CN114295969A - Online monitoring method, equipment and system for high-voltage circuit breaker and storage medium - Google Patents
Online monitoring method, equipment and system for high-voltage circuit breaker and storage medium Download PDFInfo
- Publication number
- CN114295969A CN114295969A CN202111447714.3A CN202111447714A CN114295969A CN 114295969 A CN114295969 A CN 114295969A CN 202111447714 A CN202111447714 A CN 202111447714A CN 114295969 A CN114295969 A CN 114295969A
- Authority
- CN
- China
- Prior art keywords
- circuit breaker
- voltage circuit
- current
- waveform data
- data
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Images
Abstract
The invention discloses an online monitoring method, equipment, a system and a storage medium of a high-voltage circuit breaker. Wherein, the method comprises the following steps: collecting a plurality of coil currents generated in the operation process of the high-voltage circuit breaker by adopting a plurality of current sensors, and generating current waveform data according to the corresponding relation between the plurality of coil currents and the change time; the method comprises the steps of preprocessing current waveform data by using a circuit breaker monitoring device and sending the preprocessed current waveform data, wherein the preprocessing comprises at least one of the following steps: normal data screening, interference data elimination, data transmission encryption and data classification and sorting; the current working state of the high-voltage circuit breaker is determined by adopting an online monitoring platform based on the preprocessed current waveform data, wherein the current working state at least comprises the following steps: mechanical property status. The invention solves the technical problems of low monitoring efficiency and high investment cost in the prior art of manually monitoring the high-voltage circuit breaker in an off-line state.
Description
Technical Field
The invention relates to the technical field of equipment monitoring, in particular to an online monitoring method, equipment, a system and a storage medium of a high-voltage circuit breaker.
Background
With the increasing demand of electricity and the increasing demand of users on the reliability of power supply of an electric power system, a large number of transformer substations are newly built and expanded every year, so that the number of maintained equipment is increased year by year, and the circuit breaker is used as important primary equipment in the electric power system, and the safe and reliable operation of the circuit breaker is particularly important.
The traditional high-voltage circuit breaker equipment overhaul and maintenance mode is that routine overhaul and maintenance work is carried out according to the specified period, and the overhaul mode mainly has two problems: firstly, need apply for when overhauing the maintenance to high voltage circuit breaker equipment and have a power failure, secondly the running state of the unable real-time tracking monitoring circuit breaker of periodic maintenance mode, especially the mechanical characteristic state of circuit breaker, there is the monitoring blind spot. In addition, along with the increase of the number of maintenance equipment, the requirement on power supply reliability is improved, the time of a power failure window is shortened, and great challenges are brought to overhaul and maintenance.
In view of the above problems, no effective solution has been proposed.
Disclosure of Invention
The embodiment of the invention provides an online monitoring method, equipment, a system and a storage medium of a high-voltage circuit breaker, which at least solve the technical problems of low monitoring efficiency and high investment cost caused by manual monitoring of the high-voltage circuit breaker in an offline state in the prior art.
According to an aspect of an embodiment of the present invention, there is provided an online monitoring system of a high voltage circuit breaker, the system including: the current sensors are connected with the high-voltage circuit breaker and used for acquiring a plurality of coil currents generated in the operation process of the high-voltage circuit breaker and generating current waveform data according to the corresponding relation between the plurality of coil currents and the change time; the circuit breaker monitoring device is connected with the current sensors and used for preprocessing the current waveform data and sending the preprocessed current waveform data, wherein the preprocessing comprises at least one of the following steps: normal data screening, interference data elimination, data transmission encryption and data classification and sorting; the online monitoring platform is connected with the circuit breaker monitoring device and used for determining the current working state of the high-voltage circuit breaker based on the preprocessed current waveform data, wherein the current working state at least comprises: mechanical property status.
Optionally, the plurality of current sensors are further configured to synchronously acquire a coil current generated by a coil core of the opening coil on the high-voltage circuit breaker in an operation process, and a coil current generated by a coil core of the closing coil on the high-voltage circuit breaker in the operation process.
Optionally, a plurality of the above current sensors are further configured to implement at least one of the following functions: the device has the functions of external interference resistance, overtemperature protection and multichannel synchronous current measurement.
Optionally, the online monitoring platform is further configured to perform comparison analysis according to pre-stored standard waveform data and the preprocessed current waveform data to obtain a comparison analysis result; and determining the mechanical characteristic state of the high-voltage circuit breaker based on the comparison analysis result.
Optionally, the online monitoring platform is further configured to output an alarm prompt message when the mechanical characteristic state is an abnormal characteristic state.
