CN114002530A - Remote non-power-off scheduled inspection method and system for line protection device - Google Patents
Remote non-power-off scheduled inspection method and system for line protection device Download PDFInfo
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- CN114002530A CN114002530A CN202111277309.1A CN202111277309A CN114002530A CN 114002530 A CN114002530 A CN 114002530A CN 202111277309 A CN202111277309 A CN 202111277309A CN 114002530 A CN114002530 A CN 114002530A
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Abstract
The application discloses a remote non-power-off scheduled inspection method and a system of a line protection device, the application sends a remote non-power-off transmission instruction to the line protection device through an upper control device so as to obtain transmission control data of the line protection device, then remote non-power-off transmission judgment is carried out on the line protection device by combining preset remote non-power-off transmission judgment condition information, if the judgment result is normal, a transmission execution instruction is issued so that the line protection device responds to the transmission execution instruction to carry out non-power-off transmission, if the judgment result is abnormal, the issuing of the transmission execution instruction is automatically locked so that the line protection device cannot carry out remote transmission operation, the pre-judgment of the transmission condition of the line protection device is carried out through the upper control device, the line protection device is prevented from responding to the transmission execution instruction under the condition that the line protection device does not satisfy the non-power-off transmission condition, the technical problem that maloperation is easy to occur in remote non-power-off scheduled inspection in the prior art is solved.
Description
Technical Field
The application relates to the technical field of big data, in particular to a remote non-power-off scheduled inspection method and system for a line protection device.
Background
With the continuous development of power systems, the generation of large power grids, and the continuous emergence of novel power supply technologies and equipment, relay protection has become an important means for ensuring the safe operation of the power systems. In order to ensure reliable operation of the relay protection device and a secondary circuit thereof, the inspection regulation stipulates that relay protection regular inspection comprises partial inspection and full inspection, the first full inspection is finished within 1 year after commissioning, the first partial inspection is finished within 4 years, the full inspection is carried out within 7 years, and the partial inspection and the full inspection are alternately carried out every three years. All the transportation and inspection items are carried out according to the inspection steps set by the inspection operation instruction. And only if the inspection result meets the inspection standard, the inspected function is considered to be normal preliminarily, otherwise, the defects of each part of the relay protection and the secondary circuit thereof can be found.
The existing line protection device regular inspection method issues a non-power-off transmission command to a line protection device of a normal power supply line in a remote control mode, the line protection device judges that a non-power-off transmission outlet tripping circuit breaker is executed after various conditions are met, line power supply can be recovered through automatic reclosing, and regular inspection and verification of a tripping and closing loop of the line protection device are completed.
Disclosure of Invention
The application provides a remote non-power-off regular inspection method and system for a line protection device, which are used for solving the technical problem that the remote non-power-off regular inspection is easy to malfunction in the prior art.
The application provides in a first aspect a remote non-power-off transmission scheduled inspection method for a line protection device, the method comprising:
the upper control device sends a remote uninterrupted transmission instruction to the line protection device, so that the line protection device responds to the remote uninterrupted transmission instruction and uploads transmission control data of the line protection device to the upper control device;
the upper control device performs remote uninterrupted transmission judgment on the line protection device according to the received transmission control data and in combination with preset remote uninterrupted transmission judgment condition information, and when the judgment result is normal, transmits a transmission execution instruction to the line protection device, so that the line protection device responds to the transmission execution instruction to execute remote uninterrupted transmission action, and when the judgment result is abnormal, locks the transmission execution instruction.
Preferably, the upper control device further includes, after issuing a transmission execution instruction to the line protection device:
after the line protection device executes the remote uninterrupted transmission action, the upper control device collects transmission regular inspection result data generated after the line protection device executes the remote uninterrupted transmission action, so that a transmission regular inspection result report is generated based on the transmission result data.
Preferably, the upper control device specifically includes: a security system or a station-side protection control type substation.
Preferably, the upper control device specifically includes: a communication protection system and a station end protection control type substation.
Preferably, the transmission control data specifically includes: the system comprises running state data, sampling state data, soft pressing plate state data, reclosing charging state data, remote operation hard pressing plate state data and overhaul hard pressing plate state data.
