CN114123493A - Frequent trip judging instrument for 400V low-voltage switch - Google Patents
Frequent trip judging instrument for 400V low-voltage switch Download PDFInfo
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- CN114123493A CN114123493A CN202111318667.2A CN202111318667A CN114123493A CN 114123493 A CN114123493 A CN 114123493A CN 202111318667 A CN202111318667 A CN 202111318667A CN 114123493 A CN114123493 A CN 114123493A
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- 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
- H02J13/00—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network
- H02J13/00001—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network characterised by the display of information or by user interaction, e.g. supervisory control and data acquisition systems [SCADA] or graphical user interfaces [GUI]
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H1/00—Details of emergency protective circuit arrangements
- H02H1/0061—Details of emergency protective circuit arrangements concerning transmission of signals
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- 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
- H02H7/04—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 transformers
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- 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
- H02J13/00—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network
- H02J13/00002—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network characterised by monitoring
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- 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
- H02J13/00—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network
- H02J13/00032—Systems characterised by the controlled or operated power network elements or equipment, the power network elements or equipment not otherwise provided for
- H02J13/00036—Systems characterised by the controlled or operated power network elements or equipment, the power network elements or equipment not otherwise provided for the elements or equipment being or involving switches, relays or circuit breakers
- H02J13/0004—Systems characterised by the controlled or operated power network elements or equipment, the power network elements or equipment not otherwise provided for the elements or equipment being or involving switches, relays or circuit breakers involved in a protection system
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
- Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
- Y04S10/00—Systems supporting electrical power generation, transmission or distribution
- Y04S10/20—Systems supporting electrical power generation, transmission or distribution using protection elements, arrangements or systems
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Human Computer Interaction (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Remote Monitoring And Control Of Power-Distribution Networks (AREA)
Abstract
The invention discloses a frequent trip judging instrument for a 400V low-voltage switch, which relates to the technical field of distribution equipment.A current detection module is used for collecting the current of a transmission cable passing through a transformer, a voltage detection module is used for collecting the voltage of the transmission cable passing through the transformer, a signal processing module is used for conditioning the current and the voltage transmitted by the current detection module and the voltage detection module, and an MCU control module is used for carrying out load calculation according to the voltage and the current processed by the signal processing module; the display module displays the load data calculated by the MCU, and emergency repair workers judge whether to trip or not according to the voltage and current condition of the transformer low-voltage tripping instant displayed and recorded by the display module, so that emergency repair is carried out on the transformer, the defect that no equipment for analyzing and judging the tripping reason of the transformer low-voltage switch exists in the prior art is overcome, the current, voltage, load, waveform data and the like calculated by the load can be displayed through the display module, and subsequent tripping analysis and the like are facilitated.
Description
Technical Field
The invention belongs to the technical field of power distribution equipment, and particularly relates to a frequent trip judging instrument for a 400V low-voltage switch.
Background
At present, with the increasing of newly-increased residents in cities, the power consumption of the cities is increased continuously, and 400V low-voltage cable power supply of a community is popularized. But will often cause the transformer low-voltage switch to frequently trip for some reason (air switch problem, buried cable corrosion seriously causing short circuit breakdown, electrical overload, etc.). After the low-voltage switch trips, rush repair personnel repair the equipment problem to the field, but the condition still appears repeatedly, and the rush repair personnel can not judge what reason causes the low-voltage switch to trip. This causes frequent complaints from the users.
In order to solve the problem, frequent power failure and complaints of users are avoided, the labor and the workload of rush repair personnel are reduced, equipment capable of analyzing and judging the tripping reason of the transformer low-voltage switch is needed, and an instrument capable of analyzing and judging the tripping reason of the 400V low-voltage switch is needed because few products suitable for the equipment exist in the market at present.
Disclosure of Invention
The invention aims to provide a frequent trip judging instrument for a 400V low-voltage switch, thereby overcoming the defect that no equipment for analyzing and judging the trip reason of the transformer low-voltage switch exists in the prior art.
