CN104578426A - Detection method for information comprehensive analysis and intelligent alarming application - Google Patents
Detection method for information comprehensive analysis and intelligent alarming application Download PDFInfo
- Publication number
- CN104578426A CN104578426A CN201510038555.XA CN201510038555A CN104578426A CN 104578426 A CN104578426 A CN 104578426A CN 201510038555 A CN201510038555 A CN 201510038555A CN 104578426 A CN104578426 A CN 104578426A
- Authority
- CN
- China
- Prior art keywords
- alarm
- information
- intelligent
- equipment
- analysis
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
- Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
- Y04S10/00—Systems supporting electrical power generation, transmission or distribution
- Y04S10/16—Electric power substations
Landscapes
- Remote Monitoring And Control Of Power-Distribution Networks (AREA)
Abstract
The invention provides a detection method for information comprehensive analysis and intelligent alarming application. The detection method includes the following steps that whether transformer substation advanced application function modular design meets requirements or not is detected; classification of alarming information is determined, and detection of intelligent alarming and analysis decision making is finished; detection of information comprehensive analysis decision making is conducted; detection of distributed state estimation and data identification is conducted. The detection method for information comprehensive analysis and intelligent alarming application can be used for application and implementation of intelligent comprehensive analysis and intelligent alarming of a transformer substation integrated monitoring system, and modularization, standardization and customization of the functions of the transformer substation integrated monitoring system are achieved.
Description
Technical field
The present invention relates to a kind of detection method, be specifically related to the detection method that a kind of information comprehensive analysis and intelligent alarm are applied.
Background technology
Intelligent grid be the world today development direction, as national development strategy aspect intelligent grid construction to the development of national economy and constantly the level of improving the people's livelihood play vital effect.Transformer station is the important step that intelligent grid is built, and the level of its development construction will directly have influence on the overall height of intelligent grid construction.The senior application function of transformer station is one of key character of transformer station.Transformer station has only possessed senior application function, just can become the strong node in intelligent grid.
Along with the development of new technology, large quantities of new equipment, new technology, new system obtain application in transformer station, although improve full station overall intelligence level to a certain extent, also bringing full station equipment increases, and drops into series of problems such as increasing, system is too much, information interaction is difficult.
Within 2012, issue " transformer station's integrated monitoring system Construction technical specification " and " transformer station's integrated monitoring systemic-function specification " by State Grid Corporation of China's dispatching control center, integrated to the information interaction between system optimization in current transformer substation and integration, each subsystem and function, intelligent senior application function proposes new requirement.
Transformer station requires to realize sequential control, Intelligent switching order, comprehensive analysis and senior application and the integrated application such as intelligent alarm, distributions estimation.But due to the difference in understanding, different in function division, software operation and configuration flow etc., make the function information model disunity of senior application, interface mode difference very large, cannot interoperability be realized between different manufacturers, say nothing of and be configured by transformer station's demand.Based on above background and thinking, need to launch deep research and test to the senior application function etc. of transformer station's integrated monitoring system under new technical requirement, and make every effort to solve transformer station's development, implement and produced problem in extension process.
Summary of the invention
In order to overcome above-mentioned the deficiencies in the prior art, the invention provides the detection method that a kind of information comprehensive analysis and intelligent alarm are applied, can be used for transformer station's integrated monitoring system intelligence comprehensively to analyze and the application of intelligent alarm and enforcement, realize its function modoularization, standardization, customization.
In order to realize foregoing invention object, the present invention takes following technical scheme:
The invention provides the detection method that a kind of information comprehensive analysis and intelligent alarm are applied, said method comprising the steps of:
Detect the senior applied function moduleization design of transformer station whether to meet the requirements;
Determine the classification of alarm letter information, and complete the detection of intelligent alarm and analysis decision;
The detection of information comprehensive analysis decision-making;
Distributions estimates the detection with data identification.
Detect transformer station's senior applied function moduleization design and whether meet following requirement:
(1) transformer station's integrated monitoring system provides based on the editor at Standard graphical user interface and Core Generator and calling interface;
(2) transformer station's integrated monitoring system provides the access interface of each database;
(3) transformer station's integrated monitoring system provides the network communication applications layer protocol of standard and utility function and calling interface;
(4) operating system follows the opening of IEEE POSIX 1003.0 working group definition;
(5) transformer station meets IEC 61850 standard-required.
Described warning information is divided into basic alarm, intelligent alarm, statistics alarm according to importance degree and gathers alarm;
(1) basic alarm: when certain attribute generation write operation of object in real-time database, according to rule configuration, calls corresponding rule, according to pre-configured alarm form and alarm behavior, by corresponding data write alarm example;
(2) intelligent alarm: the comprehensive expert system of intelligent alarm is according to information various in transformer station, and the alarm obtained through rational analysis is intelligent alarm;
(3) add up alarm: the source of statistics alarm is basic alarm and gathers alarm, reach when the time that alarm reaches at certain section of time frequency number of times or the alarm continuity preset the time preset, be then considered as triggering new statistics alarm;
(4) gather alarm: gather for gathering alarm by multiple similar basic alarm, when wherein single or two and above alarm occur time, trigger and new gather alarm.
According to the requirement of transformer station's integrated monitoring systems technology functional specification, described intelligent alarm is divided into accident alarm, abnormality alarming, displacement alarm, Threshold Crossing Alert and informs alarm;
(1) accident alarm: arrange electric network fault and equipment fault, comprises the alarm causing switch automatic trip, the tripping operation of unartificial operation, the alarm of protective device action outlet breaker tripping and closing and affect substation safety operation;
(2) abnormality alarming: comprise the alarm of equipment operation exception situation and affect the alarm of equipment remote-control operation, threatening power grid security and equipment to run;
(3) conjugate alarm: the alarm comprising Switch equipment separating brake, "on" position change, directly reflect the change of power system operating mode;
(4) Threshold Crossing Alert: comprise the alarm that remote measurement amount exceeds alarm bound interval, described remote measurement amount mainly comprises that equipment is meritorious, idle, electric current, voltage and main transformer temperature;
(5) alarm is informed: the alarm of reflection grid equipment ruuning situation and state-detection.
