CN105093036A - Multi-data transformer station on-line monitoring system and on-line monitoring method thereof - Google Patents

Multi-data transformer station on-line monitoring system and on-line monitoring method thereof Download PDF

Info

Publication number
CN105093036A
CN105093036A CN201510569158.5A CN201510569158A CN105093036A CN 105093036 A CN105093036 A CN 105093036A CN 201510569158 A CN201510569158 A CN 201510569158A CN 105093036 A CN105093036 A CN 105093036A
Authority
CN
China
Prior art keywords
monitoring
sub
status information
pressure
gas
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
CN201510569158.5A
Other languages
Chinese (zh)
Inventor
黄华林
郑敏
张达
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.)
Chengdu Bilsum Science And Technology Development Co Ltd
Original Assignee
Chengdu Bilsum Science And Technology Development 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 Chengdu Bilsum Science And Technology Development Co Ltd filed Critical Chengdu Bilsum Science And Technology Development Co Ltd
Priority to CN201510569158.5A priority Critical patent/CN105093036A/en
Publication of CN105093036A publication Critical patent/CN105093036A/en
Pending legal-status Critical Current

Links

Abstract

The present invention discloses a multi-data transformer station on-line monitoring system and an on-line monitoring method thereof. The system comprises a server side and a transformer station side, and the server side is connected with the transformer station side through a second grade electric power information network; the server side includes a real time/historical database, a server, an interface machine and a status information access gateway machine which are connected with each other through a first grade electric power information network; and the transformer station side includes a plurality of transformer stations, each transformer station consists of a status information access control machine and a status monitoring facility which are manually connected through a station information network, and the status information access control machine is directly connected with the status monitoring facility or is connected with the status monitoring facility through a status monitoring agent device. According to the present invention, the frequently-used data of a SF6 gas monitoring device, a device for monitoring gas in transformer oil, a disconnecting switch and a direct current system are subjected to the determination of the threshold values, and health values and potential faults of the frequently-used data are diagnosed, therefore the on-line monitoring method provided by the invention is safe and reliable.

Description

A kind of multidata Transformer Substation Online Monitoring System and on-line monitoring method thereof
Technical field
The present invention relates to a kind of multidata Transformer Substation Online Monitoring System and on-line monitoring method thereof.
Background technology
Transformer station, changes the place of voltage.In order to the electric energy that generating plant is sent is transported to place far away, voltage must be raised, become high-tension electricity, on demand voltage be reduced near user again, the work of this buck/boost has come by transformer station.The major equipment of transformer station is switch and transformer.Different by scale, little is called electric substation.Transformer station is greater than electric substation.Electric substation: be generally the step-down substation of electric pressure at below 110KV; Transformer station: " boosting, the step-down " transformer station comprising various electric pressure.Transformer station is voltage of transformation in electric system, acceptance and distribution electric energy, the flow direction of control electric power and the electric power facility of adjustment voltage, and it is got up by the grid contact of its transformer by each step voltage.Transformer station is in specific environment; By AC-DC-AC transfer process.In picture seabed feeder cable and at a distance conveying.Some adopts high voltage direct current power transmission and transformation form.Direct current transportation overcomes the capacitive reactance loss of ac transmission.There is energy saving effect.The major equipment of transformer station and connected mode, variant by its function difference.Therefore, a kind of equipment to transformer station is needed to carry out the System and method for of on-line monitoring.
Summary of the invention
The object of the invention is to overcome the deficiencies in the prior art, a kind of multidata Transformer Substation Online Monitoring System and on-line monitoring method thereof are provided.
The object of the invention is to be achieved through the following technical solutions: a kind of multidata Transformer Substation Online Monitoring System, it comprises server end and transformer substation end; Server end is connected with transformer substation end by second level Electricity Information Network;
Described server end comprise by first order Electricity Information Network be connected to each other real-time/historical data base, server, interface message processor (IMP) and status information Access Network shutdown;
Described transformer substation end comprises multiple transformer station, described transformer station comprises by station internal information net interconnective status information Access Control machine and condition monitoring device, and wherein status information Access Control machine directly or be connected with condition monitoring device by state monitoring agent device;
Described condition monitoring device comprises SF6 gas monitor apparatus, Gas in Oil of Transformer monitoring equipment, disconnector and straight-flow system, and wherein the monitoring variable of SF6 gas monitor apparatus comprises environment temperature, ambient humidity, micro-water content, pressure, 20 degree of pressure, humidity, 20 degree of humidity, density, temperature, dew point, pressure alarm thresholding, pressure alarm releasing, pressure atresia thresholding, pressure atresias remove; The monitoring variable of Gas in Oil of Transformer monitoring equipment comprises hydrogen, methane, ethane, ethene, acetylene, total hydrocarbon, micro-water content, carbon monoxide and carbon dioxide; The monitoring variable of disconnector comprises contact temperature; The monitoring variable of straight-flow system comprises positive and negative busbar insulating resistance, positive and negative busbar voltage, the positive and negative insulation resistance of branch road;
The monitoring variable of the condition monitoring device received is sent to the shutdown of status information Access Network by station internal information net, second level Electricity Information Network, first order Electricity Information Network by status information Access Control machine successively, the shutdown of status information Access Network forwards the data to interface message processor (IMP), interface message processor (IMP) sends data in real time/historical data base preservation, and server is analyzed in real time/historical data simultaneously.
At least one firewall box is provided with between described first order Electricity Information Network and second level Electricity Information Network.
Described state monitoring agent device is connected with multiple condition monitoring device by multiport transponder; 103/104 communication protocol is adopted between multiport transponder and condition monitoring device.
I2 interface protocol is adopted between described second level Electricity Information Network and station internal information net; DL/T860 stipulations are adopted between status information Access Control machine and state monitoring agent device; DL/T860 stipulations are adopted between status information Access Control machine and condition monitoring device; I2 interface protocol is adopted between interface message processor (IMP) and the shutdown of status information Access Network.
A kind of on-line monitoring method of multidata Transformer Substation Online Monitoring System comprises SF6 gas monitor apparatus on-line monitoring step, Gas in Oil of Transformer monitoring equipment on-line monitoring step, disconnector on-line monitoring step and straight-flow system on-line monitoring step;
Described SF6 gas monitor apparatus on-line monitoring step comprises following sub-step:
S11: status information Access Control machine receives the monitoring variable of SF6 gas monitor apparatus, comprises environment temperature, ambient humidity, micro-water content, pressure, 20 degree of pressure, humidity, 20 degree of humidity, density, temperature, dew point, pressure alarm thresholding, pressure alarm releasing, pressure atresia thresholding, pressure atresias removes;
S12: the monitoring variable of the SF6 gas monitor apparatus received is sent to the shutdown of status information Access Network by station internal information net, second level Electricity Information Network, first order Electricity Information Network by status information Access Control machine successively;
S13: the shutdown of status information Access Network forwards the data to interface message processor (IMP);
S14: interface message processor (IMP) sends data in real time/historical data base preservation, server is analyzed in real time/historical data simultaneously, comprise SF6 gas monitor apparatus Threshold Analysis sub-step and SF6 gas monitor apparatus health degree judges sub-step, described SF6 gas monitor apparatus Threshold Analysis sub-step comprises following sub-step: judge environment temperature, ambient humidity, micro-water content, pressure, 20 degree of pressure, humidity, 20 degree of humidity, density, temperature, dew point, pressure alarm thresholding, pressure alarm is removed, pressure atresia thresholding, whether any one in pressure atresia releasing exceedes setting range, if exceed, produce warning information,
Described SF6 gas monitor apparatus health degree judges the following sub-step of sub-step:
S141: set up the monitoring variable of SF6 gas monitor apparatus and the system of time correlation;
S142: the time series that the data difference soil boy structure temperature automatically according in real time/historical data base after the certain hour set, ambient humidity, micro-water content, pressure, 20 degree of pressure, humidity, 20 degree of humidity, density, temperature, dew point, pressure alarm thresholding, pressure alarm releasing, pressure atresia thresholding, pressure atresias are removed;
S143: by all time series fitting a straight lines, is normalized slope by the slope of digital simulation straight line, forms the value between-1 to 1, and as eigenwert;
S144: respectively the eigenwert that environment temperature, ambient humidity, micro-water content, pressure, 20 degree of pressure, humidity, 20 degree of humidity, density, temperature, dew point, pressure alarm thresholding, pressure alarm releasing, pressure atresia thresholding, pressure atresias are removed is weighted on average according to certain weight, is formed in the first dimensionless group between 0 to 1;
S145: the health value of the equipment produced with (1-first dimensionless group) * 100 representative controls SF6 gas, when the health value of the equipment of controls SF6 gas generation is less than the SF6 gas monitor apparatus health value threshold value of setting, generation warning information;
Described Gas in Oil of Transformer monitoring equipment on-line monitoring step comprises following sub-step:
S21: status information Access Control machine receives the monitoring variable of Gas in Oil of Transformer monitoring equipment, comprises hydrogen, methane, ethane, ethene, acetylene, total hydrocarbon, micro-water content, carbon monoxide and carbon dioxide;
S22: the monitoring variable of the Gas in Oil of Transformer monitoring equipment received is sent to the shutdown of status information Access Network by station internal information net, second level Electricity Information Network, first order Electricity Information Network by status information Access Control machine successively;
S23: the shutdown of status information Access Network forwards the data to interface message processor (IMP);
S24: interface message processor (IMP) sends data in real time/historical data base preservation, server is analyzed in real time/historical data simultaneously, comprise Gas in Oil of Transformer monitoring equipment Threshold Analysis sub-step and Gas in Oil of Transformer monitoring equipment health degree judges sub-step, described Gas in Oil of Transformer monitoring equipment Threshold Analysis sub-step comprises following sub-step: judge whether any one in hydrogen, methane, ethane, ethene, acetylene, total hydrocarbon, micro-water content, carbon monoxide and carbon dioxide exceedes setting range, if exceed, produces warning information;
Described Gas in Oil of Transformer monitoring equipment health degree judges the following sub-step of sub-step:
S241: set up the monitoring variable of Gas in Oil of Transformer monitoring equipment and the system of time correlation;
S242: automatically form the time series of hydrogen, methane, ethane, ethene, acetylene, total hydrocarbon, micro-water content, carbon monoxide and carbon dioxide respectively according to the data of in real time/historical data base after the certain hour set;
S243: by all time series fitting a straight lines, is normalized slope by the slope of digital simulation straight line, forms the value between-1 to 1, and as eigenwert;
S244: the eigenwert of hydrogen, methane, ethane, ethene, acetylene, total hydrocarbon, micro-water content, carbon monoxide and carbon dioxide be weighted on average according to certain weight respectively, is formed in the second dimensionless group between 0 to 1;
S245: the health value representing the equipment producing Gas in Oil of Transformer with (1-second dimensionless group) * 100, when the health value of equipment producing Gas in Oil of Transformer is less than the Gas in Oil of Transformer monitoring equipment health value threshold value of setting, produce warning information;
Described disconnector on-line monitoring step comprises following sub-step:
S31: status information Access Control machine receives the monitoring variable of disconnector, comprises contact temperature;
S32: the monitoring variable of the disconnector received is sent to the shutdown of status information Access Network by station internal information net, second level Electricity Information Network, first order Electricity Information Network by status information Access Control machine successively;
S33: the shutdown of status information Access Network forwards the data to interface message processor (IMP);
S34: interface message processor (IMP) sends data in real time/historical data base preservation, server is analyzed in real time/historical data simultaneously, comprise disconnector Threshold Analysis sub-step and disconnector health degree judges sub-step, described disconnector Threshold Analysis sub-step comprises following sub-step: judge whether any one in contact temperature exceedes setting range, if exceed, produces warning information;
Described disconnector health degree judges the following sub-step of sub-step:
S341: set up the monitoring variable of disconnector and the system of time correlation;
S342: automatically form the time series of contact temperature respectively according to the data of in real time/historical data base after the certain hour set;
S343: by all time series fitting a straight lines, is normalized slope by the slope of digital simulation straight line, forms the value between-1 to 1, and as eigenwert;
S344: the eigenwert of contact temperature be weighted on average according to certain weight respectively, is formed in the 3rd dimensionless group between 0 to 1;
S345: represent the health value of disconnector with (1-the 3rd dimensionless group) * 100, when the health value of disconnector is less than the disconnector health value threshold value of setting, produces warning information;
Described straight-flow system on-line monitoring step comprises following sub-step:
S41: status information Access Control machine receives the monitoring variable of straight-flow system, comprises positive and negative busbar insulating resistance, positive and negative busbar voltage, the positive and negative insulation resistance of branch road;
S42: the monitoring variable of the straight-flow system received is sent to the shutdown of status information Access Network by station internal information net, second level Electricity Information Network, first order Electricity Information Network by status information Access Control machine successively;
S43: the shutdown of status information Access Network forwards the data to interface message processor (IMP);
S44: interface message processor (IMP) sends data in real time/historical data base preservation, server is analyzed in real time/historical data simultaneously, comprise straight-flow system Threshold Analysis sub-step and straight-flow system health degree judges sub-step, described straight-flow system Threshold Analysis sub-step comprises following sub-step: judge whether any one in positive and negative busbar insulating resistance, positive and negative busbar voltage, the positive and negative insulation resistance of branch road exceedes setting range, if exceed, produces warning information;
Described straight-flow system health degree judges the following sub-step of sub-step:
S441: set up the monitoring variable of straight-flow system and the system of time correlation;
S442: automatically form the time series of positive and negative busbar insulating resistance, positive and negative busbar voltage, the positive and negative insulation resistance of branch road respectively according to the data of in real time/historical data base after the certain hour set;
S443: by all time series fitting a straight lines, is normalized slope by the slope of digital simulation straight line, forms the value between-1 to 1, and as eigenwert;
S444: the eigenwert of positive and negative busbar insulating resistance, positive and negative busbar voltage, the positive and negative insulation resistance of branch road be weighted on average according to certain weight respectively, is formed in the 4th dimensionless group between 0 to 1;
S445: represent the health value of straight-flow system with (1-the 4th dimensionless group) * 100, when the health value of straight-flow system is less than the straight-flow system health value threshold value of setting, produces warning information.
The invention has the beneficial effects as follows: the present invention carries out on-line monitoring to SF6 gas monitor apparatus, Gas in Oil of Transformer monitoring equipment, disconnector and straight-flow system conventional in transformer station, is delivered to the status information Access Control machine of server end by the Data Concurrent of the status information Access Control machine acquisition state monitoring equipment being arranged at transformer substation end.Server not only carries out scope judgement to the frequently-used data of SF6 gas monitor apparatus, Gas in Oil of Transformer monitoring equipment, disconnector and straight-flow system, also by carrying out the diagnosis of health value to the frequently-used data of SF6 gas monitor apparatus, Gas in Oil of Transformer monitoring equipment, disconnector and straight-flow system, carry out diagnosing the incipient fault of SF6 gas monitor apparatus, Gas in Oil of Transformer monitoring equipment, disconnector and straight-flow system, safe and reliable.
Accompanying drawing explanation
Fig. 1 is block diagram of the present invention;
Fig. 2 is the inventive method process flow diagram.
Embodiment
Below in conjunction with accompanying drawing, technical scheme of the present invention is described in further detail: as shown in Figure 1, a kind of multidata Transformer Substation Online Monitoring System, it comprises server end and transformer substation end; Server end is connected with transformer substation end by second level Electricity Information Network;
Described server end comprise by first order Electricity Information Network be connected to each other real-time/historical data base, server, interface message processor (IMP) and status information Access Network shutdown;
Described transformer substation end comprises multiple transformer station, described transformer station comprises by station internal information net interconnective status information Access Control machine and condition monitoring device, and wherein status information Access Control machine directly or be connected with condition monitoring device by state monitoring agent device;
Described condition monitoring device comprises SF6 gas monitor apparatus, Gas in Oil of Transformer monitoring equipment, disconnector and straight-flow system, and wherein the monitoring variable of SF6 gas monitor apparatus comprises environment temperature, ambient humidity, micro-water content, pressure, 20 degree of pressure, humidity, 20 degree of humidity, density, temperature, dew point, pressure alarm thresholding, pressure alarm releasing, pressure atresia thresholding, pressure atresias remove; The monitoring variable of Gas in Oil of Transformer monitoring equipment comprises hydrogen, methane, ethane, ethene, acetylene, total hydrocarbon, micro-water content, carbon monoxide and carbon dioxide; The monitoring variable of disconnector comprises contact temperature; The monitoring variable of straight-flow system comprises positive and negative busbar insulating resistance, positive and negative busbar voltage, the positive and negative insulation resistance of branch road.SF6 gas monitor apparatus is used for the SF6 gas of monitoring breaker and combined electrical apparatus.
The monitoring variable of the condition monitoring device received is sent to the shutdown of status information Access Network by station internal information net, second level Electricity Information Network, first order Electricity Information Network by status information Access Control machine successively, the shutdown of status information Access Network forwards the data to interface message processor (IMP), interface message processor (IMP) sends data in real time/historical data base preservation, and server is analyzed in real time/historical data simultaneously.
At least one firewall box is provided with between described first order Electricity Information Network and second level Electricity Information Network.
Described state monitoring agent device is connected with multiple condition monitoring device by multiport transponder; 103/104 communication protocol is adopted between multiport transponder and condition monitoring device.
I2 interface protocol is adopted between described second level Electricity Information Network and station internal information net; DL/T860 stipulations are adopted between status information Access Control machine and state monitoring agent device; DL/T860 stipulations are adopted between status information Access Control machine and condition monitoring device; I2 interface protocol is adopted between interface message processor (IMP) and the shutdown of status information Access Network.
As shown in Figure 2, a kind of on-line monitoring method of multidata Transformer Substation Online Monitoring System comprises SF6 gas monitor apparatus on-line monitoring step, Gas in Oil of Transformer monitoring equipment on-line monitoring step, disconnector on-line monitoring step and straight-flow system on-line monitoring step;
Described SF6 gas monitor apparatus on-line monitoring step comprises following sub-step:
S11: status information Access Control machine receives the monitoring variable of SF6 gas monitor apparatus, comprises environment temperature, ambient humidity, micro-water content, pressure, 20 degree of pressure, humidity, 20 degree of humidity, density, temperature, dew point, pressure alarm thresholding, pressure alarm releasing, pressure atresia thresholding, pressure atresias removes;
S12: the monitoring variable of the SF6 gas monitor apparatus received is sent to the shutdown of status information Access Network by station internal information net, second level Electricity Information Network, first order Electricity Information Network by status information Access Control machine successively;
S13: the shutdown of status information Access Network forwards the data to interface message processor (IMP);
S14: interface message processor (IMP) sends data in real time/historical data base preservation, server is analyzed in real time/historical data simultaneously, comprise SF6 gas monitor apparatus Threshold Analysis sub-step and SF6 gas monitor apparatus health degree judges sub-step, described SF6 gas monitor apparatus Threshold Analysis sub-step comprises following sub-step: judge environment temperature, ambient humidity, micro-water content, pressure, 20 degree of pressure, humidity, 20 degree of humidity, density, temperature, dew point, pressure alarm thresholding, pressure alarm is removed, pressure atresia thresholding, whether any one in pressure atresia releasing exceedes setting range, if exceed, produce warning information,
Described SF6 gas monitor apparatus health degree judges the following sub-step of sub-step:
S141: set up the monitoring variable of SF6 gas monitor apparatus and the system of time correlation;
S142: the time series that the data difference soil boy structure temperature automatically according in real time/historical data base after the certain hour set, ambient humidity, micro-water content, pressure, 20 degree of pressure, humidity, 20 degree of humidity, density, temperature, dew point, pressure alarm thresholding, pressure alarm releasing, pressure atresia thresholding, pressure atresias are removed;
S143: by all time series fitting a straight lines, is normalized slope by the slope of digital simulation straight line, forms the value between-1 to 1, and as eigenwert;
S144: respectively the eigenwert that environment temperature, ambient humidity, micro-water content, pressure, 20 degree of pressure, humidity, 20 degree of humidity, density, temperature, dew point, pressure alarm thresholding, pressure alarm releasing, pressure atresia thresholding, pressure atresias are removed is weighted on average according to certain weight, be formed in the first dimensionless group between 0 to 1, the first dimensionless group represents the degree of SF6 gas monitor apparatus hydraulic performance decline;
Close to 100, S145: the health value representing the equipment that control SF6 gas produces with (1-first dimensionless group) * 100, more represents that health degrees are better, more represent that health status is poorer close to 0 on the contrary; The health value of equipment produced when control SF6 gas is less than the SF6 gas monitor apparatus health value threshold value of setting, produces warning information;
Described Gas in Oil of Transformer monitoring equipment on-line monitoring step comprises following sub-step:
S21: status information Access Control machine receives the monitoring variable of Gas in Oil of Transformer monitoring equipment, comprises hydrogen, methane, ethane, ethene, acetylene, total hydrocarbon, micro-water content, carbon monoxide and carbon dioxide;
S22: the monitoring variable of the Gas in Oil of Transformer monitoring equipment received is sent to the shutdown of status information Access Network by station internal information net, second level Electricity Information Network, first order Electricity Information Network by status information Access Control machine successively;
S23: the shutdown of status information Access Network forwards the data to interface message processor (IMP);
S24: interface message processor (IMP) sends data in real time/historical data base preservation, server is analyzed in real time/historical data simultaneously, comprise Gas in Oil of Transformer monitoring equipment Threshold Analysis sub-step and Gas in Oil of Transformer monitoring equipment health degree judges sub-step, described Gas in Oil of Transformer monitoring equipment Threshold Analysis sub-step comprises following sub-step: judge whether any one in hydrogen, methane, ethane, ethene, acetylene, total hydrocarbon, micro-water content, carbon monoxide and carbon dioxide exceedes setting range, if exceed, produces warning information;
Described Gas in Oil of Transformer monitoring equipment health degree judges the following sub-step of sub-step:
S241: set up the monitoring variable of Gas in Oil of Transformer monitoring equipment and the system of time correlation;
S242: automatically form the time series of hydrogen, methane, ethane, ethene, acetylene, total hydrocarbon, micro-water content, carbon monoxide and carbon dioxide respectively according to the data of in real time/historical data base after the certain hour set;
S243: by all time series fitting a straight lines, is normalized slope by the slope of digital simulation straight line, forms the value between-1 to 1, and as eigenwert;
S244: respectively the eigenwert of hydrogen, methane, ethane, ethene, acetylene, total hydrocarbon, micro-water content, carbon monoxide and carbon dioxide is weighted on average according to certain weight, be formed in the second dimensionless group between 0 to 1, the second dimensionless group represents the degree of Gas in Oil of Transformer monitoring equipment hydraulic performance decline;
S245: the health value representing the equipment producing Gas in Oil of Transformer with (1-second dimensionless group) * 100, more represent that health degree is better close to 100, contrary more poorer close to 0 expression health status, when the health value of equipment producing Gas in Oil of Transformer is less than the Gas in Oil of Transformer monitoring equipment health value threshold value of setting, produce warning information;
Described disconnector on-line monitoring step comprises following sub-step:
S31: status information Access Control machine receives the monitoring variable of disconnector, comprises contact temperature;
S32: the monitoring variable of the disconnector received is sent to the shutdown of status information Access Network by station internal information net, second level Electricity Information Network, first order Electricity Information Network by status information Access Control machine successively;
S33: the shutdown of status information Access Network forwards the data to interface message processor (IMP);
S34: interface message processor (IMP) sends data in real time/historical data base preservation, server is analyzed in real time/historical data simultaneously, comprise disconnector Threshold Analysis sub-step and disconnector health degree judges sub-step, described disconnector Threshold Analysis sub-step comprises following sub-step: judge whether any one in contact temperature exceedes setting range, if exceed, produces warning information;
Described disconnector health degree judges the following sub-step of sub-step:
S341: set up the monitoring variable of disconnector and the system of time correlation;
S342: automatically form the time series of contact temperature respectively according to the data of in real time/historical data base after the certain hour set;
S343: by all time series fitting a straight lines, is normalized slope by the slope of digital simulation straight line, forms the value between-1 to 1, and as eigenwert;
S344: respectively the eigenwert of contact temperature is weighted on average according to certain weight, be formed in the 3rd dimensionless group between 0 to 1, the 3rd dimensionless group represents the degree of disconnector hydraulic performance decline;
S345: the health value representing disconnector with (1-the 3rd dimensionless group) * 100, more represent that health degree is better close to 100, contrary more represent that health status is poorer close to 0, when the health value of disconnector is less than the disconnector health value threshold value of setting, produce warning information.
Described straight-flow system on-line monitoring step comprises following sub-step:
S41: status information Access Control machine receives the monitoring variable of straight-flow system, comprises positive and negative busbar insulating resistance, positive and negative busbar voltage, the positive and negative insulation resistance of branch road;
S42: the monitoring variable of the straight-flow system received is sent to the shutdown of status information Access Network by station internal information net, second level Electricity Information Network, first order Electricity Information Network by status information Access Control machine successively;
S43: the shutdown of status information Access Network forwards the data to interface message processor (IMP);
S44: interface message processor (IMP) sends data in real time/historical data base preservation, server is analyzed in real time/historical data simultaneously, comprise straight-flow system Threshold Analysis sub-step and straight-flow system health degree judges sub-step, described straight-flow system Threshold Analysis sub-step comprises following sub-step: judge whether any one in positive and negative busbar insulating resistance, positive and negative busbar voltage, the positive and negative insulation resistance of branch road exceedes setting range, if exceed, produces warning information;
Described straight-flow system health degree judges the following sub-step of sub-step:
S441: set up the monitoring variable of straight-flow system and the system of time correlation;
S442: automatically form the time series of positive and negative busbar insulating resistance, positive and negative busbar voltage, the positive and negative insulation resistance of branch road respectively according to the data of in real time/historical data base after the certain hour set;
S443: by all time series fitting a straight lines, is normalized slope by the slope of digital simulation straight line, forms the value between-1 to 1, and as eigenwert;
S444: the eigenwert of positive and negative busbar insulating resistance, positive and negative busbar voltage, the positive and negative insulation resistance of branch road be weighted on average according to certain weight respectively, is formed in the 4th dimensionless group between 0 to 1;
S445: represent the health value of straight-flow system with (1-the 4th dimensionless group) * 100, when the health value of straight-flow system is less than the straight-flow system health value threshold value of setting, produces warning information.

Claims (5)

1. a multidata Transformer Substation Online Monitoring System, is characterized in that: it comprises server end and transformer substation end; Server end is connected with transformer substation end by second level Electricity Information Network;
Described server end comprise by first order Electricity Information Network be connected to each other real-time/historical data base, server, interface message processor (IMP) and status information Access Network shutdown;
Described transformer substation end comprises multiple transformer station, described transformer station comprises by station internal information net interconnective status information Access Control machine and condition monitoring device, and wherein status information Access Control machine directly or be connected with condition monitoring device by state monitoring agent device;
Described condition monitoring device comprises SF6 gas monitor apparatus, Gas in Oil of Transformer monitoring equipment, disconnector and straight-flow system, and wherein the monitoring variable of SF6 gas monitor apparatus comprises environment temperature, ambient humidity, micro-water content, pressure, 20 degree of pressure, humidity, 20 degree of humidity, density, temperature, dew point, pressure alarm thresholding, pressure alarm releasing, pressure atresia thresholding, pressure atresias remove; The monitoring variable of Gas in Oil of Transformer monitoring equipment comprises hydrogen, methane, ethane, ethene, acetylene, total hydrocarbon, micro-water content, carbon monoxide and carbon dioxide; The monitoring variable of disconnector comprises contact temperature; The monitoring variable of straight-flow system comprises positive and negative busbar insulating resistance, positive and negative busbar voltage, the positive and negative insulation resistance of branch road;
The monitoring variable of the condition monitoring device received is sent to the shutdown of status information Access Network by station internal information net, second level Electricity Information Network, first order Electricity Information Network by status information Access Control machine successively, the shutdown of status information Access Network forwards the data to interface message processor (IMP), interface message processor (IMP) sends data in real time/historical data base preservation, and server is analyzed in real time/historical data simultaneously.
2. the multidata Transformer Substation Online Monitoring System of one according to claim 1, is characterized in that: be provided with at least one firewall box between described first order Electricity Information Network and second level Electricity Information Network.
3. the multidata Transformer Substation Online Monitoring System of one according to claim 1, is characterized in that: described state monitoring agent device is connected with multiple condition monitoring device by multiport transponder; 103/104 communication protocol is adopted between multiport transponder and condition monitoring device.
4. the multidata Transformer Substation Online Monitoring System of one according to claim 1, is characterized in that: adopt I2 interface protocol between described second level Electricity Information Network and station internal information net; DL/T860 stipulations are adopted between status information Access Control machine and state monitoring agent device; DL/T860 stipulations are adopted between status information Access Control machine and condition monitoring device; I2 interface protocol is adopted between interface message processor (IMP) and the shutdown of status information Access Network.
5. as the on-line monitoring method of a kind of multidata Transformer Substation Online Monitoring System in claim 1 ~ 4 as described in any one, it is characterized in that: comprise SF6 gas monitor apparatus on-line monitoring step, Gas in Oil of Transformer monitoring equipment on-line monitoring step, disconnector on-line monitoring step and straight-flow system on-line monitoring step;
Described SF6 gas monitor apparatus on-line monitoring step comprises following sub-step:
S11: status information Access Control machine receives the monitoring variable of SF6 gas monitor apparatus, comprises environment temperature, ambient humidity, micro-water content, pressure, 20 degree of pressure, humidity, 20 degree of humidity, density, temperature, dew point, pressure alarm thresholding, pressure alarm releasing, pressure atresia thresholding, pressure atresias removes;
S12: the monitoring variable of the SF6 gas monitor apparatus received is sent to the shutdown of status information Access Network by station internal information net, second level Electricity Information Network, first order Electricity Information Network by status information Access Control machine successively;
S13: the shutdown of status information Access Network forwards the data to interface message processor (IMP);
S14: interface message processor (IMP) sends data in real time/historical data base preservation, server is analyzed in real time/historical data simultaneously, comprise SF6 gas monitor apparatus Threshold Analysis sub-step and SF6 gas monitor apparatus health degree judges sub-step, described SF6 gas monitor apparatus Threshold Analysis sub-step comprises following sub-step: judge environment temperature, ambient humidity, micro-water content, pressure, 20 degree of pressure, humidity, 20 degree of humidity, density, temperature, dew point, pressure alarm thresholding, pressure alarm is removed, pressure atresia thresholding, whether any one in pressure atresia releasing exceedes setting range, if exceed, produce warning information,
Described SF6 gas monitor apparatus health degree judges the following sub-step of sub-step:
S141: set up the monitoring variable of SF6 gas monitor apparatus and the system of time correlation;
S142: the time series that the data difference soil boy structure temperature automatically according in real time/historical data base after the certain hour set, ambient humidity, micro-water content, pressure, 20 degree of pressure, humidity, 20 degree of humidity, density, temperature, dew point, pressure alarm thresholding, pressure alarm releasing, pressure atresia thresholding, pressure atresias are removed;
S143: by all time series fitting a straight lines, is normalized slope by the slope of digital simulation straight line, forms the value between-1 to 1, and as eigenwert;
S144: respectively the eigenwert that environment temperature, ambient humidity, micro-water content, pressure, 20 degree of pressure, humidity, 20 degree of humidity, density, temperature, dew point, pressure alarm thresholding, pressure alarm releasing, pressure atresia thresholding, pressure atresias are removed is weighted on average according to certain weight, is formed in the first dimensionless group between 0 to 1;
S145: the health value of the equipment produced with (1-first dimensionless group) * 100 representative controls SF6 gas, when the health value of the equipment of controls SF6 gas generation is less than the SF6 gas monitor apparatus health value threshold value of setting, generation warning information;
Described Gas in Oil of Transformer monitoring equipment on-line monitoring step comprises following sub-step:
S21: status information Access Control machine receives the monitoring variable of Gas in Oil of Transformer monitoring equipment, comprises hydrogen, methane, ethane, ethene, acetylene, total hydrocarbon, micro-water content, carbon monoxide and carbon dioxide;
S22: the monitoring variable of the Gas in Oil of Transformer monitoring equipment received is sent to the shutdown of status information Access Network by station internal information net, second level Electricity Information Network, first order Electricity Information Network by status information Access Control machine successively;
S23: the shutdown of status information Access Network forwards the data to interface message processor (IMP);
S24: interface message processor (IMP) sends data in real time/historical data base preservation, server is analyzed in real time/historical data simultaneously, comprise Gas in Oil of Transformer monitoring equipment Threshold Analysis sub-step and Gas in Oil of Transformer monitoring equipment health degree judges sub-step, described Gas in Oil of Transformer monitoring equipment Threshold Analysis sub-step comprises following sub-step: judge whether any one in hydrogen, methane, ethane, ethene, acetylene, total hydrocarbon, micro-water content, carbon monoxide and carbon dioxide exceedes setting range, if exceed, produces warning information;
Described Gas in Oil of Transformer monitoring equipment health degree judges the following sub-step of sub-step:
S241: set up the monitoring variable of Gas in Oil of Transformer monitoring equipment and the system of time correlation;
S242: automatically form the time series of hydrogen, methane, ethane, ethene, acetylene, total hydrocarbon, micro-water content, carbon monoxide and carbon dioxide respectively according to the data of in real time/historical data base after the certain hour set;
S243: by all time series fitting a straight lines, is normalized slope by the slope of digital simulation straight line, forms the value between-1 to 1, and as eigenwert;
S244: the eigenwert of hydrogen, methane, ethane, ethene, acetylene, total hydrocarbon, micro-water content, carbon monoxide and carbon dioxide be weighted on average according to certain weight respectively, is formed in the second dimensionless group between 0 to 1;
S245: the health value representing the equipment producing Gas in Oil of Transformer with (1-second dimensionless group) * 100, when the health value of equipment producing Gas in Oil of Transformer is less than the Gas in Oil of Transformer monitoring equipment health value threshold value of setting, produce warning information;
Described disconnector on-line monitoring step comprises following sub-step:
S31: status information Access Control machine receives the monitoring variable of disconnector, comprises contact temperature;
S32: the monitoring variable of the disconnector received is sent to the shutdown of status information Access Network by station internal information net, second level Electricity Information Network, first order Electricity Information Network by status information Access Control machine successively;
S33: the shutdown of status information Access Network forwards the data to interface message processor (IMP);
S34: interface message processor (IMP) sends data in real time/historical data base preservation, server is analyzed in real time/historical data simultaneously, comprise disconnector Threshold Analysis sub-step and disconnector health degree judges sub-step, described disconnector Threshold Analysis sub-step comprises following sub-step: judge whether any one in contact temperature exceedes setting range, if exceed, produces warning information;
Described disconnector health degree judges the following sub-step of sub-step:
S341: set up the monitoring variable of disconnector and the system of time correlation;
S342: automatically form the time series of contact temperature respectively according to the data of in real time/historical data base after the certain hour set;
S343: by all time series fitting a straight lines, is normalized slope by the slope of digital simulation straight line, forms the value between-1 to 1, and as eigenwert;
S344: the eigenwert of contact temperature be weighted on average according to certain weight respectively, is formed in the 3rd dimensionless group between 0 to 1;
S345: represent the health value of disconnector with (1-the 3rd dimensionless group) * 100, when the health value of disconnector is less than the disconnector health value threshold value of setting, produces warning information;
Described straight-flow system on-line monitoring step comprises following sub-step:
S41: status information Access Control machine receives the monitoring variable of straight-flow system, comprises positive and negative busbar insulating resistance, positive and negative busbar voltage, the positive and negative insulation resistance of branch road;
S42: the monitoring variable of the straight-flow system received is sent to the shutdown of status information Access Network by station internal information net, second level Electricity Information Network, first order Electricity Information Network by status information Access Control machine successively;
S43: the shutdown of status information Access Network forwards the data to interface message processor (IMP);
S44: interface message processor (IMP) sends data in real time/historical data base preservation, server is analyzed in real time/historical data simultaneously, comprise straight-flow system Threshold Analysis sub-step and straight-flow system health degree judges sub-step, described straight-flow system Threshold Analysis sub-step comprises following sub-step: judge whether any one in positive and negative busbar insulating resistance, positive and negative busbar voltage, the positive and negative insulation resistance of branch road exceedes setting range, if exceed, produces warning information;
Described straight-flow system health degree judges the following sub-step of sub-step:
S441: set up the monitoring variable of straight-flow system and the system of time correlation;
S442: automatically form the time series of positive and negative busbar insulating resistance, positive and negative busbar voltage, the positive and negative insulation resistance of branch road respectively according to the data of in real time/historical data base after the certain hour set;
S443: by all time series fitting a straight lines, is normalized slope by the slope of digital simulation straight line, forms the value between-1 to 1, and as eigenwert;
S444: the eigenwert of positive and negative busbar insulating resistance, positive and negative busbar voltage, the positive and negative insulation resistance of branch road be weighted on average according to certain weight respectively, is formed in the 4th dimensionless group between 0 to 1;
S445: represent the health value of straight-flow system with (1-the 4th dimensionless group) * 100, when the health value of straight-flow system is less than the straight-flow system health value threshold value of setting, produces warning information.
CN201510569158.5A 2015-09-09 2015-09-09 Multi-data transformer station on-line monitoring system and on-line monitoring method thereof Pending CN105093036A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201510569158.5A CN105093036A (en) 2015-09-09 2015-09-09 Multi-data transformer station on-line monitoring system and on-line monitoring method thereof

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201510569158.5A CN105093036A (en) 2015-09-09 2015-09-09 Multi-data transformer station on-line monitoring system and on-line monitoring method thereof

Publications (1)

Publication Number Publication Date
CN105093036A true CN105093036A (en) 2015-11-25

Family

ID=54573919

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201510569158.5A Pending CN105093036A (en) 2015-09-09 2015-09-09 Multi-data transformer station on-line monitoring system and on-line monitoring method thereof

Country Status (1)

Country Link
CN (1) CN105093036A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105974249A (en) * 2016-07-25 2016-09-28 肖锐 Power transmission and transformation equipment monitoring system
CN111007366A (en) * 2019-12-17 2020-04-14 武汉拓清科技有限公司 Oil type casing hidden danger monitoring system and method

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN201690272U (en) * 2010-03-31 2010-12-29 丽水电业局 Power online monitoring and management system
CN202009267U (en) * 2011-04-20 2011-10-12 安徽省电力公司合肥供电公司 Integrated intelligent transformer substation equipment state monitoring and analysis system
CN102790429A (en) * 2012-08-07 2012-11-21 国电南瑞科技股份有限公司 On-line intelligent monitoring module for intelligent transformer substation GISs (gas insulated switchgear)
CN202634082U (en) * 2012-06-27 2012-12-26 国家电网公司 On-line monitoring and early warning system for direct-current equipment of substations
CN203149047U (en) * 2013-01-29 2013-08-21 云南电网公司大理供电局 On-line transformer station monitoring system based on layered framework
CN103457356A (en) * 2013-09-14 2013-12-18 毛振刚 Intelligent on-line monitoring system for power grid power transmission and transformation equipment
CN103823433A (en) * 2014-01-08 2014-05-28 国家电网公司 Method for realizing relay protection equipment on-line monitoring by use of communication process analysis
CN105091947A (en) * 2015-09-09 2015-11-25 成都比善科技开发有限公司 On-line monitoring method of multi-data transformer station on-line monitoring system

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN201690272U (en) * 2010-03-31 2010-12-29 丽水电业局 Power online monitoring and management system
CN202009267U (en) * 2011-04-20 2011-10-12 安徽省电力公司合肥供电公司 Integrated intelligent transformer substation equipment state monitoring and analysis system
CN202634082U (en) * 2012-06-27 2012-12-26 国家电网公司 On-line monitoring and early warning system for direct-current equipment of substations
CN102790429A (en) * 2012-08-07 2012-11-21 国电南瑞科技股份有限公司 On-line intelligent monitoring module for intelligent transformer substation GISs (gas insulated switchgear)
CN203149047U (en) * 2013-01-29 2013-08-21 云南电网公司大理供电局 On-line transformer station monitoring system based on layered framework
CN103457356A (en) * 2013-09-14 2013-12-18 毛振刚 Intelligent on-line monitoring system for power grid power transmission and transformation equipment
CN103823433A (en) * 2014-01-08 2014-05-28 国家电网公司 Method for realizing relay protection equipment on-line monitoring by use of communication process analysis
CN105091947A (en) * 2015-09-09 2015-11-25 成都比善科技开发有限公司 On-line monitoring method of multi-data transformer station on-line monitoring system

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
王德文等: "智能变电站状态监测系统的设计方案", 《电力系统自动化》 *
邵新杰等: "《复杂装备故障预测与健康管理技术》", 31 December 2013 *

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105974249A (en) * 2016-07-25 2016-09-28 肖锐 Power transmission and transformation equipment monitoring system
CN105974249B (en) * 2016-07-25 2019-02-22 江苏未来智慧信息科技有限公司 A kind of power transmission and transforming equipment monitoring system
CN111007366A (en) * 2019-12-17 2020-04-14 武汉拓清科技有限公司 Oil type casing hidden danger monitoring system and method

Similar Documents

Publication Publication Date Title
Kezunovic Smart fault location for smart grids
CN105242130A (en) Online monitoring method for online substation monitoring system with high safety performance
Sannino et al. Reliability of collection grids for large offshore wind parks
CN102361351A (en) Remote monitoring diagnosis system of power system
CN102142719A (en) Method for integration and data processing of insulated on-line monitoring system of transformer substation
CN105093036A (en) Multi-data transformer station on-line monitoring system and on-line monitoring method thereof
CN105071541A (en) High-reliability substation online monitoring system
CN105093037A (en) Transformer station on-line monitoring system with high safety and on-line monitoring method thereof
CN105158608A (en) On-line monitoring method of on-line monitoring system in power station
CN104882962A (en) Information acquisition monitoring system based on BeiDou satellite and information acquisition method based on BeiDou satellite
CN107144757A (en) A kind of Buchholz relay oil stream flow velocity on-Line Monitor Device and method
CN106950459A (en) A kind of distributed single-phase earth fault decision method
CN105091947A (en) On-line monitoring method of multi-data transformer station on-line monitoring system
Berdishev et al. Reliability indicators of 10 kV cable lines in rural areas
CN106327356A (en) Data mining-based power distribution network fault precise localization method
CN105093038A (en) On-line monitoring system for transformer station and on-line monitoring method thereof
Hyvarinen et al. A comprehensive secondary substation monitoring system
CN203561717U (en) Distribution board direct current ground connection alarm device
CN106655128B (en) A kind of power distribution network part power-off control system and distribution network system
CN105093040A (en) Transformer station on-line monitoring system with high safety
CN105071542A (en) Substation on-line monitoring system and on-line monitoring method thereof
CN105182127A (en) Online monitoring method of substation online monitoring system
CN105182128A (en) Multiple-data substation online monitoring system
CN102495179A (en) Insulating gas detection system and data management method thereof
CN105071543A (en) Substation n on-line monitoring system

Legal Events

Date Code Title Description
PB01 Publication
C06 Publication
SE01 Entry into force of request for substantive examination
C10 Entry into substantive examination
RJ01 Rejection of invention patent application after publication

Application publication date: 20151125

RJ01 Rejection of invention patent application after publication