According to another aspect of the embodiments of the present invention, there is also provided an online monitoring method for a high voltage circuit breaker, the method including: collecting a plurality of coil currents generated in the operation process of the high-voltage circuit breaker by adopting a plurality of current sensors, and generating current waveform data according to the corresponding relation between the plurality of coil currents and the change time; the method comprises the following steps of preprocessing the current waveform data by using a circuit breaker monitoring device, and sending the preprocessed current waveform data, wherein the preprocessing comprises at least one of the following steps: normal data screening, interference data elimination, data transmission encryption and data classification and sorting; determining the current working state of the high-voltage circuit breaker by adopting an online monitoring platform based on the preprocessed current waveform data, wherein the current working state at least comprises the following steps: mechanical property status.
Optionally, the determining, by using the online monitoring platform, the current working state of the high-voltage circuit breaker based on the preprocessed current waveform data includes: comparing and analyzing the pre-stored standard waveform data and the preprocessed current waveform data by adopting the online monitoring platform to obtain a comparison and analysis result; and determining the mechanical characteristic state of the high-voltage circuit breaker by adopting the online monitoring platform based on the comparison analysis result.
According to another aspect of the embodiments of the present invention, there is also provided an online monitoring device for a high voltage circuit breaker, including: the acquisition module is used for acquiring a plurality of coil currents generated by the high-voltage circuit breaker in the operation process by adopting a plurality of current sensors and generating current waveform data according to the corresponding relation between the plurality of coil currents and the change time; the processing module is used for preprocessing the current waveform data by adopting a circuit breaker monitoring device and sending the preprocessed current waveform data, wherein the preprocessing comprises at least one of the following steps: normal data screening, interference data elimination, data transmission encryption and data classification and sorting; a determining module, configured to determine, by using an online monitoring platform, a current working state of the high-voltage circuit breaker based on the preprocessed current waveform data, where the current working state at least includes: mechanical property status.
According to another aspect of the embodiments of the present invention, there is also provided a non-volatile storage medium, wherein the non-volatile storage medium stores a plurality of instructions, and the instructions are suitable for being loaded by a processor and executing any one of the above online monitoring methods for a high-voltage circuit breaker.
According to another aspect of the embodiments of the present invention, there is also provided an electronic device, including a memory and a processor, where the memory stores a computer program, and the processor is configured to run the computer program to perform any one of the above online monitoring methods for a high voltage circuit breaker.
In the embodiment of the invention, a plurality of coil currents generated in the operation process of the high-voltage circuit breaker are collected by adopting a plurality of current sensors, and current waveform data are generated according to the corresponding relation between the plurality of coil currents and the change time; the method comprises the following steps of preprocessing the current waveform data by using a circuit breaker monitoring device, and sending the preprocessed current waveform data, wherein the preprocessing comprises at least one of the following steps: normal data screening, interference data elimination, data transmission encryption and data classification and sorting; determining the current working state of the high-voltage circuit breaker by adopting an online monitoring platform based on the preprocessed current waveform data, wherein the current working state at least comprises the following steps: the purpose of monitoring the current working state of the high-voltage circuit breaker in real time on line is achieved due to the mechanical characteristic state, the on-line monitoring frequency and the monitoring efficiency of the high-voltage circuit breaker are improved, the technical effect of monitoring cost is reduced, and the technical problems that the monitoring efficiency is low and the investment cost is high due to the fact that manual monitoring is carried out on the high-voltage circuit breaker in an off-line state in the prior art are solved.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the invention and together with the description serve to explain the invention without limiting the invention. In the drawings:
fig. 1 is a flow chart of an online monitoring method of a high voltage circuit breaker according to an embodiment of the present invention;
fig. 2 is a schematic structural diagram of an on-line monitoring system of a high-voltage circuit breaker according to an embodiment of the invention;
fig. 3 is a schematic structural diagram of an alternative on-line monitoring system for a high-voltage circuit breaker according to an embodiment of the invention;
fig. 4 is a schematic structural diagram of an online monitoring device of a high-voltage circuit breaker according to an embodiment of the invention.
Detailed Description
In order to make the technical solutions of the present invention better understood, the technical solutions in the embodiments of the present invention will be 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.
It should be noted that the terms "first," "second," and the like in the description and claims of the present invention and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used is interchangeable under appropriate circumstances such that the embodiments of the invention described herein are capable of operation in sequences other than those illustrated or described herein. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.
Example 1
In accordance with an embodiment of the present invention, there is provided a method embodiment of an online monitoring system for a high voltage circuit breaker, it is noted that the steps illustrated in the flowchart of the drawings may be performed in a computer system such as a set of computer executable instructions and that, although a logical order is illustrated in the flowchart, in some cases, the steps illustrated or described may be performed in an order different than here.