According to according to warning information is not done response produce severity of consequence and pressing degree, described intelligent alarm is divided into high priority, medium priority and low priority.
Described accident alarm is high priority, described abnormality alarming, displacement alarm and Threshold Crossing Alert be medium priority, described in inform that alarm is low priority.
The detection of intelligent alarm and analysis decision comprises alert analysis process, alarm preservation, alarm inquiry, alarm displaying and alarm configuration.
Alert analysis process comprises alarm suppression, alarm shield, alarm are reported by mistake/failed to report, correlation analysis and Online statistics analysis;
(1) alarm suppresses to comprise:
1-1) support alarm dead band and stagnation function, reduce the alarm triggered number of times under out-of-limit condition;
1-2) support alarm delay feature, suppress alarm shake;
1-3) for the redundant alarm of the same event of reflection of distinct device generation, only answer alarm once;
1-4) suppress the normal processes signal produced in operating process;
When 1-5) there is snowslide, suppress part alarm, only retain the alarm of high priority;
1-6) automatically eliminate the warning information repeated, repeatedly occur for a long time if repeat alarm, make abnormality processing.
(2) alarm shield comprises:
2-1) when overhaul of the equipments or test, the warning information of automatic shield maintenance quality position;
2-2) for the equipment hanging up fault or Sign Board out of service, its warning information of automatic shield;
2-3) carry out masking operation, in case operations staff forgets with eye-catching sign prompting operations staff;
(3) alarm is reported by mistake/is failed to report and comprises:
3-1) identify alarm information loss, alarm information loss shows as the entanglement of sequence number or time;
3-2) identify error signal that is single or batch, single error signal shows as contact bounce, and batch error signal shows as the signal that a group is had no relevance;
3-3) support, to wrong report and the statistical function failing to report equipment, to exceed pre-set limit if report by mistake and fail to report number of times, make abnormality processing;
(4) correlation analysis comprises:
4-1) to the correlation analysis producing alarm signal in course of normal operation, single operation only produces single alarm;
4-2) to the correlation analysis producing alarm signal under fault condition, provide the analysis result of electrical network or equipment fault;
4-3) multiple equipment is produced to sequential and the process analysis of alarm signal, find the equipment deficiency hidden;
(5) Online statistics analysis comprises:
5-1) support the Online statistics to signal retention time and signal number of repetition, if signal retention time and signal number of repetition exceed pre-set limit, generate unit exception alarm;
5-2) support the Online statistics to single equipment alarm information, and can according to the alarm of pre-conditioned generation unit exception;
5-3) support gathering the Online statistics of link with the link warning information that communicates, and can according to pre-conditioned generation abnormality alarming.
Alarm is preserved and is comprised:
(1) all original alarm records and intelligent alarm record are kept in historical data base, do not allow manual amendment;
Described original alarm record comprises time of origin, device name and warning content;
Described intelligent alarm record comprises alarm level, time of origin, device name, warning content, alarm cause and equipment fault situation;
Equipment fault situation comprises circuit breaker position situation of change, relaying protection and automatics action situation, main equipment voltage and load, correlation signal state;
(2) all shieldings for alarm signal and manual confirmation operation is recorded;
(3) support the Trouble Report of deriving TXT form and XML format, ExportRange can customize;
(4) the alarm record holding time is not less than 5 years.
Alarm inquiry supports the inquiry of alarm record in the following manner:
(1) by plant stand, interval, equipment query;
(2) by plant stand, device, logical device inquiry;
(3) per diem, the moon, year multiple period inquiry;
(4) by the beginning and ending time section inquiry that user specifies;
(5) by alarm level and alarm type inquiry;
(6) inquire about by user-defined mode.
Alarm is shown and is comprised:
(1) multi-page display supported by alarm window, comprising:
1-1) original alarm information page: order shows all alarms chronologically, and by interval and equipment display;
1-2) the general information page: the notification after the analysis of display intelligent alarm, and by interval and equipment display;
1-3) the schedule information page: display intelligent alarm analyze after abnormal, displacement and Threshold Crossing Alert information, and by interval and equipment display;
1-4) the accident information page: the accident warning information after the analysis of display intelligent alarm, and by interval and equipment display;
1-5) overhaul the page: display is in all signals of inspecting state equipment, do not occur in common, advance notice, accident and the non-involution page;
1-6) non-involution alarming page: the warning information showing non-involution according to time sequencing;
1-7) pending alarming page: all information after the analysis of display intelligent alarm, by device class, automatically deletes after manual confirmation;
(2) support to carry out classifying and filtering according to plant stand, electric pressure, interval, device type, equipment, after filtering, only display meets the warning information of current filter condition;
(3) support according to plant stand, electric pressure, interval, device type, device mask signal, masking operation is manually completed by operator, and the warning information of conductively-closed no longer shows; And point out operations staff to carry out masking operation in eye-catching mode, support to double-click the function that alarm bulletin opened in alarm record.
Alarm configuration comprises:
(1) support by substation information automatic acquisition alarm signal and title;
(2) support by substation information automatic acquisition topological sum once/secondary device incidence relation;
(3) configuration tool is provided to modify to intelligent alarm logic;
(4) correctness by signal simulation checking intelligent alarm logic is provided.
The detection of information comprehensive analysis decision-making comprises;
(1) accident integrated information is shown: the fault amount in managing failures moment, recorder data, warning information, definite value, protection version related information, by fault correlation Data classification and arrangement, form the integrated information that fault is complete, for relay protection professional provides the overview display of fault moment information completely;
(2) panorama accident inversion: comprehensive playback is carried out to the panoramic view data of transformer station, thus provide comprehensive data message to support to accident analysis; Described panoramic view data comprises the service data in the status data of power system operation and system operation.
