CN104266679A - Method and device for monitoring and diagnosing power transformer - Google Patents

Method and device for monitoring and diagnosing power transformer Download PDF

Info

Publication number
CN104266679A
CN104266679A CN201410524789.0A CN201410524789A CN104266679A CN 104266679 A CN104266679 A CN 104266679A CN 201410524789 A CN201410524789 A CN 201410524789A CN 104266679 A CN104266679 A CN 104266679A
Authority
CN
China
Prior art keywords
image data
power transformer
monitoring equipment
treatment facility
line monitoring
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201410524789.0A
Other languages
Chinese (zh)
Inventor
姚海燕
李题印
包拯民
高凯
胡晓琴
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
State Grid Corp of China SGCC
State Grid Zhejiang Electric Power Co Ltd
Hangzhou Power Supply Co of State Grid Zhejiang Electric Power Co Ltd
Original Assignee
State Grid Corp of China SGCC
State Grid Zhejiang Electric Power Co Ltd
Hangzhou Power Supply Co of State Grid Zhejiang Electric Power Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by State Grid Corp of China SGCC, State Grid Zhejiang Electric Power Co Ltd, Hangzhou Power Supply Co of State Grid Zhejiang Electric Power Co Ltd filed Critical State Grid Corp of China SGCC
Priority to CN201410524789.0A priority Critical patent/CN104266679A/en
Publication of CN104266679A publication Critical patent/CN104266679A/en
Pending legal-status Critical Current

Links

Landscapes

  • Housings And Mounting Of Transformers (AREA)
  • Testing Relating To Insulation (AREA)
  • Testing Electric Properties And Detecting Electric Faults (AREA)

Abstract

The invention discloses a method and device for monitoring and diagnosing a power transformer. The device comprises a power transformer insulation state online monitoring device, a power transformer voltage, current and load comprehensive monitoring device, a power transformer oil color spectrum real-time monitoring device, a power transformer operating temperature on-line monitoring device, a power transformer partial discharge on-line monitoring device, a process device and a display device. The process device is connected with the power transformer insulation state online monitoring device, the power transformer voltage, current and load comprehensive monitoring device, the power transformer oil color spectrum real-time monitoring device, the power transformer operating temperature on-line monitoring device and the power transformer partial discharge on-line monitoring device through communication interfaces. The display device is connected with the output end of the process device. The device for monitoring and diagnosing the power transformer can analyze and process monitored big data, and carry out comprehensive judgment on the transformer.