In the high-voltage circuit breaker overhauling and maintaining method in the prior art, a mode that an overhauling worker completes mechanical characteristic detection by using a high-voltage circuit breaker action characteristic instrument on site in an offline state, namely a power-off state, is high in detection difficulty, and a power grid is in an abnormal mode operation state in a power-off period, so that the operation reliability is greatly reduced; the circuit breaker equipment which does not exceed the overhaul period cannot track and monitor the mechanical characteristic state due to the existence of a monitoring blind spot; meanwhile, a large amount of manpower, material resources and financial resources are required to be consumed, and the economic benefit is not high.
Based on the above problem, an embodiment of the present invention provides an online monitoring method for a high voltage circuit breaker, and fig. 1 is a flowchart of an online monitoring method for a high voltage circuit breaker according to an embodiment of the present invention, as shown in fig. 1, the method includes the following steps:
step S102, collecting a plurality of coil currents generated in the operation process of the high-voltage circuit breaker by adopting a plurality of current sensors, and generating current waveform data according to the corresponding relation between the plurality of coil currents and the change time;
step S104, preprocessing the current waveform data by using a circuit breaker monitoring device, and sending the preprocessed current waveform data;
step S106, determining the current working state of the high-voltage circuit breaker by adopting an online monitoring platform based on the preprocessed current waveform data, wherein the current working state at least comprises the following steps: mechanical property status.
Optionally, the coil current is a switching-on/off coil current of the high-voltage circuit breaker.
Optionally, the pretreatment includes at least one of: normal data screening, interference data elimination, data transmission encryption and data classification and sorting.
Optionally, the current sensor may be but is not limited to an opening type current sensor, so as to achieve the purpose of convenient field installation and disassembly; the current sensors have the function of multi-channel synchronous current measurement, the number of channels is not less than 9, and the sampling rate of all sampling channels is not less than 20 k/s.
Optionally, the current working state at least includes: a mechanical property state, wherein the mechanical property state comprises: an open state or a closed state.
In the embodiment of the invention, a plurality of coil currents generated in the operation process of the high-voltage circuit breaker are collected by adopting a plurality of current sensors, and current waveform data are generated according to the corresponding relation between the plurality of coil currents and the change time; the method comprises the following steps of preprocessing the current waveform data by using a circuit breaker monitoring device, and sending the preprocessed current waveform data, wherein the preprocessing comprises at least one of the following steps: normal data screening, interference data elimination, data transmission encryption and data classification and sorting; determining the current working state of the high-voltage circuit breaker by adopting an online monitoring platform based on the preprocessed current waveform data, wherein the current working state at least comprises the following steps: the purpose of monitoring the current working state of the high-voltage circuit breaker in real time on line is achieved due to the mechanical characteristic state, the on-line monitoring frequency and the monitoring efficiency of the high-voltage circuit breaker are improved, the technical effect of monitoring cost is reduced, and the technical problems that the monitoring efficiency is low and the investment cost is high due to the fact that manual monitoring is carried out on the high-voltage circuit breaker in an off-line state in the prior art are solved.
Optionally, the current sensor is further configured to implement at least one of the following functions: the device has the functions of external interference resistance, overtemperature protection and multichannel synchronous current measurement.
Optionally, the current sensor is further configured to synchronously acquire a coil current generated by a coil core of an opening coil on the high-voltage circuit breaker in an operation process, and a coil current generated by a coil core of a closing coil on the high-voltage circuit breaker in the operation process.
In an optional embodiment, the determining, by using an online monitoring platform, the current operating state of the high-voltage circuit breaker based on the preprocessed current waveform data includes:
step S202, comparing and analyzing the pre-stored standard waveform data and the preprocessed current waveform data by using the online monitoring platform to obtain a comparison and analysis result;
and step S204, determining the mechanical characteristic state of the high-voltage circuit breaker by using the online monitoring platform based on the comparison analysis result.
Optionally, the preprocessed current waveform data may include, but is not limited to: the measured value and the time value of any position point in the current waveform of the coil (namely the opening and closing coil), the time difference value and the current difference value between any two points, and the like.
Optionally, the pre-stored standard waveform data may be stored in a coil current waveform database, wherein the coil current waveform database is used for storing standard waveforms of currents of opening and closing coils of circuit breakers of various types.
In the embodiment, the online monitoring platform is adopted to perform comparison analysis according to pre-stored standard waveform data and the preprocessed current waveform data to obtain a comparison analysis result; the mode that the online monitoring platform determines the mechanical characteristic state of the high-voltage circuit breaker based on the comparison analysis result achieves the purposes of improving the online monitoring precision and monitoring efficiency of the high-voltage circuit breaker and improving the operation reliability of a power grid.
It should be noted that, for simplicity of description, the above-mentioned method embodiments are described as a series of acts or combination of acts, but those skilled in the art will recognize that the present invention is not limited by the order of acts, as some steps may occur in other orders or concurrently in accordance with the invention. Further, those skilled in the art should also appreciate that the embodiments described in the specification are preferred embodiments and that the acts and modules referred to are not necessarily required by the invention.
