CN105071541A - High-reliability substation online monitoring system - Google Patents

High-reliability substation online monitoring system Download PDF

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Publication number
CN105071541A
CN105071541A CN201510569140.5A CN201510569140A CN105071541A CN 105071541 A CN105071541 A CN 105071541A CN 201510569140 A CN201510569140 A CN 201510569140A CN 105071541 A CN105071541 A CN 105071541A
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China
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current
transformer
value
voltage
monitoring
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CN201510569140.5A
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黄华林
郑敏
朱志鹏
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Chengdu Bilsum Science And Technology Development Co Ltd
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Chengdu Bilsum Science And Technology Development Co Ltd
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Priority to CN201510569140.5A priority Critical patent/CN105071541A/en
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    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y04INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
    • Y04SSYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
    • Y04S10/00Systems supporting electrical power generation, transmission or distribution
    • Y04S10/16Electric power substations

Abstract

The invention discloses a high-reliability substation online monitoring system. The high-reliability substation online monitoring system includes a server end and a substation end; and the server end is connected with the substation end; the server end includes a database, a server, an interface machine and a state information access gateway machine which are connected with each other through a first-level power information network; the substation end includes a plurality of substations, wherein the substation includes a state information access control machine and state monitoring devices which are connected with each other through an instation information network, wherein the state information access control machine is directly connected with the state monitoring devices or are connected with the state monitoring devices through a state monitoring agent device, and the state monitoring device includes a transformer, a GIS partial discharge device, a circuit breaker, a voltage transformer, a lightning arrester, an environmental monitoring device, an SF6 gas monitoring device, a transformer gas-in-oil monitoring device, a disconnecting switch and a direct current system. With the high-reliability substation online monitoring system of the invention adopted, range judgment can be performed on monitored frequently-used data, and diagnosis of health values and potential faults can be realized. The high-reliability substation online monitoring system is safe and reliable.

Description

The Transformer Substation Online Monitoring System that a kind of reliability is high
Technical field
The present invention relates to the Transformer Substation Online Monitoring System that a kind of reliability is high.
Background technology
Transformer station, changes the place of voltage.In order to the power delivery that power plant is sent is 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 capital 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 power 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 power transmission 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 capital 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 of on-line monitoring.
Summary of the invention
The object of the invention is to overcome the deficiencies in the prior art, the Transformer Substation Online Monitoring System that a kind of reliability is high is provided.
The object of the invention is to be achieved through the following technical solutions: the Transformer Substation Online Monitoring System that a kind of reliability is high, 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 state information Access Network shutdown;
Described transformer substation end comprises multiple transformer station, described transformer station comprises by station internal information net interconnective state information access control machine and condition monitoring device, and wherein state information access control machine directly or be connected with condition monitoring device by state monitoring agent device;
Described condition monitoring device comprises transformer, equipment is put in GIS office, circuit breaker, capacitor mutual-inductor, voltage transformer, lightning arrester, enviromental monitoring equipment, SF6 gas monitor apparatus, Gas in Oil of Transformer monitoring equipment, isolating switch and direct current system, and wherein the monitoring variable of transformer comprises iron core grounding current, transformer oil pump condition, transformer blower fan operating mode, transformer oil pump operating current, transformer blower fan operating current, transformer blower fan operating voltage; The monitoring variable that GIS office puts comprises partial discharge quantity maximum, discharge phase and discharge time; The monitoring variable of circuit breaker comprises running current, drop-out current, accumulative drop-out 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 capacitor mutual-inductor comprises leakage current, dielectric loss, electric capacity and three-phase leakage current sum; The monitoring variable of voltage transformer comprises the difference of secondary side voltage, three-phase voltage sum, in the same way voltage; The monitoring variable of lightning arrester comprises leakage current, current in resistance property, capacitance-resistance ratio, thunderbolt time and action frequency; The monitoring variable of enviromental monitoring equipment comprises temperature, humidity, storage battery float charge voltage, storage battery even charging voltage, single battery voltage, accumulator internal resistance, equivalent salt density, average leakage current, maximum leakage electric current and leakage current; The monitoring variable of SF6 gas monitor apparatus comprises ambient 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; 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 isolating switch comprises contact temperature; The monitoring variable of direct current 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 state information Access Network by station internal information net, second level Electricity Information Network, first order Electricity Information Network by state information access control machine successively, the shutdown of state 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:
Data analysis for transformer: set up the monitoring variable of transformer and the system of time correlation; Automatic basis in real time/data of historical data base form the time series of iron core grounding current, transformer oil pump condition, transformer blower fan operating mode, transformer oil pump operating current, transformer blower fan operating current, transformer blower fan operating voltage respectively; By all time series fitting a straight lines, by the slope of digital simulation straight line, slope is normalized, forms the value between-1 to 1, and as characteristic value; Respectively the characteristic value of core earth current, transformer oil pump condition, transformer blower fan operating mode, transformer oil pump operating current, transformer blower fan operating 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 health value of transformer is represented with (1-first dimensionless group) * 100, when the health value of transformer is less than the transformer health value threshold value of setting, produce warning information; Simultaneously when iron core grounding current, transformer oil pump condition, transformer blower fan operating mode, transformer oil pump operating current, transformer blower fan operating current, transformer blower fan operating voltage wherein have one to exceed setting range, also warning information can be produced;
GIS office is put to the data analysis of equipment: set up GIS office and put the monitoring variable of equipment and the system of time correlation; Automatic basis in real time/data of historical data base form the time series of partial discharge quantity maximum, discharge phase and discharge time respectively; By all time series fitting a straight lines, by the slope of digital simulation straight line, slope is normalized, forms the value between-1 to 1, and as characteristic value; Respectively the characteristic value of partial discharge quantity maximum, discharge phase and discharge time is weighted on average according to certain weight, be formed in the second dimensionless group between 0 to 1, the health value that equipment is put in GIS office is represented 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; Simultaneously when partial discharge quantity maximum, discharge phase and discharge time wherein have one to exceed setting range, also warning information can be produced;
Data analysis for circuit breaker: set up the monitoring variable of circuit breaker and the system of time correlation, automatic basis in real time/data of historical data base form running current respectively, voltage, backward stick action speed and backward stick action stroke are clicked in drop-out current, accumulative drop-out 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 time series, by all time series fitting a straight lines, by the slope of digital simulation straight line, slope is normalized, forms the value between-1 to 1, and as characteristic value, respectively by running current, drop-out current, accumulative drop-out 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 characteristic value 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, the health value of circuit breaker is represented with (1-the 3rd dimensionless group) * 100, when the health value of circuit breaker is less than setting circuit breaker health value threshold value, produce warning information, simultaneously when running current, drop-out current, accumulative drop-out 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 wherein have one to exceed setting range, also warning information can be produced.
Data analysis for capacitor mutual-inductor: set up the monitoring variable of capacitor mutual-inductor and the system of time correlation; Automatic basis in real time/data of historical data base form the time series of leakage current, dielectric loss, electric capacity and three-phase leakage current sum respectively; By all time series fitting a straight lines, by the slope of digital simulation straight line, slope is normalized, forms the value between-1 to 1, and as characteristic value; Respectively the characteristic value of leakage current, dielectric loss, electric capacity and three-phase leakage current is weighted on average according to certain weight, be formed in the 4th dimensionless group between 0 to 1, the health value of capacitor mutual-inductor is represented with (1-the 4th dimensionless group) * 100, when the health value of capacitor mutual-inductor is less than the capacitor mutual-inductor health value threshold value of setting, produce warning information; Simultaneously when leakage current, dielectric loss, electric capacity and three-phase leakage current sum wherein have one to exceed setting threshold, also warning information can be produced;
Data analysis for voltage transformer: set up the monitoring variable of voltage transformer and the system of time correlation; Automatic basis in real time/data of historical data base form the time series of difference of secondary side voltage, three-phase voltage sum, in the same way voltage respectively; By all time series fitting a straight lines, by the slope of digital simulation straight line, slope is normalized, forms the value between-1 to 1, and as characteristic value; Respectively the characteristic value of the difference of secondary side voltage, three-phase voltage sum, in the same way voltage is weighted on average according to certain weight, be formed in the 5th dimensionless group between 0 to 1, by the health value of (1-the 5th dimensionless group) * 100 representative voltage instrument transformers, when the health value of voltage transformer is less than the voltage transformer health value threshold value of setting, produce warning information; Simultaneously when the difference of secondary side voltage, three-phase voltage sum, in the same way voltage wherein has one to exceed setting threshold, also warning information can be produced;
Data analysis for lightning arrester: set up the monitoring variable of lightning arrester and the system of time correlation; Automatic basis in real time/data of historical data base form the time series of leakage current, current in resistance property, capacitance-resistance ratio, thunderbolt time and action frequency respectively; By all time series fitting a straight lines, by the slope of digital simulation straight line, slope is normalized, forms the value between-1 to 1, and as characteristic value; Respectively the characteristic value of leakage current, current in resistance property, capacitance-resistance ratio, thunderbolt time and action frequency is weighted on average according to certain weight, be formed in the 6th dimensionless group between 0 to 1, the health value of lightning arrester is represented with (1-the 6th dimensionless group) * 100, when the health value of lightning arrester is less than setting lightning arrester health value threshold value, produce warning information; Simultaneously when leakage current, current in resistance property, capacitance-resistance ratio, thunderbolt time and action frequency wherein have one to exceed setting threshold, also warning information can be produced;
Data analysis for enviromental monitoring equipment: set up the monitoring variable of lightning arrester and the system of time correlation; Automatic basis in real time/time series of the data of historical data base formation temperature, humidity, storage battery float charge voltage, storage battery even charging voltage, single battery voltage, accumulator internal resistance, equivalent salt density, average leakage current, maximum leakage electric current and leakage current respectively; By all time series fitting a straight lines, by the slope of digital simulation straight line, slope is normalized, forms the value between-1 to 1, and as characteristic value; Respectively the characteristic value of temperature, humidity, storage battery float charge voltage, storage battery even charging voltage, single battery voltage, accumulator internal resistance, equivalent salt density, average leakage current, maximum leakage electric current and leakage current is weighted on average according to certain weight, be formed in the 7th dimensionless group between 0 to 1, the health value of the situation that controls environment is represented with (1-the 7th dimensionless group) * 100, when the health value of the situation of controling environment is less than set environment monitoring equipment health value threshold value, produce warning information; Simultaneously when temperature, humidity, storage battery float charge voltage, storage battery even charging voltage, single battery voltage, accumulator internal resistance, equivalent salt density, average leakage current, maximum leakage electric current and leakage current wherein have one to exceed setting threshold, also warning information can be produced;
Data analysis for SF6 gas monitor apparatus: set up the monitoring variable of SF6 gas monitor apparatus and the system of time correlation; Automatic basis in real time/time series of the data of historical data base soil boy structure temperature, ambient humidity, micro-water content, pressure, 20 degree pressure, humidity, 20 degree of humidity, density, temperature, dew point, pressure alarm thresholding, pressure alarm releasing, the releasing of pressure atresia thresholding, pressure atresia respectively; By all time series fitting a straight lines, by the slope of digital simulation straight line, slope is normalized, forms the value between-1 to 1, and as characteristic value; Respectively the characteristic value that ambient 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 8th dimensionless group between 0 to 1, the health value of the equipment that control SF6 gas produces is represented with (1-the 8th dimensionless group) * 100, 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; Simultaneously when ambient 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, the releasings of pressure atresia thresholding, pressure atresia wherein have one to exceed setting threshold, also warning information can be produced;
Data analysis for Gas in Oil of Transformer monitoring equipment: set up the monitoring variable of Gas in Oil of Transformer monitoring equipment and the system of time correlation; Automatic basis in real time/data of historical data base form the time series of hydrogen, methane, ethane, ethene, acetylene, total hydrocarbon, micro-water content, carbon monoxide and carbon dioxide respectively; By all time series fitting a straight lines, by the slope of digital simulation straight line, slope is normalized, forms the value between-1 to 1, and as characteristic value; Respectively the characteristic value 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 9th dimensionless group between 0 to 1, the health value of the equipment producing Gas in Oil of Transformer is represented with (1-the 9th 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; Simultaneously when hydrogen, methane, ethane, ethene, acetylene, total hydrocarbon, micro-water content, carbon monoxide and carbon dioxide wherein have one to exceed setting threshold, also warning information can be produced;
Data analysis for isolating switch: set up the monitoring variable of isolating switch and the system of time correlation; Automatic basis in real time/data of historical data base form the time series of contact temperature respectively; By all time series fitting a straight lines, by the slope of digital simulation straight line, slope is normalized, forms the value between-1 to 1, and as characteristic value; Respectively the characteristic value of contact temperature is weighted on average according to certain weight, be formed in the tenth dimensionless group between 0 to 1, the health value of isolating switch is represented with (1-the tenth dimensionless group) * 100, when the health value of isolating switch is less than setting isolating switch health value threshold value, produce warning information; Simultaneously when contact temperature wherein has one to exceed setting threshold, also warning information can be produced;
Data analysis for direct current system: set up the monitoring variable of isolating switch and the system of time correlation; Automatic basis in real time/data of historical data base 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; By all time series fitting a straight lines, by the slope of digital simulation straight line, slope is normalized, forms the value between-1 to 1, and as characteristic value; Respectively the characteristic value of positive and negative busbar insulating resistance, positive and negative busbar voltage, the positive and negative insulation resistance of branch road is weighted on average according to certain weight, be formed in the 11 dimensionless group between 0 to 1, the health value of direct current system is represented with (1-the 11 dimensionless group) * 100, when the health value of direct current system is less than setting direct current system health value threshold value, produce warning information; Simultaneously when positive and negative busbar insulating resistance, positive and negative busbar voltage, the positive and negative insulation resistance of branch road wherein have one to exceed setting threshold, also warning information can be produced.
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 state information access control machine and state monitoring agent device; DL/T860 stipulations are adopted between state information access control machine and condition monitoring device; I2 interface protocol is adopted between interface message processor (IMP) and the shutdown of state information Access Network.
The invention has the beneficial effects as follows: the present invention is put equipment, circuit breaker, capacitor mutual-inductor, voltage transformer, lightning arrester, enviromental monitoring equipment, SF6 gas monitor apparatus, Gas in Oil of Transformer monitoring equipment, isolating switch and direct current system carry out on-line monitoring to transformer conventional in transformer station, GIS office, is delivered to the state information access control machine of server end by the Data Concurrent of the state information access control machine acquisition state monitoring equipment being arranged at transformer substation end.Server is not only to transformer, equipment is put in GIS office, circuit breaker, capacitor mutual-inductor, voltage transformer, lightning arrester, enviromental monitoring equipment, SF6 gas monitor apparatus, Gas in Oil of Transformer monitoring equipment, the frequently-used data of isolating switch and direct current system carries out scope judgement, also pass through transformer, the frequently-used data that equipment and circuit breaker are put in GIS office carries out the diagnosis of health value, carry out transformer, equipment is put in GIS office, circuit breaker, capacitor mutual-inductor, voltage transformer, lightning arrester, enviromental monitoring equipment, SF6 gas monitor apparatus, Gas in Oil of Transformer monitoring equipment, the incipient fault of isolating switch and direct current system is diagnosed, safe and reliable.
Accompanying drawing explanation
Fig. 1 is block diagram of the present invention.
Embodiment
Below in conjunction with accompanying drawing, technical scheme of the present invention is described in further detail: as shown in Figure 1, the Transformer Substation Online Monitoring System that a kind of reliability is high, 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 state information Access Network shutdown;
Described transformer substation end comprises multiple transformer station, described transformer station comprises by station internal information net interconnective state information access control machine and condition monitoring device, and wherein state information access control machine directly or be connected with condition monitoring device by state monitoring agent device;
Described condition monitoring device comprises transformer, equipment is put in GIS office, circuit breaker, capacitor mutual-inductor, voltage transformer, lightning arrester, enviromental monitoring equipment, SF6 gas monitor apparatus, Gas in Oil of Transformer monitoring equipment, isolating switch and direct current system, and wherein the monitoring variable of transformer comprises iron core grounding current, transformer oil pump condition, transformer blower fan operating mode, transformer oil pump operating current, transformer blower fan operating current, transformer blower fan operating voltage; The monitoring variable that GIS office puts comprises partial discharge quantity maximum, discharge phase and discharge time; The monitoring variable of circuit breaker comprises running current, drop-out current, accumulative drop-out 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 capacitor mutual-inductor comprises leakage current, dielectric loss, electric capacity and three-phase leakage current sum; The monitoring variable of voltage transformer comprises the difference of secondary side voltage, three-phase voltage sum, in the same way voltage; The monitoring variable of lightning arrester comprises leakage current, current in resistance property, capacitance-resistance ratio, thunderbolt time and action frequency; The monitoring variable of enviromental monitoring equipment comprises temperature, humidity, storage battery float charge voltage, storage battery even charging voltage, single battery voltage, accumulator internal resistance, equivalent salt density, average leakage current, maximum leakage electric current and leakage current; The monitoring variable of SF6 gas monitor apparatus comprises ambient 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; 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 isolating switch comprises contact temperature; The monitoring variable of direct current 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 state information Access Network by station internal information net, second level Electricity Information Network, first order Electricity Information Network by state information access control machine successively, the shutdown of state 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:
Data analysis for transformer: set up the monitoring variable of transformer and the system of time correlation; Automatically the time series of iron core grounding current, transformer oil pump condition, transformer blower fan operating mode, transformer oil pump operating current, transformer blower fan operating current, transformer blower fan operating voltage is formed respectively according to the data of in real time/historical data base after the certain hour set; By all time series fitting a straight lines, by the slope of digital simulation straight line, slope is normalized, forms the value between-1 to 1, and as characteristic value; Respectively the characteristic value of core earth current, transformer oil pump condition, transformer blower fan operating mode, transformer oil pump operating current, transformer blower fan operating 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; Represent the health value of transformer with (1-first dimensionless group) * 100, more represent that health degrees are better close to 100, 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; Simultaneously when iron core grounding current, transformer oil pump condition, transformer blower fan operating mode, transformer oil pump operating current, transformer blower fan operating current, transformer blower fan operating voltage wherein have one to exceed setting range, also warning information can be produced;
GIS office is put to the data analysis of equipment: set up GIS office and put the monitoring variable of equipment and the system of time correlation; Automatically the time series of partial discharge quantity maximum, discharge phase and discharge time is formed respectively according to the data of in real time/historical data base after the certain hour set; By all time series fitting a straight lines, by the slope of digital simulation straight line, slope is normalized, forms the value between-1 to 1, and as characteristic value; The characteristic value of partial discharge quantity maximum, discharge phase and discharge time be weighted on average according to certain weight respectively, be formed in the second dimensionless group between 0 to 1, the second dimensionless group represents the degree that equipment performance decline is put in GIS office; The health value that equipment is put in GIS office is represented 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; Simultaneously when partial discharge quantity maximum, discharge phase and discharge time wherein have one to exceed setting range, also warning information can be produced;
Data analysis for circuit breaker: set up the monitoring variable of circuit breaker and the system of time correlation, automatically running current is formed respectively according to the data of in real time/historical data base after the certain hour set, drop-out current, accumulative drop-out 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, by all time series fitting a straight lines, by the slope of digital simulation straight line, slope is normalized, forms the value between-1 to 1, and as characteristic value, respectively by running current, drop-out current, accumulative drop-out 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 characteristic value 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 circuit breaker hydraulic performance decline, represent the health value of circuit breaker with (1-the 3rd dimensionless group) * 100, more represent that health degree is better close to 100, more represent that health status is poorer close to 0 on the contrary, when the health value of circuit breaker is less than setting circuit breaker health value threshold value, produce warning information, simultaneously when running current, drop-out current, accumulative drop-out 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 wherein have one to exceed setting range, also warning information can be produced.
Data analysis for capacitor mutual-inductor: set up the monitoring variable of capacitor mutual-inductor and the system of time correlation; Automatic basis in real time/data of historical data base form the time series of leakage current, dielectric loss, electric capacity and three-phase leakage current sum respectively; By all time series fitting a straight lines, by the slope of digital simulation straight line, slope is normalized, forms the value between-1 to 1, and as characteristic value; The characteristic value of leakage current, dielectric loss, electric capacity and three-phase leakage current be weighted on average according to certain weight respectively, be formed in the 4th dimensionless group between 0 to 1, the 4th dimensionless group represents the degree of capacitor mutual-inductor hydraulic performance decline; The health value of capacitor mutual-inductor is represented with (1-the 4th 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 capacitor mutual-inductor is less than the capacitor mutual-inductor health value threshold value of setting, produce warning information; Simultaneously when leakage current, dielectric loss, electric capacity and three-phase leakage current sum wherein have one to exceed setting threshold, also warning information can be produced;
Data analysis for voltage transformer: set up the monitoring variable of voltage transformer and the system of time correlation; Automatic basis in real time/data of historical data base form the time series of difference of secondary side voltage, three-phase voltage sum, in the same way voltage respectively; By all time series fitting a straight lines, by the slope of digital simulation straight line, slope is normalized, forms the value between-1 to 1, and as characteristic value; The characteristic value of the difference of secondary side voltage, three-phase voltage sum, in the same way voltage be weighted on average according to certain weight respectively, be formed in the 5th dimensionless group between 0 to 1, the 5th dimensionless group represents the degree of voltage transformer hydraulic performance decline; By the health value of (1-the 5th dimensionless group) * 100 representative voltage instrument transformers, 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 voltage transformer is less than the voltage transformer health value threshold value of setting, produce warning information; Simultaneously when the difference of secondary side voltage, three-phase voltage sum, in the same way voltage wherein has one to exceed setting threshold, also warning information can be produced;
Data analysis for lightning arrester: set up the monitoring variable of lightning arrester and the system of time correlation; Automatic basis in real time/data of historical data base form the time series of leakage current, current in resistance property, capacitance-resistance ratio, thunderbolt time and action frequency respectively; By all time series fitting a straight lines, by the slope of digital simulation straight line, slope is normalized, forms the value between-1 to 1, and as characteristic value; The characteristic value of leakage current, current in resistance property, capacitance-resistance ratio, thunderbolt time and action frequency be weighted on average according to certain weight respectively, be formed in the 6th dimensionless group between 0 to 1, the 6th dimensionless group represents the degree of lightning arrester hydraulic performance decline; Represent the health value of lightning arrester with (1-the 6th dimensionless group) * 100, more represent that health degree is better close to 100, more represent that health status is poorer close to 0 on the contrary, when the health value of lightning arrester is less than setting lightning arrester health value threshold value, produce warning information; Simultaneously when leakage current, current in resistance property, capacitance-resistance ratio, thunderbolt time and action frequency wherein have one to exceed setting threshold, also warning information can be produced;
Data analysis for enviromental monitoring equipment: set up the monitoring variable of lightning arrester and the system of time correlation; Automatic basis in real time/time series of the data of historical data base formation temperature, humidity, storage battery float charge voltage, storage battery even charging voltage, single battery voltage, accumulator internal resistance, equivalent salt density, average leakage current, maximum leakage electric current and leakage current respectively; By all time series fitting a straight lines, by the slope of digital simulation straight line, slope is normalized, forms the value between-1 to 1, and as characteristic value; Respectively the characteristic value of temperature, humidity, storage battery float charge voltage, storage battery even charging voltage, single battery voltage, accumulator internal resistance, equivalent salt density, average leakage current, maximum leakage electric current and leakage current is weighted on average according to certain weight, be formed in the 7th dimensionless group between 0 to 1, the 7th dimensionless group represents the degree of enviromental monitoring equipment hydraulic performance decline; The health value of the situation that controls environment is represented with (1-the 7th 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 the situation of controling environment is less than set environment monitoring equipment health value threshold value, produce warning information; Simultaneously when temperature, humidity, storage battery float charge voltage, storage battery even charging voltage, single battery voltage, accumulator internal resistance, equivalent salt density, average leakage current, maximum leakage electric current and leakage current wherein have one to exceed setting threshold, also warning information can be produced.
Data analysis for SF6 gas monitor apparatus: set up the monitoring variable of SF6 gas monitor apparatus and the system of time correlation; Automatic basis in real time/time series of the data of historical data base soil boy structure temperature, ambient humidity, micro-water content, pressure, 20 degree pressure, humidity, 20 degree of humidity, density, temperature, dew point, pressure alarm thresholding, pressure alarm releasing, the releasing of pressure atresia thresholding, pressure atresia respectively; By all time series fitting a straight lines, by the slope of digital simulation straight line, slope is normalized, forms the value between-1 to 1, and as characteristic value; Respectively the characteristic value that ambient 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 8th dimensionless group between 0 to 1, the 8th dimensionless group represents the degree of SF6 gas monitor apparatus hydraulic performance decline; The health value of the equipment that control SF6 gas produces is represented with (1-the 8th dimensionless group) * 100, more represent that health degree is better close to 100, contrary more poorer close to 0 expression health status, 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; Simultaneously when ambient 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, the releasings of pressure atresia thresholding, pressure atresia wherein have one to exceed setting threshold, also warning information can be produced;
Data analysis for Gas in Oil of Transformer monitoring equipment: set up the monitoring variable of Gas in Oil of Transformer monitoring equipment and the system of time correlation; Automatic basis in real time/data of historical data base form the time series of hydrogen, methane, ethane, ethene, acetylene, total hydrocarbon, micro-water content, carbon monoxide and carbon dioxide respectively; By all time series fitting a straight lines, by the slope of digital simulation straight line, slope is normalized, forms the value between-1 to 1, and as characteristic value; Respectively the characteristic value 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 9th dimensionless group between 0 to 1, the 9th dimensionless group represents the degree of Gas in Oil of Transformer monitoring equipment hydraulic performance decline; The health value of the equipment producing Gas in Oil of Transformer is represented with (1-the 9th 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; Simultaneously when hydrogen, methane, ethane, ethene, acetylene, total hydrocarbon, micro-water content, carbon monoxide and carbon dioxide wherein have one to exceed setting threshold, also warning information can be produced;
Data analysis for isolating switch: set up the monitoring variable of isolating switch and the system of time correlation; Automatic basis in real time/data of historical data base form the time series of contact temperature respectively; By all time series fitting a straight lines, by the slope of digital simulation straight line, slope is normalized, forms the value between-1 to 1, and as characteristic value; The characteristic value of contact temperature be weighted on average according to certain weight respectively, be formed in the tenth dimensionless group between 0 to 1, the tenth dimensionless group represents the degree of isolating switch hydraulic performance decline; Represent the health value of isolating switch with (1-the tenth dimensionless group) * 100, more represent that health degree is better close to 100, more represent that health status is poorer close to 0 on the contrary, when the health value of isolating switch is less than setting isolating switch health value threshold value, produce warning information; Simultaneously when contact temperature wherein has one to exceed setting threshold, also warning information can be produced;
Data analysis for direct current system: set up the monitoring variable of isolating switch and the system of time correlation; Automatic basis in real time/data of historical data base 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; By all time series fitting a straight lines, by the slope of digital simulation straight line, slope is normalized, forms the value between-1 to 1, and as characteristic value; Respectively the characteristic value of positive and negative busbar insulating resistance, positive and negative busbar voltage, the positive and negative insulation resistance of branch road is weighted on average according to certain weight, be formed in the 11 dimensionless group between 0 to 1, the 11 dimensionless group represents the degree of direct current system hydraulic performance decline; The health value of direct current system is represented with (1-the 11 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 direct current system is less than setting direct current system health value threshold value, produce warning information; Simultaneously when positive and negative busbar insulating resistance, positive and negative busbar voltage, the positive and negative insulation resistance of branch road wherein have one to exceed setting threshold, also warning information can be produced.
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 state information access control machine and state monitoring agent device; DL/T860 stipulations are adopted between state information access control machine and condition monitoring device; I2 interface protocol is adopted between interface message processor (IMP) and the shutdown of state information Access Network.

Claims (3)

1. the Transformer Substation Online Monitoring System that reliability is high, 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 state information Access Network shutdown; At least one firewall box is provided with between described first order Electricity Information Network and second level Electricity Information Network;
Described transformer substation end comprises multiple transformer station, described transformer station comprises by station internal information net interconnective state information access control machine and condition monitoring device, and wherein state information access control machine directly or be connected with condition monitoring device by state monitoring agent device;
Described condition monitoring device comprises transformer, equipment is put in GIS office, circuit breaker, capacitor mutual-inductor, voltage transformer, lightning arrester, enviromental monitoring equipment, SF6 gas monitor apparatus, Gas in Oil of Transformer monitoring equipment, isolating switch and direct current system, and wherein the monitoring variable of transformer comprises iron core grounding current, transformer oil pump condition, transformer blower fan operating mode, transformer oil pump operating current, transformer blower fan operating current, transformer blower fan operating voltage; The monitoring variable that GIS office puts comprises partial discharge quantity maximum, discharge phase and discharge time; The monitoring variable of circuit breaker comprises running current, drop-out current, accumulative drop-out 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 capacitor mutual-inductor comprises leakage current, dielectric loss, electric capacity and three-phase leakage current sum; The monitoring variable of voltage transformer comprises the difference of secondary side voltage, three-phase voltage sum, in the same way voltage; The monitoring variable of lightning arrester comprises leakage current, current in resistance property, capacitance-resistance ratio, thunderbolt time and action frequency; The monitoring variable of enviromental monitoring equipment comprises temperature, humidity, storage battery float charge voltage, storage battery even charging voltage, single battery voltage, accumulator internal resistance, equivalent salt density, average leakage current, maximum leakage electric current and leakage current; The monitoring variable of SF6 gas monitor apparatus comprises ambient 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; 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 isolating switch comprises contact temperature; The monitoring variable of direct current 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 state information Access Network by station internal information net, second level Electricity Information Network, first order Electricity Information Network by state information access control machine successively, the shutdown of state 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:
Data analysis for transformer: set up the monitoring variable of transformer and the system of time correlation; Automatic basis in real time/data of historical data base form the time series of iron core grounding current, transformer oil pump condition, transformer blower fan operating mode, transformer oil pump operating current, transformer blower fan operating current, transformer blower fan operating voltage respectively; By all time series fitting a straight lines, by the slope of digital simulation straight line, slope is normalized, forms the value between-1 to 1, and as characteristic value; Respectively the characteristic value of core earth current, transformer oil pump condition, transformer blower fan operating mode, transformer oil pump operating current, transformer blower fan operating 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 health value of transformer is represented with (1-first dimensionless group) * 100, when the health value of transformer is less than the transformer health value threshold value of setting, produce warning information; Simultaneously when iron core grounding current, transformer oil pump condition, transformer blower fan operating mode, transformer oil pump operating current, transformer blower fan operating current, transformer blower fan operating voltage wherein have one to exceed setting range, also warning information can be produced;
GIS office is put to the data analysis of equipment: set up GIS office and put the monitoring variable of equipment and the system of time correlation; Automatic basis in real time/data of historical data base form the time series of partial discharge quantity maximum, discharge phase and discharge time respectively; By all time series fitting a straight lines, by the slope of digital simulation straight line, slope is normalized, forms the value between-1 to 1, and as characteristic value; Respectively the characteristic value of partial discharge quantity maximum, discharge phase and discharge time is weighted on average according to certain weight, be formed in the second dimensionless group between 0 to 1, the health value that equipment is put in GIS office is represented 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; Simultaneously when partial discharge quantity maximum, discharge phase and discharge time wherein have one to exceed setting range, also warning information can be produced;
Data analysis for circuit breaker: set up the monitoring variable of circuit breaker and the system of time correlation, automatic basis in real time/data of historical data base form running current respectively, voltage, backward stick action speed and backward stick action stroke are clicked in drop-out current, accumulative drop-out 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 time series, by all time series fitting a straight lines, by the slope of digital simulation straight line, slope is normalized, forms the value between-1 to 1, and as characteristic value, respectively by running current, drop-out current, accumulative drop-out 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 characteristic value 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, the health value of circuit breaker is represented with (1-the 3rd dimensionless group) * 100, when the health value of circuit breaker is less than setting circuit breaker health value threshold value, produce warning information, simultaneously when running current, drop-out current, accumulative drop-out 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 wherein have one to exceed setting range, also warning information can be produced,
Data analysis for capacitor mutual-inductor: set up the monitoring variable of capacitor mutual-inductor and the system of time correlation; Automatic basis in real time/data of historical data base form the time series of leakage current, dielectric loss, electric capacity and three-phase leakage current sum respectively; By all time series fitting a straight lines, by the slope of digital simulation straight line, slope is normalized, forms the value between-1 to 1, and as characteristic value; Respectively the characteristic value of leakage current, dielectric loss, electric capacity and three-phase leakage current is weighted on average according to certain weight, be formed in the 4th dimensionless group between 0 to 1, the health value of capacitor mutual-inductor is represented with (1-the 4th dimensionless group) * 100, when the health value of capacitor mutual-inductor is less than the capacitor mutual-inductor health value threshold value of setting, produce warning information; Simultaneously when leakage current, dielectric loss, electric capacity and three-phase leakage current sum wherein have one to exceed setting threshold, also warning information can be produced;
Data analysis for voltage transformer: set up the monitoring variable of voltage transformer and the system of time correlation; Automatic basis in real time/data of historical data base form the time series of difference of secondary side voltage, three-phase voltage sum, in the same way voltage respectively; By all time series fitting a straight lines, by the slope of digital simulation straight line, slope is normalized, forms the value between-1 to 1, and as characteristic value; Respectively the characteristic value of the difference of secondary side voltage, three-phase voltage sum, in the same way voltage is weighted on average according to certain weight, be formed in the 5th dimensionless group between 0 to 1, by the health value of (1-the 5th dimensionless group) * 100 representative voltage instrument transformers, when the health value of voltage transformer is less than the voltage transformer health value threshold value of setting, produce warning information; Simultaneously when the difference of secondary side voltage, three-phase voltage sum, in the same way voltage wherein has one to exceed setting threshold, also warning information can be produced;
Data analysis for lightning arrester: set up the monitoring variable of lightning arrester and the system of time correlation; Automatic basis in real time/data of historical data base form the time series of leakage current, current in resistance property, capacitance-resistance ratio, thunderbolt time and action frequency respectively; By all time series fitting a straight lines, by the slope of digital simulation straight line, slope is normalized, forms the value between-1 to 1, and as characteristic value; Respectively the characteristic value of leakage current, current in resistance property, capacitance-resistance ratio, thunderbolt time and action frequency is weighted on average according to certain weight, be formed in the 6th dimensionless group between 0 to 1, the health value of lightning arrester is represented with (1-the 6th dimensionless group) * 100, when the health value of lightning arrester is less than setting lightning arrester health value threshold value, produce warning information; Simultaneously when leakage current, current in resistance property, capacitance-resistance ratio, thunderbolt time and action frequency wherein have one to exceed setting threshold, also warning information can be produced;
Data analysis for enviromental monitoring equipment: set up the monitoring variable of lightning arrester and the system of time correlation; Automatic basis in real time/time series of the data of historical data base formation temperature, humidity, storage battery float charge voltage, storage battery even charging voltage, single battery voltage, accumulator internal resistance, equivalent salt density, average leakage current, maximum leakage electric current and leakage current respectively; By all time series fitting a straight lines, by the slope of digital simulation straight line, slope is normalized, forms the value between-1 to 1, and as characteristic value; Respectively the characteristic value of temperature, humidity, storage battery float charge voltage, storage battery even charging voltage, single battery voltage, accumulator internal resistance, equivalent salt density, average leakage current, maximum leakage electric current and leakage current is weighted on average according to certain weight, be formed in the 7th dimensionless group between 0 to 1, the health value of the situation that controls environment is represented with (1-the 7th dimensionless group) * 100, when the health value of the situation of controling environment is less than set environment monitoring equipment health value threshold value, produce warning information; Simultaneously when temperature, humidity, storage battery float charge voltage, storage battery even charging voltage, single battery voltage, accumulator internal resistance, equivalent salt density, average leakage current, maximum leakage electric current and leakage current wherein have one to exceed setting threshold, also warning information can be produced;
Data analysis for SF6 gas monitor apparatus: set up the monitoring variable of SF6 gas monitor apparatus and the system of time correlation; Automatic basis in real time/time series of the data of historical data base soil boy structure temperature, ambient humidity, micro-water content, pressure, 20 degree pressure, humidity, 20 degree of humidity, density, temperature, dew point, pressure alarm thresholding, pressure alarm releasing, the releasing of pressure atresia thresholding, pressure atresia respectively; By all time series fitting a straight lines, by the slope of digital simulation straight line, slope is normalized, forms the value between-1 to 1, and as characteristic value; Respectively the characteristic value that ambient 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 8th dimensionless group between 0 to 1, the health value of the equipment that control SF6 gas produces is represented with (1-the 8th dimensionless group) * 100, 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; Simultaneously when ambient 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, the releasings of pressure atresia thresholding, pressure atresia wherein have one to exceed setting threshold, also warning information can be produced;
Data analysis for Gas in Oil of Transformer monitoring equipment: set up the monitoring variable of Gas in Oil of Transformer monitoring equipment and the system of time correlation; Automatic basis in real time/data of historical data base form the time series of hydrogen, methane, ethane, ethene, acetylene, total hydrocarbon, micro-water content, carbon monoxide and carbon dioxide respectively; By all time series fitting a straight lines, by the slope of digital simulation straight line, slope is normalized, forms the value between-1 to 1, and as characteristic value; Respectively the characteristic value 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 9th dimensionless group between 0 to 1, the health value of the equipment producing Gas in Oil of Transformer is represented with (1-the 9th 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; Simultaneously when hydrogen, methane, ethane, ethene, acetylene, total hydrocarbon, micro-water content, carbon monoxide and carbon dioxide wherein have one to exceed setting threshold, also warning information can be produced;
Data analysis for isolating switch: set up the monitoring variable of isolating switch and the system of time correlation; Automatic basis in real time/data of historical data base form the time series of contact temperature respectively; By all time series fitting a straight lines, by the slope of digital simulation straight line, slope is normalized, forms the value between-1 to 1, and as characteristic value; Respectively the characteristic value of contact temperature is weighted on average according to certain weight, be formed in the tenth dimensionless group between 0 to 1, the health value of isolating switch is represented with (1-the tenth dimensionless group) * 100, when the health value of isolating switch is less than setting isolating switch health value threshold value, produce warning information; Simultaneously when contact temperature wherein has one to exceed setting threshold, also warning information can be produced;
Data analysis for direct current system: set up the monitoring variable of isolating switch and the system of time correlation; Automatic basis in real time/data of historical data base 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; By all time series fitting a straight lines, by the slope of digital simulation straight line, slope is normalized, forms the value between-1 to 1, and as characteristic value; Respectively the characteristic value of positive and negative busbar insulating resistance, positive and negative busbar voltage, the positive and negative insulation resistance of branch road is weighted on average according to certain weight, be formed in the 11 dimensionless group between 0 to 1, the health value of direct current system is represented with (1-the 11 dimensionless group) * 100, when the health value of direct current system is less than setting direct current system health value threshold value, produce warning information; Simultaneously when positive and negative busbar insulating resistance, positive and negative busbar voltage, the positive and negative insulation resistance of branch road wherein have one to exceed setting threshold, also warning information can be produced.
2. the Transformer Substation Online Monitoring System that a kind of reliability according to claim 1 is high, 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.
3. the Transformer Substation Online Monitoring System that a kind of reliability according to claim 1 is high, 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 state information access control machine and state monitoring agent device; DL/T860 stipulations are adopted between state information access control machine and condition monitoring device; I2 interface protocol is adopted between interface message processor (IMP) and the shutdown of state information Access Network.
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Application publication date: 20151118