CN105093038A - On-line monitoring system for transformer station and on-line monitoring method thereof - Google Patents
On-line monitoring system for transformer station and on-line monitoring method thereof Download PDFInfo
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Abstract
The present invention discloses an on-line monitoring system for a transformer station and an on-line monitoring method thereof. The on-line monitoring system for the transformer station comprises a server side and a transformer station side; the server side is connected with the transformer station side through a second stage electric power information network; the server side includes a real time/historical database, a server, an interface machine and a state information access gateway machine which are connected with each other through a first stage electric power information network; and the transformer station side includes a plurality of transformer stations, each transformer station includes a state information access control machine and a state monitoring device which are connected with each other through a station information network, and the state information access control machine is directly connected with the state monitoring device or is connected with the state monitoring device through a state monitoring agent device. According to the invention, the frequently-used data of a transformer, a GIS local-discharge device and a breaker is subjected to determination of the threshold values, and the health values and the potential faults of the frequently-used data are diagnosed, therefore the on-line monitoring system for the transformer station and the on-line monitoring method thereof are safe and reliable.
Description
Technical field
The present invention relates to a kind of on-line monitoring system for transformer station 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 on-line monitoring system for transformer station 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 on-line monitoring system for transformer station, 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 transformer, equipment and isolating switch are put in GIS office, and wherein the monitoring variable of transformer comprises iron core grounding current, transformer oil pump condition, transformer blower fan operating mode, transformer oil pump working current, transformer blower fan working current, transformer blower fan operating voltage; The monitoring variable that GIS office puts comprises partial discharge quantity maximal value, discharge phase and discharge time; The monitoring variable of isolating switch comprises running current, dropout current, accumulative dropout current, closing operation number of times, sub-switching operation number of times, separating brake current amplitude, switching current amplitude, separating brake current peak, switching current peak value, opening time, closing time, accumulative contact head abrasive loss, the energy storage motor number of starts, energy storage motor electric current, energy storage motor single energy storage time, energy storage click voltage, backward stick action speed and backward stick action stroke;
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.
For an on-line monitoring method for the on-line monitoring system of transformer station, it comprises transformer online monitoring step, equipment on-line monitoring step is put in GIS office and isolating switch on-line monitoring step;
Described transformer online monitoring step comprises following sub-step:
S11: status information Access Control machine receives the monitoring variable of transformer, comprises iron core grounding current, transformer oil pump condition, transformer blower fan operating mode, transformer oil pump working current, transformer blower fan working current, transformer blower fan operating voltage;
S12: the monitoring variable of the transformer 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 transformer Threshold Analysis sub-step and transformer health degree judges sub-step, described transformer Threshold Analysis sub-step comprises following sub-step: judge whether any one in iron core grounding current, transformer oil pump condition, transformer blower fan operating mode, transformer oil pump working current, transformer blower fan working current, transformer blower fan operating voltage exceedes setting range, if exceed, produces warning information;
Described transformer health degree judges the following sub-step of sub-step:
S141: set up the monitoring variable of transformer and the system of time correlation;
S142: automatically form the time series of iron core grounding current, transformer oil pump condition, transformer blower fan operating mode, transformer oil pump working current, transformer blower fan working current, transformer blower fan operating voltage respectively according to the data of in real time/historical data base after the certain hour set;
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: the eigenwert of core ground current, transformer oil pump condition, transformer blower fan operating mode, transformer oil pump working current, transformer blower fan working current, transformer blower fan operating voltage be weighted on average according to certain weight respectively, is formed in the first dimensionless group between 0 to 1;
S145: represent the health value of transformer with (1-first dimensionless group) * 100, when the health value of transformer is less than the transformer health value threshold value of setting, produces warning information;
Described GIS office puts equipment on-line monitoring step and comprises following sub-step:
S21: status information Access Control machine receives the monitoring variable that equipment is put in GIS office, comprises partial discharge quantity maximal value, discharge phase and discharge time;
S22: the monitoring variable that equipment is put by status information Access Control machine in the GIS office 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 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 GIS office to put device threshold and analyze sub-step and GIS office and put equipment health degree and judge sub-step, described GIS office puts device threshold analysis sub-step and comprises following sub-step: judge whether any one in partial discharge quantity maximal value, discharge phase and discharge time exceedes setting range, if exceed, produces warning information;
Described GIS office puts equipment health degree and judges the following sub-step of sub-step:
S241: set up GIS office and put the monitoring variable of equipment and the system of time correlation;
S242: automatically form the time series of partial discharge quantity maximal value, discharge phase and discharge time 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 partial discharge quantity maximal value, discharge phase and discharge time be weighted on average according to certain weight respectively, is formed in the second dimensionless group between 0 to 1;
S245: represent the health value that equipment is put in GIS office with (1-second dimensionless group) * 100, equipment health value threshold value is put in the GIS office that the health value of putting equipment when GIS office is less than setting, produces warning information;
Described isolating switch on-line monitoring step comprises following sub-step:
S31: status information Access Control machine receives the monitoring variable of isolating switch, comprises running current, dropout current, accumulative dropout current, closing operation number of times, sub-switching operation number of times, separating brake current amplitude, switching current amplitude, separating brake current peak, switching current peak value, opening time, closing time, accumulative contact head abrasive loss, the energy storage motor number of starts, energy storage motor electric current, energy storage motor single energy storage time, energy storage click voltage, backward stick action speed and backward stick action stroke;
S32: the monitoring variable of the isolating switch 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 isolating switch Threshold Analysis sub-step and isolating switch health degree judges sub-step, described isolating switch Threshold Analysis sub-step comprises following sub-step: judge running current, dropout current, accumulative dropout current, closing operation number of times, sub-switching operation number of times, separating brake current amplitude, switching current amplitude, separating brake current peak, switching current peak value, opening time, closing time, accumulative contact head abrasive loss, the energy storage motor number of starts, energy storage motor electric current, energy storage motor single energy storage time, voltage is clicked in energy storage, whether any one in backward stick action speed and backward stick action stroke exceedes setting range, if exceed, produce warning information,
Described isolating switch health degree judges the following sub-step of sub-step:
S341: set up the monitoring variable of isolating switch and the system of time correlation;
S342: automatically form running current respectively according to the data of in real time/historical data base after the certain hour set, dropout current, accumulative dropout current, closing operation number of times, sub-switching operation number of times, separating brake current amplitude, switching current amplitude, separating brake current peak, switching current peak value, opening time, closing time, accumulative contact head abrasive loss, the energy storage motor number of starts, energy storage motor electric current, energy storage motor single energy storage time, voltage is clicked in energy storage, the time series of backward stick action speed and backward stick action stroke,
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 running current, dropout current, accumulative dropout current, closing operation number of times, sub-switching operation number of times, separating brake current amplitude, switching current amplitude, separating brake current peak, switching current peak value, opening time, closing time, accumulative contact head abrasive loss, the energy storage motor number of starts, energy storage motor electric current, energy storage motor single energy storage time, energy storage click voltage, backward stick action speed and backward stick action stroke is weighted on average according to certain weight, is formed in the 3rd dimensionless group between 0 to 1;
S345: represent the health value of isolating switch with (1-the 3rd dimensionless group) * 100, when the health value of isolating switch is less than the isolating switch health value threshold value of setting, produces warning information.
The invention has the beneficial effects as follows: the present invention to transformer conventional in transformer station, equipment is put in GIS office and isolating switch carries out on-line monitoring, 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 threshold decision to the frequently-used data that equipment and isolating switch are put in transformer, GIS office, frequently-used data also by putting equipment and isolating switch to transformer, GIS office carries out the diagnosis of health value, the incipient fault of carrying out putting transformer, GIS office equipment and isolating switch is diagnosed, 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 on-line monitoring system for transformer station, 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 transformer, equipment and isolating switch are put in GIS office, and wherein the monitoring variable of transformer comprises iron core grounding current, transformer oil pump condition, transformer blower fan operating mode, transformer oil pump working current, transformer blower fan working current, transformer blower fan operating voltage; The monitoring variable that GIS office puts comprises partial discharge quantity maximal value, discharge phase and discharge time; The monitoring variable of isolating switch comprises running current, dropout current, accumulative dropout current, closing operation number of times, sub-switching operation number of times, separating brake current amplitude, switching current amplitude, separating brake current peak, switching current peak value, opening time, closing time, accumulative contact head abrasive loss, the energy storage motor number of starts, energy storage motor electric current, energy storage motor single energy storage time, energy storage click voltage, backward stick action speed and backward stick action stroke;
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 the on-line monitoring system for transformer station, it comprises transformer online monitoring step, equipment on-line monitoring step is put in GIS office and isolating switch on-line monitoring step;
Described transformer online monitoring step comprises following sub-step:
S11: status information Access Control machine receives the monitoring variable of transformer, comprises iron core grounding current, transformer oil pump condition, transformer blower fan operating mode, transformer oil pump working current, transformer blower fan working current, transformer blower fan operating voltage;
S12: the monitoring variable of the transformer 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 transformer Threshold Analysis sub-step and transformer health degree judges sub-step, described transformer Threshold Analysis sub-step comprises following sub-step: judge whether any one in iron core grounding current, transformer oil pump condition, transformer blower fan operating mode, transformer oil pump working current, transformer blower fan working current, transformer blower fan operating voltage exceedes setting range, if exceed, produces warning information;
Described transformer health degree judges the following sub-step of sub-step:
S141: set up the monitoring variable of transformer and the system of time correlation;
S142: automatically form the time series of iron core grounding current, transformer oil pump condition, transformer blower fan operating mode, transformer oil pump working current, transformer blower fan working current, transformer blower fan operating voltage respectively according to the data of in real time/historical data base after the certain hour set;
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 of core ground current, transformer oil pump condition, transformer blower fan operating mode, transformer oil pump working current, transformer blower fan working current, transformer blower fan operating voltage 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 that transformer performance declines;
Close to 100, S145: the health value representing transformer with (1-first dimensionless group) * 100, more represents that health degree is better, more represent that health status is poorer close to 0 on the contrary; When the health value of transformer is less than the transformer health value threshold value of setting, produce warning information;
Described GIS office puts equipment on-line monitoring step and comprises following sub-step:
S21: status information Access Control machine receives the monitoring variable that equipment is put in GIS office, comprises partial discharge quantity maximal value, discharge phase and discharge time;
S22: the monitoring variable that equipment is put by status information Access Control machine in the GIS office 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 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 GIS office to put device threshold and analyze sub-step and GIS office and put equipment health degree and judge sub-step, described GIS office puts device threshold analysis sub-step and comprises following sub-step: judge whether any one in partial discharge quantity maximal value, discharge phase and discharge time exceedes setting range, if exceed, produces warning information;
Described GIS office puts equipment health degree and judges the following sub-step of sub-step:
S241: set up GIS office and put the monitoring variable of equipment and the system of time correlation;
S242: automatically form the time series of partial discharge quantity maximal value, discharge phase and discharge time 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 partial discharge quantity maximal value, discharge phase and discharge time be weighted on average according to certain weight respectively, is formed in the second dimensionless group between 0 to 1, and the second dimensionless group represents the degree that equipment performance decline is put in GIS office;
S245: represent the health value that equipment is put in GIS office with (1-second dimensionless group) * 100, more represent that health degree is better close to 100, contrary more represent that health status is poorer close to 0, equipment health value threshold value is put in the GIS office that the health value of putting equipment when GIS office is less than setting, produces warning information;
Described isolating switch on-line monitoring step comprises following sub-step:
S31: status information Access Control machine receives the monitoring variable of isolating switch, comprises running current, dropout current, accumulative dropout current, closing operation number of times, sub-switching operation number of times, separating brake current amplitude, switching current amplitude, separating brake current peak, switching current peak value, opening time, closing time, accumulative contact head abrasive loss, the energy storage motor number of starts, energy storage motor electric current, energy storage motor single energy storage time, energy storage click voltage, backward stick action speed and backward stick action stroke;
S32: the monitoring variable of the isolating switch 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 isolating switch Threshold Analysis sub-step and isolating switch health degree judges sub-step, described isolating switch Threshold Analysis sub-step comprises following sub-step: judge running current, dropout current, accumulative dropout current, closing operation number of times, sub-switching operation number of times, separating brake current amplitude, switching current amplitude, separating brake current peak, switching current peak value, opening time, closing time, accumulative contact head abrasive loss, the energy storage motor number of starts, energy storage motor electric current, energy storage motor single energy storage time, voltage is clicked in energy storage, whether any one in backward stick action speed and backward stick action stroke exceedes setting range, if exceed, produce warning information,
Described isolating switch health degree judges the following sub-step of sub-step:
S341: set up the monitoring variable of isolating switch and the system of time correlation;
S342: automatically form running current respectively according to the data of in real time/historical data base after the certain hour set, dropout current, accumulative dropout current, closing operation number of times, sub-switching operation number of times, separating brake current amplitude, switching current amplitude, separating brake current peak, switching current peak value, opening time, closing time, accumulative contact head abrasive loss, the energy storage motor number of starts, energy storage motor electric current, energy storage motor single energy storage time, voltage is clicked in energy storage, the time series of backward stick action speed and backward stick action stroke,
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 by running current, dropout current, accumulative dropout current, closing operation number of times, sub-switching operation number of times, separating brake current amplitude, switching current amplitude, separating brake current peak, switching current peak value, opening time, closing time, accumulative contact head abrasive loss, the energy storage motor number of starts, energy storage motor electric current, energy storage motor single energy storage time, voltage is clicked in energy storage, the eigenwert of backward stick action speed and backward stick action stroke is weighted on average according to certain weight, be formed in the 3rd dimensionless group between 0 to 1, 3rd dimensionless group represents the degree of isolating switch hydraulic performance decline,
S345: the health value representing isolating switch 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 isolating switch is less than the isolating switch health value threshold value of setting, produce warning information.
Claims (5)
1. for an on-line monitoring system for transformer station, it 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 transformer, equipment and isolating switch are put in GIS office, and wherein the monitoring variable of transformer comprises iron core grounding current, transformer oil pump condition, transformer blower fan operating mode, transformer oil pump working current, transformer blower fan working current, transformer blower fan operating voltage; The monitoring variable that GIS office puts comprises partial discharge quantity maximal value, discharge phase and discharge time; The monitoring variable of isolating switch comprises running current, dropout current, accumulative dropout current, closing operation number of times, sub-switching operation number of times, separating brake current amplitude, switching current amplitude, separating brake current peak, switching current peak value, opening time, closing time, accumulative contact head abrasive loss, the energy storage motor number of starts, energy storage motor electric current, energy storage motor single energy storage time, energy storage click voltage, backward stick action speed and backward stick action stroke;
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. a kind of on-line monitoring system for transformer station 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. a kind of on-line monitoring system for transformer station 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. a kind of on-line monitoring system for transformer station 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 on-line monitoring system for transformer station in claim 1 ~ 4 as described in any one, it is characterized in that: it comprises transformer online monitoring step, equipment on-line monitoring step is put in GIS office and isolating switch on-line monitoring step;
Described transformer online monitoring step comprises following sub-step:
S11: status information Access Control machine receives the monitoring variable of transformer, comprises iron core grounding current, transformer oil pump condition, transformer blower fan operating mode, transformer oil pump working current, transformer blower fan working current, transformer blower fan operating voltage;
S12: the monitoring variable of the transformer 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 transformer Threshold Analysis sub-step and transformer health degree judges sub-step, described transformer Threshold Analysis sub-step comprises following sub-step: judge whether any one in iron core grounding current, transformer oil pump condition, transformer blower fan operating mode, transformer oil pump working current, transformer blower fan working current, transformer blower fan operating voltage exceedes setting range, if exceed, produces warning information;
Described transformer health degree judges the following sub-step of sub-step:
S141: set up the monitoring variable of transformer and the system of time correlation;
S142: automatically form the time series of iron core grounding current, transformer oil pump condition, transformer blower fan operating mode, transformer oil pump working current, transformer blower fan working current, transformer blower fan operating voltage respectively according to the data of in real time/historical data base after the certain hour set;
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: the eigenwert of core ground current, transformer oil pump condition, transformer blower fan operating mode, transformer oil pump working current, transformer blower fan working current, transformer blower fan operating voltage be weighted on average according to certain weight respectively, is formed in the first dimensionless group between 0 to 1;
S145: represent the health value of transformer with (1-first dimensionless group) * 100, when the health value of transformer is less than the transformer health value threshold value of setting, produces warning information;
Described GIS office puts equipment on-line monitoring step and comprises following sub-step:
S21: status information Access Control machine receives the monitoring variable that equipment is put in GIS office, comprises partial discharge quantity maximal value, discharge phase and discharge time;
S22: the monitoring variable that equipment is put by status information Access Control machine in the GIS office 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 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 GIS office to put device threshold and analyze sub-step and GIS office and put equipment health degree and judge sub-step, described GIS office puts device threshold analysis sub-step and comprises following sub-step: judge whether any one in partial discharge quantity maximal value, discharge phase and discharge time exceedes setting range, if exceed, produces warning information;
Described GIS office puts equipment health degree and judges the following sub-step of sub-step:
S241: set up GIS office and put the monitoring variable of equipment and the system of time correlation;
S242: automatically form the time series of partial discharge quantity maximal value, discharge phase and discharge time 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 partial discharge quantity maximal value, discharge phase and discharge time be weighted on average according to certain weight respectively, is formed in the second dimensionless group between 0 to 1;
S245: represent the health value that equipment is put in GIS office with (1-second dimensionless group) * 100, equipment health value threshold value is put in the GIS office that the health value of putting equipment when GIS office is less than setting, produces warning information;
Described isolating switch on-line monitoring step comprises following sub-step:
S31: status information Access Control machine receives the monitoring variable of isolating switch, comprises running current, dropout current, accumulative dropout current, closing operation number of times, sub-switching operation number of times, separating brake current amplitude, switching current amplitude, separating brake current peak, switching current peak value, opening time, closing time, accumulative contact head abrasive loss, the energy storage motor number of starts, energy storage motor electric current, energy storage motor single energy storage time, energy storage click voltage, backward stick action speed and backward stick action stroke;
S32: the monitoring variable of the isolating switch 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 isolating switch Threshold Analysis sub-step and isolating switch health degree judges sub-step, described isolating switch Threshold Analysis sub-step comprises following sub-step: judge running current, dropout current, accumulative dropout current, closing operation number of times, sub-switching operation number of times, separating brake current amplitude, switching current amplitude, separating brake current peak, switching current peak value, opening time, closing time, accumulative contact head abrasive loss, the energy storage motor number of starts, energy storage motor electric current, energy storage motor single energy storage time, voltage is clicked in energy storage, whether any one in backward stick action speed and backward stick action stroke exceedes setting range, if exceed, produce warning information,
Described isolating switch health degree judges the following sub-step of sub-step:
S341: set up the monitoring variable of isolating switch and the system of time correlation;
S342: automatically form running current respectively according to the data of in real time/historical data base after the certain hour set, dropout current, accumulative dropout current, closing operation number of times, sub-switching operation number of times, separating brake current amplitude, switching current amplitude, separating brake current peak, switching current peak value, opening time, closing time, accumulative contact head abrasive loss, the energy storage motor number of starts, energy storage motor electric current, energy storage motor single energy storage time, voltage is clicked in energy storage, the time series of backward stick action speed and backward stick action stroke,
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 running current, dropout current, accumulative dropout current, closing operation number of times, sub-switching operation number of times, separating brake current amplitude, switching current amplitude, separating brake current peak, switching current peak value, opening time, closing time, accumulative contact head abrasive loss, the energy storage motor number of starts, energy storage motor electric current, energy storage motor single energy storage time, energy storage click voltage, backward stick action speed and backward stick action stroke is weighted on average according to certain weight, is formed in the 3rd dimensionless group between 0 to 1;
S345: represent the health value of isolating switch with (1-the 3rd dimensionless group) * 100, when the health value of isolating switch is less than the isolating switch health value threshold value of setting, produces warning information.
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