CN114172271B - Intelligent alarm test method, system and equipment for online monitoring control function of master station - Google Patents
Intelligent alarm test method, system and equipment for online monitoring control function of master station Download PDFInfo
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- CN114172271B CN114172271B CN202111517951.2A CN202111517951A CN114172271B CN 114172271 B CN114172271 B CN 114172271B CN 202111517951 A CN202111517951 A CN 202111517951A CN 114172271 B CN114172271 B CN 114172271B
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Classifications
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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
- H02J13/00006—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 information or instructions transport means between the monitoring, controlling or managing units and monitored, controlled or operated power network element or electrical equipment
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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
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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
- 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
- Y04S10/16—Electric power substations
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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
- 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
- Y04S40/00—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them
- Y04S40/12—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them characterised by data transport means between the monitoring, controlling or managing units and monitored, controlled or operated electrical equipment
Abstract
The embodiment of the invention relates to an intelligent alarm test method, system and equipment for a master station on-line monitoring control function, wherein the method comprises the following steps: simulating a power system fault through a real-time simulation system to obtain fault simulation data, operating the substation according to the fault simulation data, acquiring operation data of the substation, uploading the operation data to a main station, and acquiring first alarm information of the main station; the master station analyzes and processes the operation data to obtain alarm data; and comparing the alarm data with the alarm data corresponding to the first alarm information to obtain a test result. According to the method, the substation operates according to the fault simulation data and uploads the operation data, the master station analyzes and processes the operation data to obtain alarm data, the alarm data is compared with alarm data corresponding to the first alarm information to obtain a test result of the master station for testing the intelligent alarm function module, the intelligent alarm function module of the master station is tested, and therefore stability and reliability of an online monitoring control function of the relay protection master station of the power grid are guaranteed.
Description
Technical Field
The invention relates to the technical field of power systems, in particular to an intelligent alarm test method, system and equipment for a master station online monitoring control function.
Background
The relay protection master station is a hardware and software system which is arranged in a power system dispatching mechanism or a regional control (centralized control and monitoring) center and an overhaul center and is responsible for communication with devices such as a substation, a fault recorder, a traveling wave ranging device and the like, and mainly completes functions such as information processing, analysis and release.
The relay protection substation is a hardware and software system which is arranged at a power system station end and is responsible for communication with secondary equipment such as an accessed relay protection device, a fault recorder and the like, and is used for completing protocol conversion, information collection, processing, control and storage and sending information to a relay protection on-line monitoring control function module according to requirements.
The relay protection master station provides a unified online monitoring and control analysis platform for the relay protection and safety automatic device, is beneficial to a power grid dispatching department to rapidly master the actual fault condition, the relay protection action behavior and the system recovery condition of the power grid through the linkage with the relay protection substation data, and achieves the rapid analysis and the implementation of the anti-measure of the power grid accident. The relay protection master station online monitoring control function is beneficial to grasping actual running conditions of relay protection equipment and improving dispatching running management level. Along with the rapid development of intelligent wave recorders and fault online analysis technologies and the establishment of a power optical fiber data network, the intelligent alarm module in the online monitoring control function of the relay protection master station becomes possible to be practically used.
The intelligent alarm function is used as a functional sub-module of the relay protection and information protection system, and can give corresponding alarms or prompts according to data such as station side files, remote measurement, switching value, fault alarms, protection wave recording, fault wave recorder wave recording and the like through means such as file analysis, data statistics, fault quantity extraction and the like. The intelligent alarm function can directly and automatically call related files according to alarm information such as inspection and intelligent operation and maintenance and the like sent by the substation management unit, and meanwhile, the operation working condition of the main station system in operation, the operation working condition of the substation, the related operation state and abnormal conditions of the protection device are monitored to form a corresponding statistical analysis report. For example: for the abnormal conditions of communication networks such as unreachable main station gateway, unreachable substation gateway, different substation device pings, unopened substation device ports, IED communication state alarming, IED communication service alarming (only intelligent recorder substation) and the like, the communication states of the main station and the substation can be judged step by step according to the network topology of the dispatching data network, the fault investigation range is reduced, and the operation and maintenance efficiency is improved.
Therefore, the intelligent alarm function of the relay protection master station is not tested at present, whether the intelligent alarm function of the relay protection master station can normally operate is unclear, and in order to ensure that the intelligent alarm function of the relay protection master station normally works, the intelligent alarm function of the relay protection master station needs to be tested, so that the problem that the alarm function is lost due to frequent alarm on a power grid site can be effectively solved.
Disclosure of Invention
The embodiment of the invention provides an intelligent alarm test method, system and equipment for a master station online monitoring control function, which are used for solving the technical problem that whether the intelligent alarm function of a relay protection master station is normal or not is not verified in the prior art.
In order to achieve the above object, the embodiment of the present invention provides the following technical solutions:
an intelligent alarm test method for a master station on-line monitoring control function comprises the following steps:
simulating a power system fault through a real-time simulation system to obtain fault simulation data, operating a substation according to the fault simulation data, acquiring operation data of the substation, uploading the operation data to a main station, and acquiring first alarm information of the main station;
the master station analyzes and processes the operation data to obtain alarm data; comparing the alarm data with the alarm data corresponding to the first alarm information to obtain a test result;
the substation comprises a relay protection substation, an intelligent recorder and a protection device.
Preferably, the step of the master station analyzing the operation data includes:
counting the channel delay times, the step-out times, the total number of error codes, the abnormal number of messages and the alarming times of the same equipment in a specified time period of the operation data to obtain the times alarming data corresponding to the channel delay times, the step-out times, the error codes, the abnormal messages and the alarming of the same equipment;
if each of the number of times alarm data exceeds the corresponding number of times threshold value set by the master station, sending out number of times alarm information;
judging whether the number of times of alarm information is the same as the corresponding number of times of alarm information in the first alarm information, and outputting a test result.
Preferably, the step of the master station analyzing the operation data includes:
acquiring current data of a protection device in the operation data;
if the current data exceeds the corresponding current threshold value set by the master station, obtaining protection action information of the protection device;
and judging whether the protection action information is the same as the corresponding protection action information in the first alarm information, and outputting a test result.
Preferably, the step of the master station analyzing the operation data includes: and acquiring locking information of the operation data, and outputting a test result if the locking information is the same as corresponding locking information in the first alarm information.
Preferably, the step of the master station analyzing the operation data includes: and acquiring calling file information of the operation data, judging whether the calling file in the calling file information is successful, and outputting a test result.
The application also provides an intelligent alarm test system of a master station on-line monitoring control function, which comprises: the intelligent alarm test system comprises a master station, a substation in communication connection with the master station and a real-time simulation system connected with the substation, wherein the master station comprises a work station, an intelligent alarm function judging module is arranged on the work station, and the intelligent alarm function judging module tests the intelligent alarm test according to the intelligent alarm test method of the master station on-line monitoring control function.
Preferably, the master station comprises a server for data interaction with the workstations.
Preferably, the substation comprises a relay protection substation, an intelligent recorder and a protection device connected with the relay protection substation and the intelligent recorder respectively, wherein the relay protection substation is used for uploading fault signals, remote measurement, switching value, outlet action information, starting information, fault quantity, alarm information and wave recording files of the protection device to the master station.
Preferably, the real-time simulation system is used for simulating the fault of the power system and providing voltage and current amounts simulating the fault to the substation.
The application also provides a terminal device, which comprises a processor and a memory;
the memory is used for storing program codes and transmitting the program codes to the processor;
the processor is used for executing the intelligent alarm test method of the online monitoring control function of the master station according to the instructions in the program codes
From the above technical solutions, the embodiment of the present invention has the following advantages: the method, the system and the equipment for testing the intelligent alarm of the online monitoring control function of the master station, provided by the embodiment of the application, comprise the following steps: simulating a power system fault through a real-time simulation system to obtain fault simulation data, operating the substation according to the fault simulation data, acquiring operation data of the substation, uploading the operation data to a main station, and acquiring first alarm information of the main station; the master station analyzes and processes the operation data to obtain alarm data; and comparing the alarm data with the alarm data corresponding to the first alarm information to obtain a test result. According to the intelligent alarm test method for the online monitoring control function of the master station, the substation operates according to fault simulation data and uploads operation data of the intelligent alarm test method, the master station analyzes and processes the operation data to obtain alarm data, the alarm data are compared with alarm data corresponding to first alarm information to obtain test results of the master station on the intelligent alarm function module test, the intelligent alarm function module of the master station is tested, whether the intelligent alarm function module of the master station can work normally or not is known according to the test results, and therefore stability and reliability of the online monitoring control function of the relay protection master station of a power grid are guaranteed, and the technical problem that whether the intelligent alarm function of the relay protection master station is normal or not is verified in the prior art is solved.
Drawings
In order to more clearly illustrate the embodiments of the invention or the technical solutions of the prior art, the drawings which are used in the description of the embodiments or the prior art will be briefly described, it being obvious that the drawings in the description below are only some embodiments of the invention, and that other drawings can be obtained from these drawings without inventive faculty for a person skilled in the art.
FIG. 1 is a block diagram of an intelligent alarm test system with a master station on-line monitoring control function according to an embodiment of the present application;
FIG. 2 is a logic frame diagram of an intelligent alarm function judgment module of an intelligent alarm test system with a master station online monitoring control function according to an embodiment of the present application;
FIG. 3 is a flowchart illustrating steps of a method for an intelligent alarm test system for a master station on-line monitoring control function according to an embodiment of the present application;
FIG. 4 is a schematic diagram of an intelligent alarm test method real-time simulation system for an online monitoring control function of a master station for simulating a power system fault according to an embodiment of the present application;
fig. 5 is a schematic diagram of an intelligent alarm test method real-time simulation system for an online monitoring control function of a master station according to another embodiment of the present application for simulating a power system fault.
Detailed Description
In order to make the objects, features and advantages of the present invention more comprehensible, the technical solutions in the embodiments of the present invention are described in detail below with reference to the accompanying drawings, and it is apparent that the embodiments described below are only some embodiments of the present invention, but not all embodiments of the present invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
The embodiment of the application provides an intelligent alarm test method, system and equipment for a master station online monitoring control function, which are used for solving the technical problem that whether the intelligent alarm function of a relay protection master station is normal or not and is not verified in the prior art.
Fig. 1 is a frame diagram of an intelligent alarm test system with a master station online monitoring control function according to an embodiment of the present application, and fig. 2 is a logic frame diagram of an intelligent alarm function judgment module of the intelligent alarm test system with the master station online monitoring control function according to an embodiment of the present application.
As shown in fig. 1, an embodiment of the present application provides an intelligent alarm test system with a master station online monitoring control function, including: the intelligent alarm test system comprises a main station 10, a substation 20 in communication connection with the main station 10 and a real-time simulation system 30 connected with the substation 20, wherein the main station 10 comprises a work station 12, an intelligent alarm function judging module is arranged on the work station 12, and the intelligent alarm function judging module tests an intelligent alarm test according to an intelligent alarm test method of a main station on-line monitoring control function.
In this embodiment, a switch is provided between the master station 10 and the substation 20, and the master station 10 further includes a server 11 for data interaction with the workstation 12.
It should be noted that, the workstation 12 of the master station 10 mainly obtains basic data of the intelligent alarm function of the test master station 10 of the substation 20 from the server 11.
In the embodiment of the present application, the substation 20 at least includes a relay protection substation 21, an intelligent recorder 22, and a protection device 23 connected to the relay protection substation 21 and the intelligent recorder 22 respectively.
Note that, the relay protection substation 21 may be a conventional 103-type protection substation, or may be a 61850-type protection substation. The protection device 23 includes at least a line protection apparatus and a main transformer protection apparatus. The line protection device and the main transformer protection device can be relays or fuses.
In the embodiment of the present application, the server 11 of the master station 10 is mainly the patrol report, the check-out report and the operation data in the intelligent operation and maintenance file summoned by the slave station 20.
In the present embodiment, the real-time simulation system 30 is mainly used for simulating the fault of the power system, and provides the voltage and the current quantity simulating the fault to the substation. The real-time simulation system 30 includes a real-time simulator and a power amplifier, and the real-time simulation system 30 issues voltage and current amounts simulating faults to the protection device 23. According to the voltage and the current of the simulated fault, the basic information, fault signals, remote measurement, switching value, outlet action information, starting information, fault quantity, alarm information, wave recording files and other data of the protection device 23 sent by the 103 or 61850 information protection substation are sent to the server 11 of the master station 10 after the protection device 23 acts, the server 11 of the master station 10 performs data interaction with the workstation 12, an intelligent alarm function is realized on the workstation 12, alarm details are displayed, namely an intelligent alarm test method according to the online monitoring control function of the master station is started on an intelligent alarm function judging module of the workstation 12 to test and operate the alarm function module, and alarm data are obtained.
As shown in fig. 2, in the embodiment of the present application, the intelligent warning function judging module includes an intelligent warning configuration function sub-module, an intelligent warning diagnosis sub-module, and an operation data management function sub-module. The intelligent alarm configuration function sub-module is responsible for setting an alarm threshold of the intelligent alarm diagnosis sub-module, and the operation data management function sub-module is responsible for collecting operation data of the substation 20 according to voltage and current amounts of the simulated faults (i.e., fault simulation data). The running data management function sub-module can also successfully trigger the file calling of the calling sub-station 20 of the master station 10, analyze according to the standard format of the inspection report file, the fixed inspection report file and the intelligent operation and maintenance file, extract abnormal IED information and alarm items and generate related alarm results. The operation data of the substation 20 includes information such as alarms of other subsystems of the master station 10, and operation data of the relay protection substation 21, the intelligent recorder 22 and the protection device 23.
It should be noted that, the operation data management function sub-module obtains alarms such as triggering inspection completion (with abnormality), fixed inspection completion (with abnormality) and the like through the intelligent recorder 22, and generates intelligent inspection, fixed inspection and intelligent operation and maintenance reports; confirming that the generated reports are abnormal reports; the intelligent patrol, the fixed inspection and the intelligent operation and maintenance file report can be opened from the master station 10; judging whether the master station 10 analyzes the file (for example, whether the problem of error reporting of the opened file exists or not) and performing tabular display; and the file transmission service of the substation 20 is closed, and intelligent operation and maintenance alarms such as inspection completion (with abnormality), fixed inspection completion (with abnormality), loop diagnosis alarm, fixed value inconsistent alarm, protection version inconsistent alarm and the like are triggered by the intelligent recorder 22; the master station 10 is confirmed to correctly receive the alarm, and whether the master station 10 generates an alarm or prompt of file calling failure is known.
The intelligent alarm diagnosis sub-module can analyze the basic alarm information, wave recording, analog quantity, switching value and other data to generate relevant alarm data results. The intelligent alarm diagnosis submodule generates a relevant alarm data result at least comprising: frequent alarms, protection channel information inspection alarms, protection abnormal locking alarms, out-of-zone fault analysis alarms and main transformer medium current alarms.
In the embodiment of the application, the frequent alarm mainly refers to counting the action times of the same alarm point in the same equipment in a specified time period, and if the action times are larger than a set time threshold, the frequent alarm and the occurrence times of the alarm point are generated, and the frequent alarm point, the time period and the action time threshold can be set. Support is ordered by "times".
In the embodiment of the application, the protection channel information inspection alarm is also called light difference protection, and the protection channel information inspection alarm refers to periodically inspecting the information of the protection channel according to the operation working condition of the protection channel, and the diagnosis period can be set, and is set to be one month by default. The operation conditions of the protection channel comprise channel alarm, channel delay times, step-out times, error code total number, report Wen Yichang and other information. The diagnostic rules are:
the channel delay is not more than 12ms (obtained by telemetry of a protection device);
the sum of the channel error code total number, the message abnormal constant and the channel delay times in one diagnosis period is not more than 10 times per day on average, and is basically balanced compared with the previous diagnosis periods, and no obvious abnormal increase condition exists.
In the embodiment of the application, the protection abnormal locking alarm is mainly to identify a protection abnormal locking alarm rule base, perform semantic matching according to alarm signals, specifically identify the alarm signals causing locking main protection, locking backup protection and locking reclosing, and give out processing suggestions.
In the embodiment of the present application, the out-of-zone fault analysis alarm mainly is that the master station 10 maintains a 220kV and above protection device list of new operation (including the change of protection device current and voltage loop), and when out-of-zone fault occurs, one out-of-zone fault analysis needs to be completed, so as to form an analysis report and support editing.
In the embodiment of the present application, the main transformer medium current alarm mainly refers to that when a single-phase fault occurs in a line and reclosing fails, main transformer wave recording files of plant stations on two sides of the line should be obtained within 15 minutes after the fault occurs, respective main transformer medium currents are calculated, the main transformer medium current is compared with a current threshold set by the main station 10, and whether the main transformer medium current alarm exists is judged.
Fig. 3 is a flowchart illustrating steps of a method for an intelligent alarm test system with a master station online monitoring control function according to an embodiment of the present application.
As shown in fig. 3, an embodiment of the present application provides an intelligent alarm test method for a master station online monitoring control function, including the following steps:
s1, simulating a power system to fail through a real-time simulation system to obtain failure simulation data, operating the substation according to the failure simulation data, acquiring operation data of the substation, uploading the operation data to a main station, and acquiring first alarm information of the main station;
s2, the master station analyzes and processes the operation data to obtain alarm data; comparing the alarm data with the alarm data corresponding to the first alarm information to obtain a test result;
the substation comprises a relay protection substation, an intelligent recorder and a protection device.
In step S1 of the embodiment of the present application, a fault is simulated by a real-time simulation system, so as to obtain fault simulation data of the fault of the power system, a substation operates according to the fault simulation data, so as to obtain operation data of the substation, the substation uploads the operation data to a server of a master station, and obtains first alarm information of the master station, where the first alarm information is mainly alarm information which can be generated by the master station through an intelligent alarm function module according to the fault simulation data, and is used for providing basic data for analysis processing in step S2.
The operation data of the station 20 includes operation data of the relay protection substation 21, the intelligent recorder 22, the protection device 23, alarms of other subsystems of the master station 10, and the like, and the operation data specifically includes data such as fault signals, remote measurements, switching values, exit motion information, start information, fault values, alarm information, and recording files.
In step S2 of the embodiment of the present application, the primary station analyzes and processes the operation data of the secondary station to obtain alarm data, compares the alarm data with the alarm data corresponding to the first alarm information to output whether the alarms are the same, and outputs a result of testing the intelligent alarm function module.
The method includes the steps that the master station analyzes and processes operation data to obtain alarm data, and then the alarm data is compared with alarm data corresponding to first alarm information stored in the master station and matched with fault simulation data, and a test result of judging the operation data by an intelligent alarm function module in the master station is output.
The application provides an intelligent alarm test method for a master station online monitoring control function, which comprises the following steps: simulating a power system fault through a real-time simulation system to obtain fault simulation data, operating the substation according to the fault simulation data, acquiring operation data of the substation, uploading the operation data to a main station, and acquiring first alarm information of the main station; the master station analyzes and processes the operation data to obtain alarm data; and comparing the alarm data with the alarm data corresponding to the first alarm information to obtain a test result. According to the intelligent alarm test method for the online monitoring control function of the master station, the substation operates according to fault simulation data and uploads operation data of the intelligent alarm test method, the master station analyzes and processes the operation data to obtain alarm data, the alarm data are compared with alarm data corresponding to first alarm information to obtain test results of the master station on the intelligent alarm function module test, the intelligent alarm function module of the master station is tested, whether the intelligent alarm function module of the master station can work normally or not is known according to the test results, and therefore stability and reliability of the online monitoring control function of the relay protection master station of a power grid are guaranteed, and the technical problem that whether the intelligent alarm function of the relay protection master station is normal or not is verified in the prior art is solved.
In one embodiment of the present application, the step of analyzing the operation data by the master station includes:
counting the channel delay times, the step-out times, the total number of error codes, the abnormal times of messages and the alarming times of the same equipment of the operation data in a designated time period to obtain the times alarming data corresponding to the channel delay times, the step-out times, the error codes, the abnormal messages and the alarming of the same equipment;
if each time alarm data exceeds the corresponding time threshold value set by the master station, sending out time alarm information;
judging whether the number of times of alarm information is the same as the corresponding number of times of alarm information in the first alarm information, and outputting a test result.
In one embodiment of the present application, the step of analyzing the operation data by the master station includes:
acquiring current data of a protection device in operation data;
if the current data exceeds the corresponding current threshold value set by the master station, obtaining protection action information of the protection device;
judging whether the protection action information is the same as the corresponding protection action information in the first alarm information, and outputting a test result.
In this embodiment of the present application, the step of the master station analyzing and processing the operation data includes: and acquiring locking information of the operation data, and outputting a test result if the locking information is the same as corresponding locking information in the first alarm information.
In one embodiment of the present application, the step of analyzing the operation data by the master station includes: and acquiring calling file information of the operation data, judging whether the calling file in the calling file information is successful, and outputting a test result.
The main step is that the main station analyzes and processes the operation data to obtain alarm data under different data conditions, and performs alarm judgment on the alarm data to output a test result.
Fig. 4 is a schematic diagram of an intelligent alarm test method real-time simulation system for an on-line monitoring control function of a master station according to an embodiment of the present application simulating a power system fault, and fig. 5 is a schematic diagram of an intelligent alarm test method real-time simulation system for an on-line monitoring control function of a master station according to another embodiment of the present application simulating a power system fault.
In the embodiment of the application, a real-time simulator of a real-time simulation system is used for respectively constructing a line with 110kV voltage level and a transformer simulation model, and simultaneously setting corresponding fault points, as shown in fig. 4 and 5. Based on the analog circuit and the main transformer fault of fig. 4 and 5, the intelligent alarm test method for the main station on-line monitoring control function specifically tests the intelligent alarm function module of the main station, and comprises the following steps: the out-of-zone fault analysis function of the intelligent alarm function module for simulating line fault test takes fig. 4 as an example to simulate the metallic instantaneous short-circuit faults of the K1 and K5 points outside the protection zone respectively, and the fault types comprise single-phase grounding, two-phase short-circuit grounding, two-phase interphase short-circuit, three-phase short-circuit and three-phase short-circuit grounding faults. When faults occur, the line protection equipment of the line is enabled to work so as to realize protection action and intelligent recorder operation. And then the master station analyzes and processes the operation data of the relay protection substation and the intelligent recorder to obtain alarm data of whether the master station generates an out-of-zone fault analysis report. The out-of-zone fault analysis report is shown in table 1.
Table 1 is an off-zone fault analysis report
In this embodiment of the present application, the method for testing an intelligent alarm function module of a master station by using an online monitoring control function of the master station specifically includes: simulating a main transformer medium current alarming function of the main transformer fault testing intelligent alarming function module, setting a main transformer medium current threshold value, taking fig. 5 as an example, simulating a K2 point metallic single-phase instantaneous short-circuit grounding fault in a protection area, and keeping the fault duration for 120ms; when the fault occurs, the main transformer protection equipment works and the intelligent recorder works, and the reclosing of the BRK2 switch fails; the master station obtains fault wave recorder wave recording files of the station main transformer protection equipment at two ends of the line through operation data of the main transformer protection equipment and the intelligent wave recorder, obtains main transformer current data according to the obtained fault wave recorder wave recording files, and generates main transformer current warning information if the current data exceeds a current threshold value corresponding to the master station.
In this embodiment of the present application, the method for testing an intelligent alarm function module of a master station by using an online monitoring control function of the master station includes: the frequent alarm function test specifically comprises the step of setting frequent alarm parameters, wherein the frequent alarm parameters at least comprise: the number of alarms and the time range. Triggering the protection action of the line protection equipment, triggering the same alarm which is lower than the alarm times in the time range, and judging whether the master station generates the alarm to obtain the times alarm information; triggering the line protection equipment to act, triggering the same alarm which is more than or equal to the alarm times in the time range, and judging whether the master station generates the alarm to obtain the times alarm information. The method comprises the steps that the same alarm with the alarm times larger than or equal to the alarm times is triggered in a time range, and the alarm times generated by a master station are the same as the alarm times generated by the master station in the alarm information corresponding to the alarm times in the first alarm information, so that the frequent alarm function of the intelligent alarm function module is normal.
In this embodiment of the present application, the method for testing an intelligent alarm function module of a master station by using an online monitoring control function of the master station includes: the main station communication state deflection and positioning capability test comprises the following steps:
a) Modifying the gateway address of the master station;
b) Modifying the sub-station gateway address;
c) Modifying the IP address of the substation management unit;
d) Modifying the port number of the substation management unit opened to the master station;
e) A physical connection channel between the plug substation and the protection equipment;
f) Under the condition that the substation and the protection communication are normal, triggering a negative response condition of the protection for issuing a command to the substation;
after analyzing and processing the operation data, the master station generates communication interruption alarm and positioning diagnosis alarm data.
In this embodiment of the present application, the method for testing an intelligent alarm function module of a master station by using an online monitoring control function of the master station includes: the intelligent alarm statistical analysis capability test specifically comprises a main station communication state statistical analysis test and an in-station IED communication state statistical analysis test, and the testing steps comprise:
the physical channel for connecting the master station with the substation is used for recording the plugging time of the master station and the substation channel, the physical channel for plugging the substation with the protection device 23 is used for recording the plugging time of the substation and the protection device 23 channel;
calculating whether the connection rate of the communication states of the master station and the substation is consistent with the statistical analysis of the master station according to the plugging time of the channels of the master station and the substation; calculating whether the connection rate of the IED communication state in the station is consistent with the statistical analysis of the master station according to the plugging time of the master station and the substation channel and the plugging time of the substation and the 23 channel of the protection device;
triggering the protection device to act to form a certain number of signals such as alarm events, protection actions and the like; and the master station receives the same number of alarm signals to obtain alarm data, and compares the alarm data with alarm data corresponding to the first alarm information to obtain a test result.
It should be noted that, whether the master station receives the same number of alarm signals and classifies the alarm signals according to the grades, and the alarm events are displayed in a statistical mode such as a pie chart, a bar chart, a line chart and the like and support the export of a report.
Embodiment two:
the application also provides a terminal device, which comprises a processor and a memory;
a memory for storing program code and transmitting the program code to the processor;
and the processor is used for executing the intelligent alarm test method of the online monitoring control function of the master station according to the instructions in the program codes.
It should be noted that, the method for testing the intelligent alarm of the online monitoring control function of the master station is described in detail in the first embodiment, which is not described in detail herein. The processor is configured to execute the steps in the above-described embodiment of the intelligent alarm test method for the online monitoring control function of the master station according to the instructions in the program code. In the alternative, the processor, when executing the computer program, performs the functions of the modules/units in the system/apparatus embodiments described above.
For example, a computer program may be split into one or more modules/units, which are stored in a memory and executed by a processor to complete the present application. One or more of the modules/units may be a series of computer program instruction segments capable of performing specific functions for describing the execution of the computer program in the terminal device.
The terminal device may be a computing device such as a desktop computer, a notebook computer, a palm computer, a cloud server, etc. The terminal device may include, but is not limited to, a processor, a memory. It will be appreciated by those skilled in the art that the terminal device is not limited and may include more or less components than those illustrated, or may be combined with certain components, or different components, e.g., the terminal device may also include input and output devices, network access devices, buses, etc.
The processor may be a central processing unit (Central Processing Unit, CPU), other general purpose processor, digital signal processor (Digital Signal Processor, DSP), application specific integrated circuit (Application Specific Integrated Circuit, ASIC), off-the-shelf Programmable gate array (FPGA) or other Programmable logic device, discrete gate or transistor logic device, discrete hardware components, or the like. A general purpose processor may be a microprocessor or the processor may be any conventional processor or the like.
The memory may be an internal storage unit of the terminal device, such as a hard disk or a memory of the terminal device. The memory may also be an external storage device of the terminal device, such as a plug-in hard disk provided on the terminal device, a Smart Media Card (SMC), a Secure Digital (SD) Card, a Flash memory Card (Flash Card), or the like. Further, the memory may also include both an internal storage unit of the terminal device and an external storage device. The memory is used for storing computer programs and other programs and data required by the terminal device. The memory may also be used to temporarily store data that has been output or is to be output.
It will be clear to those skilled in the art that, for convenience and brevity of description, specific working procedures of the above-described systems, apparatuses and units may refer to corresponding procedures in the foregoing method embodiments, which are not repeated herein.
In the several embodiments provided in this application, it should be understood that the disclosed systems, apparatuses, and methods may be implemented in other ways. For example, the apparatus embodiments described above are merely illustrative, e.g., the division of the units is merely a logical function division, and there may be additional divisions when actually implemented, e.g., multiple units or components may be combined or integrated into another system, or some features may be omitted or not performed. Alternatively, the coupling or direct coupling or communication connection shown or discussed with each other may be an indirect coupling or communication connection via some interfaces, devices or units, which may be in electrical, mechanical or other form.
The units described as separate units may or may not be physically separate, and units shown 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 may be selected according to actual needs to achieve the purpose of the solution of this embodiment.
In addition, each functional unit in the embodiments of the present invention may be integrated in one processing unit, or each unit may exist alone physically, or two or more units may be integrated in one unit. The integrated units may be implemented in hardware or in software functional units.
The integrated units, if implemented in the form of software functional units and sold or used as stand-alone products, may be stored in a computer readable storage medium. Based on such understanding, the technical solution of the present invention may be embodied essentially or in part or all of the technical solution or in part in the form of a software product stored in a storage medium, including instructions for causing a computer device (which may be a personal computer, a server, or a network device, etc.) to perform 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, random Access Memory), a magnetic disk, or an optical disk, or other various media capable of storing program codes.
The above embodiments are only for illustrating the technical solution of the present invention, and not for limiting the same; although the invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit and scope of the technical solutions of the embodiments of the present invention.
Claims (9)
1. An intelligent alarm test method for a master station on-line monitoring control function is characterized by comprising the following steps:
simulating a power system fault through a real-time simulation system to obtain fault simulation data, operating a substation according to the fault simulation data, acquiring operation data of the substation, uploading the operation data to a main station, and acquiring first alarm information of the main station;
the master station analyzes and processes the operation data to obtain alarm data; comparing the alarm data with the alarm data corresponding to the first alarm information to obtain a test result;
the substation comprises a relay protection substation, an intelligent recorder and a protection device;
the step of analyzing and processing the operation data by the master station comprises the following steps:
counting the channel delay times, the step-out times, the total number of error codes, the abnormal number of messages and the alarming times of the same equipment in a specified time period of the operation data to obtain the times alarming data corresponding to the channel delay times, the step-out times, the error codes, the abnormal messages and the alarming of the same equipment;
if each of the number of times alarm data exceeds the corresponding number of times threshold value set by the master station, sending out number of times alarm information;
judging whether the number of times of alarm information is the same as the corresponding number of times of alarm information in the first alarm information, and outputting a test result.
2. The intelligent alarm test method of a master station on-line monitoring control function according to claim 1, wherein the step of the master station analyzing the operation data includes:
acquiring current data of a protection device in the operation data;
if the current data exceeds the corresponding current threshold value set by the master station, obtaining protection action information of the protection device;
and judging whether the protection action information is the same as the corresponding protection action information in the first alarm information, and outputting a test result.
3. The intelligent alarm test method of a master station on-line monitoring control function according to claim 1, wherein the step of the master station analyzing the operation data includes: and acquiring locking information of the operation data, and outputting a test result if the locking information is the same as corresponding locking information in the first alarm information.
4. The intelligent alarm test method of a master station on-line monitoring control function according to claim 1, wherein the step of the master station analyzing the operation data includes: and acquiring calling file information of the operation data, judging whether the calling file in the calling file information is successful, and outputting a test result.
5. An intelligent alarm test system for a master station on-line monitoring control function, comprising: the intelligent alarm test system comprises a main station, a substation in communication connection with the main station and a real-time simulation system connected with the substation, wherein the main station comprises a workstation, an intelligent alarm function judging module is arranged on the workstation, and the intelligent alarm function judging module tests the intelligent alarm test according to the intelligent alarm test method of the main station on-line monitoring control function as set forth in any one of claims 1-4.
6. The intelligent alarm test system for an online supervisory control function of a master station according to claim 5, wherein the master station comprises a server for data interaction with the workstations.
7. The intelligent alarm test system of the online monitoring control function of the main station according to claim 5, wherein the substation comprises a relay protection substation, an intelligent recorder and a protection device respectively connected with the relay protection substation and the intelligent recorder, and the relay protection substation is used for uploading fault signals, remote measurement, switching value, outlet action information, starting information, fault quantity, alarm information and recorded wave files of the protection device to the main station.
8. The intelligent alarm test system for the on-line monitoring control function of the primary station according to claim 5, wherein the real-time simulation system is adapted to simulate a power system failure and to provide the substation with voltage and current amounts simulating the failure.
9. A terminal device comprising a processor and a memory;
the memory is used for storing program codes and transmitting the program codes to the processor;
the processor is configured to execute the intelligent alarm test method of the master station online monitoring control function according to the instructions in the program code.
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