Preferably, before the upper control device sends the remote uninterrupted transmission instruction to the line protection device, the upper control device further comprises:
the upper control device acquires identity information of a worker, carries out authority verification on the worker according to the identity information, if the worker has operation authority, the upper control device sends a remote uninterrupted transmission instruction to the line protection device, and if the worker does not have the operation authority, the worker stops sending the remote uninterrupted transmission instruction.
The second aspect of the present application provides a remote non-stop transmission scheduled inspection system for a line protection device, comprising: an upper control device and a line protection device;
the upper control device is in communication connection with the line protection device;
the upper control device is used for sending a remote uninterrupted transmission instruction to the line protection device, so that the line protection device responds to the remote uninterrupted transmission instruction, uploading transmission control data of the line protection device to the upper control device, combining preset remote uninterrupted transmission judgment condition information according to the received transmission control data, performing remote uninterrupted transmission judgment on the line protection device, issuing a transmission execution instruction to the line protection device when a judgment result is normal, responding to the transmission execution instruction by the line protection device, executing remote uninterrupted transmission action, and locking the issuing of the transmission execution instruction when the judgment result is abnormal.
Preferably, the upper control device specifically includes: a security system or a station-side protection control type substation.
Preferably, the upper control device specifically includes: the information protection system and the station end protection control type substation;
the information protection system is in communication connection with the station-side protection control type substation through an IEC61850 standard communication protocol, and the station-side protection control type substation is in communication connection with the line protection device.
Preferably, the transmission control data specifically includes: the system comprises running state data, sampling state data, soft pressing plate state data, reclosing charging state data, remote operation hard pressing plate state data and overhaul hard pressing plate state data.
According to the technical scheme, the embodiment of the application has the following advantages:
the method provided by the application sends a remote uninterrupted transmission instruction to the line protection device through the upper control device, thereby obtaining the transmission control data of the line protection device, then combining the preset remote non-stop transmission judgment condition information, the line protection device is subjected to remote transmission judgment without power failure, if the judgment result is normal, a transmission execution instruction is issued, so that the line protection device does not stop electric transmission in response to the transmission execution instruction, and automatically locks the transmission execution instruction to be issued if the judgment result is abnormal, so that the line protection device cannot perform remote transmission operation, the pre-judgment of the transmission condition of the line protection device by the upper control device avoids the problem that the line protection device cannot meet the condition of uninterrupted transmission, the transmission execution instruction is still responded, and the technical problem that maloperation is easy to occur in remote non-power-off scheduled inspection in the prior art is solved.
Drawings
In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without inventive exercise.
Fig. 1 is a schematic flow chart of an embodiment of a remote non-power-off scheduled inspection method for a line protection device provided by the present application.
Fig. 2 is a schematic flow chart of another embodiment of a remote non-power-off scheduled inspection method for a line protection device according to the present application.
Fig. 3 is a logic flow diagram of remote non-stop transmission anticipation of the superordinate control device provided in the present application.
Fig. 4 is a schematic structural diagram of an embodiment of a remote no-power-off scheduled inspection system of a line protection device provided in the present application.
Fig. 5 is a schematic diagram of the overall information flow of the remote no-power-off scheduled inspection system of the line protection device provided in the present application.
Detailed Description
The embodiment of the application provides a remote non-power-off regular inspection method and system for a line protection device, and is used for solving the technical problem that the remote non-power-off regular inspection is prone to misoperation in the prior art.
In order to make the objects, features and advantages of the present invention more apparent and understandable, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present application, and it is apparent that the embodiments described below are only a part of the embodiments of the present application, 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 application.
Referring to fig. 1, a first embodiment of the present application provides a method for scheduled remote non-stop transmission inspection of a line protection device, including:
and 102, the upper control device performs remote uninterrupted transmission judgment on the line protection device according to the received transmission control data and preset remote uninterrupted transmission judgment condition information, and sends a transmission execution instruction to the line protection device when the judgment result is normal, so that the line protection device responds to the transmission execution instruction to execute remote uninterrupted transmission action, and locks the transmission execution instruction to be sent when the judgment result is abnormal.
It should be noted that, the upper control device of this embodiment acquires transmission control data of the line protection device, such as state information, voltage and current sampling, opening, pressing plate, and setting value, and performs pre-determination to determine whether the protection device has a remote non-stop transmission condition, if yes, a transmission execution instruction for triggering remote non-stop transmission is issued to the protection device, and if not, the transmission execution instruction is blocked, so that the line protection device does not execute non-stop transmission.
According to the method provided by the embodiment, the transmission condition of the line protection device is pre-judged through the upper control device, the line protection device is prevented from responding to the transmission execution instruction under the condition that the transmission condition is not stopped, and the technical problem that the remote non-stop fixed-inspection is prone to misoperation in the prior art is solved.
Referring to fig. 2, a second aspect of the present application provides a remote non-stop transmission scheduled inspection method for a line protection device, including:
further, the upper control device specifically includes: a security system or a station-side protection control type substation.
It should be noted that the information protection system is a relay protection and fault information processing system (abbreviated as an information protection system). The intelligent device monitoring, controlling and managing system aims to provide intelligent devices (mainly comprising a relay protection device, a wave recorder and the like) in a monitoring, controlling and managing station for a dispatching end so as to improve the informatization level of the intelligent devices in a transformer substation. The intelligent device access information acquisition and processing system can acquire and process information of various intelligent devices accessed into the information protection system when the power grid normally operates and the power grid fails, and fully utilizes the information to serve scheduling operation, failure analysis and equipment management. With the further standardization of relay protection uploading data, the insurance system develops advanced applications such as remote control functions of fixed value modification, fixed value area switching, soft pressing plate switching, signal resetting and the like, and hard pressing plate checking and the like. The information protection system comprises a master station and a substation system which operate in all levels of scheduling and a substation system which operates in a transformer substation and a power plant.
Further alternatively, the upper control device specifically includes: a communication protection system and a station end protection control type substation.
When the upper control device is a combination of the information protection system and the station-side protection control type substation, the information protection system is communicated with the station-side protection control type substation of the transformer substation through an IEC61850 standard communication protocol, and the protection control type substation is communicated with the line protection device, so that the information protection system or the station-side protection control type substation can acquire position information, state information, voltage and current sampling, switching-in, pressing plates, fixed values and other information of the protection device and the measurement and control device, and whether the protection device has a remote uninterrupted power transmission condition or not is judged in advance.
Further, the transmission control data specifically includes: the system comprises running state data, sampling state data, soft pressing plate state data, reclosing charging state data, remote operation hard pressing plate state data and overhaul hard pressing plate state data.
It should be noted that, according to the method provided by the present application, before transmission, the protection state is pre-determined according to the transmission control data of the line protection device, so as to provide a conclusion whether uninterrupted transmission can be performed. As shown in fig. 3, the transmission control data and the judgment condition thereof specifically include the following examples:
the operation state is as follows: and judging whether starting or abnormal alarming exists.
Sampling state: and judging whether the protection analog quantity is normal or not.
The constant value state: and comparing the fixed value with the standard value, and judging whether the fixed value is normal or not.
Soft pressing plate state: and comparing the state of the soft pressing plate with the standard value, and judging whether the state of the soft pressing plate is normal or not.
Reclosing charging state: whether the reclosing is fully charged or not meets the precondition of uninterrupted transmission.
Remote operation hard platen state: the pressing plate is put into operation, and the uninterrupted transmission can be carried out.
And (3) overhauling the hard pressing plate state: the pressing plate is withdrawn, and the uninterrupted transmission can be carried out.
When the starting is not performed, the alarm is not performed, the running state is normal, the sampling is normal, the fixed value and the soft pressing plate are normal, the reclosing charging is performed, the hard pressing plate is operated in a remote place, the hard pressing plate is closed, and the hard pressing plate is maintained and retreated, the remote transmission operation is allowed to be performed. Otherwise, the remote transmission function is locked, and the reason that the operation is not allowed currently is indicated by methods such as alarm message indication and the like.
Further, before the upper control device sends the transmission instruction without power failure of the distant place to the line protection device, the upper control device further comprises:
It should be noted that, this embodiment further provides a step of performing authority verification based on identity information of a worker by using an upper control device, including: and verifying the operation authority of the task operator and the monitoring authority of the task monitor, and if the related staff does not have the authority, terminating the remote uninterrupted transmission operation, thereby avoiding the safety problem.
Further, after issuing the transmission execution instruction to the line protection device, the upper control device in step 102 further includes:
and 103, after the line protection device executes the remote uninterrupted transmission action, the upper control device collects transmission regular inspection result data generated after the line protection device executes the remote uninterrupted transmission action so as to generate a transmission regular inspection result report based on the transmission result data.
It should be noted that, based on the transmission execution instruction issued by the upper control device, after the uninterruptible transmission is executed, the master station may generate an uninterruptible transmission report by acquiring transmission scheduled inspection result data generated by the line protection device after the remote uninterruptible transmission action is executed. The report content may refer to the following examples:
information before transmission: starting and alarming state, fixed value, soft pressing plate state value, reclosing charging state and position state.
After transmission: trip information with time marks, position change records and corresponding waveform file names.
And (4) a transmission conclusion: and the result of whether the uninterrupted transmission is successfully executed or not is obtained.
In the embodiment, the method for completing the remote non-stop transmission fixed-inspection line protection device by adopting the information-protection system can complete the transmission condition pre-judgment in advance at a remote place (namely, at a main station of the information-protection system), and only when all judgment conditions are met, "transmission commands are issued", wherein one condition is that the result is abnormal if one condition is not met. When the result is abnormal, the automatic locking is locked to 'issue a transmission command', and the remote transmission operation cannot be carried out. The command issuing step includes two steps of selection and execution, the protection device has display records when receiving the selection and execution commands, after receiving the uninterrupted transmission control command, the protection device also carries out self-checking whether the uninterrupted transmission condition is met or not, the control command outlet is executed after the uninterrupted transmission control command is met, the control command outlet is coincided after transmission tripping, when the protection self-checking does not meet the uninterrupted transmission condition, the execution of the control command is forbidden and a control failure command is returned, and all signals in the uninterrupted transmission control process are transmitted to the main station of the signal protection system by the protection device. The safety, reliability and visualization of remote transmission scheduled inspection without power failure are improved. The method meets the requirements of remote uninterrupted scheduled inspection of a relay protection device and a secondary circuit, and achieves the effects of increasing efficiency and reducing load.
The above is a detailed description of a second embodiment of the remote non-stop transmission scheduled inspection method for the line protection device provided by the present application, and the following is a detailed description of an embodiment of the remote non-stop transmission scheduled inspection system for the line protection device provided by the present application.
Referring to fig. 4 and 5, a third embodiment of the present application provides a remote non-stop transmission timing inspection system for a line protection device, including: an upper control device 201 and a line protection device 202;
the upper control device is in communication connection with the line protection device;
the upper control device is used for sending a remote uninterrupted transmission instruction to the line protection device, so that the line protection device responds to the remote uninterrupted transmission instruction, uploading transmission control data of the line protection device to the upper control device, combining preset remote uninterrupted transmission judgment condition information according to the received transmission control data, performing remote uninterrupted transmission judgment on the line protection device, and sending a transmission execution instruction to the line protection device when a judgment result is normal, so that the line protection device responds to the transmission execution instruction, performs remote uninterrupted transmission action, and when the judgment result is abnormal, locking transmission execution instruction is sent.
Further, the upper control device 201 specifically includes: a security system or a station-side protection control type substation.
Further, the upper control device 201 specifically includes: the information protection system and the station end protection control type substation;
the information protection system is in communication connection with the station-side protection control type substation through an IEC61850 standard communication protocol, and the station-side protection control type substation is used for being in communication connection with the line protection device, wherein the information protection system of the embodiment is preferably arranged in the power dispatching control center.
Further, the transmission control data specifically includes: the system comprises running state data, sampling state data, soft pressing plate state data, reclosing charging state data, remote operation hard pressing plate state data and overhaul hard pressing plate state data.
It can be clearly understood by those skilled in the art that, for convenience and brevity of description, the specific working processes of the terminal, the apparatus and the unit described above may refer to the corresponding processes in the foregoing method embodiments, and are not described herein again.
In the several embodiments provided in the present application, it should be understood that the disclosed terminal, apparatus and method may be implemented in other manners. For example, the above-described apparatus embodiments are merely illustrative, and for example, the division of the units is only one logical division, and other divisions may be realized in practice, for example, a plurality of 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, devices or units, and may be in an electrical, mechanical or other form.
The terms "first," "second," "third," "fourth," and the like in the description of the application and the above-described figures, if any, 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 application described herein are, for example, capable of operation in sequences other than those illustrated or otherwise 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.
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 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 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 storage medium and includes instructions for causing a computer device (which may be a personal computer, a server, or a network device) to execute all or part of the steps of the method according to the embodiments of the present invention. And the aforementioned storage medium includes: a U-disk, a removable hard disk, a Read-Only Memory (ROM), a Random Access Memory (RAM), a magnetic disk or an optical disk, and other various media capable of storing program codes.