Distributions is estimated to comprise with the detection of data identification:
(1) network topology: cut-off situation according to electric power networks breaker in middle, determines the real-time architecture topology of network, and the topological structure definition in transformer station is that level adds relational structure;
(2) measurement system Analysis on Observability: analyze the measurement system in transformer station, according to measurement system determination network state;
(3) estimation of each measurement information: utilization measurement information, utilizes the feature of P-Q decoupling zero, adopts decomposing state algorithm for estimating to complete the estimation of each measurement information;
(4) raw data detection and identification: comprise the measurement of detection three-phase and whether balance, detect transformer efficiency measurement summation whether to balance, whether detect paired running busbar voltage measures consistent, detect the meritorious of same interval, idle, electric current, voltage, whether power factor measures mates, whether Detection capacitance reactor is idle mates with voltage, detect load tap changer position whether to mate with busbar voltage, whether sense switch disconnecting link position is consistent with measurement, detection limit measures whether measure whether abnormal saltus step occurs at zone of reasonableness and detection limit,
(5) state estimation result exports and statistics examination: the way of output of state estimation result comprises forms mode and graphics mode; Graphics mode refers to direct show state estimated result on substation network winding diagram.
Compared with prior art, beneficial effect of the present invention is:
A. transformer station's integrated monitoring system unified data/address bus and message interface are provided, realize data sharing between difference in functionality module and function mutual, for the modularization of senior application function provides carrying platform;
B. carry out research and the formulation of the senior application function of transformer station and condition detection method, realize the information sharing between applied function module and collaborative interaction;
C. carry out the detection of the standardized test technology of bridging technology between different manufacturers functional module and functional module, improve the standardization level of functional module, for the equipment of each producer of flexible configuration basis can be provided.
Accompanying drawing explanation
Fig. 1 is integrated monitoring test system structure figure in the embodiment of the present invention;
Fig. 2 is intelligent alarm analogue system structure chart in the embodiment of the present invention.
Embodiment
Below in conjunction with accompanying drawing, the present invention is described in further detail.
The invention provides the detection method that a kind of information comprehensive analysis and intelligent alarm are applied, said method comprising the steps of:
Detect the senior applied function moduleization design of transformer station whether to meet the requirements;
Determine the classification of alarm letter information, and complete the detection of intelligent alarm and analysis decision;
The detection of information comprehensive analysis decision-making;
Distributions estimates the detection with data identification.
Detect transformer station's senior applied function moduleization design and whether meet following requirement:
(1) transformer station's integrated monitoring system provides based on the editor at Standard graphical user interface and Core Generator and calling interface;
(2) transformer station's integrated monitoring system provides the access interface of each database;
(3) transformer station's integrated monitoring system provides the network communication applications layer protocol of standard and utility function and calling interface;
(4) operating system follows the opening of IEEE POSIX 1003.0 working group definition;
(5) transformer station meets IEC 61850 standard-required.
Described warning information is divided into basic alarm, intelligent alarm, statistics alarm according to importance degree and gathers alarm;
(1) basic alarm: when certain attribute generation write operation of object in real-time database, according to rule configuration, calls corresponding rule, according to pre-configured alarm form and alarm behavior, by corresponding data write alarm example;
(2) intelligent alarm: the comprehensive expert system of intelligent alarm is according to information various in transformer station, and the alarm obtained through rational analysis is intelligent alarm;
(3) add up alarm: the source of statistics alarm is basic alarm and gathers alarm, reach when the time that alarm reaches at certain section of time frequency number of times or the alarm continuity preset the time preset, be then considered as triggering new statistics alarm;
(4) gather alarm: gather for gathering alarm by multiple similar basic alarm, when wherein single or two and above alarm occur time, trigger and new gather alarm.
According to the requirement of transformer station's integrated monitoring systems technology functional specification, described intelligent alarm is divided into accident alarm, abnormality alarming, displacement alarm, Threshold Crossing Alert and informs alarm;
(1) accident alarm: arrange electric network fault and equipment fault, comprises the alarm causing switch automatic trip, the tripping operation of unartificial operation, the alarm of protective device action outlet breaker tripping and closing and affect substation safety operation;
(2) abnormality alarming: comprise the alarm of equipment operation exception situation and affect the alarm of equipment remote-control operation, threatening power grid security and equipment to run;
(3) conjugate alarm: the alarm comprising Switch equipment separating brake, "on" position change, directly reflect the change of power system operating mode;
(4) Threshold Crossing Alert: comprise the alarm that remote measurement amount exceeds alarm bound interval, described remote measurement amount mainly comprises that equipment is meritorious, idle, electric current, voltage and main transformer temperature;
(5) alarm is informed: the alarm of reflection grid equipment ruuning situation and state-detection.
According to according to warning information is not done response produce severity of consequence and pressing degree, described intelligent alarm is divided into high priority, medium priority and low priority.
Described accident alarm is high priority, described abnormality alarming, displacement alarm and Threshold Crossing Alert be medium priority, described in inform that alarm is low priority.
The detection of intelligent alarm and analysis decision comprises alert analysis process, alarm preservation, alarm inquiry, alarm displaying and alarm configuration.
Alert analysis process comprises alarm suppression, alarm shield, alarm are reported by mistake/failed to report, correlation analysis and Online statistics analysis;
(1) alarm suppresses to comprise:
1-1) support alarm dead band and stagnation function, reduce the alarm triggered number of times under out-of-limit condition;
1-2) support alarm delay feature, suppress alarm shake;
1-3) for the redundant alarm of the same event of reflection of distinct device generation, only answer alarm once;
1-4) suppress the normal processes signal produced in operating process;
When 1-5) there is snowslide, suppress part alarm, only retain the alarm of high priority;
1-6) automatically eliminate the warning information repeated, repeatedly occur for a long time if repeat alarm, make abnormality processing.
(2) alarm shield comprises:
2-1) when overhaul of the equipments or test, the warning information of automatic shield maintenance quality position;
2-2) for the equipment hanging up fault or Sign Board out of service, its warning information of automatic shield;
2-3) carry out masking operation, in case operations staff forgets with eye-catching sign prompting operations staff;
(3) alarm is reported by mistake/is failed to report and comprises:
3-1) identify alarm information loss, alarm information loss shows as the entanglement of sequence number or time;
3-2) identify error signal that is single or batch, single error signal shows as contact bounce, and batch error signal shows as the signal that a group is had no relevance;
3-3) support, to wrong report and the statistical function failing to report equipment, to exceed pre-set limit if report by mistake and fail to report number of times, make abnormality processing;
(4) correlation analysis comprises:
4-1) to the correlation analysis producing alarm signal in course of normal operation, single operation only produces single alarm;
4-2) to the correlation analysis producing alarm signal under fault condition, provide the analysis result of electrical network or equipment fault;
4-3) multiple equipment is produced to sequential and the process analysis of alarm signal, find the equipment deficiency hidden;
(5) Online statistics analysis comprises:
5-1) support the Online statistics to signal retention time and signal number of repetition, if signal retention time and signal number of repetition exceed pre-set limit, generate unit exception alarm;
5-2) support the Online statistics to single equipment alarm information, and can according to the alarm of pre-conditioned generation unit exception;
5-3) support gathering the Online statistics of link with the link warning information that communicates, and can according to pre-conditioned generation abnormality alarming.
Alarm is preserved and is comprised:
(1) all original alarm records and intelligent alarm record are kept in historical data base, do not allow manual amendment;
Described original alarm record comprises time of origin, device name and warning content;
Described intelligent alarm record comprises alarm level, time of origin, device name, warning content, alarm cause and equipment fault situation;
Equipment fault situation comprises circuit breaker position situation of change, relaying protection and automatics action situation, main equipment voltage and load, correlation signal state;
(2) all shieldings for alarm signal and manual confirmation operation is recorded;
(3) support the Trouble Report of deriving TXT form and XML format, ExportRange can customize;
(4) the alarm record holding time is not less than 5 years.
Alarm inquiry supports the inquiry of alarm record in the following manner:
(1) by plant stand, interval, equipment query;
(2) by plant stand, device, logical device inquiry;
(3) per diem, the moon, year multiple period inquiry;
(4) by the beginning and ending time section inquiry that user specifies;
(5) by alarm level and alarm type inquiry;
(6) inquire about by user-defined mode.
Alarm is shown and is comprised:
(1) multi-page display supported by alarm window, comprising:
1-1) original alarm information page: order shows all alarms chronologically, and by interval and equipment display;
1-2) the general information page: the notification after the analysis of display intelligent alarm, and by interval and equipment display;
1-3) the schedule information page: display intelligent alarm analyze after abnormal, displacement and Threshold Crossing Alert information, and by interval and equipment display;
1-4) the accident information page: the accident warning information after the analysis of display intelligent alarm, and by interval and equipment display;
1-5) overhaul the page: display is in all signals of inspecting state equipment, do not occur in common, advance notice, accident and the non-involution page;
1-6) non-involution alarming page: the warning information showing non-involution according to time sequencing;
1-7) pending alarming page: all information after the analysis of display intelligent alarm, by device class, automatically deletes after manual confirmation;
(2) support to carry out classifying and filtering according to plant stand, electric pressure, interval, device type, equipment, after filtering, only display meets the warning information of current filter condition;
(3) support according to plant stand, electric pressure, interval, device type, device mask signal, masking operation is manually completed by operator, and the warning information of conductively-closed no longer shows; And point out operations staff to carry out masking operation in eye-catching mode, support to double-click the function that alarm bulletin opened in alarm record.
Alarm configuration comprises:
(1) support by substation information automatic acquisition alarm signal and title;
(2) support by substation information automatic acquisition topological sum once/secondary device incidence relation;
(3) configuration tool is provided to modify to intelligent alarm logic;
(4) correctness by signal simulation checking intelligent alarm logic is provided.
The detection of information comprehensive analysis decision-making comprises;
(1) accident integrated information is shown: the fault amount in managing failures moment, recorder data, warning information, definite value, protection version related information, by fault correlation Data classification and arrangement, form the integrated information that fault is complete, for relay protection professional provides the overview display of fault moment information completely;
(2) panorama accident inversion: comprehensive playback is carried out to the panoramic view data of transformer station, thus provide comprehensive data message to support to accident analysis; Described panoramic view data comprises the service data in the status data of power system operation and system operation.
Distributions is estimated to comprise with the detection of data identification:
(1) network topology: cut-off situation according to electric power networks breaker in middle, determines the real-time architecture topology of network, and the topological structure definition in transformer station is that level adds relational structure;
(2) measurement system Analysis on Observability: analyze the measurement system in transformer station, according to measurement system determination network state;
(3) estimation of each measurement information: utilization measurement information, utilizes the feature of P-Q decoupling zero, adopts decomposing state algorithm for estimating to complete the estimation of each measurement information;
(4) raw data detection and identification: comprise the measurement of detection three-phase and whether balance, detect transformer efficiency measurement summation whether to balance, whether detect paired running busbar voltage measures consistent, detect the meritorious of same interval, idle, electric current, voltage, whether power factor measures mates, whether Detection capacitance reactor is idle mates with voltage, detect load tap changer position whether to mate with busbar voltage, whether sense switch disconnecting link position is consistent with measurement, detection limit measures whether measure whether abnormal saltus step occurs at zone of reasonableness and detection limit,
(5) state estimation result exports and statistics examination: the way of output of state estimation result comprises forms mode and graphics mode; Graphics mode refers to direct show state estimated result on substation network winding diagram.
Finally should be noted that: above embodiment is only in order to illustrate that technical scheme of the present invention is not intended to limit; those of ordinary skill in the field still can modify to the specific embodiment of the present invention with reference to above-described embodiment or equivalent replacement; these do not depart from any amendment of spirit and scope of the invention or equivalent replacement, are all applying within the claims of the present invention awaited the reply.
Claims (14)
1. the detection method applied of information comprehensive analysis and intelligent alarm, is characterized in that: said method comprising the steps of:
Detect the senior applied function moduleization design of transformer station whether to meet the requirements;
Determine the classification of alarm letter information, and complete the detection of intelligent alarm and analysis decision;
The detection of information comprehensive analysis decision-making;
Distributions estimates the detection with data identification.
2. the detection method applied of information comprehensive analysis according to claim 1 and intelligent alarm, is characterized in that: detect transformer station's senior applied function moduleization design and whether meet following requirement:
(1) transformer station's integrated monitoring system provides based on the editor at Standard graphical user interface and Core Generator and calling interface;
(2) transformer station's integrated monitoring system provides the access interface of each database;
(3) transformer station's integrated monitoring system provides the network communication applications layer protocol of standard and utility function and calling interface;
(4) operating system follows the opening of IEEE POSIX 1003.0 working group definition;
(5) transformer station meets IEC 61850 standard-required.
3. the detection method applied of information comprehensive analysis according to claim 1 and intelligent alarm, is characterized in that: described warning information is divided into basic alarm, intelligent alarm, statistics alarm according to importance degree and gathers alarm;
(1) basic alarm: when certain attribute generation write operation of object in real-time database, according to rule configuration, calls corresponding rule, according to pre-configured alarm form and alarm behavior, by corresponding data write alarm example;
(2) intelligent alarm: the comprehensive expert system of intelligent alarm is according to information various in transformer station, and the alarm obtained through rational analysis is intelligent alarm;
(3) add up alarm: the source of statistics alarm is basic alarm and gathers alarm, reach when the time that alarm reaches at certain section of time frequency number of times or the alarm continuity preset the time preset, be then considered as triggering new statistics alarm;
(4) gather alarm: gather for gathering alarm by multiple similar basic alarm, when wherein single or two and above alarm occur time, trigger and new gather alarm.
4. the detection method that the information comprehensive analysis according to claim 1 or 3 and intelligent alarm are applied, it is characterized in that: according to the requirement of transformer station's integrated monitoring systems technology functional specification, described intelligent alarm is divided into accident alarm, abnormality alarming, displacement alarm, Threshold Crossing Alert and informs alarm;
(1) accident alarm: arrange electric network fault and equipment fault, comprises the alarm causing switch automatic trip, the tripping operation of unartificial operation, the alarm of protective device action outlet breaker tripping and closing and affect substation safety operation;
(2) abnormality alarming: comprise the alarm of equipment operation exception situation and affect the alarm of equipment remote-control operation, threatening power grid security and equipment to run;
(3) conjugate alarm: the alarm comprising Switch equipment separating brake, "on" position change, directly reflect the change of power system operating mode;
(4) Threshold Crossing Alert: comprise the alarm that remote measurement amount exceeds alarm bound interval, described remote measurement amount mainly comprises that equipment is meritorious, idle, electric current, voltage and main transformer temperature;
(5) alarm is informed: the alarm of reflection grid equipment ruuning situation and state-detection.
5. the detection method applied of information comprehensive analysis according to claim 4 and intelligent alarm, it is characterized in that: according to according to warning information is not done response produce severity of consequence and pressing degree, described intelligent alarm is divided into high priority, medium priority and low priority.
6. the detection method applied of information comprehensive analysis according to claim 5 and intelligent alarm, it is characterized in that: described accident alarm is high priority, described abnormality alarming, displacement alarm and Threshold Crossing Alert be medium priority, described in inform that alarm is low priority.
7. the detection method applied of information comprehensive analysis according to claim 1 and intelligent alarm, is characterized in that: the detection of intelligent alarm and analysis decision comprises alert analysis process, alarm preservation, alarm inquiry, alarm displaying and alarm configuration.
8. the detection method applied of information comprehensive analysis according to claim 7 and intelligent alarm, is characterized in that: alert analysis process comprises alarm suppression, alarm shield, alarm are reported by mistake/failed to report, correlation analysis and Online statistics analysis;
(1) alarm suppresses to comprise:
1-1) support alarm dead band and stagnation function, reduce the alarm triggered number of times under out-of-limit condition;
1-2) support alarm delay feature, suppress alarm shake;
1-3) for the redundant alarm of the same event of reflection of distinct device generation, only answer alarm once;
1-4) suppress the normal processes signal produced in operating process;
When 1-5) there is snowslide, suppress part alarm, only retain the alarm of high priority;
1-6) automatically eliminate the warning information repeated, repeatedly occur for a long time if repeat alarm, make abnormality processing.
(2) alarm shield comprises:
2-1) when overhaul of the equipments or test, the warning information of automatic shield maintenance quality position;
2-2) for the equipment hanging up fault or Sign Board out of service, its warning information of automatic shield;
2-3) carry out masking operation, in case operations staff forgets with eye-catching sign prompting operations staff;
(3) alarm is reported by mistake/is failed to report and comprises:
3-1) identify alarm information loss, alarm information loss shows as the entanglement of sequence number or time;
3-2) identify error signal that is single or batch, single error signal shows as contact bounce, and batch error signal shows as the signal that a group is had no relevance;
3-3) support, to wrong report and the statistical function failing to report equipment, to exceed pre-set limit if report by mistake and fail to report number of times, make abnormality processing;
(4) correlation analysis comprises:
4-1) to the correlation analysis producing alarm signal in course of normal operation, single operation only produces single alarm;
4-2) to the correlation analysis producing alarm signal under fault condition, provide the analysis result of electrical network or equipment fault;
4-3) multiple equipment is produced to sequential and the process analysis of alarm signal, find the equipment deficiency hidden;
(5) Online statistics analysis comprises:
5-1) support the Online statistics to signal retention time and signal number of repetition, if signal retention time and signal number of repetition exceed pre-set limit, generate unit exception alarm;
5-2) support the Online statistics to single equipment alarm information, and can according to the alarm of pre-conditioned generation unit exception;
5-3) support gathering the Online statistics of link with the link warning information that communicates, and can according to pre-conditioned generation abnormality alarming.
9. the detection method applied of information comprehensive analysis according to claim 7 and intelligent alarm, is characterized in that: alarm is preserved and comprised:
(1) all original alarm records and intelligent alarm record are kept in historical data base, do not allow manual amendment;
Described original alarm record comprises time of origin, device name and warning content;
Described intelligent alarm record comprises alarm level, time of origin, device name, warning content, alarm cause and equipment fault situation;
Equipment fault situation comprises circuit breaker position situation of change, relaying protection and automatics action situation, main equipment voltage and load, correlation signal state;
(2) all shieldings for alarm signal and manual confirmation operation is recorded;
(3) support the Trouble Report of deriving TXT form and XML format, ExportRange can customize;
(4) the alarm record holding time is not less than 5 years.
10. the detection method applied of information comprehensive analysis according to claim 7 and intelligent alarm, is characterized in that: alarm inquiry supports the inquiry of alarm record in the following manner:
(1) by plant stand, interval, equipment query;
(2) by plant stand, device, logical device inquiry;
(3) per diem, the moon, year multiple period inquiry;
(4) by the beginning and ending time section inquiry that user specifies;
(5) by alarm level and alarm type inquiry;
(6) inquire about by user-defined mode.
The detection method that 11. information comprehensive analysis according to claim 7 and intelligent alarm are applied, is characterized in that: alarm is shown and comprised:
(1) multi-page display supported by alarm window, comprising:
1-1) original alarm information page: order shows all alarms chronologically, and by interval and equipment display;
1-2) the general information page: the notification after the analysis of display intelligent alarm, and by interval and equipment display;
1-3) the schedule information page: display intelligent alarm analyze after abnormal, displacement and Threshold Crossing Alert information, and by interval and equipment display;
1-4) the accident information page: the accident warning information after the analysis of display intelligent alarm, and by interval and equipment display;
1-5) overhaul the page: display is in all signals of inspecting state equipment, do not occur in common, advance notice, accident and the non-involution page;
1-6) non-involution alarming page: the warning information showing non-involution according to time sequencing;
1-7) pending alarming page: all information after the analysis of display intelligent alarm, by device class, automatically deletes after manual confirmation;
(2) support to carry out classifying and filtering according to plant stand, electric pressure, interval, device type, equipment, after filtering, only display meets the warning information of current filter condition;
(3) support according to plant stand, electric pressure, interval, device type, device mask signal, masking operation is manually completed by operator, and the warning information of conductively-closed no longer shows; And point out operations staff to carry out masking operation in eye-catching mode, support to double-click the function that alarm bulletin opened in alarm record.
The detection method that 12. information comprehensive analysis according to claim 7 and intelligent alarm are applied, is characterized in that: alarm configuration comprises:
(1) support by substation information automatic acquisition alarm signal and title;
(2) support by substation information automatic acquisition topological sum once/secondary device incidence relation;
(3) configuration tool is provided to modify to intelligent alarm logic;
(4) correctness by signal simulation checking intelligent alarm logic is provided.
The detection method that 13. information comprehensive analysis according to claim 1 and intelligent alarm are applied, is characterized in that: the detection of information comprehensive analysis decision-making comprises;
(1) accident integrated information is shown: the fault amount in managing failures moment, recorder data, warning information, definite value, protection version related information, by fault correlation Data classification and arrangement, form the integrated information that fault is complete, for relay protection professional provides the overview display of fault moment information completely;
(2) panorama accident inversion: comprehensive playback is carried out to the panoramic view data of transformer station, thus provide comprehensive data message to support to accident analysis; Described panoramic view data comprises the service data in the status data of power system operation and system operation.
The detection method that 14. information comprehensive analysis according to claim 1 and intelligent alarm are applied, is characterized in that: distributions is estimated to comprise with the detection of data identification:
(1) network topology: cut-off situation according to electric power networks breaker in middle, determines the real-time architecture topology of network, and the topological structure definition in transformer station is that level adds relational structure;
(2) measurement system Analysis on Observability: analyze the measurement system in transformer station, according to measurement system determination network state;
(3) estimation of each measurement information: utilization measurement information, utilizes the feature of P-Q decoupling zero, adopts decomposing state algorithm for estimating to complete the estimation of each measurement information;
(4) raw data detection and identification: comprise the measurement of detection three-phase and whether balance, detect transformer efficiency measurement summation whether to balance, whether detect paired running busbar voltage measures consistent, detect the meritorious of same interval, idle, electric current, voltage, whether power factor measures mates, whether Detection capacitance reactor is idle mates with voltage, detect load tap changer position whether to mate with busbar voltage, whether sense switch disconnecting link position is consistent with measurement, detection limit measures whether measure whether abnormal saltus step occurs at zone of reasonableness and detection limit,
(5) state estimation result exports and statistics examination: the way of output of state estimation result comprises forms mode and graphics mode; Graphics mode refers to direct show state estimated result on substation network winding diagram.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510038555.XA CN104578426B (en) | 2015-01-26 | 2015-01-26 | Detection method for information comprehensive analysis and intelligent alarming application |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510038555.XA CN104578426B (en) | 2015-01-26 | 2015-01-26 | Detection method for information comprehensive analysis and intelligent alarming application |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104578426A true CN104578426A (en) | 2015-04-29 |
| CN104578426B CN104578426B (en) | 2017-01-11 |
Family
ID=53093870
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510038555.XA Active CN104578426B (en) | 2015-01-26 | 2015-01-26 | Detection method for information comprehensive analysis and intelligent alarming application |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104578426B (en) |
Cited By (21)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104932308A (en) * | 2015-06-04 | 2015-09-23 | 哈尔滨新世通电器有限公司 | Brand new design control screen and control method for waterpower plant and pumping station |
| CN105353232A (en) * | 2015-09-26 | 2016-02-24 | 国网山东省电力公司济南供电公司 | Abnormal alarm method for distribution automation system and abnormal alarm device for distribution automation system |
| CN105488118A (en) * | 2015-11-23 | 2016-04-13 | 国网北京市电力公司 | Electrical equipment fault information display method and device |
| CN106528818A (en) * | 2016-11-17 | 2017-03-22 | 广东电网有限责任公司江门供电局 | Method and device for processing direct transmission information of alarm signal |
| CN106709048A (en) * | 2017-01-05 | 2017-05-24 | 无锡江南计算技术研究所 | High-performance computing-oriented distributed data organization method |
| CN107147213A (en) * | 2017-04-28 | 2017-09-08 | 国家电网公司 | Power network takes place frequently monitoring information intelligent alarm and comprehensive analysis administering method |
| CN107171436A (en) * | 2017-05-08 | 2017-09-15 | 国网山东省电力公司烟台供电公司 | It is a kind of automatic screening information and the supervising device and its monitoring method of crash analysis to be carried out |
| CN107276046A (en) * | 2017-06-16 | 2017-10-20 | 国网辽宁省电力有限公司电力科学研究院 | Intelligent grid realizes the abnormal Intelligent Recognition of relay protection and pre-warning system and method |
| CN107330970A (en) * | 2017-06-15 | 2017-11-07 | 新奥泛能网络科技股份有限公司 | A kind of threedimensional model processing method, server and computer read/write memory medium |
| CN107341591A (en) * | 2017-06-15 | 2017-11-10 | 国网浙江省电力公司嘉兴供电公司 | A kind of transformer station's warning information Intelligent statistical analysis system and method |
| CN107608291A (en) * | 2017-09-29 | 2018-01-19 | 中国电力科学研究院 | A kind of intelligent substation application function linkage rule verification method and system |
| CN107681786A (en) * | 2017-11-13 | 2018-02-09 | 国网江西省电力有限公司 | A kind of substation equipment monitoring information alerts the secondary method being intelligently classified |
| CN107872062A (en) * | 2017-12-22 | 2018-04-03 | 国网河北省电力有限公司衡水供电分公司 | A kind of anti-method for sending reactive limit value |
| CN108563652A (en) * | 2017-12-20 | 2018-09-21 | 海南电网有限责任公司 | Reference information sorting technique based on brute-force searching algorithm |
| CN110443721A (en) * | 2019-05-29 | 2019-11-12 | 云南电网有限责任公司 | Cross-platform dispatching of power netwoks operation information unifies exchange method and system |
| CN110687473A (en) * | 2019-09-27 | 2020-01-14 | 国网四川省电力公司电力科学研究院 | Fault positioning method and system for relay protection test of intelligent substation |
| CN111024120A (en) * | 2019-11-25 | 2020-04-17 | 国网上海市电力公司 | Inspection method of intelligent electric well lid inclination angle monitoring device |
| CN111416439A (en) * | 2020-03-26 | 2020-07-14 | 广东电网有限责任公司 | Panoramic data integration and intelligent warning system for transformer substation |
| CN113660637A (en) * | 2021-08-17 | 2021-11-16 | 安徽江淮汽车集团股份有限公司 | Driving danger condition arbitration method based on vehicle-road cooperative system |
| CN114553560A (en) * | 2022-02-25 | 2022-05-27 | 国网山东省电力公司临沂供电公司 | Network security alarm intelligent analysis platform based on big data technology |
| CN116388402A (en) * | 2023-06-05 | 2023-07-04 | 成都交大光芒科技股份有限公司 | Abnormality alarm analysis method applied to power transformation equipment |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101043152A (en) * | 2006-03-24 | 2007-09-26 | 上海市电力公司 | Intelligent decision support system for urban power grid accidents |
| CN102708472A (en) * | 2012-06-20 | 2012-10-03 | 江西省电力公司超高压分公司 | Intelligent processing method for warning information of combined power grid |
| CN103117602A (en) * | 2013-03-11 | 2013-05-22 | 辽宁省电力有限公司 | Method for automatically reporting composite accidents in relay protection intelligence online running management system |
| CN104133986A (en) * | 2014-07-10 | 2014-11-05 | 国家电网公司 | Multi-business-object-oriented distribution network warning information integrated rational analysis method |
-
2015
- 2015-01-26 CN CN201510038555.XA patent/CN104578426B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101043152A (en) * | 2006-03-24 | 2007-09-26 | 上海市电力公司 | Intelligent decision support system for urban power grid accidents |
| CN102708472A (en) * | 2012-06-20 | 2012-10-03 | 江西省电力公司超高压分公司 | Intelligent processing method for warning information of combined power grid |
| CN103117602A (en) * | 2013-03-11 | 2013-05-22 | 辽宁省电力有限公司 | Method for automatically reporting composite accidents in relay protection intelligence online running management system |
| CN104133986A (en) * | 2014-07-10 | 2014-11-05 | 国家电网公司 | Multi-business-object-oriented distribution network warning information integrated rational analysis method |
Cited By (33)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104932308A (en) * | 2015-06-04 | 2015-09-23 | 哈尔滨新世通电器有限公司 | Brand new design control screen and control method for waterpower plant and pumping station |
| CN105353232A (en) * | 2015-09-26 | 2016-02-24 | 国网山东省电力公司济南供电公司 | Abnormal alarm method for distribution automation system and abnormal alarm device for distribution automation system |
| CN105353232B (en) * | 2015-09-26 | 2018-06-26 | 国网山东省电力公司济南供电公司 | A kind of abnormality alarming method and device for electrical power distribution automatization system |
| CN105488118A (en) * | 2015-11-23 | 2016-04-13 | 国网北京市电力公司 | Electrical equipment fault information display method and device |
| CN105488118B (en) * | 2015-11-23 | 2019-03-26 | 国网北京市电力公司 | The methods of exhibiting and device of electrical equipment malfunction information |
| CN106528818B (en) * | 2016-11-17 | 2019-07-16 | 广东电网有限责任公司江门供电局 | Alarm signal direct transfers information processing method and device |
| CN106528818A (en) * | 2016-11-17 | 2017-03-22 | 广东电网有限责任公司江门供电局 | Method and device for processing direct transmission information of alarm signal |
| CN106709048A (en) * | 2017-01-05 | 2017-05-24 | 无锡江南计算技术研究所 | High-performance computing-oriented distributed data organization method |
| CN106709048B (en) * | 2017-01-05 | 2019-11-15 | 无锡江南计算技术研究所 | A kind of distributed data method for organizing towards high-performance calculation |
| CN107147213A (en) * | 2017-04-28 | 2017-09-08 | 国家电网公司 | Power network takes place frequently monitoring information intelligent alarm and comprehensive analysis administering method |
| CN107147213B (en) * | 2017-04-28 | 2020-04-17 | 国家电网公司 | Intelligent alarming and comprehensive analysis and treatment method for frequent monitoring information of power grid |
| CN107171436A (en) * | 2017-05-08 | 2017-09-15 | 国网山东省电力公司烟台供电公司 | It is a kind of automatic screening information and the supervising device and its monitoring method of crash analysis to be carried out |
| CN107171436B (en) * | 2017-05-08 | 2020-02-28 | 国网山东省电力公司烟台供电公司 | Monitoring device capable of automatically screening information and analyzing accidents and monitoring method thereof |
| CN107330970A (en) * | 2017-06-15 | 2017-11-07 | 新奥泛能网络科技股份有限公司 | A kind of threedimensional model processing method, server and computer read/write memory medium |
| CN107341591A (en) * | 2017-06-15 | 2017-11-10 | 国网浙江省电力公司嘉兴供电公司 | A kind of transformer station's warning information Intelligent statistical analysis system and method |
| CN107341591B (en) * | 2017-06-15 | 2020-06-05 | 国网浙江省电力公司嘉兴供电公司 | Intelligent statistical analysis system and method for substation warning information |
| CN107276046A (en) * | 2017-06-16 | 2017-10-20 | 国网辽宁省电力有限公司电力科学研究院 | Intelligent grid realizes the abnormal Intelligent Recognition of relay protection and pre-warning system and method |
| CN107608291A (en) * | 2017-09-29 | 2018-01-19 | 中国电力科学研究院 | A kind of intelligent substation application function linkage rule verification method and system |
| CN107681786A (en) * | 2017-11-13 | 2018-02-09 | 国网江西省电力有限公司 | A kind of substation equipment monitoring information alerts the secondary method being intelligently classified |
| CN107681786B (en) * | 2017-11-13 | 2020-07-17 | 国网江西省电力有限公司 | Secondary intelligent grading method for monitoring information alarm of transformer substation equipment |
| CN108563652A (en) * | 2017-12-20 | 2018-09-21 | 海南电网有限责任公司 | Reference information sorting technique based on brute-force searching algorithm |
| CN107872062A (en) * | 2017-12-22 | 2018-04-03 | 国网河北省电力有限公司衡水供电分公司 | A kind of anti-method for sending reactive limit value |
| CN110443721A (en) * | 2019-05-29 | 2019-11-12 | 云南电网有限责任公司 | Cross-platform dispatching of power netwoks operation information unifies exchange method and system |
| CN110687473B (en) * | 2019-09-27 | 2021-08-03 | 国网四川省电力公司电力科学研究院 | Fault positioning method and system for relay protection test of intelligent substation |
| CN110687473A (en) * | 2019-09-27 | 2020-01-14 | 国网四川省电力公司电力科学研究院 | Fault positioning method and system for relay protection test of intelligent substation |
| CN111024120A (en) * | 2019-11-25 | 2020-04-17 | 国网上海市电力公司 | Inspection method of intelligent electric well lid inclination angle monitoring device |
| CN111416439A (en) * | 2020-03-26 | 2020-07-14 | 广东电网有限责任公司 | Panoramic data integration and intelligent warning system for transformer substation |
| CN113660637A (en) * | 2021-08-17 | 2021-11-16 | 安徽江淮汽车集团股份有限公司 | Driving danger condition arbitration method based on vehicle-road cooperative system |
| CN113660637B (en) * | 2021-08-17 | 2023-08-18 | 安徽江淮汽车集团股份有限公司 | Driving dangerous condition arbitration method based on vehicle-road cooperative system |
| CN114553560A (en) * | 2022-02-25 | 2022-05-27 | 国网山东省电力公司临沂供电公司 | Network security alarm intelligent analysis platform based on big data technology |
| CN114553560B (en) * | 2022-02-25 | 2024-01-30 | 国网山东省电力公司临沂供电公司 | Intelligent network security alarm analysis platform based on big data technology |
| CN116388402A (en) * | 2023-06-05 | 2023-07-04 | 成都交大光芒科技股份有限公司 | Abnormality alarm analysis method applied to power transformation equipment |
| CN116388402B (en) * | 2023-06-05 | 2023-08-29 | 成都交大光芒科技股份有限公司 | Abnormality alarm analysis method applied to power transformation equipment |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104578426B (en) | 2017-01-11 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104578426B (en) | Detection method for information comprehensive analysis and intelligent alarming application | |
| CN104753178A (en) | Power grid fault handling system | |
| CN102937685B (en) | The integrated testing platform of a kind of transformer station based on Real-time Simulation Technology | |
| CN108318782B (en) | Power distribution network fault area identification method based on network topology and distribution transformer power failure information | |
| CN101989766B (en) | Method for diagnosing faults of power system on the basis of protecting action chain | |
| CN102035202B (en) | Network reconfiguration system | |
| CN110346717A (en) | A kind of artificial intelligence high-voltage circuitbreaker on-line monitoring system and method | |
| CN105093033A (en) | Power grid multi-source information-based fault integrated analysis system and analysis method | |
| CN108988487B (en) | Power grid power failure event identification method based on multidimensional data | |
| CN102123045A (en) | Modeling method for high-voltage equipment on-line monitoring systems based on international electro-technical commission (IEC) 61850 | |
| CN107168197A (en) | Intelligent grid secondary device remote-control method | |
| CN104880629B (en) | The remote diagnosis method of dispatching terminal protection element action behavior | |
| CN108876197B (en) | Power equipment cluster and group analysis system | |
| CN108666992A (en) | Electric network fault comprehensive analysis platform and working method | |
| CN103227450B (en) | On-line failure recovery method and system | |
| CN103986238A (en) | Intelligent substation fault diagnosis method based on probability weighting bipartite graph method | |
| CN103956831A (en) | Intelligent diagnosis method for alarming of phase loss of power transmission line distribution transformer | |
| CN103208049A (en) | Quick accident analysis method and system for abnormal alarm | |
| CN104393674A (en) | Intelligent transformer station electronic mutual inductor state monitoring system and method | |
| CN111327474B (en) | Power system fault diagnosis method based on topology analysis | |
| CN112054510B (en) | Method for estimating abnormal operation state of power system | |
| CN114172271B (en) | Intelligent alarm test method, system and equipment for online monitoring control function of master station | |
| CN111525520B (en) | Accident total or protection method, device, equipment and storage medium | |
| CN110231523B (en) | Gas protection fault recording device and method for oil-immersed power transformer | |
| CN113708489A (en) | Electric power secondary equipment warning method and system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |