CN110738330A - intelligent report generation method based on scheduling prefecture-county integrated control system - Google Patents

intelligent report generation method based on scheduling prefecture-county integrated control system Download PDF

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CN110738330A
CN110738330A CN201910855124.0A CN201910855124A CN110738330A CN 110738330 A CN110738330 A CN 110738330A CN 201910855124 A CN201910855124 A CN 201910855124A CN 110738330 A CN110738330 A CN 110738330A
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report
analysis
equipment
intelligent
alarm
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CN110738330B (en
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徐奇锋
黄健
倪秋龙
马翔
谷炜
李有春
赵寿生
蒋正威
沈曦
吴烨
张锋
董立
童存智
张小聪
杨靖萍
杜浩良
阙玲燕
支月媚
费咏攀
周东波
吴炳超
宋昕
方璇
吕磊炎
谢夏慧
康龙
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State Grid Corp of China SGCC
State Grid Zhejiang Electric Power Co Ltd
Jinhua Power Supply Co of State Grid Zhejiang Electric Power Co Ltd
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State Grid Corp of China SGCC
State Grid Zhejiang Electric Power Co Ltd
Jinhua Power Supply Co of State Grid Zhejiang Electric Power Co Ltd
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    • YGENERAL 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
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Abstract

The invention provides report systems based on a scheduling prefecture integrated control system, which comprise a report demand module, a report data acquisition module and a report generation module, wherein the report generation module intelligently monitors a report generation submodule, a power grid event report generation submodule and an intelligent analysis report generation submodule.

Description

intelligent report generation method based on scheduling prefecture-county integrated control system
Technical Field
The invention relates to the technical field of power grid information, in particular to an intelligent report generation method based on a integrated control system of a scheduling prefecture and county.
Background
Around the development targets of ' strong three excellent' modern companies and 'two changes', the production mode of a smart power grid is changed from the strategic development level of the company, the application requirements of the field of power grid dispatching control on new technologies such as artificial intelligence, cloud computing, big data and the like are more and more, the requirements of monitoring and establishing monitoring information eventing rules for power grid dispatching information monitoring and monitoring information real-time monitoring are very urgent, and the current power grid dispatching method aiming at the integrated control system of the dispatching prefecture is still incomplete, so that intelligent report generation methods based on the integrated control system of the dispatching prefecture are provided by the invention.
Disclosure of Invention
In order to solve the problem that a power grid dispatching method of a dispatching prefecture-county integrated control system is incomplete, the invention provides intelligent report generation methods based on a dispatching prefecture-county integrated control system, and the functions of intelligent monitoring of power grid dispatching, intelligent fault analysis of power grid dispatching and intelligent information analysis of power grid dispatching are realized.
In order to achieve the above purpose, the present invention provides the following technical solutions:
report system based on scheduling prefecture integrated control system, comprising,
the report requirement module receives report requirement data input by a user;
the report data acquisition module is used for receiving the report demand data in the report demand module, and inquiring and acquiring the basic data for generating the report in the control system of the dispatching prefecture and county;
and the report generation module is used for receiving the basic data of the report data acquisition module, generating a report and showing the report to a client.
In addition, the data of the user requirements are acquired in real time by the report demand module, the corresponding report is generated in real time by the report generation module, real-time monitoring can be carried out on the data of the scheduling prefecture- integrated control system, the monitoring capability of the power grid is enhanced, the analysis and disposal efficiency of power grid events is improved, and the daily work efficiency of the power grid scheduling monitoring personnel is effectively improved.
Preferably, the report generating module includes a report generating module,
the intelligent monitoring report generation submodule is used for generating a power grid information monitoring report and an intelligent reminding report;
the power grid event report generation submodule is used for generating an equipment fault push report and a defect analysis report;
and the intelligent analysis report generation submodule is used for generating an automatic statistical report.
A method for generating an intelligent report based on integrated control system of dispatching prefecture and county, wherein a report system based on integrated control system of dispatching prefecture and county comprises the following steps:
generating a power grid information monitoring report by using an intelligent monitoring report generation submodule;
generating an intelligent reminding report by using an intelligent monitoring report generation submodule;
generating a sub-module by utilizing the power grid event report, and generating an equipment fault push report;
generating a sub-module by using the power grid event report to generate a defect analysis report;
and the intelligent analysis report generation submodule generates an automatic statistical report.