Through the above description of the embodiments, those skilled in the art can clearly understand that the method according to the above embodiments can be implemented by software plus a necessary general hardware platform, and certainly can also be implemented by hardware, but the former is a better implementation mode in many cases. Based on such understanding, the technical solutions of the present invention may be embodied in the form of a software product, which is stored in a storage medium (e.g., ROM/RAM, magnetic disk, optical disk) and includes instructions for enabling a terminal device (e.g., a mobile phone, a computer, a server, or a network device) to execute the method according to the embodiments of the present invention.
Example 2
According to an embodiment of the present invention, there is also provided a system embodiment for implementing the online monitoring method of the high-voltage circuit breaker, fig. 2 is a schematic structural diagram of an online monitoring system of a high-voltage circuit breaker according to an embodiment of the present invention, and as shown in fig. 2, the online monitoring system of a high-voltage circuit breaker includes: a plurality of current sensors 300, a circuit breaker monitoring device 302, an online monitoring platform 304, wherein:
the plurality of current sensors 300 are connected to the high voltage circuit breaker, and are configured to collect a plurality of coil currents generated by the high voltage circuit breaker during operation, and generate current waveform data according to a correspondence between the plurality of coil currents and a change time;
the circuit breaker monitoring apparatus 302 is connected to the plurality of current sensors, and configured to preprocess the current waveform data and send the preprocessed current waveform data;
the online monitoring platform 304 is connected to the circuit breaker monitoring device, and is configured to determine a current working state of the high-voltage circuit breaker based on the preprocessed current waveform data.
Optionally, the coil current is a switching-on/off coil current of the high-voltage circuit breaker.
Optionally, the pretreatment includes at least one of: normal data screening, interference data elimination, data transmission encryption and data classification and sorting.
Alternatively, the current sensor may be, but is not limited to, an open-ended current sensor for ease of field installation and removal.
Optionally, the plurality of current sensors have a function of measuring current synchronously through multiple channels, the number of the channels is not less than 9, and the sampling rate of all sampling channels is not less than 20 k/s.
Optionally, the current working state at least includes: a mechanical property state, wherein the mechanical property state comprises: an open state or a closed state.
In the embodiment of the present invention, the plurality of current sensors 300 are connected to the high voltage circuit breaker, and are configured to collect a plurality of coil currents generated by the high voltage circuit breaker during operation, and generate current waveform data according to a corresponding relationship between the plurality of coil currents and a change time; the circuit breaker monitoring apparatus 302 is connected to the plurality of current sensors, and configured to preprocess the current waveform data and send the preprocessed current waveform data; the online monitoring platform 304 is connected with the circuit breaker monitoring device, and is used for determining the current working state of the high-voltage circuit breaker based on the preprocessed current waveform data, so that the purpose of monitoring the current working state of the high-voltage circuit breaker in real time online is achieved, the online monitoring frequency and the monitoring efficiency of the high-voltage circuit breaker are improved, the technical effect of monitoring cost is reduced, and the technical problems that in the prior art, manual monitoring is carried out on the high-voltage circuit breaker in an offline state, the monitoring efficiency is low, and the investment cost is high are solved.
Optionally, the plurality of current sensors 300 are further configured to synchronously acquire a coil current generated by a coil core of the opening coil on the high-voltage circuit breaker in an operation process, and a coil current generated by a coil core of the closing coil on the high-voltage circuit breaker in the operation process.
Optionally, a plurality of the current sensors 300 are further configured to implement at least one of the following functions: the device has the functions of external interference resistance, overtemperature protection and multichannel synchronous current measurement.
Optionally, the online monitoring platform is further configured to output an alarm prompt message when the mechanical characteristic state is an abnormal characteristic state.
In an optional embodiment, the online monitoring platform 304 is further configured to perform comparison analysis according to pre-stored standard waveform data and the pre-processed current waveform data to obtain a comparison analysis result; and determining the mechanical characteristic state of the high-voltage circuit breaker based on the comparison analysis result.
Optionally, the preprocessed current waveform data may include, but is not limited to: the measured value and the time value of any position point in the current waveform of the coil (namely the opening and closing coil), the time difference value and the current difference value between any two points, and the like.
Optionally, the pre-stored standard waveform data may be stored in a coil current waveform database, wherein the coil current waveform database is used for storing standard waveforms of currents of switching-on and switching-off coils of circuit breakers of various types.
In an alternative embodiment, fig. 3 is a schematic structural diagram of an alternative online monitoring system of a high-voltage circuit breaker according to an embodiment of the present invention, and as shown in fig. 3, the online monitoring system of the high-voltage circuit breaker includes: data acquisition module, data collection processing module and data storage analysis module, wherein:
the data acquisition module may be, but not limited to, a plurality of current sensors, and is configured to acquire a plurality of coil currents generated by the high-voltage circuit breaker during operation, and generate current waveform data according to a corresponding relationship between the plurality of coil currents and a change time, where the data acquisition module has an anti-external interference capability, such as hardware filtering and digital filtering of a detection signal; the current sensor of the data acquisition module is suitable for an opening form, so that the on-site installation and disassembly are facilitated, the data acquisition module has a multi-channel synchronous current measurement function, the number of channels is not less than 9, and the sampling rate of all sampling channels is not less than 20 k/s.
The data collection processing module can be but not limited to a circuit breaker detection device, is connected with the data acquisition module, and is used for preprocessing the current waveform data and sending the preprocessed current waveform data, wherein the data collection processing module has a wireless transmission function, an external wireless interference resistance, a data screening function, an interference data eliminating function, a data transmission encryption function and a data classification and arrangement function.
The data storage and analysis module can be but not limited to an online monitoring platform, is connected with the data collection and processing module, and is used for determining the current working state of the high-voltage circuit breaker based on the preprocessed current waveform data, wherein the data storage and analysis module can measure the current of the opening and closing coil, record and display the preprocessed current waveform, compare and analyze the preprocessed current waveform with a pre-stored standard waveform, and has a function of comparing and analyzing the measured data of different channels (namely different current sensors) when the opening and closing coil is electrified, and also supports color modification of the current waveform; in addition, the data storage and analysis module also has the function of contrastively analyzing coil data of the same type (namely, the coil data are both opening coils or both closing coils), and has the functions of displaying the opening and closing states of the circuit breaker, indicating the running state and warning the abnormal data according to the analysis result; the data storage and analysis module is also provided with a coil current waveform database for storing and/or deriving standard waveforms of the currents of the opening and closing coils of the circuit breakers of various types.
The embodiment of the invention can at least realize the following technical effects: the maintenance efficiency of the high-voltage circuit breaker is improved, the maintenance cost is reduced, the functions of online data monitoring, online analysis and online abnormity alarming are realized, and the running state of the circuit breaker is evaluated in time; the circuit breaker opening and closing coil current waveform fingerprint database of various models is established, subsequent current waveform calling, comparison and analysis are facilitated, and data support is provided for formulating a circuit breaker maintenance strategy which is more accurate, more professional and more accordant with running state judgment.
In this embodiment, the online monitoring platform 304 is used to perform comparison analysis according to the pre-stored standard waveform data and the pre-processed current waveform data to obtain a comparison analysis result; the mode that the online monitoring platform determines the mechanical characteristic state of the high-voltage circuit breaker based on the comparison analysis result achieves the purposes of improving the online monitoring precision and monitoring efficiency of the high-voltage circuit breaker and improving the operation reliability of a power grid.
It should be noted that the specific structures of the plurality of current sensors 300, the circuit breaker monitoring device 302, and the online monitoring platform 304 shown in fig. 2 to 3 in this application are merely schematic, and the online monitoring system of the high-voltage circuit breaker in this application may have more or less structures than the plurality of current sensors 300, the circuit breaker monitoring device 302, and the online monitoring platform 304 shown in fig. 2 to 3 in a specific application.
It should be noted that any optional or preferred online monitoring method for the high-voltage circuit breaker in embodiment 1 above may be implemented or realized in the plurality of current sensors 300, the circuit breaker monitoring apparatus 302, and the online monitoring platform 304 provided in this embodiment.
In addition, it should be noted that, for alternative or preferred embodiments of the present embodiment, reference may be made to the relevant description in embodiment 1, and details are not described herein again.
Example 3
According to an embodiment of the present invention, an embodiment of an apparatus for implementing the online monitoring method of the high voltage circuit breaker is further provided, fig. 4 is a schematic structural diagram of the online monitoring apparatus of the high voltage circuit breaker according to the embodiment of the present invention, and as shown in fig. 4, the online monitoring apparatus of the high voltage circuit breaker includes: an acquisition module 400, a processing module 402, and a determination module 404, wherein:
the collecting module 400 is configured to collect a plurality of coil currents generated by the high-voltage circuit breaker during operation by using a plurality of current sensors, and generate current waveform data according to a correspondence between the plurality of coil currents and a change time;
the processing module 402 is configured to perform preprocessing on the current waveform data by using a circuit breaker monitoring device, and send the preprocessed current waveform data, where the preprocessing includes at least one of the following: normal data screening, interference data elimination, data transmission encryption and data classification and sorting;
the determining module 404 is configured to determine, by using an online monitoring platform, a current working state of the high-voltage circuit breaker based on the preprocessed current waveform data, where the current working state at least includes: mechanical property status.
It should be noted that the above modules may be implemented by software or hardware, for example, for the latter, the following may be implemented: the modules can be located in the same processor; alternatively, the modules may be located in different processors in any combination.
It should be noted here that the above-mentioned acquisition module 400, processing module 402, and determination module 404 correspond to steps S102 to S106 in embodiment 1, and the above-mentioned modules are the same as the examples and application scenarios realized by the corresponding steps, but are not limited to the disclosure of embodiment 1. It should be noted that the modules described above may be implemented in a computer terminal as part of an apparatus.
It should be noted that, reference may be made to the relevant description in embodiment 1 for alternative or preferred embodiments of this embodiment, and details are not described here again.
The above online monitoring device for the high-voltage circuit breaker may further include a processor and a memory, where the acquisition module 400, the processing module 402, the determination module 404, and the like are stored in the memory as program units, and the processor executes the program units stored in the memory to implement corresponding functions.
The processor comprises a kernel, and the kernel calls a corresponding program unit from the memory, wherein one or more than one kernel can be arranged. The memory may include volatile memory in a computer readable medium, Random Access Memory (RAM) and/or nonvolatile memory such as Read Only Memory (ROM) or flash memory (flash RAM), and the memory includes at least one memory chip.
According to an embodiment of the present application, there is also provided an embodiment of a non-volatile storage medium. Optionally, in this embodiment, the nonvolatile storage medium includes a stored program, and when the program runs, the device where the nonvolatile storage medium is located is controlled to execute the any one of the above online monitoring methods for the high-voltage circuit breaker.
Optionally, in this embodiment, the nonvolatile storage medium may be located in any one of a group of computer terminals in a computer network, or in any one of a group of mobile terminals, and the nonvolatile storage medium includes a stored program.
Optionally, the apparatus in which the non-volatile storage medium is controlled to perform the following functions when the program is executed: collecting a plurality of coil currents generated in the operation process of the high-voltage circuit breaker by adopting a plurality of current sensors, and generating current waveform data according to the corresponding relation between the plurality of coil currents and the change time; the method comprises the following steps of preprocessing the current waveform data by using a circuit breaker monitoring device, and sending the preprocessed current waveform data, wherein the preprocessing comprises at least one of the following steps: normal data screening, interference data elimination, data transmission encryption and data classification and sorting; determining the current working state of the high-voltage circuit breaker by adopting an online monitoring platform based on the preprocessed current waveform data, wherein the current working state at least comprises the following steps: mechanical property status.
Optionally, the apparatus in which the non-volatile storage medium is controlled to perform the following functions when the program is executed: comparing and analyzing the pre-stored standard waveform data and the preprocessed current waveform data by adopting the online monitoring platform to obtain a comparison and analysis result; and determining the mechanical characteristic state of the high-voltage circuit breaker by adopting the online monitoring platform based on the comparison analysis result.
According to an embodiment of the present application, there is also provided an embodiment of a processor. Optionally, in this embodiment, the processor is configured to run a program, where the program is run to execute any one of the above online monitoring methods for the high voltage circuit breaker.
According to an embodiment of the present application, there is also provided an embodiment of a computer program product, which, when being executed on a data processing device, is adapted to execute a program initializing the steps of the online monitoring method of a high voltage circuit breaker having any of the above-mentioned.
Optionally, the computer program product described above, when being executed on a data processing device, is adapted to perform a procedure for initializing the following method steps: collecting a plurality of coil currents generated in the operation process of the high-voltage circuit breaker by adopting a plurality of current sensors, and generating current waveform data according to the corresponding relation between the plurality of coil currents and the change time; the method comprises the following steps of preprocessing the current waveform data by using a circuit breaker monitoring device, and sending the preprocessed current waveform data, wherein the preprocessing comprises at least one of the following steps: normal data screening, interference data elimination, data transmission encryption and data classification and sorting; determining the current working state of the high-voltage circuit breaker by adopting an online monitoring platform based on the preprocessed current waveform data, wherein the current working state at least comprises the following steps: mechanical property status.
Optionally, the computer program product described above, when being executed on a data processing device, is adapted to perform a procedure for initializing the following method steps: comparing and analyzing the pre-stored standard waveform data and the preprocessed current waveform data by adopting the online monitoring platform to obtain a comparison and analysis result; and determining the mechanical characteristic state of the high-voltage circuit breaker by adopting the online monitoring platform based on the comparison analysis result.
According to an embodiment of the present application, there is also provided an embodiment of an electronic device, including a memory and a processor, where the memory stores a computer program, and the processor is configured to run the computer program to execute any one of the above-mentioned online monitoring methods for a high-voltage circuit breaker.
The above-mentioned serial numbers of the embodiments of the present invention are merely for description and do not represent the merits of the embodiments.
In the above embodiments of the present invention, the descriptions of the respective embodiments have respective emphasis, and for parts that are not described in detail in a certain embodiment, reference may be made to related descriptions of other embodiments.
In the embodiments provided in the present application, it should be understood that the disclosed technology can be implemented in other ways. The above-described embodiments of the apparatus are merely illustrative, and for example, the division of the units may be a logical division, and in actual implementation, there may be another division, for example, multiple units or components may be combined or integrated into another system, or some features may be omitted, or not executed. In addition, the shown or discussed mutual coupling or direct coupling or communication connection may be an indirect coupling or communication connection through some interfaces, units or modules, and may be in an electrical or other form.
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 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 unit, if implemented in the form of a software functional unit and sold or used as a stand-alone product, may be stored in a computer readable non-volatile storage medium. Based on such understanding, the technical solution of the present invention may be embodied in the form of a software product, which is stored in a non-volatile storage medium and includes instructions for causing a computer device (which may be a personal computer, a server, or a network device) to perform all or part of the steps of the method according to the embodiments of the present invention. And the aforementioned nonvolatile storage medium includes: a U-disk, a Read-Only Memory (ROM), a Random Access Memory (RAM), a removable hard disk, a magnetic or optical disk, and other various media capable of storing program codes.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.
Claims (10)
1. An on-line monitoring system for a high voltage circuit breaker, the system comprising:
the current sensors are connected with the high-voltage circuit breaker and used for acquiring a plurality of coil currents generated in the operation process of the high-voltage circuit breaker and generating current waveform data according to the corresponding relation between the plurality of coil currents and the change time;
the circuit breaker monitoring device is connected with the current sensors and used for preprocessing the current waveform data and sending the preprocessed current waveform data, wherein the preprocessing comprises at least one of the following steps: normal data screening, interference data elimination, data transmission encryption and data classification and sorting;
the online monitoring platform is connected with the circuit breaker monitoring device and used for determining the current working state of the high-voltage circuit breaker based on the preprocessed current waveform data, wherein the current working state at least comprises: mechanical property status.
2. The system of claim 1,
the plurality of current sensors are also used for synchronously acquiring coil current generated by a coil iron core of a switching-off coil on the high-voltage circuit breaker in the operation process and coil current generated by a switching-on coil iron core on the high-voltage circuit breaker in the operation process.
3. The system of claim 1,
a plurality of said current sensors, further for performing at least one of the following functions: the device has the functions of external interference resistance, overtemperature protection and multichannel synchronous current measurement.
4. The system of claim 1,
the online monitoring platform is also used for carrying out comparison analysis according to pre-stored standard waveform data and the preprocessed current waveform data to obtain a comparison analysis result; and determining the mechanical characteristic state of the high-voltage circuit breaker based on the comparison analysis result.
5. The system of claim 1,
and the online monitoring platform is also used for outputting alarm prompt information when the mechanical characteristic state is an abnormal characteristic state.
6. An on-line monitoring method of a high-voltage circuit breaker, characterized in that the method comprises:
the method comprises the steps that a plurality of current sensors are adopted to collect a plurality of coil currents generated in the operation process of the high-voltage circuit breaker, and current waveform data are generated according to the corresponding relation between the plurality of coil currents and the change time;
the method comprises the steps of preprocessing the current waveform data by using a circuit breaker monitoring device and sending the preprocessed current waveform data, wherein the preprocessing comprises at least one of the following steps: normal data screening, interference data elimination, data transmission encryption and data classification and sorting;
determining the current working state of the high-voltage circuit breaker by adopting an online monitoring platform based on the preprocessed current waveform data, wherein the current working state at least comprises the following steps: mechanical property status.
7. The method of claim 6, wherein said determining a current operating state of said high voltage circuit breaker based on said pre-processed current waveform data using an online monitoring platform comprises:
comparing and analyzing the pre-stored standard waveform data and the preprocessed current waveform data by using the online monitoring platform to obtain a comparison and analysis result;
and determining the mechanical characteristic state of the high-voltage circuit breaker by adopting the online monitoring platform based on the comparison analysis result.
8. An on-line monitoring device of a high-voltage circuit breaker, comprising:
the acquisition module is used for acquiring a plurality of coil currents generated in the operation process of the high-voltage circuit breaker by adopting a plurality of current sensors and generating current waveform data according to the corresponding relation between the plurality of coil currents and the change time;
the processing module is used for preprocessing the current waveform data by adopting a circuit breaker monitoring device and sending the preprocessed current waveform data, wherein the preprocessing comprises at least one of the following steps: normal data screening, interference data elimination, data transmission encryption and data classification and sorting;
a determining module, configured to determine, by using an online monitoring platform, a current working state of the high-voltage circuit breaker based on the preprocessed current waveform data, where the current working state at least includes: mechanical property status.
9. A non-volatile storage medium, characterized in that it stores a plurality of instructions adapted to be loaded by a processor and to execute the method of online monitoring of a high voltage circuit breaker according to any one of claims 6 or 7.
10. An electronic device comprising a memory and a processor, characterized in that the memory has stored therein a computer program, the processor being arranged to run the computer program to perform the method of online monitoring of a high voltage circuit breaker according to any of claims 6 or 7.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111447714.3A CN114295969A (en) | 2021-11-30 | 2021-11-30 | Online monitoring method, equipment and system for high-voltage circuit breaker and storage medium |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111447714.3A CN114295969A (en) | 2021-11-30 | 2021-11-30 | Online monitoring method, equipment and system for high-voltage circuit breaker and storage medium |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114295969A true CN114295969A (en) | 2022-04-08 |
Family
ID=80964984
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111447714.3A Pending CN114295969A (en) | 2021-11-30 | 2021-11-30 | Online monitoring method, equipment and system for high-voltage circuit breaker and storage medium |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114295969A (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN205809245U (en) * | 2016-05-06 | 2016-12-14 | 国家电网公司 | A kind of mechanical characteristic of high-voltage circuit breaker state on_line monitoring system |
| CN109724792A (en) * | 2019-02-28 | 2019-05-07 | 四川赛康智能科技股份有限公司 | A kind of high-voltage switch cabinet breaker mechanical property detection method |
| CN112986810A (en) * | 2021-02-05 | 2021-06-18 | 国网江苏省电力有限公司电力科学研究院 | Mechanical characteristic analysis method, device and system suitable for circuit breaker and high-voltage switch |
| CN113156306A (en) * | 2021-02-23 | 2021-07-23 | 广东电网有限责任公司电力科学研究院 | Multi-dimensional diagnosis method and system for defects of circuit breaker operating mechanism |
-
2021
- 2021-11-30 CN CN202111447714.3A patent/CN114295969A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN205809245U (en) * | 2016-05-06 | 2016-12-14 | 国家电网公司 | A kind of mechanical characteristic of high-voltage circuit breaker state on_line monitoring system |
| CN109724792A (en) * | 2019-02-28 | 2019-05-07 | 四川赛康智能科技股份有限公司 | A kind of high-voltage switch cabinet breaker mechanical property detection method |
| CN112986810A (en) * | 2021-02-05 | 2021-06-18 | 国网江苏省电力有限公司电力科学研究院 | Mechanical characteristic analysis method, device and system suitable for circuit breaker and high-voltage switch |
| CN113156306A (en) * | 2021-02-23 | 2021-07-23 | 广东电网有限责任公司电力科学研究院 | Multi-dimensional diagnosis method and system for defects of circuit breaker operating mechanism |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| Singh et al. | IoT embedded cloud-based intelligent power quality monitoring system for industrial drive application | |
| CN107276066A (en) | Method and system for analyzing the waveform in power system | |
| EP2149980B1 (en) | Stray flux processing method and system | |
| CN108828406A (en) | The fault recognition method and its system of non-intrusion type user power utilization | |
| Stone | The use of partial discharge measurements to assess the condition of rotating machine insulation | |
| CN103649763A (en) | Using values of PRPD envelope to classify single and multiple partial discharge (PD) defects in HV equipment | |
| CN102636768B (en) | A kind of lightning arrester on-line computing model on-line testing method | |
| CN201607479U (en) | Over-voltage non-contact on-line monitoring and identifying integrated device for power grid | |
| CN110703009A (en) | Abnormal analysis and processing method for line loss rate of transformer area | |
| CN112986754B (en) | Small current grounding system fault identification method and device based on data driving | |
| CN108152665A (en) | Multiplexing electric abnormality determines method and device | |
| CN111521867A (en) | System and method for collecting load data | |
| US20160109492A1 (en) | Method and system for analysing electricity consumption | |
| WO2024078344A1 (en) | Monitoring method, system and apparatus for quality of high-frequency external power grid | |
| CN116754901B (en) | Power distribution network fault analysis management platform based on quick positioning | |
| CN109142862A (en) | A kind of intelligent electrically engineering survey system and its measurement method | |
| CN116317171B (en) | Electric quantity and non-electric quantity internet of things monitoring device | |
| CN114295969A (en) | Online monitoring method, equipment and system for high-voltage circuit breaker and storage medium | |
| CN110750500A (en) | Method and system for checking CCD (Charge coupled device) file and SCD (substation configuration description) file of intelligent substation | |
| CN110321585A (en) | Based on GA-BP neural network switchgear method for detecting insulation defect and system | |
| CN104777386A (en) | Failure analyzing and detecting system for cable accessories | |
| CN207601174U (en) | A kind of taiwan area acquisition terminal and unit-area management system | |
| CN105892379A (en) | Method for implementing monitoring on pre-purchased electricity arrearage trip circuit and intelligent controller | |
| Deokar et al. | Power system switching transients analysis using multiresolution signal decomposition | |
| CN116090418A (en) | Automatic acquisition method and device for electric power test data and computer storage medium |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |