CN102955145B - Running state simulation monitoring system for transformer - Google Patents
Running state simulation monitoring system for transformer Download PDFInfo
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- CN102955145B CN102955145B CN201210413747.0A CN201210413747A CN102955145B CN 102955145 B CN102955145 B CN 102955145B CN 201210413747 A CN201210413747 A CN 201210413747A CN 102955145 B CN102955145 B CN 102955145B
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- 238000012544 monitoring process Methods 0.000 title claims abstract description 47
- 238000004088 simulation Methods 0.000 title claims abstract description 15
- 238000004891 communication Methods 0.000 claims abstract description 10
- 239000002828 fuel tank Substances 0.000 claims description 147
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 35
- 238000005259 measurement Methods 0.000 claims description 30
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 22
- 238000012806 monitoring device Methods 0.000 claims description 15
- 230000001276 controlling effect Effects 0.000 claims description 11
- 239000007789 gas Substances 0.000 claims description 11
- 230000001105 regulatory effect Effects 0.000 claims description 8
- 238000004587 chromatography analysis Methods 0.000 claims description 7
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 claims description 6
- 238000009434 installation Methods 0.000 claims description 6
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 claims description 6
- 229910002091 carbon monoxide Inorganic materials 0.000 claims description 5
- 238000002347 injection Methods 0.000 claims description 5
- 239000007924 injection Substances 0.000 claims description 5
- 230000000903 blocking effect Effects 0.000 claims description 4
- 239000004020 conductor Substances 0.000 claims description 4
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 claims description 3
- OTMSDBZUPAUEDD-UHFFFAOYSA-N Ethane Chemical compound CC OTMSDBZUPAUEDD-UHFFFAOYSA-N 0.000 claims description 3
- VGGSQFUCUMXWEO-UHFFFAOYSA-N Ethene Chemical compound C=C VGGSQFUCUMXWEO-UHFFFAOYSA-N 0.000 claims description 3
- HSFWRNGVRCDJHI-UHFFFAOYSA-N alpha-acetylene Natural products C#C HSFWRNGVRCDJHI-UHFFFAOYSA-N 0.000 claims description 3
- 229910002092 carbon dioxide Inorganic materials 0.000 claims description 3
- 239000001569 carbon dioxide Substances 0.000 claims description 3
- 125000002534 ethynyl group Chemical group [H]C#C* 0.000 claims description 3
- 229910052739 hydrogen Inorganic materials 0.000 claims description 3
- 239000001257 hydrogen Substances 0.000 claims description 3
- 125000004435 hydrogen atom Chemical class [H]* 0.000 claims description 3
- 230000006870 function Effects 0.000 description 21
- 238000000034 method Methods 0.000 description 12
- 238000004458 analytical method Methods 0.000 description 8
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- 238000001514 detection method Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 238000004886 process control Methods 0.000 description 3
- 238000012360 testing method Methods 0.000 description 3
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- 238000004454 trace mineral analysis Methods 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 238000009529 body temperature measurement Methods 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 238000011208 chromatographic data Methods 0.000 description 1
- 238000005094 computer simulation Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
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Abstract
The invention relates to state monitoring and state overhauling systems for power transformer equipment, and in particular relates to a running state simulation monitoring system for a transformer. The running state simulation monitoring system for the transformer comprises a model body, and is characterized in that the model body is formed by communicating a first oil tank with a second oil tank by a pipeline, wherein the two oil tanks are respectively used for controlling and monitoring; a measuring control system is that a measuring device and a control device in the system are both integrally placed in a control and measuring cabinet; a background display system is placed in a control room at a remote end; and a PC (Personal Computer) in the control room is communicated with an industrial personal computer close to the oil tanks, so that the real-time communication of the field information can be realized.
Description
Technical field
The present invention relates to converting equipment status monitoring, repair based on condition of component, particularly running state of transformer emulation monitoring system.This system can realize the simulation of transformer operating condition, malfunction, can realize the detection to the performance of monitoring device and inspection.
Background technology
Converting equipment headed by transformer is the security of very important equipment in electric system, the direct influential system of its running status.Along with the iterative method of strong intelligent grid building-up work, in recent years, increasing condition monitoring device is applied to transformer station, for monitoring converting equipment running status.But, because China's monitoring technology is started late, the product of most domestic producer is all the product of imitation and foreign, Practical Performance aspect is short of, more lack corresponding pick-up unit and the testing agency performance to existing on-Line Monitor Device test and test simultaneously, cause that the monitoring result of on-line monitoring equipment cannot thoroughly believe, the reliability of device own is belittled, had a strong impact on the application of on-line monitoring technique in intelligent grid is built.
According to the knowledge of the applicant, current converting equipment monitoring technology is not yet ripe, state monitoring apparatus inspection means are deficient, become the bottleneck of Condition-based Maintenance of Substation Equipment technical development, seriously constrain the development that intelligent grid is built.Such as: method for measurement of partial discharge and surveying instrument on-the-spot poor anti jamming capability, breakdown location and diagnosis accuracy are not, electric discharge type identification is difficult, are badly in need of building the validity of AC and DC detection method for local discharge and the verification experimental verification environment of correlativity.
Content of the present invention provides platform construction for transformer Dynamic simulation, be conducive to the research of power transmission and transforming equipment running status on-line monitoring technique, comprehensive Performance Evaluation can be provided for power transmission and transforming equipment on-Line Monitor Device, for electric system provides up-to-standard on-Line Monitor Device, strengthen the credibility of on-Line Monitor Device, reduce the cost of grid maintenance, ensure power transmission and transforming equipment safe operation.
Summary of the invention
The object of the invention is, in order to study the fault characteristic of transformer, the validity of detection method further, the accuracy of correct assessment transformer monitoring device and reliability, propose the building method of transformer state emulation monitoring system.
The technical solution that the present invention adopts is: running state of transformer emulation monitoring system, it comprises model ontology, its difference is, described model ontology is by the first fuel tank, second fuel tank consists of pipeline UNICOM, two fuel tanks complete control different separately and monitoring function respectively, Measurement and Control System is by the measurement in system and control device is integrated on the spot is all placed among control survey cabinet, backstage display systems is positioned at the pulpit of far-end, the industrial computer communication that passage is deployed in the PC in pulpit and is positioned near fuel tank, achieve the real-time communication of field data, respectively at the first fuel tank, second fuel tank is equipped with the oil flow relay for preventing the blocking of oil stream, the pressure relief valve preventing oil pressure excessive is configured at the top of the first fuel tank, the second fuel tank, the vacuum pump vacuumized when being equipped with for changing oil in the first fuel tank, the second fuel tank respectively, in the installation top of the first fuel tank, the second fuel tank and bottom reserved oil sample acquisition port respectively, at the first fuel tank, the second fuel tank internal reserved installing thermometer respectively, in the first fuel tank, the second top of oil-tank reserved water injection interface respectively, install conservator and oil level indicator at the second top of oil-tank, the capacity in instruction fuel tank, described first top of oil-tank arranges the first sleeve pipe, the second sleeve pipe, the 3rd sleeve pipe, the pair of electrodes being arranged on the first fuel tank internal is connected with outside step-up transformer with the second sleeve pipe by the first sleeve pipe, by regulating the distance between the voltage of step-up transformer and two electrodes thus the discharge capacity changed between two electrodes, thus realize the simulation to different operating mode discharge capacity, 3rd sleeve pipe is connected with the first tank bottoms ground wire by conductor by the first fuel tank internal, and the 3rd sleeve pipe installs current feedback circuit additional, simulation iron core grounding current.
Further, reserved 6 for monitoring the UHF ultrahigh frequency mounted valve of partial discharge quantity in the first fuel tank side, fuel tank internal is reserved with draw-in groove, installing insulating dividing plate in described draw-in groove simultaneously.
Further, described first tank bottoms is provided with the connection terminal being provided with sensor, and this sensor is for measuring supervision iron core grounding current.
Further, the first fuel tank is provided with Water in oil measuring device in its oil circulation pipe, for measuring the content of inner micro-water.
Further, described second top of oil-tank installs multiple valve, is connected respectively to hydrogen, carbon monoxide, carbon dioxide, methane, ethane, ethene, acetylene gas-holder, can pass through Valve controlling injecting gas.
Further, interface reserved on the oil tank wall of described second fuel tank, for realizing the access of oil chromatography monitoring device.
Further, the oil circulation sleeve pipe of the second fuel tank side is provided with free temp exchanger, adopt water be the free temp exchanger of carrier for ensureing that heating-up temperature is less than 100 degree forever, by the circulatory function of oil pump, make the distribution of even heat, fuel tank homogeneous temperature.
Further, between described first fuel tank, the second fuel tank, be provided with valve, by Valve controlling first fuel tank, the second fuel tank whether UNICOM.
The present invention adopts the first fuel tank, the second fuel tank two fuel tanks consist of pipeline UNICOM, and by Valve controlling first fuel tank, the second fuel tank whether UNICOM can be passed through, first fuel tank, the second fuel tank have oneself oil circulating system respectively, can be carried out circulation and the filtration of oil by respective oil pump and oil filter, the oil that also can be realized in two fuel tanks by UNICOM's valve is circulated together.
Be equipped with oil flow relay at the first fuel tank, the second fuel tank two fuel tanks respectively, prevent the blocking of oil stream; At the first fuel tank, the second fuel tank two top of oil-tank configuration pressure relief valves, prevent oil pressure excessive; Being equipped with vacuum pump at two fuel tanks respectively, vacuumizing during for changing oil; Install that oil sample acquisition port is reserved in tops and bottom, water injection interface is reserved at internal reservation installing thermometer, top respectively at the first fuel tank, the second fuel tank two fuel tanks; At the second top of oil-tank, conservator and oil level indicator are installed, the capacity in instruction fuel tank.
First fuel tank is mainly used in realizing, the simulation of partial discharges fault, discharge capacity adjustable, the Monitoring Performance checking of UHF partial discharge monitoring device; The simulation of iron core grounding electric current, the checking of HFCT partial discharge monitoring device Monitoring Performance; The adjustment of micro-water yield, the checking of micro-water content monitoring device performance.
First top of oil-tank design A, B, C, tri-sleeve pipes; The pair of electrodes being arranged on the first fuel tank internal is connected with outside step-up transformer with sleeve pipe B by sleeve A, by regulating the distance between the voltage of step-up transformer and two electrodes thus the discharge capacity changed between two electrodes, thus realize the simulation to different operating mode discharge capacity; C sleeve pipe is connected with tank bottoms ground wire by conductor by the first fuel tank internal, and C sleeve pipe installs current feedback circuit additional, simulation iron core grounding current.
First fuel tank is monitoring partial discharge quantity, has reserved 6 UHF ultrahigh frequency mounted valves in side, simultaneously reserved 3 draw-in grooves of fuel tank internal, and accompanying drawing 3 is seen in installing insulating dividing plate installation site.
First fuel tank is in order to the iron core grounding current of Measurement accuracy system, and native system by peace sensor, can measure the conversion monitoring iron core grounding current at the connection terminal that tank bottoms is reserved.
First fuel tank, in order to measure the content of inner micro-water, oil circulation pipe is installed Water in oil measuring device.
Second fuel tank is mainly used in realizing, the adjustment of seven kinds of gas contents and micro-water yield in oil, and the checking of oil chromatogram analysis device performance.
Second top of oil-tank installs 7 valves, is connected respectively to hydrogen, carbon monoxide, carbon dioxide, methane, ethane, ethene, acetylene gas-holder, can pass through Valve controlling injecting gas; By the access of Interface realization oil chromatography monitoring device reserved on oil tank wall.
Free temp exchanger installed by the oil circulation sleeve pipe of the second fuel tank side, and employing water is that the free temp exchanger of carrier can ensure that heating-up temperature is less than 100 degree forever, by the circulatory function of oil pump, makes the distribution of even heat, fuel tank homogeneous temperature.
The present invention program is by the measurement in system and control device is integrated on the spot is all placed among control survey cabinet, point three lattice parts in control survey cabinet: strong power part, Survey control part, monitoring part, Survey control part mainly utilizes PLC to carry out the control of control realization process, for PLC configures corresponding input/output module, monitoring part is realized by industrial computer.
Backstage display systems is positioned at the pulpit of far-end, the industrial computer communication that passage is deployed in the PC in pulpit and is positioned near fuel tank, realizes the real-time communication of field data.
Principle of work of the present invention and working method, running state of transformer emulation monitoring system comprises model ontology, control survey cabinet and Background control display platform three part.
, model ontology
Model ontology designs fuel tank and the auxiliary function accessory thereof of two analogue transformer bodies, and wherein the first fuel tank, the second fuel tank and auxiliary function device thereof are integrated in model ontology.Fuel tank adopts totally enclosed type, installs reliable pressure protective device, oil level indicator.First fuel tank, the second fuel tank can be set by recycle design, the control of related valve thus realize each self-loopa and the combination circulation of insulating oil in case.
First fuel tank has office and puts and core current generation function and corresponding measurement interface.
A), part is put in office
First fuel tank internal devises office in oil and puts generating means, by changing sparking electrode, changes arcing distance adjustment discharge capacity and electric discharge type.For monitoring, monitoring device performance is put in UHF office, and the first fuel tank two side is with 6 built-in UHF mounted valves.First fuel tank also possesses additional micro-aquaporin, realizes people's for a change transformer oil micro-water content function, has group insulating oil oil sample simultaneously and gathers valve.
B), iron core grounding current part: the first fuel tank upper surface stretches out a sleeve pipe and is connected with core current analogue means and forms independent loop, the mounting interface of the cored ground current on-Line Monitor Device of bottom belt.
Second fuel tank has chromatogram, micro-water produces function and corresponding measurement interface.
Second fuel tank has micro-water, chromatogram adds function, realizes people's for a change transformer oil chromatographic content.For convenience of verification oil chromatogram analysis device, 3 groups of oil chromatography on-line measurement device mounted valves are devised; Simultaneously by free temp exchanger, realize temp regulating function.
control survey cabinet: control survey cabinet is integrated with all control and measurement devices, comprise oiling, circulation, heating, gas configuration, measurement, recovery, oil temperature signal process equal controller, integrated Partial discharge signal integrated boost system, iron core grounding current up-flow system, associated voltage, electric current, Partial discharge signal measurement mechanism.Monitoring device configuration in control survey cabinet is as follows, and its effect has been the verification of correlation function monitoring device.
oil chromatography and micro-measuring device: oil dissolved gas and micro-water content measurement mechanism, can realize the measurement of gas and micro-water content in oil sample fast and accurately, provide original spectrogram, and measurement and analysis result are uploaded to parametric controller.
off-line measurement device is put in office: the measurement can measuring maximum pd quantity, discharge phase and the discharge time in fuel tank fast and accurately, original spectrogram is provided, and carry out two-dimentional Q-Φ, N-Φ, N-Q, three-dimensional (N-Φ-Q) atlas analysis, can upload to computer background Integrated Software Platform by measurement and analysis result and show.
iron core grounding current up-flow system: measurement and parametric controller cabinet need configure iron core grounding current up-flow system.
Control display platform: realize the displaying of systemic-function, setting parameter and control by controlling display platform.Control comprehensive displaying that display platform can realize all signals, current and voltage signals when boosting is put in fuel temperature measurement signal, oily cycle signal, oil chromatography micro-water content, office, office are high-volume, the data-signal such as core current signal should have corresponding profile information, historical data trend analysis etc.Software systems homepage is divided into: process control and displaying, state controls and shows, parameter regulating and control, four regions such as monitoring information displaying, can be controlled various valve, pump by software systems, complete stepup transformer, the control of current feedback circuit and optimum configurations, deep analysis and research are carried out to Monitoring Data.
The present invention have simultaneously chromatogram, Wei Shui, office high-volume, iron core grounding current keyboard entry function, and corresponding office can be shown high-volume; Iron core grounding current control objectives parameter can input from computer background Integrated Software Platform, operating in a key.Controlling functions also comprises Oil-temperature control, boosting rectifier control, the control of core current up-flow etc. are put in oily cycle control, office, and the up-flow that wherein boosts controls to realize the different gear controlling functions of speed.
Accompanying drawing explanation
Fig. 1 is running state of transformer of the present invention emulation monitoring system basic structure schematic diagram;
Fig. 2 is that the fuel tank function of running state of transformer of the present invention emulation monitoring system controls schematic diagram;
Fig. 3 is the Measurement and Control System dividing plate installation site schematic diagram of running state of transformer of the present invention emulation monitoring system;
Fig. 4 is the Measurement and Control System structural representation of running state of transformer of the present invention emulation monitoring system.
Embodiment
As shown in Figure 1, Figure 2, Figure 3, Figure 4, system is made up of four parts: model ontology, control survey system, backstage display systems, screened room.As shown in Figure 1, wherein model ontology consists of pipeline UNICOM the first fuel tank 1, second fuel tank 2 two fuel tanks the general function structure of system, and two fuel tanks complete control different separately and monitoring function respectively, and fuel tank function control block diagram as shown in Figure 2.
In order to complete above-mentioned function, respectively corresponding Functional Design and Equipments Setting are carried out to the first fuel tank 1, second fuel tank 2.
First fuel tank 1 position: 1, simulate shelf depreciation: in order to realize the simulation to partial discharge of transformer fault, adopts the mode of electrode discharge to realize.The pair of electrodes being arranged on fuel tank internal is connected with outside step-up transformer with sleeve pipe B by sleeve A, by regulating the distance between the voltage of step-up transformer and two electrodes thus the discharge capacity changed between two electrodes, thus realize the simulation to different operating mode discharge capacity.Native system provides point-sharp electrode, point-plate electrode, plate-plate electrode three kinds of electrodes for user, can unload replacing voluntarily.For monitoring shelf depreciation electricity, the first fuel tank 1 has reserved 6 UHF ultrahigh frequency mounted valves in side, size is respectively DN25, DN50, DN80, simultaneously reserved 3 draw-in grooves of fuel tank internal, and installing insulating dividing plate, dividing plate installation site as shown in Figure 3.Conveniently change electrode and dividing plate, enclosure top lid can be sling.
2, in order to simulate transformer iron core grounding current, a pre-buried metallic conductor in the first fuel tank 1, top is connected by the current feedback circuit of cannula C with the first fuel tank 1 outside, the bottom that the first fuel tank 1 is passed through in bottom is reliably connected with the earth, and reserved line bank and connection terminal, facilitate monitoring device to install.Like this by the output current of adjustment current feedback circuit, the simulation to iron core grounding current and adjustment just can be realized.
3, in order to realize renewal and the circulation of the oil in the first fuel tank 1, native system is that the first fuel tank 1 is provided with the facilities such as oil circulation passage, oil filter, oil pump, oil drain out, and in the first fuel tank 1, be configured with vacuum pump; In order to prevent oil pressure excessive, on the first fuel tank 1 top, pressure relief valve is installed, for preventing the blocking of oil stream, pipeline has been installed oil flow relay, and conveniently reserved in the first fuel tank 1 upper and lower the interface drawn oil sample respectively for drawing oil sample, the sample connection of bottom is also drain tap simultaneously, introduces draining pond by conduit, the sample connection on top is also pouring orifice simultaneously, oil can be injected in the first fuel tank 1 by oil pump.
4, in order to realize the adjustment of micro-water content in the first fuel tank 1, having reserved Water filling valve at the first fuel tank 1 top, after water filling, having realized being uniformly distributed of micro-water yield by oil pump circulation.In addition, in order to accurately measure oil temperature, dispose temperature sensor respectively in the bottom at the top of the first fuel tank 1.
5, measurement is put in office: in order to maximum pd quantity, discharge phase and the discharge time native system can measured fast and accurately in the first fuel tank 1 has installed shelf depreciation off-line measurement device.
6, iron core grounding current is measured: in order to the iron core grounding current of Measurement accuracy system, and current sensor has been installed at the connection terminal place that native system is reserved bottom the first fuel tank 1, measures the conversion monitoring iron core grounding current.
Second fuel tank 2
1, oil circulation: the oil circulating system of the second fuel tank 2 and the substantially identical of the first fuel tank 1, be provided with oil circulation passage, oil filter, oil pump, oil drain out, vacuum pump, pressure relief valve, oil flow relay equally, draw oil sample the facilities such as interface; Unique difference is, the second fuel tank 2 has installed conservator, and on conservator, has installed oil level indicator.
2, temperature regulates: on the oil circulation sleeve pipe of the second fuel tank 2 side, install free temp exchanger, employing water is that the free temp exchanger of carrier can ensure that heating-up temperature is less than 100 degree forever, by the circulatory function of oil pump, make the distribution of even heat, the second fuel tank 2 homogeneous temperature.Bottom second fuel tank 2, heating arrangement is housed, by external power supply to heating installation power supply, coordinates oil circulating system, change the conversion of oil temperature in the second fuel tank 2.
3, chromatogram regulates: be reserved with H at the second fuel tank 2 top
2, CO, CO
2, CH
4, C
2h
2, C
2h
4, C
2h
6the interface of seven kinds of gas injects, by external corresponding gas-holder, controls opening and shutoff of respective valves, and coordinates with the circulation system, realize the adjustment of whole fuel tank internal 7 kinds of gases.
4, in order to realize the adjustment of micro-water content in fuel tank, having reserved Water filling valve at the second fuel tank 2 top, after water filling, having realized being uniformly distributed of micro-water yield by oil pump circulation.
5, chromatogram and micro-water gaging system: for the chromatography component of Measurement accuracy second fuel tank 2 inside and micro-water content native system have installed chromatogram and water trace analysis device.
Measurement and Control System: the present invention program is by the measurement in system and control device is integrated on the spot is all placed among control survey cabinet, comprise oiling, circulation, heating, gas configuration, measurement, recovery, oil temperature signal process equal controller, Partial discharge signal integrated boost system, iron core grounding current up-flow system, Partial discharge signal, iron core grounding electric current, chromatogram and micro-water content signal measurement apparatus.The layout of various piece in switch board as shown in Figure 4.
Point three lattice parts in control survey cabinet: strong power part, Survey control part, monitoring part.
Strong power part: be integrated in cabinet by step-up transformer, current feedback circuit, is connected to voltage, electric current on corresponding sleeve pipe by extension line.Both can manually regulate boosting to become output voltage, current feedback circuit output current, also can be controlled by PLC and regulate.
Survey control part: Survey control part mainly utilizes PLC to carry out the control of control realization process, for PLC configures corresponding input/output module, be used for respectively gathering control element quantity of state information and the action controlling various pump, valve, switch, realize the controlling functions such as injection, renewal, circulation, water-filling, inflation of oil in fuel tank.
Monitoring part: monitoring part adopts industrial computer, the information of collection front end partial discharge monitoring device, chromatogram and water trace analysis device, iron core grounding current and data, realize analysis on the spot and display function; Set up communication between PLC and industrial computer simultaneously, realize measuring control information uploading industrial computer, industrial computer realizes the control of PLC, realize the local operation function of whole control survey system.
Backstage display systems: backstage display systems is positioned at the pulpit of far-end, the industrial computer communication that passage is deployed in the PC in pulpit and is positioned near fuel tank, realizes the real-time communication of field data.The software monitoring system that PC deploy is developed, realizes the control to whole process and displaying, completes the setting of corresponding input parameter, and the displaying of Monitoring Data.Software is divided into homepage and the data analysis page.Homepage is divided into: process control and displaying, and state controls and shows, parameter regulating and control, four large regions such as monitoring information displaying.The Dynamic Display of process control and the main complete operation process of display area, and the real-time exhibition of all parts state in system; State controls mainly to complete each control module pump with display area, valve state is shown and controls, and realizes the operated from a distance to far-end controlled member; Parameter regulating and control region mainly completes long-range setting to step-up transformer, current feedback circuit output quantity and change, the injection value of moisture content and seven kinds of gases in fuel tank; Monitoring information is shown, the real-time exhibition of main completion status monitoring variable, the quantity of state of displaying is corresponding with the monitoring device of far-end, is that the information such as data, chromatographic data, Wei Shui, oil temperature are put in office respectively.Click data analyzes menu option, can enter data analysis interface, be further analyzed Monitoring Data, and the inquiry of historical data and statistics.
Above content is in conjunction with concrete embodiment further description made for the present invention, can not assert that specific embodiment of the invention is confined to these explanations.For general technical staff of the technical field of the invention, without departing from the inventive concept of the premise, some simple deduction or replace can also be made, all should be considered as belonging to protection scope of the present invention.
Claims (1)
1. transformer state evaluates analogue system, it comprises model ontology, it is characterized in that, described model ontology is by the first fuel tank (1), second fuel tank (2) consists of pipeline UNICOM, two fuel tanks complete control different separately and monitoring function respectively, Measurement and Control System is by the measurement in system and control device is integrated on the spot is all placed among control survey cabinet, backstage display systems is positioned at the pulpit of far-end, the industrial computer communication that passage is deployed in the PC machine in pulpit and is positioned near fuel tank, achieve the real-time communication of field data, respectively in the first fuel tank (1), second fuel tank (2) is equipped with the oil flow relay for preventing the blocking of oil stream, the pressure relief valve preventing oil pressure excessive is configured at the top of the first fuel tank (1), the second fuel tank (2), the vacuum pump vacuumized when being equipped with for changing oil in the first fuel tank (1), the second fuel tank (2) respectively, in the installation top of the first fuel tank (1), the second fuel tank (2) and bottom reserved oil sample acquisition port respectively, reserve installing thermometer respectively in the first fuel tank (1), the second fuel tank (2) inside, reserve water injection interface respectively at the first fuel tank (1), the second fuel tank (2) top, install conservator and oil level indicator at the second fuel tank (2) top, the capacity in instruction fuel tank, described first fuel tank (1) top arranges the first sleeve pipe, the second sleeve pipe, the 3rd sleeve pipe, be arranged on the inner pair of electrodes of the first fuel tank (1) to be connected with outside step-up transformer with the second sleeve pipe by the first sleeve pipe, by regulating the distance between the voltage of step-up transformer and two electrodes thus the discharge capacity changed between two electrodes, thus realize the simulation to different operating mode discharge capacity, 3rd sleeve pipe is connected with the first fuel tank (1) Bottom ground line by conductor by the first fuel tank (1) inside, and the 3rd sleeve pipe installs current feedback circuit additional, simulation iron core grounding current, reserved 6 in the first fuel tank (1) side for monitoring the UHF ultrahigh frequency mounted valve of partial discharge quantity, fuel tank internal is reserved with draw-in groove, installing insulating dividing plate in described draw-in groove simultaneously, described first fuel tank (1) bottom is provided with the connection terminal being provided with sensor, and this sensor is for measuring supervision iron core grounding current, first fuel tank (1) is provided with Water in oil measuring device in its oil circulation pipe, for measuring the content of inner micro-water, multiple valve is installed at described second fuel tank (2) top, is connected respectively to hydrogen, carbon monoxide, carbon dioxide, methane, ethane, ethene, acetylene gas-holder, can pass through Valve controlling injecting gas.
2. evaluate analogue system according to the transformer state described in claim 1, it is characterized in that, interface reserved on the oil tank wall of described second fuel tank (2), for realizing the access of oil chromatography monitoring device.
3. evaluate analogue system according to the transformer state described in claim 1, it is characterized in that, the oil circulation sleeve pipe of the second fuel tank (2) side is provided with free temp exchanger, water is adopted to be that the free temp exchanger of carrier is for ensureing that heating-up temperature is less than 100 degree forever, by the circulatory function of oil pump, make the distribution of even heat, fuel tank homogeneous temperature.
4. evaluate analogue system according to the transformer state described in claim 1, it is characterized in that, described first fuel tank (1),
Second fuel tank is provided with valve between (2), by Valve controlling first fuel tank (1), the second fuel tank (2) whether UNICOM.
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| CN201210413747.0A CN102955145B (en) | 2012-10-26 | 2012-10-26 | Running state simulation monitoring system for transformer |
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| CN201210413747.0A CN102955145B (en) | 2012-10-26 | 2012-10-26 | Running state simulation monitoring system for transformer |
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|---|---|---|---|---|
| CN103513132B (en) * | 2013-09-23 | 2016-10-19 | 国家电网公司 | Power transmission and transformation system equipment state simulator |
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