Preferably, the power grid information monitoring report comprises alarm information correlation analysis display, the alarm information is correlated with the maintenance list by combining with the maintenance work record of the regulation cloud, automatic correlation and auxiliary correlation of signals are completed, and the alarm information correlation analysis report is displayed; the alarm information correlation analysis display comprises the following steps,
analyzing the accident alarm to generate an accident alarm analysis report; secondary analysis is carried out on the accident alarm after the maintenance signal is screened out according to the signal analysis result;
the method comprises the following specific steps:
1) if the accident total and protection actions and the switch deflection signals which belong to the same interval exist at the same time, the accident is the equipment trip accident, and an accident report form is generated, wherein the accident report form comprises the field time notification, the field contact person, the report scheduling time, the scheduling contact person and the field report content;
2) only the accident signal is detected, and no switch displacement signal exists, whether the switch position condition and the switch tide data meet the accident condition or not needs to be judged, if so, the judgment is carried out according to the rule, otherwise, the monitoring personnel is fed back to handle, the alarm information is associated with the treatment result of the monitoring personnel, and the treatment content comprises treatment time, the treatment personnel, the type of the treatment result and remarks;
analyzing the abnormal alarm to generate an abnormal alarm analysis report;
carrying out secondary analysis on abnormal alarms according to the signal analysis result, namely after the maintenance signals are screened out, wherein the secondary analysis is mainly aimed at the alarms which are not reset and frequently sent;
the frequently-sent alarm refers to the alarm that the alarm number exceeds the threshold value in time period, including the alarm data volume frequently sent in the day exceeds 30 times and the number exceeds 10 times in continuous 1 hour;
judging whether the alarm signal obtained by analysis can find a corresponding disposal rule in an experience rule base or not, if not, informing an on-duty monitoring person to dispose, and judging subsequent disposal by the monitoring person, wherein the subsequent disposal operation comprises the following steps: mistakenly sending a signal, contacting an operation and maintenance class by a robot, contacting and scheduling the robot, and contacting and scheduling the robot; if so, processing according to a processing rule;
the method comprises the steps of generating an out-of-limit alarm analysis report, carrying out secondary analysis on out-of-limit alarms according to signal analysis results after screening maintenance signals, carrying out special treatment aiming at power supply protection equipment, carrying out special treatment, wherein the special treatment comprises regular automatic inspection, carrying out state analysis on all power supply protection equipment states, feeding results back to monitoring personnel, preferably reminding when out-of-limit occurs, and adopting different rules for the out-of-limit treatment of the equipment according to different equipment types.
The power grid information monitoring report forms monitor and alarm information through analyzing the information, abnormity, out-of-limit and displacement of the EMS, and the operation conditions of equipment with unreversing action, frequent sending, unconfirmed or confirmed overtime, telemetering jump, channel abnormity or other equipment set as important power protection and the like; the abnormal operation of equipment in the station is automatically identified, the grounding switch is automatically closed, data are summarized and a power grid information monitoring report is generated, the power grid information monitoring report can inform abnormal information to transformer substation operating personnel through a telephone, and the current value monitoring personnel can be reminded of timely handling the abnormal information through voice.
Preferably, the intelligent reminding report comprises the following items,
the intelligent reminding report also comprises abnormal event reminding, automatic signal checking and equipment operation checking, and if abnormity is found, the intelligent reminding report timely issues voice reminding to monitoring personnel to guide the monitoring personnel to intervene in treatment in time;
reminding fault events, namely carrying out fault voice reminding at th time when a fault occurs, and guiding a monitor to finish accident handling;
the intelligent reminding report is used for automatically generating the intelligent reminding report based on the analysis result of the regulation and control treatment and combining with the message reminding rule, is used for the work of message pushing and reminding, and pushes th time of a message which needs to be known by a monitor to check.
Preferably, the equipment failure push report includes,
the equipment fault push report also has a signal analysis evenization function, the process of the evenization analysis of the alarm signal is completed in a short time, and the signal omission and the misjudgment rate are controlled in a smaller range before higher analysis is ensured;
the equipment fault push report can issue fault alarms in time and automatically generate a fault brief report, wherein the fault brief report comprises topology, tide, state displacement and recording information before and after the accident;
the equipment fault push report monitors the accident processing progress and the signal resetting state from the occurrence of the fault, and automatically generates a fault analysis report in a default template format after the accident processing and the signal elimination, wherein the fault analysis report comprises topology before and after the accident, power flow, state displacement, wave recording and accident processing process information;
the equipment fault push report forms analyze signals, quickly analyze and filter the content of the signals when the accident signals happen, automatically classify and bind the signals pointing to different types of events, generate the equipment fault push report forms at time, can give a fault alarm to monitoring personnel, and guide the monitoring personnel to complete accident information confirmation and report.
Preferably, the defect analysis report includes,
the intelligent defect pushing and association display can actively discover abnormal equipment information in the processes of signal monitoring, automatic signal checking and operation checking, actively associate and push historical defect information of the equipment, and assist monitoring personnel to narrow the investigation range;
performing multidimensional statistics and display on the power grid defects, wherein the multidimensional statistics and display on historical defects comprise the ranking of frequent mainstream defects, annual high-rise defects and contemporaneous high-rise defects of various equipment types; the defect analysis report further comprises a power grid defect fast query function, monitoring personnel can set device attribute information to filter and query common defect information of the devices, and can query high-frequency device and substation information of the devices through types of the defects.
The power grid defect quick inquiry method has the advantages that the power grid defect quick inquiry method can set the equipment attribute information by monitoring personnel to filter and inquire the common defect information of the equipment, and can inquire the high-frequency equipment and transformer substation information of the equipment according to the type of the defect.
Preferably, the automatic statistical report automatically generates a heavy load report, a credit protection substation report, a monitoring monthly report, a daily operation analysis report, an information analysis report and a special analysis statistical report according to a set report template;
the automatic statistical report has a hidden danger troubleshooting function, hidden danger troubleshooting and safety risk assessment comprehensive analysis are carried out according to various reports, the hidden danger troubleshooting is to find out common points between out-of-limit and fault events by utilizing big data, and the hidden danger troubleshooting comprises statistical analysis of the frequent occurrence times of a type fault in the same equipment and periods of different transformer substations.
The invention realizes the functions of power grid dispatching intelligent monitoring, power grid dispatching intelligent fault analysis and power grid dispatching intelligent information analysis, comprehensively improves the power grid perception and intelligent disposal level, enhances the monitoring capability of the power grid, improves the power grid event analysis disposal efficiency, lightens the working pressure of regulating and controlling personnel, and effectively improves the daily working efficiency of power grid dispatching monitoring personnel.
Drawings
FIG. 1 is a block diagram of the system of the present invention.
Detailed Description
Example (b):
the embodiment proposes reporting systems based on the prefecture and county integrated control system, which, with reference to fig. 1, includes,
the report requirement module receives report requirement data input by a user;
the report data acquisition module is used for receiving the report demand data in the report demand module, and inquiring and acquiring the basic data for generating the report in the control system of the dispatching prefecture and county;
and the report generation module is used for receiving the basic data of the report data acquisition module, generating a report and showing the report to a client.
The report generation module comprises an intelligent monitoring report generation submodule for generating a power grid information monitoring report and an intelligent reminding report; the power grid event report generation submodule is used for generating an equipment fault push report and a defect analysis report; and the intelligent analysis report generation submodule is used for generating an automatic statistical report.
In addition, the data of the user requirements are acquired in real time by the report demand module, the corresponding report is generated in real time by the report generation module, real-time monitoring can be carried out on the data of the scheduling prefecture- integrated control system, the monitoring capability of the power grid is enhanced, the analysis and disposal efficiency of power grid events is improved, and the daily work efficiency of the power grid scheduling monitoring personnel is effectively improved.
intelligent report generation methods based on integrated control systems of dispatching places and counties, adopting the report systems based on integrated control systems of dispatching places and counties, comprising the following steps:
generating a power grid information monitoring report by using an intelligent monitoring report generation submodule;
the power grid information monitoring report comprises alarm information correlation analysis display, the alarm information is correlated with the maintenance list by combining with the maintenance work record of the regulation cloud, automatic correlation and auxiliary correlation of signals are completed, and an alarm information correlation analysis report is displayed; the alarm information correlation analysis display comprises the following steps,
analyzing the accident alarm to generate an accident alarm analysis report; secondary analysis is carried out on the accident alarm after the maintenance signal is screened out according to the signal analysis result;
the method comprises the following specific steps:
1) if the accident total and protection actions and the switch deflection signals which belong to the same interval exist at the same time, the accident is the equipment trip accident, and an accident report form is generated, wherein the accident report form comprises the field time notification, the field contact person, the report scheduling time, the scheduling contact person and the field report content;
2) only the accident signal is detected, and no switch displacement signal exists, whether the switch position condition and the switch tide data meet the accident condition or not needs to be judged, if so, the judgment is carried out according to the rule, otherwise, the monitoring personnel is fed back to handle, the alarm information is associated with the treatment result of the monitoring personnel, and the treatment content comprises treatment time, the treatment personnel, the type of the treatment result and remarks;
performing secondary analysis on abnormal alarms according to signal analysis results, namely screening maintenance signals, and mainly aiming at unreturned alarms and frequent alarms, wherein the unreturned alarms refer to alarms with action duration exceeding a threshold value and comprise unreturned alarms for more than 2 minutes, the frequent alarms refer to alarms with alarm quantity exceeding the threshold value within time periods, comprise frequently-sent alarms with data quantity exceeding 30 times and continuously exceeding 10 times within 1 hour, judging whether the alarm signals obtained through analysis can find corresponding handling rules in an experience rule base, if not, informing an on-duty monitoring person to handle, judging subsequent handling by the monitoring person, and if so, carrying out the handling according to the handling rules;
the method comprises the steps of generating an out-of-limit alarm analysis report, carrying out secondary analysis on out-of-limit alarms according to signal analysis results after screening maintenance signals, carrying out special treatment aiming at power supply protection equipment, carrying out special treatment, wherein the special treatment comprises regular automatic inspection, carrying out state analysis on all power supply protection equipment states, feeding results back to monitoring personnel, preferably reminding when out-of-limit occurs, and adopting different rules for the out-of-limit treatment of the equipment according to different equipment types.
The power grid information monitoring report forms monitor and alarm information through analyzing the information, abnormity, out-of-limit and displacement of the EMS, and the operation conditions of equipment with unreversing action, frequent sending, unconfirmed or confirmed overtime, telemetering jump, channel abnormity or other equipment set as important power protection and the like; the abnormal operation of equipment in the station is automatically identified, the grounding switch is automatically closed, data are summarized and a power grid information monitoring report is generated, the power grid information monitoring report can inform abnormal information to transformer substation operating personnel through a telephone, and the current value monitoring personnel can be reminded of timely handling the abnormal information through voice.
Generating an intelligent reminding report by using an intelligent monitoring report generation submodule;
the intelligent reminding report form comprises the following steps of,
the intelligent reminding report also comprises abnormal event reminding, automatic signal checking and equipment operation checking, and if abnormity is found, the intelligent reminding report timely issues voice reminding to monitoring personnel to guide the monitoring personnel to intervene in treatment in time;
reminding fault events, namely carrying out fault voice reminding at th time when a fault occurs, and guiding a monitor to finish accident handling;
the intelligent reminding report is used for automatically generating the intelligent reminding report based on the analysis result of the regulation and control treatment and combining with the message reminding rule, is used for the work of message pushing and reminding, and pushes th time of a message which needs to be known by a monitor to check.
Generating a sub-module by utilizing the power grid event report, and generating an equipment fault push report;
the equipment failure push report includes the following items,
the equipment fault push report also has a signal analysis evenization function, the process of the evenization analysis of the alarm signal is completed in a short time, and the signal omission and the misjudgment rate are controlled in a smaller range before higher analysis is ensured;
the equipment fault push report can issue fault alarms in time and automatically generate a fault brief report, wherein the fault brief report comprises topology, tide, state displacement and recording information before and after the accident;
the equipment fault push report monitors the accident processing progress and the signal resetting state from the occurrence of the fault, and automatically generates a fault analysis report in a default template format after the accident processing and the signal elimination, wherein the fault analysis report comprises topology before and after the accident, power flow, state displacement, wave recording and accident processing process information;
the equipment fault push report forms analyze signals, quickly analyze and filter the content of the signals when the accident signals happen, automatically classify and bind the signals pointing to different types of events, generate the equipment fault push report forms at time, can give a fault alarm to monitoring personnel, and guide the monitoring personnel to complete accident information confirmation and report.
Generating a sub-module by using the power grid event report to generate a defect analysis report;
the defect analysis report includes a report of the defect analysis,
the intelligent defect pushing and association display can actively discover abnormal equipment information in the processes of signal monitoring, automatic signal checking and operation checking, actively associate and push historical defect information of the equipment, and assist monitoring personnel to narrow the investigation range;
performing multidimensional statistics and display on the power grid defects, wherein the multidimensional statistics and display on historical defects comprise the ranking of frequent mainstream defects, annual high-rise defects and contemporaneous high-rise defects of various equipment types; the defect analysis report further comprises a power grid defect fast query function, monitoring personnel can set device attribute information to filter and query common defect information of the devices, and can query high-frequency device and substation information of the devices through types of the defects.
The power grid defect quick inquiry method has the advantages that the power grid defect quick inquiry method can set the equipment attribute information by monitoring personnel to filter and inquire the common defect information of the equipment, and can inquire the high-frequency equipment and transformer substation information of the equipment according to the type of the defect.
And the intelligent analysis report generation submodule generates an automatic statistical report.
The automatic statistical report automatically generates a heavy load report, a credit protection substation report, a monitoring monthly report, a daily operation analysis report, an information analysis report and a special analysis statistical report according to a set report template;
the automatic statistical report has a hidden danger troubleshooting function, hidden danger troubleshooting and safety risk assessment comprehensive analysis are carried out according to various reports, the hidden danger troubleshooting is to find out common points between out-of-limit and fault events by utilizing big data, and the hidden danger troubleshooting comprises statistical analysis of the frequent occurrence times of a type fault in the same equipment and periods of different transformer substations.
The invention realizes the functions of power grid dispatching intelligent monitoring, power grid dispatching intelligent fault analysis and power grid dispatching intelligent information analysis, comprehensively improves the power grid perception and intelligent disposal level, enhances the monitoring capability of the power grid, improves the power grid event analysis disposal efficiency, lightens the working pressure of regulating and controlling personnel, and effectively improves the daily working efficiency of power grid dispatching monitoring personnel.

Claims (8)

1, report system based on integrated control system of dispatching county, which is characterized in that the report system comprises,
the report requirement module receives report requirement data input by a user;
the report data acquisition module is used for receiving the report demand data in the report demand module, and inquiring and acquiring the basic data for generating the report in the control system of the dispatching prefecture and county;
and the report generation module is used for receiving the basic data of the report data acquisition module, generating a report and showing the report to a client.
2. The reporting system based on the prefecture- integrated control system as claimed in claim 1, wherein the report generation module comprises,
the intelligent monitoring report generation submodule is used for generating a power grid information monitoring report and an intelligent reminding report;
the power grid event report generation submodule is used for generating an equipment fault push report and a defect analysis report;
and the intelligent analysis report generation submodule is used for generating an automatic statistical report.
3, intelligent report generation method based on integrated control system of dispatching ground, adopting report system based on integrated control system of dispatching ground of claim 2, characterized by comprising the following steps:
generating a power grid information monitoring report by using an intelligent monitoring report generation submodule;
generating an intelligent reminding report by using an intelligent monitoring report generation submodule;
generating a sub-module by utilizing the power grid event report, and generating an equipment fault push report;
generating a sub-module by using the power grid event report to generate a defect analysis report;
and the intelligent analysis report generation submodule generates an automatic statistical report.
4. The intelligent report generation method based on the prefecture-county integrated control system of claim 3 wherein the grid information monitoring report includes alarm information correlation analysis presentation, which associates the alarm information with the overhaul schedule by combining the overhaul work record of the regulation cloud, completes the automatic association and auxiliary association of the signals, and presents the alarm information correlation analysis report, the alarm information correlation analysis presentation includes,
analyzing the accident alarm to generate an accident alarm analysis report; secondary analysis is carried out on the accident alarm after the maintenance signal is screened out according to the signal analysis result;
analyzing the abnormal alarm to generate an abnormal alarm analysis report;
carrying out secondary analysis on abnormal alarms according to the signal analysis result, namely after the maintenance signals are screened out, wherein the secondary analysis is mainly aimed at the alarms which are not reset and frequently sent;
the non-resetting alarm refers to an alarm that the action duration exceeds a threshold value, and comprises non-resetting after exceeding 2 minutes;
the frequent alarm refers to the alarm that the alarm quantity exceeds the threshold value in time periods, and comprises that the alarm data quantity frequently sent in the day exceeds 30 times, and the quantity exceeds 10 times in continuous 1 hour;
judging whether the alarm signal obtained by analysis can find a corresponding disposal rule in an experience rule base or not, if not, informing an on-duty monitoring person to dispose, and judging subsequent disposal by the monitoring person, wherein the subsequent disposal operation comprises the following steps: mistakenly sending a signal, contacting an operation and maintenance class by a robot, contacting and scheduling the robot, and contacting and scheduling the robot; if so, processing according to a processing rule;
the method comprises the steps of generating an out-of-limit alarm analysis report, carrying out secondary analysis on out-of-limit alarms according to signal analysis results after screening maintenance signals, carrying out special treatment on equipment for power protection, wherein the special treatment comprises regular automatic inspection, carrying out times of state analysis on the states of all equipment for power protection and feeding back results to monitoring personnel, and the special treatment also comprises the steps of preferably reminding when out-of-limit occurs and adopting different rules for the out-of-limit treatment of the equipment according to different equipment types.
5. The intelligent report form generation method based on the prefecture-county integrated control system, in which the intelligent reminding report form includes,
the intelligent reminding report also comprises abnormal event reminding, automatic signal checking and equipment operation checking, and if abnormity is found, the intelligent reminding report timely issues voice reminding to monitoring personnel to guide the monitoring personnel to intervene in treatment in time;
and (4) reminding of fault events, wherein when faults occur, the th time carries out fault voice reminding to guide a monitor to finish accident treatment.
6. The intelligent report generation method based on the Schedule prefecture integrated control system of claim 3, wherein the equipment failure push report includes,
the equipment fault push report has a signal analysis evenization function, the process of the evenization analysis of the alarm signal is completed in a short time, and the signal omission and the misjudgment rate are controlled within a range determined by before higher analysis can be ensured;
the equipment fault push report can issue fault alarms in time and automatically generate a fault brief report, wherein the fault brief report comprises topology, tide, state displacement and recording information before and after the accident;
the equipment fault push report monitors the accident processing progress and the signal resetting state from the occurrence of the fault, and automatically generates a fault analysis report in a default template format after the accident processing and the signal elimination, wherein the fault analysis report comprises topology, power flow, state displacement, wave recording and accident processing process information before and after the accident.
7. The intelligent report generation method based on the Schedule prefecture integrated control system as claimed in claim 3, wherein the defect analysis report includes,
the intelligent defect pushing and association display can actively discover abnormal equipment information in the processes of signal monitoring, automatic signal checking and operation checking, actively associate and push historical defect information of the equipment, and assist monitoring personnel to narrow the investigation range;
performing multidimensional statistics and display on the power grid defects, wherein the multidimensional statistics and display on historical defects comprise the ranking of frequent mainstream defects, annual high-rise defects and contemporaneous high-rise defects of various equipment types; the defect analysis report also comprises a power grid defect quick query function, monitoring personnel can set device attribute information to filter and query common defect information of the devices, and can query high-frequency device and substation information of the devices according to the types of the defects;
the power grid defect quick inquiry method has the advantages that the power grid defect quick inquiry method can set the equipment attribute information by monitoring personnel to filter and inquire the common defect information of the equipment, and can inquire the high-frequency equipment and transformer substation information of the equipment according to the type of the defect.
8. The method for generating intelligent reports based on the Yao-prefecture- integrated control system, as claimed in claim 3, wherein the automatic statistical reports automatically generate heavy load reports, information protection sub-station reports, monitoring monthly reports, daily operation analysis reports, information analysis reports, and special analysis statistical reports according to a predetermined report template;
the automatic statistical report has a hidden danger troubleshooting function, hidden danger troubleshooting and safety risk assessment comprehensive analysis are carried out according to various reports, the hidden danger troubleshooting is to find out common points between out-of-limit and fault events by utilizing big data, and the hidden danger troubleshooting comprises statistical analysis of the frequent occurrence times of a type fault in the same equipment and periods of different transformer substations.
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