In order to achieve the above object, the present invention provides a frequent trip judging instrument for a 400V low-voltage switch, comprising:
the current detection module is used for collecting the current of a 400V low-voltage line passing through a 10kV transformer;
the voltage detection module is used for collecting the voltage of a 400V low-voltage line cable passing through a 10kV transformer;
the signal processing module is respectively and electrically connected with the current detection module and the voltage detection module and is used for conditioning the current and the voltage transmitted by the current detection module and the voltage detection module;
the MCU control module is electrically connected with the signal processing module and is used for carrying out load calculation according to the voltage and the current processed by the signal processing module; and
and the display module is electrically connected with the MCU control module and is used for displaying the load data obtained by the calculation of the MCU.
Preferably, the loaded calculation comprises: maximum, minimum and average values of the load.
Preferably, the method further comprises the following steps: and the 4G communication module is electrically connected with the MCU and is used for wirelessly transmitting the signal sent by the MCU control module.
Preferably, the method further comprises the following steps: and carrying out trip judgment according to the load data calculated by the MCU control module.
Preferably, the display module adopts a liquid crystal display screen.
Preferably, the voltage detection module adopts a hall sensor.
Preferably, the current detection module adopts a hall sensor.
Preferably, the MCU control module is connected with 220V voltage.
The frequent trip judging instrument for the 400V low-voltage switch can be applied to the outgoing line of the 400V low-voltage switch of the urban user transformer.
Compared with the prior art, the invention has the following beneficial effects:
1. the invention discloses a frequent trip judging instrument for a 400V low-voltage switch, which relates to the technical field of distribution equipment, can monitor the reason of the trip of the 400V low-voltage switch through the instrument, and guide the emergency repair and restoration of power by sending fault information; if the overload switch trips, the 400V low-voltage switch is insufficient in capacity, and the large-capacity switch needs to be replaced; if the switch trips in the rated capacity of the 400V low-voltage switch, the switch body is in failure, and the switch needs to be replaced. Meanwhile, the instrument can also monitor the load condition of a 400V low-voltage line and judge whether the transformer is overloaded or overloaded. The frequent tripping judging instrument for the 400V low-voltage switch acquires fault current and running current of a 400V low-voltage line passing through a 10kV transformer through a current detection module, the voltage detection module acquires voltage of the 400V low-voltage line passing through the 10kV transformer, a signal processing module conditions the current and the voltage transmitted by the current detection module and the voltage detection module, and an MCU control module performs load calculation according to the voltage and the current processed by the signal processing module; the display module displays the load data calculated by the MCU and guides emergency repair workers to judge the fault reason according to the voltage and current conditions of the 400V low-voltage switch trip instant of the transformer, which are displayed and recorded by the display module, so that emergency repair is carried out, and the defect that no equipment for analyzing and judging the trip reason of the low-voltage switch of the transformer exists is overcome.
2. The frequent trip judging instrument for the 400V low-voltage switch can enable a background or wireless receiving terminal to remotely monitor and analyze trip data through the 4G communication module.
Drawings
In order to more clearly illustrate the technical solution of the present invention, the drawings needed to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are only one embodiment of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on the drawings without creative efforts.
FIG. 1 is a schematic structural diagram of a frequent trip judging instrument of a 400V low-voltage switch of the invention;
FIG. 2 is a flow chart of current and voltage conditioning for one embodiment of the present invention;
FIG. 3 is a schematic structural diagram of one embodiment of the present invention;
the device comprises a current detection module, a current detection module and a control module, wherein 1 the current detection module; 2. a voltage detection module; 3. a signal processing module; 4. an MCU control module; 5. and a display module.
Detailed Description
The technical solutions in the present invention are clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
As shown in fig. 1, the frequent trip determiner for 400V low-voltage switch provided by the invention comprises: a current detection module, a voltage detection module, a signal processing module, an MCU control module and a display module,
the current detection module is used for collecting the current of a 400V low-voltage line passing through a 10kV transformer;
the voltage detection module is used for collecting the voltage of a 400V low-voltage line cable passing through a 10kV transformer;
the signal processing module is respectively and electrically connected with the current detection module and the voltage detection module and is used for conditioning the current and the voltage transmitted by the current detection module and the voltage detection module;
the MCU control module is electrically connected with the signal processing module and is used for carrying out load calculation according to the voltage and the current processed by the signal processing module;
and the display module is electrically connected with the MCU control module and is used for displaying the load data obtained by the calculation of the MCU.
According to the frequent tripping judging instrument for the 400V low-voltage switch, the frequent tripping judging instrument for the 400V low-voltage switch acquires fault current and running current of a 400V low-voltage line passing through a 10kV transformer through a current detection module, a voltage detection module acquires voltage of the 400V low-voltage line passing through the 10kV transformer, a signal processing module conditions the current and the voltage transmitted by the current detection module and the voltage detection module, and an MCU control module performs load calculation according to the voltage and the current processed by the signal processing module; and the display module displays the load data calculated by the MCU.
The instrument can monitor a signal of tripping of the 400V low-voltage switch, and can guide emergency repair and power restoration by sending fault information, once the 400V low-voltage switch trips, the voltage on the load side loses voltage, and the current change condition is monitored instantly when the voltage loses voltage, if the overcurrent switch trips, the situation that a circuit at the rear section of the 400V low-voltage switch has a short-circuit fault is indicated, and the circuit needs to be repaired; if the overload switch trips, the 400V low-voltage switch is insufficient in capacity, and the large-capacity switch needs to be replaced; if the switch trips in the rated capacity of the 400V low-voltage switch, the switch body is in failure, and the switch needs to be replaced. Meanwhile, the instrument can also monitor the load condition of a 400V low-voltage line and judge whether the transformer is overloaded or overloaded.
In one embodiment, the signal processing module conditions the current and voltage transmitted by the current detection module and the voltage detection module, specifically as shown in fig. 2, a hall sensor and a rogowski coil current sensor are respectively used for voltage and current sampling, and since the sampled three-phase voltage and three-phase current are alternating current signals, the signals from the voltage/current sensor are also positive and negative alternating current signals, and the amplitude of the signals is larger, but a single chip Microcomputer (MCU) control module cannot sample negative voltage and can only sample 0V to 3.3V. Therefore, the electric signal coming out of the sensor is firstly subjected to voltage reduction, then is lifted and conditioned to 0V-3.3V through the operational amplifier, and finally is input into the MCU control module.
The module carries out load calculation according to the voltage and the current processed by the signal processing module; the display module displays the load data obtained by the calculation of the MCU, and emergency repair workers judge whether to trip or not according to the voltage and current condition of the transformer at the moment of low-voltage tripping recorded by the display module, so that emergency repair is carried out on the transformer.
The frequent trip judging instrument for the 400V low-voltage switch provided by the invention can be applied to the outgoing line of the 400V low-voltage switch of the urban user transformer.
According to one embodiment, the 400V low-voltage switch frequent tripping judging instrument can check data such as three-phase voltage, three-phase current and load through a mobile phone client APP, the specific implementation function schematic diagram is shown in fig. 3, the multiple 400V low-voltage switch frequent tripping judging instruments can upload data to a unified Aliyun Internet of things platform, and the tripping monitoring platform software pulls the data to the special platform from the Aliyun Internet of things platform when uploading the data on the equipment and stores the data in a database of the special platform after recombining the data for standby. A plurality of mobile phone user clients APP can be connected to the trip monitoring platform software to check real-time and historical data. The historical data comprises trip time, three-phase current waveforms before and after tripping and the like.
In one embodiment, the loaded calculation includes: maximum, minimum, and average values of the load, etc.
Specifically, the load calculation method comprises the following steps:
Pc=Pa+Pb+Pc；Pa=Uab*Ia；Pb=Ubc*Ic；Pc=Uac*Ic
in the above formula, Pa is a-phase power, Pb is a B-phase power, Pc is a C-phase power, Uab is an AB-phase voltage, Ubc is a BC-phase voltage, Uac is an AC-phase voltage, Ia is an a-phase current, Ib is a B-phase current, and Ic is a C-phase current.
In one embodiment, the 400V low-voltage switch frequent trip judging instrument further comprises a 4G communication module, wherein the 4G communication module is electrically connected with the MCU and is used for wirelessly transmitting a signal sent by the MCU control module. The load data can be transmitted to a background in real time, and data are provided for background operators.
In one embodiment, the frequent trip determiner for 400V low-voltage switch further includes: and the MCU control module also judges tripping according to the load data calculated by the MCU control module.
Specifically, the trip judging method comprises the following steps: the device adopts a Hall sensor (voltage sensor) to sample three-phase voltages (AB phase voltage, BC phase voltage and CA phase voltage), and when the voltage values of the three-phase voltages of the circuit are simultaneously less than 50V, the device judges that the low-voltage switch of the transformer is tripped.
When tripping occurs, alarm information is sent out and displayed through the display module, the alarm information and the tripping information are sent to the background or wireless receiving end, workers at the background or wireless receiving end can rush-repair according to the alarm information, and analysis and the like are carried out according to data of the tripping information.
In one embodiment, the display module is a liquid crystal display.
In one embodiment, the display screen displays the voltage, current, load, and corresponding waveforms.
In one embodiment, the voltage detection module employs a hall sensor.
In one embodiment, the current detection module employs a hall sensor.
In one embodiment, the MCU control module is connected with 220V voltage.
In conclusion, the frequent trip judging instrument for the 400V low-voltage switch calculates the load according to the acquired voltage and current data, so that the maximum value, the minimum value, the average value and the like of the load are obtained and displayed, and emergency repair workers can better know the electricity utilization condition of each time period of a user, so that data are provided for the emergency repair workers to judge the trip reason.
It will be apparent to those skilled in the art that, for convenience and simplicity of description, the foregoing division of the functional modules is merely illustrated, and in practical applications, the above function distribution may be performed by different functional units and modules as needed, that is, the internal structure of the mobile terminal is divided into different functional units or modules to perform all or part of the above described functions. Each functional module in the embodiments may be integrated in one processing unit, or each unit may exist alone physically, or two or more units are integrated in one unit, and the integrated unit may be implemented in a form of hardware, or in a form of software functional unit. In addition, specific names of the functional modules are only used for distinguishing one functional module from another, and are not used for limiting the protection scope of the application. The specific working process of the module in the mobile terminal may refer to the corresponding process in the foregoing method embodiment, and is not described herein again.
In the above embodiments, the descriptions of the respective embodiments have respective emphasis, and reference may be made to the related descriptions of other embodiments for parts that are not described or illustrated in a certain embodiment.
Those of ordinary skill in the art will appreciate that the various illustrative elements and algorithm steps described in connection with the embodiments disclosed herein may be implemented as electronic hardware or combinations of computer software and electronic hardware. Whether such functionality is implemented as hardware or software depends upon the particular application and design constraints imposed on the implementation. Skilled artisans may implement the described functionality in varying ways for each particular application, but such implementation decisions should not be interpreted as causing a departure from the scope of the present invention.
The units described as separate parts may or may not be physically separate, and parts displayed as units may or may not be physical units, may be located in one place, or may be distributed on a plurality of network units. Some or all of the units can be selected according to actual needs to achieve the purpose of the solution of the embodiment.
In addition, functional units in the embodiments of the present invention may be integrated into one processing unit, or each unit may exist alone physically, or two or more units are integrated into one unit. The integrated unit can be realized in a form of hardware, and can also be realized in a form of a software functional unit.
The integrated modules/units, if implemented in the form of software functional units and sold or used as separate products, may be stored in a computer readable storage medium. Based on such understanding, all or part of the flow of the method according to the embodiments of the present invention may also be implemented by a computer program, which may be stored in a computer-readable storage medium, and when the computer program is executed by a processor, the steps of the method embodiments may be implemented. Wherein the computer program comprises computer program code, which may be in the form of source code, object code, an executable file or some intermediate form, etc. The computer-readable medium may include: any entity or device capable of carrying the computer program code, recording medium, usb disk, removable hard disk, magnetic disk, optical disk, computer Memory, Read-Only Memory (ROM), Random Access Memory (RAM), electrical carrier wave signals, telecommunications signals, software distribution medium, and the like. It should be noted that the computer readable medium may contain other components which may be suitably increased or decreased as required by legislation and patent practice in jurisdictions, for example, in some jurisdictions, computer readable media which may not include electrical carrier signals and telecommunications signals in accordance with legislation and patent practice.
The above disclosure is only for the specific embodiments of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can easily conceive of changes or modifications within the technical scope of the present invention, and shall be covered by the scope of the present invention.
Claims (9)
1.400V low voltage switch frequent trip judger, its characterized in that includes:
the current detection module is used for collecting the current of a 400V low-voltage line passing through a 10kV transformer;
the voltage detection module is used for collecting the voltage of a 400V low-voltage line cable passing through a 10kV transformer;
the signal processing module is respectively and electrically connected with the current detection module and the voltage detection module and is used for conditioning the current and the voltage transmitted by the current detection module and the voltage detection module;
the MCU control module is electrically connected with the signal processing module and is used for carrying out load calculation according to the voltage and the current processed by the signal processing module; and
and the display module is electrically connected with the MCU control module and is used for displaying the load data obtained by the calculation of the MCU.
2. The 400V low voltage switch frequent trip determiner of claim 1, wherein the load calculation includes: maximum, minimum and average values of the load.
3. The frequent trip determiner of a 400V low voltage switch as claimed in claim 1, further comprising: and the 4G communication module is electrically connected with the MCU and is used for wirelessly transmitting the signal sent by the MCU control module.
4. The frequent trip determiner of a 400V low voltage switch as claimed in claim 1, further comprising: and carrying out trip judgment according to the load data calculated by the MCU control module.
5. The apparatus for determining frequent tripping of 400V low-voltage switch according to claim 1, wherein the display module is a liquid crystal display.
6. The 400V low-voltage switch frequent trip judging instrument according to claim 1, wherein the voltage detection module adopts a Hall sensor.
7. The 400V low-voltage switch frequent trip judging instrument according to claim 1, wherein the current detection module adopts a Hall sensor.
8. The 400V low-voltage switch frequent trip judging instrument according to claim 1, wherein the MCU control module is connected with 220V voltage.
9. The 400V low-voltage switch frequent tripping judging instrument disclosed by claims 1 to 8 can be applied to outgoing lines of 400V low-voltage switches of urban user transformers.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111318667.2A CN114123493A (en) | 2021-11-09 | 2021-11-09 | Frequent trip judging instrument for 400V low-voltage switch |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202111318667.2A CN114123493A (en) | 2021-11-09 | 2021-11-09 | Frequent trip judging instrument for 400V low-voltage switch |
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| CN114123493A true CN114123493A (en) | 2022-03-01 |
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| CN202111318667.2A Pending CN114123493A (en) | 2021-11-09 | 2021-11-09 | Frequent trip judging instrument for 400V low-voltage switch |
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| CN110658451A (en) * | 2019-10-30 | 2020-01-07 | 宁波恒晨电力建设有限公司 | Transformer area low-voltage switch tripping monitoring system and method thereof |
| CN110967571A (en) * | 2018-09-28 | 2020-04-07 | 施耐德电器工业公司 | Method for diagnosing tripping reason of electrical protection equipment, auxiliary equipment and electrical system |
| CN112564287A (en) * | 2020-12-12 | 2021-03-26 | 国网新源控股有限公司回龙分公司 | Simple system for monitoring running state of power equipment |
| CN113241782A (en) * | 2021-06-24 | 2021-08-10 | 国网湖南省电力有限公司 | Low-voltage intelligent circuit breaker and control method and application thereof |
| CN113572159A (en) * | 2021-07-28 | 2021-10-29 | 深圳供电局有限公司 | Line trip accident handling system based on power grid regulation and control system knowledge reasoning |
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2021
- 2021-11-09 CN CN202111318667.2A patent/CN114123493A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101794496A (en) * | 2010-01-26 | 2010-08-04 | 苏州位置科技有限公司 | Tripping-preventing intelligent early warning system based on real time electrical parameter |
| CN203101540U (en) * | 2012-12-07 | 2013-07-31 | 上海市电力公司 | Portable load characteristic analyzer |
| CN110967571A (en) * | 2018-09-28 | 2020-04-07 | 施耐德电器工业公司 | Method for diagnosing tripping reason of electrical protection equipment, auxiliary equipment and electrical system |
| CN110658451A (en) * | 2019-10-30 | 2020-01-07 | 宁波恒晨电力建设有限公司 | Transformer area low-voltage switch tripping monitoring system and method thereof |
| CN112564287A (en) * | 2020-12-12 | 2021-03-26 | 国网新源控股有限公司回龙分公司 | Simple system for monitoring running state of power equipment |
| CN113241782A (en) * | 2021-06-24 | 2021-08-10 | 国网湖南省电力有限公司 | Low-voltage intelligent circuit breaker and control method and application thereof |
| CN113572159A (en) * | 2021-07-28 | 2021-10-29 | 深圳供电局有限公司 | Line trip accident handling system based on power grid regulation and control system knowledge reasoning |
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