Description

A kind of monitoring, diagnosing method of power transformer and device
Technical field
The present invention relates to electricity transformer monitoring technical field, particularly relate to a kind of monitoring, diagnosing method and device of power transformer.
Background technology
Power transformer is the critical elements of electric system, is one of equipment most crucial in electric system, plays an important role in voltage transformation, power distribution.As the visual plant supplied in power transformation circuit, the normal operation of power transformer is the important guarantee of power system security, reliability service, so be the requisite work ensureing that supply network normally runs to the detection and diagnosis of Operation Condition of Power Transformers, the security incident occurred because of potential safety hazard effectively can be avoided.
At present, need the parameter of reflection Operation Condition of Power Transformers is carried out to comprehensive monitoring analysis and diagnosed, and the data volume of carrying out monitoring is very large, it is a kind of typical Large data types, and can only carry out detection and diagnosis to the single operational factor that self obtains to each monitoring device of Operation Condition of Power Transformers Real-Time Monitoring now, this can cause each monitoring device can only reflect the local feature of power transformer, finally can not carry out comprehensive comprehensive descision to Operation Condition of Power Transformers.
Summary of the invention
In view of this, the object of this invention is to provide a kind of monitoring, diagnosing method and device of power transformer, to realize carrying out comprehensive comprehensive descision to Operation Condition of Power Transformers.
For solving the problems of the technologies described above, the invention provides a kind of monitoring, diagnosing method and device of power transformer, diagnosing for Monitoring Power Transformer.
A monitoring diagnosis device for power transformer, comprising:
The electric current that the iron core of described power transformer, folder ground wire flow through is gathered and obtains the electric power transformer insulated situation on-line monitoring equipment of the first image data;
The busbar voltage of described power transformer and load current are gathered and obtain the power transformer voltage of the second image data, electric current and load comprehensive monitoring equipment;
The data of described electric power transformer oil are gathered and obtains the power transformer oil chromatography real-time watch device of the 3rd image data;
The running temperature of oil in described power transformer and the running temperature of winding are gathered and obtain the power transformer running temperature on-line monitoring equipment of the 4th image data;
The shelf depreciation quantity of information of described Winding in Power Transformer is gathered and obtains the Partial Discharge in Power Transformer on-line monitoring equipment of the 5th image data;
Be connected with described electric power transformer insulated situation on-line monitoring equipment, described power transformer voltage, electric current and load comprehensive monitoring equipment, described power transformer oil chromatography real-time watch device, power transformer running temperature on-line monitoring equipment and described Partial Discharge in Power Transformer on-line monitoring equipment by communication interface, and obtain the treatment facility of described first image data, described second image data, described 3rd image data, described 4th image data and described 5th image data;
The display device be connected with the output terminal of described treatment facility, the comprehensive diagnos report for the described power transformer operation conditions provided after described treatment facility is carried out analyzing and processing according to described first image data, described second image data, described 3rd image data, described 4th image data and described 5th image data shows.
Preferably, described treatment facility comprises PC.
Preferably, described treatment facility comprises data analyzer.
Preferably, described power transformer oil chromatography real-time watch device comprises chromatograph.
Preferably, described display device is data analysis panel board.
Preferably, also comprise: the panalarm be connected with described treatment facility, for carrying out alarm indication to the alarming result in described treatment facility.
Preferably, described panalarm comprises alarm lamp or alarm.
A monitoring, diagnosing method for power transformer, is applied to the monitoring diagnosis device of above-mentioned power transformer, comprises:
Electric power transformer insulated situation on-line monitoring equipment gathers the electric current that the iron core of described power transformer, folder ground wire flow through, and obtains the first image data;
Power transformer voltage, electric current and load comprehensive monitoring equipment gather the busbar voltage of described power transformer and load current, and obtain the second image data;
The data of power transformer oil chromatography real-time watch device to described electric power transformer oil gather, and obtain the 3rd image data;
Power transformer running temperature on-line monitoring equipment gathers the running temperature of oil in described power transformer and the running temperature of winding, and obtains the 4th image data;
The shelf depreciation quantity of information of Partial Discharge in Power Transformer on-line monitoring equipment to described Winding in Power Transformer gathers, and obtains the 5th image data;
Treatment facility obtains described first image data, described second image data, described 3rd image data, described 4th image data and described 5th image data by communication interface and carries out analyzing and processing, and the comprehensive diagnos report obtaining described power transformer operation conditions is sent to display device;
The comprehensive diagnos report that described display device receives described power transformer operation conditions shows.
Preferably, described treatment facility obtains described first image data, described second image data, described 3rd image data, described 4th image data and described 5th image data by communication interface and carries out analyzing and processing, and the comprehensive diagnos report obtaining described power transformer operation conditions is sent to display device, comprising:
Described first image data, described second image data, described 3rd image data, described 4th image data and described 5th image data is obtained by communication interface;
Characteristic Extraction is carried out to described first image data, described second image data, described 3rd image data, described 4th image data and described 5th image data, obtains described first image data, described second image data, described 3rd image data, described 4th image data and described 5th image data characteristic of correspondence numerical quantity separately;
Contrast characteristic quantity numerical value described in each and default characteristic quantity numerical value, and obtain each comparing result;
Gather the comprehensive diagnos report that comparing result described in each generates described power transformer operation conditions;
Send the comprehensive diagnos report of described power transformer operation conditions to display device.
Preferably, described Characteristic Extraction is carried out to described first image data, described second image data, described 3rd image data, described 4th image data and described 5th image data before, also comprise:
Noise and Interference filtering is carried out to described first image data, described second image data, described 3rd image data, described 4th image data and described 5th image data.
The invention provides monitoring, diagnosing method and the device of power transformer, treatment facility in the present invention is by communication interface and electric power transformer insulated situation on-line monitoring equipment, power transformer voltage, electric current and load comprehensive monitoring equipment, power transformer oil chromatography real-time watch device, power transformer running temperature on-line monitoring equipment and Partial Discharge in Power Transformer on-line monitoring equipment are connected, obtain described first image data, described second image data, described 3rd image data, described 4th image data and described 5th image data, and to drawing the comprehensive diagnos report of power transformer operation conditions after these large data analysis process, the report of described comprehensive diagnos is shown by display device, and then can to the large data analysis process monitored, and comprehensive comprehensive descision can be carried out to power transformer.
Accompanying drawing explanation
In order to the technical scheme of the clearer explanation embodiment of the present invention or prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
The structural representation of Fig. 1 a kind of monitoring diagnosis device of power transformer disclosed in the embodiment of the present invention;
Fig. 2 is the structural representation of the monitoring diagnosis device of the embodiment of the present invention another power transformer disclosed;
Fig. 3 is the structural representation of the monitoring diagnosis device of the embodiment of the present invention another power transformer disclosed;
The schematic flow sheet of Fig. 4 a kind of monitoring, diagnosing method of power transformer disclosed in the embodiment of the present invention.
Embodiment
Core of the present invention is to provide a kind of monitoring, diagnosing method and device of power transformer, realizes carrying out comprehensive comprehensive diagnos to power transformer.
In order to make those skilled in the art person understand the present invention program better, below in conjunction with the drawings and specific embodiments, the present invention is described in further detail.
The invention provides a kind of monitoring diagnosis device of power transformer, please refer to Fig. 1, the structural representation of Fig. 1 a kind of monitoring diagnosis device of power transformer disclosed in the embodiment of the present invention.
The concrete structure of the monitoring diagnosis device of this power transformer comprises: electric power transformer insulated situation on-line monitoring equipment 101, power transformer voltage, electric current and load comprehensive monitoring equipment 102, power transformer oil chromatography real-time watch device 103, power transformer running temperature on-line monitoring equipment 104, Partial Discharge in Power Transformer on-line monitoring equipment 105, treatment facility 106 and display device 107.
Treatment facility 106 is connected with electric power transformer insulated situation on-line monitoring equipment 101 by communication interface, the electric current that electric power transformer insulated situation on-line monitoring equipment 101 flows through for the iron core to power transformer, folder ground wire gathers, obtain the first image data, and described first image data is sent to treatment facility 106 by communication interface.
Treatment facility 106 is connected with power transformer voltage, electric current and load comprehensive monitoring equipment 102 by communication interface, power transformer voltage, electric current and load comprehensive monitoring equipment 102 are for gathering the busbar voltage of power transformer and load current, obtain the second image data, and described second image data is sent to treatment facility 106 by communication interface.
Treatment facility 106 is connected with power transformer oil chromatography real-time watch device 103 by communication interface, power transformer oil chromatography real-time watch device 103 is for gathering the data of electric power transformer oil, obtain the 3rd image data, and described 3rd image data is sent to treatment facility 106 by communication interface.
Treatment facility 106 is connected with power transformer running temperature on-line monitoring equipment 104 by communication interface, power transformer running temperature on-line monitoring equipment 104 is for gathering the running temperature of oil in described power transformer and the running temperature of winding, obtain the 4th image data, and described 4th image data is sent to treatment facility 106 by communication interface.
Treatment facility 106 is connected with Partial Discharge in Power Transformer on-line monitoring equipment 105 by communication interface, Partial Discharge in Power Transformer on-line monitoring equipment 105 is for gathering the shelf depreciation quantity of information of Winding in Power Transformer, obtain the 5th image data, and described 5th image data is sent to treatment facility 106 by communication interface.
Treatment facility 106 is nucleus equipments of this device, treatment facility 106 gets described first image data, described second image data, described 3rd image data, described 4th image data and described 5th image data by communication interface, the total data kind that these collect is many and data volume is large, it is a kind of typical Large data types, treatment facility 106 to these data analysis process, can draw the comprehensive diagnos report of power transformer operation conditions.
Display device 107 is connected with treatment facility 106, and the comprehensive diagnos report that treatment facility 106 pairs of power transformer operation conditionss can provide by display device 107 shows.
In the monitoring diagnosis device of power transformer disclosed in the embodiment of the present invention, treatment facility 106 is by communication interface and electric power transformer insulated situation on-line monitoring equipment 101, power transformer voltage, electric current and load comprehensive monitoring equipment 102, power transformer oil chromatography real-time watch device 103, power transformer running temperature on-line monitoring equipment 104 and Partial Discharge in Power Transformer on-line monitoring equipment 105 are connected, obtain described first image data, described second image data, described 3rd image data, described 4th image data and described 5th image data, and to drawing the comprehensive diagnos report of power transformer operation conditions after these large data analysis process, the report of described comprehensive diagnos is shown by display device 107, this device visible can to the large data analysis process monitored, and comprehensive comprehensive descision can be carried out to power transformer.
Preferably, based on the monitoring diagnosis device of power transformer disclosed in foregoing invention embodiment, shown in figure 2, treatment facility 106 comprises PC 116, uses PC 116 can to the described large data analysis process of collecting, and travelling speed is fast and efficiency is high; Power transformer oil chromatography real-time watch device 103 comprises chromatograph 113, uses chromatograph to gather described 3rd image data, can obtain the chromatogram analysis data of transformer oil; Display device 107 is data analysis panel board 117, and usage data analyser dial plate shows comprehensive diagnos report, and result is accurately clear.
In this embodiment, PC 116 is by communication interface and described electric power transformer insulated situation on-line monitoring equipment 101, described power transformer voltage, electric current and load comprehensive monitoring equipment 102, described chromatograph 113, described power transformer running temperature on-line monitoring equipment 104 and described Partial Discharge in Power Transformer on-line monitoring equipment 105 are connected, obtain described first image data, described second image data, described 3rd image data, described 4th image data and described 5th image data, and to rapidly and efficiently drawing the comprehensive diagnos report of power transformer operation conditions after these large data analysis process, the report of described comprehensive diagnos is shown exactly by data analysis panel board 117 is clear, this device visible can to the large data analysis process monitored, and comprehensive comprehensive descision can be carried out to power transformer.
Preferably, based on the monitoring diagnosis device of power transformer disclosed in foregoing invention embodiment, shown in figure 3, treatment facility 106 is data analyzer 126, usage data analyser 126 can to the described large data analysis process of collecting, analytic process accuracy is higher, and this device also comprises: the panalarm 128 be connected with treatment facility 106, for carrying out alarm indication to the alarming result in described treatment facility.Wherein, panalarm 128 comprises alarm lamp, and when there is alarming result in treatment facility 106, alarm lamp starts to continue flicker, and this alarming result is carried out alarm indication, and alert implements solution immediately; Panalarm 128 comprises alarm, and when there is alarming result in the comprehensive diagnos report that treatment facility 106 obtains, alarm starts to continue to blow a whistle, and this alarming result is carried out alarm indication, and alert implements solution immediately.
In this embodiment, data analyzer 126 is by communication interface and described electric power transformer insulated situation on-line monitoring equipment 101, described power transformer voltage, electric current and load comprehensive monitoring equipment 102, described chromatograph 113, described power transformer running temperature on-line monitoring equipment 104 and described Partial Discharge in Power Transformer on-line monitoring equipment 105 are connected, obtain described first image data, described second image data, described 3rd image data, described 4th image data and described 5th image data, and after analyzing and processing is accurately carried out to these large data, draw the comprehensive diagnos report of power transformer operation conditions, the report of described comprehensive diagnos is shown by display device 107, the alarming result that the comprehensive diagnos that the panalarm 128 be connected with treatment facility 106 can obtain treatment facility 106 occurs in reporting carries out alarm indication, this device visible can to the large data analysis process monitored, and comprehensive comprehensive descision can be carried out to power transformer.
Present invention also offers a kind of monitoring, diagnosing method of power transformer, be applied to the monitoring diagnosis device of above-mentioned power transformer, composition graphs 1 is also with reference to the schematic flow sheet of figure 4, Fig. 4 a kind of monitoring, diagnosing method of power transformer disclosed in the embodiment of the present invention.
The method comprises:
Step S10: electric power transformer insulated situation on-line monitoring equipment 101 gathers the electric current that the iron core of described power transformer, folder ground wire flow through, and obtains the first image data;
Step S20: power transformer voltage, electric current and load comprehensive monitoring equipment 102 gather the busbar voltage of described power transformer and load current, and obtain the second image data;
Step S30: power transformer oil chromatography real-time watch device 103 gathers the data of described electric power transformer oil, and obtain the 3rd image data;
Step S40: power transformer running temperature on-line monitoring equipment 104 gathers the running temperature of oil in described power transformer and the running temperature of winding, and obtains the 4th image data;
Step S50: the shelf depreciation quantity of information of Partial Discharge in Power Transformer on-line monitoring equipment 105 to described Winding in Power Transformer gathers and obtain the 5th image data;
It should be noted that, do not limit the sequencing performed by it between above-mentioned steps S10 to step S50 in embodiments of the present invention, can perform simultaneously, also can separately perform.
Wherein, treatment facility 106 comprises PC or data analyzer; Power transformer oil chromatography real-time watch device 103 comprises chromatograph.
Step S60: treatment facility 106 obtains described first image data, described second image data, described 3rd image data, described 4th image data and described 5th image data by communication interface and carries out analyzing and processing, and the comprehensive diagnos report obtaining described power transformer operation conditions is sent to display device 107;
Wherein, when treatment facility 106 is carrying out in analyzing and processing process to described first image data, described second image data, described 3rd image data, described 4th image data and described 5th image data, if generation alarming result, show that power transformer goes wrong, if do not produce alarming result, show that power transformer is normal.
Step S70: the comprehensive diagnos report that display device 107 receives described power transformer operation conditions shows.
Wherein, display device 107 comprises data analysis panel board, operating personnel are reported by the comprehensive diagnos of display device 107 real time inspection power transformer operation conditions, the integrated operation situation of timely understanding power transformer, when power transformer breaks down, carry out associative operation in time, solve fault.
Based on the monitoring, diagnosing method of power transformer disclosed in foregoing invention embodiment, treatment facility 106 is by obtaining electric power transformer insulated situation on-line monitoring equipment 101, power transformer voltage, electric current and load comprehensive monitoring equipment 102, power transformer oil chromatography real-time watch device 103, power transformer running temperature on-line monitoring equipment 104 and Partial Discharge in Power Transformer on-line monitoring equipment 105 obtain described first image data, described second image data, described 3rd image data, described 4th image data and described 5th image data, to the comprehensive diagnos report obtaining power transformer operation conditions after these large Data Analysis Services, the report of described comprehensive diagnos is shown by display device 107, comprehensive comprehensive descision can be carried out to power transformer.
Based on step S60 disclosed in the invention described above embodiment: treatment facility 106 obtains described first image data, described second image data, described 3rd image data, described 4th image data and described 5th image data by communication interface and carries out analyzing and processing, and the comprehensive diagnos report obtaining described power transformer operation conditions is sent to display device 107, this step S20 preferably takes following steps to realize:
Step S61: treatment facility 106 obtains described first image data, described second image data, described 3rd image data, described 4th image data and described 5th image data by communication interface;
Wherein, treatment facility 106 by described first image data that communication interface obtains from electric power transformer insulated situation on-line monitoring equipment 101 be the iron core of power transformer, the current value that flows through of folder ground wire; Treatment facility 106 is bus voltage value and the load current value of power transformer from described second image data that power transformer voltage, electric current and load comprehensive monitoring equipment 102 obtain by communication interface; Described 3rd image data that treatment facility 106 is obtained from power transformer oil chromatography real-time watch device 103 by communication interface is the data of electric power transformer oil; Treatment facility 106 is running temperature and the running temperature of winding of oil in power transformer from described 4th image data that power transformer running temperature on-line monitoring equipment 104 obtains by communication interface; Treatment facility 106 obtains from Partial Discharge in Power Transformer on-line monitoring equipment 105 the shelf depreciation quantity of information that described 5th image data is Winding in Power Transformer by communication interface.
Step S62: treatment facility 106 carries out Characteristic Extraction to described first image data, described second image data, described 3rd image data, described 4th image data and described 5th image data, obtains described first image data, described second image data, described 3rd image data, described 4th image data and described 5th image data characteristic of correspondence numerical quantity separately;
In step S62, the current value that the characteristic quantity numerical value that treatment facility 106 obtains after carrying out Characteristic Extraction to described first image data comprises the iron core of power transformer, folder ground wire flows through is at the effective value in each moment, maximal value and rate of change; The characteristic quantity numerical value that treatment facility 106 obtains after carrying out Characteristic Extraction to described second image data comprises the load current value of power transformer, active power, reactive power and applied power; The characteristic quantity numerical value that treatment facility 106 obtains after carrying out Characteristic Extraction to described 3rd image data comprises the chromatogram value of electric power transformer oil; The characteristic quantity numerical value that treatment facility 106 obtains after carrying out Characteristic Extraction to described 4th image data comprises the running temperature values of electric power transformer oil, the running temperature values of Winding in Power Transformer and rate temperature change; The characteristic quantity numerical value that treatment facility 106 obtains after carrying out Characteristic Extraction to described 5th image data comprises the waveform of the shelf depreciation of Winding in Power Transformer, discharge capacity and discharge period.
Step S63: treatment facility 106 contrasts characteristic quantity numerical value described in each and default characteristic quantity numerical value, and obtains each comparing result;
Wherein, treatment facility 106 needs to contrast obtaining characteristic quantity numerical value and preset data value described in each in step S22, if the numerical result of characteristic quantity exceeds the scope of preset data value, then determines that power transformer goes wrong, produce alarming result, report to the police; If the numerical result of characteristic quantity is within the scope of preset data value, then determines that power transformer is normal, do not produce alarming result.
Concrete, in step S63, when treatment facility 106 contrasts the characteristic quantity numerical value obtained in described first image data, the method for employing has two kinds, and a kind of method is: the reference value that the characteristic quantity numerical value obtained in described first image data and technical manual provide contrasted, obtain comparing result, if and ground current value is less than 10mA, " mA " represents the unit of current value, when folder electric current is less than 100mA, produce alarming result, then report to the police;
Another kind method is: the numerical value when characteristic quantity numerical value obtained in described first image data and power transformer initially being installed contrasts, obtain comparing result, if and deviation is more than 10%, produce alarming result, report to the police, if rate of change is greater than for 1%/moon, produces alarming result, report to the police; When treatment facility 106 contrasts the characteristic quantity numerical value obtained in described second image data, the ratings of the characteristic quantity numerical value obtained in described second image data and power transformer is contrasted, obtain comparing result, if and exceed the ratings of power transformer, then produce alarming result, report to the police; When treatment facility 106 is diagnosed the characteristic quantity numerical value obtained in described 3rd image data, the chromatogram value of electric power transformer oil and initial value are contrasted, obtain comparing result, and if deviation more than 10%, produce alarming result, report to the police.
Same, when treatment facility 106 is diagnosed the characteristic quantity numerical value obtained in described 4th image data, the running temperature of the characteristic quantity numerical value obtained in described 4th image data and the specified permission of power transformer is contrasted, obtain comparing result, and if exceed the running temperature of the specified permission of power transformer, produce alarming result, report to the police, if the rate of change that temperature rises is greater than 1 DEG C/h, produces alarming result, report to the police; When treatment facility 106 is diagnosed the characteristic quantity numerical value obtained in described 5th image data, the characteristic quantity numerical value obtained in described 5th image data and national standard are contrasted, obtain comparing result, if and exceed national standard, produce alarming result, report to the police, if deviation is more than 10%, produce alarming result, report to the police.
Step S64: treatment facility 106 gathers the comprehensive diagnos report that comparing result described in each generates described power transformer operation conditions; Wherein, the comprehensive diagnos report of described power transformer operation conditions is gathered comparing result described in each by treatment facility 106 and is generated, combine electric power transformer insulated situation on-line monitoring equipment 101, power transformer voltage, electric current and load comprehensive monitoring equipment 102, power transformer oil chromatography real-time watch device 103, power transformer running temperature on-line monitoring equipment 104 and these five monitoring devices of Partial Discharge in Power Transformer on-line monitoring equipment 105 each image data diagnose, comprehensive and accurate comprehensive descision can be carried out to power transformer.Step S25: treatment facility 106 sends the comprehensive diagnos report of described power transformer operation conditions to display device
Preferably, after step S61, before step S62, also comprise step S600:
Step S600: treatment facility 106 carries out Noise and Interference filtering to described first image data, described second image data, described 3rd image data, described 4th image data and described 5th image data.
Wherein, after treatment facility 106 carries out Noise and Interference filtering to described first image data, described second image data, described 3rd image data, described 4th image data and described 5th image data, eliminate noise data and interfering data, improve the accuracy of the comprehensive diagnos report of described power transformer operation conditions.
Above, based on the monitoring, diagnosing method of power transformer disclosed in foregoing invention embodiment, treatment facility 106 is by obtaining electric power transformer insulated situation on-line monitoring equipment 101, power transformer voltage, electric current and load comprehensive monitoring equipment 102, power transformer oil chromatography real-time watch device 103, power transformer running temperature on-line monitoring equipment 104 and Partial Discharge in Power Transformer on-line monitoring equipment 105 obtain described first image data, described second image data, described 3rd image data, described 4th image data and described 5th image data, after carrying out Noise and Interference filtering, to the comprehensive diagnos report obtaining power transformer operation conditions after these large Data Analysis Services, the report of described comprehensive diagnos is shown by display device 107, comprehensive and accurate comprehensive descision is carried out to power transformer.
In sum, based on monitoring, diagnosing method and the device of power transformer disclosed in foregoing invention embodiment, treatment facility is by communication interface and electric power transformer insulated situation on-line monitoring equipment, power transformer voltage, electric current and load comprehensive monitoring equipment, power transformer oil chromatography real-time watch device, power transformer running temperature on-line monitoring equipment and Partial Discharge in Power Transformer on-line monitoring equipment are connected, display device is connected with the output terminal for the treatment of facility, the monitoring diagnosis device of this power transformer can to the large data analysis process monitored, and comprehensive comprehensive descision can be carried out to power transformer.
Above the monitoring, diagnosing method and apparatus of a kind of power transformer provided by the present invention is described in detail.Apply specific case herein to set forth principle of the present invention and embodiment, the explanation of above embodiment just understands method of the present invention and core concept thereof for helping.It should be pointed out that for those skilled in the art, under the premise without departing from the principles of the invention, can also carry out some improvement and modification to the present invention, these improve and modify and also fall in the protection domain of the claims in the present invention.

Claims (10)

1. a monitoring diagnosis device for power transformer, is characterized in that, comprising:
The electric current that the iron core of described power transformer, folder ground wire flow through is gathered and obtains the electric power transformer insulated situation on-line monitoring equipment of the first image data;
The busbar voltage of described power transformer and load current are gathered and obtain the power transformer voltage of the second image data, electric current and load comprehensive monitoring equipment;
The data of described electric power transformer oil are gathered and obtains the power transformer oil chromatography real-time watch device of the 3rd image data;
The running temperature of oil in described power transformer and the running temperature of winding are gathered and obtain the power transformer running temperature on-line monitoring equipment of the 4th image data;
The shelf depreciation quantity of information of described Winding in Power Transformer is gathered and obtains the Partial Discharge in Power Transformer on-line monitoring equipment of the 5th image data;
Be connected with described electric power transformer insulated situation on-line monitoring equipment, described power transformer voltage, electric current and load comprehensive monitoring equipment, described power transformer oil chromatography real-time watch device, power transformer running temperature on-line monitoring equipment and described Partial Discharge in Power Transformer on-line monitoring equipment by communication interface, and obtain the treatment facility of described first image data, described second image data, described 3rd image data, described 4th image data and described 5th image data;
The display device be connected with the output terminal of described treatment facility, the comprehensive diagnos report for the described power transformer operation conditions provided after described treatment facility is carried out analyzing and processing according to described first image data, described second image data, described 3rd image data, described 4th image data and described 5th image data shows.
2. device as claimed in claim 1, it is characterized in that, described treatment facility comprises PC.
3. device as claimed in claim 1, it is characterized in that, described treatment facility comprises data analyzer.
4. device as claimed in claim 1, it is characterized in that, described power transformer oil chromatography real-time watch device comprises chromatograph.
5. device as claimed in claim 1, it is characterized in that, described display device is data analysis panel board.
6. device as claimed in claim 5, is characterized in that, also comprise: the panalarm be connected with described treatment facility, for carrying out alarm indication to the alarming result in described treatment facility.
7. device as claimed in claim 6, it is characterized in that, described panalarm comprises alarm lamp or alarm.
8. a monitoring, diagnosing method for power transformer, is characterized in that, is applied to the monitoring diagnosis device as the power transformer in claim 1 ~ 7 as described in any one, comprises:
Electric power transformer insulated situation on-line monitoring equipment gathers the electric current that the iron core of described power transformer, folder ground wire flow through, and obtains the first image data;
Power transformer voltage, electric current and load comprehensive monitoring equipment gather the busbar voltage of described power transformer and load current, and obtain the second image data;
The data of power transformer oil chromatography real-time watch device to described electric power transformer oil gather, and obtain the 3rd image data;
Power transformer running temperature on-line monitoring equipment gathers the running temperature of oil in described power transformer and the running temperature of winding, and obtains the 4th image data;
The shelf depreciation quantity of information of Partial Discharge in Power Transformer on-line monitoring equipment to described Winding in Power Transformer gathers, and obtains the 5th image data;
Treatment facility obtains described first image data, described second image data, described 3rd image data, described 4th image data and described 5th image data by communication interface and carries out analyzing and processing, and the comprehensive diagnos report obtaining described power transformer operation conditions is sent to display device;
The comprehensive diagnos report that described display device receives described power transformer operation conditions shows.
9. method as claimed in claim 8, it is characterized in that, described treatment facility obtains described first image data, described second image data, described 3rd image data, described 4th image data and described 5th image data by communication interface and carries out analyzing and processing, and the comprehensive diagnos report obtaining described power transformer operation conditions is sent to display device, comprising:
Described first image data, described second image data, described 3rd image data, described 4th image data and described 5th image data is obtained by communication interface;
Characteristic Extraction is carried out to described first image data, described second image data, described 3rd image data, described 4th image data and described 5th image data, obtains described first image data, described second image data, described 3rd image data, described 4th image data and described 5th image data characteristic of correspondence numerical quantity separately;
Contrast characteristic quantity numerical value described in each and default characteristic quantity numerical value, and obtain each comparing result;
Gather the comprehensive diagnos report that comparing result described in each generates described power transformer operation conditions;
Send the comprehensive diagnos report of described power transformer operation conditions to display device.
10. method as claimed in claim 9, is characterized in that, described Characteristic Extraction is carried out to described first image data, described second image data, described 3rd image data, described 4th image data and described 5th image data before, also comprise:
Noise and Interference filtering is carried out to described first image data, described second image data, described 3rd image data, described 4th image data and described 5th image data.
CN201410524789.0A 2014-10-08 2014-10-08 Method and device for monitoring and diagnosing power transformer Pending CN104266679A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201410524789.0A CN104266679A (en) 2014-10-08 2014-10-08 Method and device for monitoring and diagnosing power transformer

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201410524789.0A CN104266679A (en) 2014-10-08 2014-10-08 Method and device for monitoring and diagnosing power transformer

Publications (1)

Publication Number Publication Date
CN104266679A true CN104266679A (en) 2015-01-07

Family

ID=52158220

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201410524789.0A Pending CN104266679A (en) 2014-10-08 2014-10-08 Method and device for monitoring and diagnosing power transformer

Country Status (1)

Country Link
CN (1) CN104266679A (en)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105510732A (en) * 2015-11-26 2016-04-20 国家电网公司 Power transformer monitoring system and method
CN106228024A (en) * 2016-08-03 2016-12-14 国网山东省电力公司电力科学研究院 A kind of multi views for oil chromatography online monitoring data works in coordination with visual analysis method
CN106248144A (en) * 2016-08-26 2016-12-21 国网山东省电力公司阳信县供电公司 A kind of electric power maintenance system
CN106803694A (en) * 2017-04-01 2017-06-06 成蜀电力集团有限公司 Integrated monitoring based on distribution transformer operational management intelligence system
CN107328438A (en) * 2017-07-03 2017-11-07 国网黑龙江省电力有限公司哈尔滨供电公司 A kind of power transformer runs comprehensive monitor system
CN108414077A (en) * 2018-02-06 2018-08-17 武汉理工大学 One kind detecting alarm system based on monolithic processor controlled transformer noise

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH08110248A (en) * 1994-10-12 1996-04-30 Chubu Plant Service:Kk Temperature/vibration automatic measuring devices for power plant apparatus
CN201548633U (en) * 2009-11-16 2010-08-11 山东电力设备厂 Intelligent online monitoring system of transformer
CN202582602U (en) * 2012-04-26 2012-12-05 江苏骏龙电力科技股份有限公司 Transformer running state comprehensive monitoring system
CN103199621A (en) * 2013-03-07 2013-07-10 安徽省电力公司芜湖供电公司 On-line monitoring networking of power transformer of intelligent substation
CN103512619A (en) * 2013-10-18 2014-01-15 海南电力技术研究院 System and method for intelligently monitoring state information of transformer
CN204064351U (en) * 2014-10-08 2014-12-31 国家电网公司 A kind of monitoring diagnosis device of power transformer

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH08110248A (en) * 1994-10-12 1996-04-30 Chubu Plant Service:Kk Temperature/vibration automatic measuring devices for power plant apparatus
CN201548633U (en) * 2009-11-16 2010-08-11 山东电力设备厂 Intelligent online monitoring system of transformer
CN202582602U (en) * 2012-04-26 2012-12-05 江苏骏龙电力科技股份有限公司 Transformer running state comprehensive monitoring system
CN103199621A (en) * 2013-03-07 2013-07-10 安徽省电力公司芜湖供电公司 On-line monitoring networking of power transformer of intelligent substation
CN103512619A (en) * 2013-10-18 2014-01-15 海南电力技术研究院 System and method for intelligently monitoring state information of transformer
CN204064351U (en) * 2014-10-08 2014-12-31 国家电网公司 A kind of monitoring diagnosis device of power transformer

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105510732A (en) * 2015-11-26 2016-04-20 国家电网公司 Power transformer monitoring system and method
CN106228024A (en) * 2016-08-03 2016-12-14 国网山东省电力公司电力科学研究院 A kind of multi views for oil chromatography online monitoring data works in coordination with visual analysis method
CN106228024B (en) * 2016-08-03 2018-12-04 国网山东省电力公司电力科学研究院 A kind of multiple view collaboration visual analysis method for oil chromatography online monitoring data
CN106248144A (en) * 2016-08-26 2016-12-21 国网山东省电力公司阳信县供电公司 A kind of electric power maintenance system
CN106803694A (en) * 2017-04-01 2017-06-06 成蜀电力集团有限公司 Integrated monitoring based on distribution transformer operational management intelligence system
CN107328438A (en) * 2017-07-03 2017-11-07 国网黑龙江省电力有限公司哈尔滨供电公司 A kind of power transformer runs comprehensive monitor system
CN108414077A (en) * 2018-02-06 2018-08-17 武汉理工大学 One kind detecting alarm system based on monolithic processor controlled transformer noise
CN108414077B (en) * 2018-02-06 2020-05-05 武汉理工大学 Transformer noise detection alarm system based on single chip microcomputer control

Similar Documents

Publication Publication Date Title
CN104266679A (en) Method and device for monitoring and diagnosing power transformer
CN106353640A (en) Fault location method, device and system for distribution lines
CN204064351U (en) A kind of monitoring diagnosis device of power transformer
CN202126470U (en) Power cable insulation online monitoring device
CN101957396B (en) On-line monitoring device and method for voltage quality of electric power system
CN203084097U (en) On-line zinc oxide lightning arrester state monitoring device
CN213986651U (en) Multi-state online monitoring system for lightning arrester
CN102621457A (en) On-line detection method of metal oxide arrester insulating property influencing factor
CN106597181B (en) Operation monitoring system and method for high-voltage power transformer
CN103712551A (en) Power distribution network transformer low-voltage winding deformation on-line monitoring device and method
CN103234576A (en) State monitoring system for power devices in intelligent substations
CN106597147A (en) State monitoring system and method of lightning arrester with series gap based on residual voltage monitoring
CN104181427A (en) Online monitoring system of intelligent substation transformer
CN103048577A (en) Wireless sensing lightning arrester online monitoring system
CN105116307A (en) Screening method for status early warning data abnormal values of gas insulated switchgear
CN104330615A (en) Multi-phase measuring device of lightning arrester and transformer based on FFT algorithm and method thereof
KR102206379B1 (en) Photovoltaic ground resistance measuring system
CN104020393B (en) A kind of with electrical network one-phase short-circuit current Fault Locating Method
CN202305704U (en) Running state monitoring device of zinc oxide arrester
CN206411209U (en) Surge arrester failure monitoring system and electric energy quality monitoring system
CN103163402A (en) Relaying protection equipment state monitoring device and monitoring method based on secondary circuit
CN203164360U (en) Transformer device insulation online monitoring system
CN104198863A (en) Sensing technology based online open-type lightning arrester monitoring device and monitoring method
CN202794326U (en) Online monitoring device for grounding current of transformer core
CN204439118U (en) Transformer Substation Online Monitoring 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
RJ01 Rejection of invention patent application after publication
RJ01 Rejection of invention patent application after publication

Application publication date: 20150107