The above embodiments are only used for illustrating the technical solutions of the present application, and not for limiting the same; although the present application has been described in detail with reference to the foregoing embodiments, it should be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions in the embodiments of the present application.
Claims (10)
1. A remote uninterrupted transmission scheduled inspection method for a line protection device is characterized by comprising the following steps:
the upper control device sends a remote uninterrupted transmission instruction to the line protection device, so that the line protection device responds to the remote uninterrupted transmission instruction and uploads transmission control data of the line protection device to the upper control device;
the upper control device performs remote uninterrupted transmission judgment on the line protection device according to the received transmission control data and in combination with preset remote uninterrupted transmission judgment condition information, and when the judgment result is normal, transmits a transmission execution instruction to the line protection device, so that the line protection device responds to the transmission execution instruction to execute remote uninterrupted transmission action, and when the judgment result is abnormal, locks the transmission execution instruction.
2. The remote non-power-off transmission scheduled inspection method for the line protection device as claimed in claim 1, wherein the upper control device further comprises, after issuing a transmission execution instruction to the line protection device:
after the line protection device executes the remote uninterrupted transmission action, the upper control device collects transmission regular inspection result data generated after the line protection device executes the remote uninterrupted transmission action, so that a transmission regular inspection result report is generated based on the transmission result data.
3. The remote uninterruptible transmission scheduled inspection method for the line protection device according to claim 1, wherein the upper control device is specifically: a security system or a station-side protection control type substation.
4. The remote non-power-off transmission scheduled inspection method for the line protection device as claimed in claim 1, wherein the upper control device specifically comprises: a communication protection system and a station end protection control type substation.
5. The remote uninterruptible transmission scheduled inspection method for the line protection device according to claim 1, wherein the transmission control data specifically includes: the system comprises running state data, sampling state data, soft pressing plate state data, reclosing charging state data, remote operation hard pressing plate state data and overhaul hard pressing plate state data.
6. The remote non-power-off transmission scheduled inspection method for the line protection device as claimed in claim 1, wherein before the upper control device sends the remote non-power-off transmission instruction to the line protection device, the method further comprises:
the upper control device acquires identity information of a worker, carries out authority verification on the worker according to the identity information, if the worker has operation authority, the upper control device sends a remote uninterrupted transmission instruction to the line protection device, and if the worker does not have the operation authority, the worker stops sending the remote uninterrupted transmission instruction.
7. The utility model provides a circuit protection device distance transmission scheduled inspection system that does not have a power failure, its characterized in that includes: an upper control device and a line protection device;
the upper control device is in communication connection with the line protection device;
the upper control device is used for sending a remote uninterrupted transmission instruction to the line protection device, so that the line protection device responds to the remote uninterrupted transmission instruction, uploading transmission control data of the line protection device to the upper control device, combining preset remote uninterrupted transmission judgment condition information according to the received transmission control data, performing remote uninterrupted transmission judgment on the line protection device, issuing a transmission execution instruction to the line protection device when a judgment result is normal, responding to the transmission execution instruction by the line protection device, executing remote uninterrupted transmission action, and locking the issuing of the transmission execution instruction when the judgment result is abnormal.
8. The remote uninterruptible transmission scheduled inspection system for the line protection device according to claim 7, wherein the upper control device is specifically: a security system or a station-side protection control type substation.
9. The remote uninterruptible transmission scheduled inspection system for the line protection device according to claim 7, wherein the upper control device specifically comprises: the information protection system and the station end protection control type substation;
the information protection system is in communication connection with the station-side protection control type substation through an IEC61850 standard communication protocol, and the station-side protection control type substation is in communication connection with the line protection device.
10. The remote uninterruptible power transmission scheduled inspection system for the line protection device according to claim 7, wherein the transmission control data specifically includes: the system comprises running state data, sampling state data, soft pressing plate state data, reclosing charging state data, remote operation hard pressing plate state data and overhaul hard pressing plate state data.
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| CN202111277309.1A CN114002530A (en) | 2021-10-29 | 2021-10-29 | Remote non-power-off scheduled inspection method and system for line protection device |
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| CN202111277309.1A CN114002530A (en) | 2021-10-29 | 2021-10-29 | Remote non-power-off scheduled inspection method and system for line protection device |
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