0.000 abstract description 3
- 230000006870 function Effects 0.000 description 8
- 238000004891 communication Methods 0.000 description 5
- 230000008878 coupling Effects 0.000 description 3
- 238000010168 coupling process Methods 0.000 description 3
- 238000005859 coupling reaction Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 230000003287 optical effect Effects 0.000 description 3
- 238000012545 processing Methods 0.000 description 3
- 230000006872 improvement Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 238000006467 substitution reaction Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 235000008113 selfheal Nutrition 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
Classifications
-
- 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
- H02J9/00—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting
- H02J9/04—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source
- H02J9/06—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source with automatic change-over, e.g. UPS systems
- H02J9/062—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source with automatic change-over, e.g. UPS systems for AC powered loads
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H7/00—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions
- H02H7/22—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions for distribution gear, e.g. bus-bar systems; for switching devices
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- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Remote Monitoring And Control Of Power-Distribution Networks (AREA)
Abstract
The invention belongs to the technical field of automatic switching control, and particularly provides a method, a system, a terminal and a medium for locking automatic switching based on overcurrent faults, which comprise the following steps: the data terminal equipment in the switching station is used for collecting the overcurrent fault signals of the incoming line switch, the overcurrent fault signals of the outgoing line switch and the positions of the outgoing line switch, and carrying out logic judgment according to whether the incoming line has the overcurrent signals or not, so that whether the spare power automatic switching is blocked or not is determined in advance, the problem that the switching of the transfer supply line is tripped due to the fault switching of the spare power automatic switching is solved, the tripping times of the line are reduced, and the self-healing rate of the isolating switch is improved.
Description
Technical Field
The invention belongs to the technical field of automatic switching control, and particularly relates to a method, a system, a terminal and a medium for locking automatic switching based on overcurrent faults.
Background
The spare power automatic switching overcurrent locking of the current 10kV switching station only aims at protecting the main cabinet, and when the bus-tie switch is in a split state, the spare power automatic switching overcurrent locking does not act because protection current cannot be collected. At the moment, when faults occur between buses or downstream of the outgoing lines of the 10kV switching station, the protection of the outgoing lines is not jumped, the spare power automatic switching device acts to jump off the incoming line switch on the fault side, and the bus-bar switch is closed, so that the switching line is tripped at the fault point, the self-healing of the isolating switch fails, and the power supply reliability is reduced.
Disclosure of Invention
Aiming at the defects that in the prior art, when faults occur between buses or downstream of a 10kV switching station, the protection of an outgoing line switch is not jumped, a spare power automatic switching device acts, a fault side incoming line switch is jumped, a bus-bar switch is closed, and thus a transfer line is tripped at a fault point, an isolating switch fails to self-heal, and the reliability of power supply is reduced, the invention provides a spare power automatic switching method, system, terminal and medium based on overcurrent fault locking, and aims to solve the technical problems.
In a first aspect, the invention provides a method for blocking spare power automatic switching based on overcurrent faults, which comprises the following steps:
real-time monitoring is carried out on an incoming line switch and an outgoing line switch on a distribution line in the switching station;
judging whether an overcurrent fault signal exists on an incoming line switch and/or an outgoing line switch on a bus in a distribution line according to a monitoring result;
if the overcurrent fault signals exist on the incoming line switch and the overcurrent fault signals do not exist on the corresponding outgoing line switch, judging that the faults occur on a bus where the incoming line switch is located, and locking the spare power automatic switching device corresponding to the bus;
if no overcurrent fault signal exists on the incoming line switch, an overcurrent fault signal exists on the corresponding outgoing line switch, and tripping isolation is carried out on the outgoing line switch with the overcurrent fault signal, the spare power automatic switching device corresponding to the bus where the outgoing line switch with the overcurrent fault signal exists is blocked;
if an overcurrent fault signal exists on the incoming line switch and an overcurrent fault signal also exists on the corresponding outgoing line switch, judging the switching state of the outgoing line switch with the overcurrent fault signal after a preset time;
if the outlet switch with the overcurrent fault signal is in the split state, the spare power automatic switching device acts;
if the outlet switch with the overcurrent fault signal is in the on state, the spare power automatic switching device corresponding to the outlet switch is locked.
Further improvement of the technical scheme is that a data terminal device with the model of TAS-LTE-364 is adopted to monitor the incoming line switch and the outgoing line switch on the distribution line in the switching station in real time.
Further improvement of the technical scheme is that if an overcurrent fault signal exists on the incoming line switch, the upper switch of the incoming line where the incoming line switch is located trips.
The technical scheme is further improved, and the preset time is the action time of the automatic switching device.
According to the technical scheme, if the overcurrent fault signal exists on the outgoing line switch, the position information of the outgoing line switch is obtained, and the switching-on and switching-off state of the outgoing line switch with the overcurrent fault signal is further obtained at preset time according to the obtained position information.
In a second aspect, the present invention provides a system for blocking a backup power automatic switching based on an overcurrent fault, including:
the acquisition module is used for monitoring the incoming line switch and the outgoing line switch on the distribution line in the switching station in real time;
the judging module is used for judging whether an overcurrent fault signal exists on the incoming line switch and/or the outgoing line switch on the bus in the distribution line according to the monitoring result;
the execution module is used for judging that the fault occurs on a bus where the incoming line switch is located and locking the spare power automatic switching device corresponding to the bus when the overcurrent fault signals exist on the incoming line switch and the overcurrent fault signals do not exist on the corresponding outgoing line switch; the automatic switching device is used for blocking the spare power automatic switching device corresponding to the bus where the outgoing line switch with the overcurrent fault signal exists when the overcurrent fault signal does not exist on the incoming line switch, the corresponding outgoing line switch with the overcurrent fault signal exists on the outgoing line switch, and the outgoing line switch with the overcurrent fault signal has tripping isolation; the automatic switching device is used for controlling the spare power automatic switching device to act when an overcurrent fault signal exists on the incoming line switch and an overcurrent fault signal exists on the corresponding outgoing line switch and the outgoing line switch with the overcurrent fault signal is in a split state; the automatic switching device is used for blocking the spare power automatic switching device corresponding to the outgoing line switch when the outgoing line switch is in the on-state and the outgoing line switch with the overcurrent fault signal is in the off-state.
In a third aspect, a terminal is provided, including:
a processor, a memory, wherein,
the memory is used for storing a computer program,
the processor is configured to call and run the computer program from the memory, so that the terminal performs the method of the terminal as described above.
In a fourth aspect, there is provided a computer storage medium having instructions stored therein which, when run on a computer, cause the computer to perform the method of the above aspects.
The invention has the beneficial effects that the data terminal equipment (distribution automation terminal device) in the switching station is used for collecting the overcurrent fault signal of the incoming line switch, the overcurrent fault signal of the outgoing line switch and the position of the outgoing line switch, and logic judgment is carried out according to whether the incoming line has the overcurrent signal, so that whether the spare power automatic switching is locked is determined in advance, the problem of tripping of a transfer line caused by the fault switching of the spare power automatic switching is solved, the tripping times of the line are reduced, and the self-healing rate of the isolating switch is improved.
In addition, the invention has reliable design principle, simple structure and very wide application prospect.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings that are required to be used in the description of the embodiments or the prior art will be briefly described below, and it will be obvious to those skilled in the art that other drawings can be obtained from these drawings without inventive effort.
FIG. 1 is a schematic flow chart of a method of one embodiment of the invention.
FIG. 2 is a schematic block diagram of a system of one embodiment of the present invention.
Fig. 3 is a schematic structural diagram of a terminal according to an embodiment of the present invention.
200 is a system based on overcurrent fault locking standby power automatic switching, 210 is an acquisition module, 220 is a judgment module, and 230 is an execution module.
Detailed Description
In order to make the technical solution of the present invention better understood by those skilled in the art, the technical solution of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is apparent that the described embodiments are only some embodiments of the present invention, not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the present invention without making any inventive effort, shall fall within the scope of the present invention.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used herein in the description of the invention is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention.
The method based on the over-current fault blocking spare power automatic switching provided by the embodiment of the invention is executed by the computer equipment, and correspondingly, the system based on the over-current fault blocking spare power automatic switching is operated in the computer equipment.
FIG. 1 is a schematic flow chart of a method of one embodiment of the invention. The execution body of fig. 1 may be a system based on an overcurrent fault blocking backup power automatic switching. The order of the steps in the flow chart may be changed and some may be omitted according to different needs.
As shown in fig. 1, the method includes:
step 110, monitoring a wire inlet switch and a wire outlet switch on a distribution line in an switching station in real time;
step 120, judging whether an overcurrent fault signal exists on a wire inlet switch and/or a wire outlet switch on a bus in a distribution line according to a monitoring result; if the overcurrent fault signals exist on the incoming line switches and the overcurrent fault signals do not exist on the corresponding outgoing line switches, the step 130 is carried out; if no overcurrent fault signal exists on the incoming line switch, an overcurrent fault signal exists on the corresponding outgoing line switch, and tripping isolation is performed on the outgoing line switch with the overcurrent fault signal, the step 140 is performed; if an overcurrent fault signal exists on the incoming line switch, an overcurrent fault signal also exists on the corresponding outgoing line switch, and the outgoing line switch with the overcurrent fault signal is in a split state, the step 150 is shifted; if an overcurrent fault signal exists on the incoming line switch, an overcurrent fault signal also exists on the corresponding outgoing line switch, and the outgoing line switch with the overcurrent fault signal is in a closed state, the step 160 is shifted;
step 130, judging that a fault occurs on a bus where the incoming line switch is located, and locking a spare power automatic switching device corresponding to the bus;
step 140, locking a spare power automatic switching device corresponding to a bus where the overcurrent fault signal outlet switch is located;
step 150, controlling the spare power automatic switching device to act;
step 160, locking the spare power automatic switching device corresponding to the outlet switch.
In order to facilitate understanding of the invention, the method for blocking the spare power automatic switching based on the overcurrent fault is further described below by combining the process of blocking the spare power automatic switching device based on the overcurrent fault in the embodiment.
Specifically, the method for blocking the spare power automatic switching based on the overcurrent fault comprises the following steps:
in a first aspect, the invention provides a method for blocking spare power automatic switching based on overcurrent faults, which comprises the following steps:
further, a data terminal device with the model of TAS-LTE-364 is adopted to monitor the incoming line switch and the outgoing line switch on the distribution line in the switching station in real time.
Further, if an overcurrent fault signal exists on the incoming line switch, the upper-level switch of the incoming line where the incoming line switch is located trips.
Further, the preset time is the action time of the automatic switching device.
Further, if an overcurrent fault signal exists on the outgoing line switch, the position information of the outgoing line switch is obtained, and the switching state of the outgoing line switch with the overcurrent fault signal is further obtained at a preset time according to the obtained position information.
In some embodiments, the system 200 based on the over-current fault blocking standby power switch may include a plurality of functional modules composed of computer program segments. The computer program of each program segment in the system 200 for blocking the spare power automatic switching device based on the overcurrent fault may be stored in a memory of a computer device and executed by at least one processor to perform (see fig. 1 for details) a function of blocking the spare power automatic switching device based on the overcurrent fault.
In this embodiment, the system 200 based on the over-current fault blocking standby power switch may be divided into a plurality of functional modules according to the functions executed by the system, as shown in fig. 2. The functional module may include: the device comprises an acquisition module 210, a judging module 220 and an executing module 230. The module referred to in the present invention refers to a series of computer program segments capable of being executed by at least one processor and of performing a fixed function, stored in a memory. In the present embodiment, the functions of the respective modules will be described in detail in the following embodiments.
The acquisition module is used for monitoring the incoming line switch and the outgoing line switch on the distribution line in the switching station in real time; the judging module is used for judging whether an overcurrent fault signal exists on the incoming line switch and/or the outgoing line switch on the bus in the distribution line according to the monitoring result; the execution module is used for judging that the fault occurs on a bus where the incoming line switch is located and locking the spare power automatic switching device corresponding to the bus when the overcurrent fault signals exist on the incoming line switch and the overcurrent fault signals do not exist on the corresponding outgoing line switch; the automatic switching device is used for blocking the spare power automatic switching device corresponding to the bus where the outgoing line switch with the overcurrent fault signal exists when the overcurrent fault signal does not exist on the incoming line switch, the corresponding outgoing line switch with the overcurrent fault signal exists on the outgoing line switch, and the outgoing line switch with the overcurrent fault signal has tripping isolation; the automatic switching device is used for controlling the spare power automatic switching device to act when an overcurrent fault signal exists on the incoming line switch and an overcurrent fault signal exists on the corresponding outgoing line switch and the outgoing line switch with the overcurrent fault signal is in a split state; the automatic switching device is used for blocking the spare power automatic switching device corresponding to the outgoing line switch when the outgoing line switch is in the on-state and the outgoing line switch with the overcurrent fault signal is in the off-state.
Fig. 3 is a schematic structural diagram of a terminal 300 according to an embodiment of the present invention, where the terminal 300 may be used to execute the method for blocking the spare power automatic switching based on the overcurrent fault according to the embodiment of the present invention.
The terminal 300 may include: processor 310, memory 320, and communication module 330. The components may communicate via one or more buses, and it will be appreciated by those skilled in the art that the configuration of the server as shown in the drawings is not limiting of the invention, as it may be a bus-like structure, a star-like structure, or include more or fewer components than shown, or may be a combination of certain components or a different arrangement of components.
The memory 320 may be used to store instructions for execution by the processor 310, and the memory 320 may be implemented by any type of volatile or non-volatile memory terminal or combination thereof, such as Static Random Access Memory (SRAM), electrically erasable programmable read-only memory (EEPROM), erasable programmable read-only memory (EPROM), programmable read-only memory (PROM), read-only memory (ROM), magnetic memory, flash memory, magnetic disk, or optical disk. The execution of the instructions in memory 320, when executed by processor 310, enables terminal 300 to perform some or all of the steps in the method embodiments described below.
The processor 310 is a control center of the storage terminal, connects various parts of the entire electronic terminal using various interfaces and lines, and performs various functions of the electronic terminal and/or processes data by running or executing software programs and/or modules stored in the memory 320, and invoking data stored in the memory. The processor may be comprised of an integrated circuit (Integrated Circuit, simply referred to as an IC), for example, a single packaged IC, or may be comprised of a plurality of packaged ICs connected to the same function or different functions. For example, the processor 310 may include only a central processing unit (Central Processing Unit, simply CPU). In the embodiment of the invention, the CPU can be a single operation core or can comprise multiple operation cores.
And a communication module 330, configured to establish a communication channel, so that the storage terminal can communicate with other terminals. Receiving user data sent by other terminals or sending the user data to other terminals.
The present invention also provides a computer storage medium in which a program may be stored, which program may include some or all of the steps in the embodiments provided by the present invention when executed. The storage medium may be a magnetic disk, an optical disk, a read-only memory (ROM), a random-access memory (random acc e s s memory, RAM), or the like.
It will be apparent to those skilled in the art that the techniques of embodiments of the present invention may be implemented in software plus a necessary general purpose hardware platform. Based on such understanding, the technical solution in the embodiments of the present invention may be embodied essentially or in a part contributing to the prior art in the form of a software product stored in a storage medium such as a U-disc, a mobile hard disc, a Read-only Memory (ROM), a random access Memory (RAM, random Ac ce s s Memory), a magnetic disk or an optical disk, etc. various media capable of storing program codes, including several instructions for causing a computer terminal (which may be a personal computer, a server, or a second terminal, a network terminal, etc.) to execute all or part of the steps of the method described in the embodiments of the present invention.
The same or similar parts between the various embodiments in this specification are referred to each other. In particular, for the terminal embodiment, since it is substantially similar to the method embodiment, the description is relatively simple, and reference should be made to the description in the method embodiment for relevant points.
In the several embodiments provided by the present invention, it should be understood that the disclosed systems and methods may be implemented in other ways. For example, the system embodiments described above are merely illustrative, e.g., the division of the modules is merely a logical function division, and there may be additional divisions when actually implemented, e.g., multiple modules or components may be combined or integrated into another system, or some features may be omitted or not performed. Alternatively, the coupling or direct coupling or communication connection shown or discussed with respect to each other may be through some interface, indirect coupling or communication connection of systems or modules, electrical, mechanical, or other form.
The modules described as separate components may or may not be physically separate, and components shown as modules may or may not be physical modules, i.e., may be located in one place, or may be distributed over a plurality of network modules. Some or all of the modules may be selected according to actual needs to achieve the purpose of the solution of this embodiment.
In addition, each functional module in each embodiment of the present invention may be integrated into one processing module, or each module may exist alone physically, or two or more modules may be integrated into one module.
Although the present invention has been described in detail by way of preferred embodiments with reference to the accompanying drawings, the present invention is not limited thereto. Various equivalent modifications and substitutions may be made in the embodiments of the present invention by those skilled in the art without departing from the spirit and scope of the present invention, and it is intended that all such modifications and substitutions be within the scope of the present invention/be within the scope of the present invention as defined by the appended claims. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (8)
1. The method for blocking the spare power automatic switching based on the overcurrent fault is characterized by comprising the following steps of:
real-time monitoring is carried out on an incoming line switch and an outgoing line switch on a distribution line in the switching station;
judging whether an overcurrent fault signal exists on an incoming line switch and/or an outgoing line switch on a bus in a distribution line according to a monitoring result;
if the overcurrent fault signals exist on the incoming line switch and the overcurrent fault signals do not exist on the corresponding outgoing line switch, judging that the faults occur on a bus where the incoming line switch is located, and locking the spare power automatic switching device corresponding to the bus;
if no overcurrent fault signal exists on the incoming line switch, an overcurrent fault signal exists on the corresponding outgoing line switch, and tripping isolation is carried out on the outgoing line switch with the overcurrent fault signal, the spare power automatic switching device corresponding to the bus where the outgoing line switch with the overcurrent fault signal exists is blocked;
if an overcurrent fault signal exists on the incoming line switch and an overcurrent fault signal also exists on the corresponding outgoing line switch, judging the switching state of the outgoing line switch with the overcurrent fault signal after a preset time;
if the outlet switch with the overcurrent fault signal is in the split state, the spare power automatic switching device acts;
if the outlet switch with the overcurrent fault signal is in the on state, the spare power automatic switching device corresponding to the outlet switch is locked.
2. The method for blocking the spare power automatic switching based on the overcurrent fault according to claim 1, wherein the data terminal equipment with the model number of TAS-LTE-364 is adopted to monitor the incoming line switch and the outgoing line switch on the distribution line in the switching station in real time.
3. The method for blocking the spare power automatic switching based on the overcurrent fault according to claim 1, wherein if the overcurrent fault signal exists on the incoming line switch, an upper-level switch of an incoming line where the incoming line switch is located trips.
4. The method for blocking the automatic backup power switching device based on the overcurrent fault according to claim 1, wherein the preset time is an action time of the automatic backup power switching device.
5. The method for blocking the spare power automatic switching based on the overcurrent fault according to claim 1, wherein if the overcurrent fault signal exists on the outgoing line switch, the position information of the outgoing line switch is obtained, and the switching state of the outgoing line switch with the overcurrent fault signal is further obtained at a preset time according to the obtained position information.
6. The utility model provides a system based on overcurrent fault blocking spare power automatic switching which characterized in that includes:
the acquisition module is used for monitoring the incoming line switch and the outgoing line switch on the distribution line in the switching station in real time;
the judging module is used for judging whether an overcurrent fault signal exists on the incoming line switch and/or the outgoing line switch on the bus in the distribution line according to the monitoring result;
the execution module is used for judging that the fault occurs on a bus where the incoming line switch is located and locking the spare power automatic switching device corresponding to the bus when the overcurrent fault signals exist on the incoming line switch and the overcurrent fault signals do not exist on the corresponding outgoing line switch; the automatic switching device is used for blocking the spare power automatic switching device corresponding to the bus where the outgoing line switch with the overcurrent fault signal exists when the overcurrent fault signal does not exist on the incoming line switch, the corresponding outgoing line switch with the overcurrent fault signal exists on the outgoing line switch, and the outgoing line switch with the overcurrent fault signal has tripping isolation; the automatic switching device is used for controlling the spare power automatic switching device to act when an overcurrent fault signal exists on the incoming line switch and an overcurrent fault signal exists on the corresponding outgoing line switch and the outgoing line switch with the overcurrent fault signal is in a split state; the automatic switching device is used for blocking the spare power automatic switching device corresponding to the outgoing line switch when the outgoing line switch is in the on-state and the outgoing line switch with the overcurrent fault signal is in the off-state.
7. A terminal, comprising:
a processor;
a memory for storing execution instructions of the processor;
wherein the processor is configured to perform the method of any of claims 1-5.
8. A computer readable storage medium storing a computer program, which when executed by a processor implements the method of any one of claims 1-5.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311413980.3A CN117674387A (en) | 2023-10-27 | 2023-10-27 | Method, system, terminal and medium for blocking spare power automatic switching based on overcurrent faults |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311413980.3A CN117674387A (en) | 2023-10-27 | 2023-10-27 | Method, system, terminal and medium for blocking spare power automatic switching based on overcurrent faults |
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| Publication Number | Publication Date |
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| CN117674387A true CN117674387A (en) | 2024-03-08 |
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| CN202311413980.3A Pending CN117674387A (en) | 2023-10-27 | 2023-10-27 | Method, system, terminal and medium for blocking spare power automatic switching based on overcurrent faults |
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| Country | Link |
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| CN (1) | CN117674387A (en) |
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- 2023-10-27 CN CN202311413980.3A patent/CN117674387A/en active Pending
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