CN105675169A - Hot spot temperature data processing system of oil-immersed power transformer - Google Patents
Hot spot temperature data processing system of oil-immersed power transformer Download PDFInfo
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- CN105675169A CN105675169A CN201610037487.XA CN201610037487A CN105675169A CN 105675169 A CN105675169 A CN 105675169A CN 201610037487 A CN201610037487 A CN 201610037487A CN 105675169 A CN105675169 A CN 105675169A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
- G01K13/00—Thermometers specially adapted for specific purposes
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Abstract
The invention relates to a hot spot temperature data processing system of an oil-immersed power transformer. The system comprises a parameter setting module (1), a detection module, a data processing module (4) and a data display module (5), wherein the parameter setting module (1) is used to edit parameters of the oil-immersed power transformer (3); the detection module is connected with the parameter setting module (1) and the oil-immersed power transformer (3), and used to detect the present base oil temperature and the present ambient temperature of the oil-immersed power transformer (3); the data processing module (4) is connected with the parameter setting module (1), and calculates the hot spot temperature of the oil-immersed power transformer (3) according to data in the parameter setting module (1); and the data display module (5) is connected with the data processing module (4), and used to display a curve of the trend that the hot spot temperature changes with time of the oil-immersed power transformer (3). Compared with the prior art, the hot spot temperature data processing system has the advantages that operational safety of the oil-immersed power transformer is ensured, and power production can be arranged conveniently and reasonably.
Description
Technical field
The invention belongs to transformer temperature analysis field, especially relate to a kind of oil-immersed power transformer hot(test)-spot temperatureData handling system.
Background technology
Aging along with the continuous increase of power transmission and transformation line transmission capacity and power equipment, Analysis deterrmination equipmentLarge conveying capacity, has great significance for ensureing the safe operation of power equipment and saving the more investment of exchange device.In the research of equipment conveying capacity, the estimation of hot-spot temperature of transformer is focal issue. Transformer is the most importantOne of equipment, structure is comparatively complicated, and the hot(test)-spot temperature of transformer is directly measured, need to be to transformationThe device transformation of unpacking, invests greatlyr, and difficulty is also larger. Therefore how to obtain comparatively by the method for indirectly measuringHot-spot temperature of transformer accurately, becomes one of study hotspot. At present, there are numerous scholars to carry out this aspectResearch, and several different methods has been proposed, wherein hot road modelling is the direction that recent research is comparatively concentrated. Although have manyPlant model and be developed, but all terminate in theoretical research, can not be converted into and be applied to actual application system,
Summary of the invention
Object of the present invention is exactly to provide a kind of oil-immersed type power in order to overcome the defect that above-mentioned prior art existsHot-spot temperature of transformer data handling system.
Object of the present invention can be achieved through the following technical solutions: a kind of oil-immersed power transformer hot(test)-spot temperatureData handling system, processes for the hot(test)-spot temperature to oil-immersed power transformer, comprising:
Parameter setting module: for edit oil-immersed power transformer parameter, change following different time sections oil immersionThe duty ratio of formula power transformer and the type of choosing oil-immersed power transformer;
Detection module: be connected with described parameter setting module and oil-immersed power transformer respectively, for detection of oilSoak oil temperature of the current end and the current environmental temperature of formula power transformer, and feed back to parameter setting module;
Data processing module: be connected with described parameter setting module, according to the number in described parameter setting moduleAccording to, calculate the hot(test)-spot temperature of oil-immersed power transformer, computational process order considered capacity, the type of cooling,The factor such as oil viscosity and real time temperature;
Data disaply moudle: be connected with described data processing module, for showing the heat of oil-immersed power transformerPoint temperature temporal evolution trend curve.
Described parameter setting module comprises:
Transformer parameter edit cell: be connected with described data processing module, for editing oil-immersed type power transformationThe parameter of device is also sent oil-immersed power transformer parameter into data processing unit;
Duty ratio no-load voltage ratio unit: be connected with described data processing module, for changing following different time sections oil immersionThe duty ratio of formula power transformer;
Transformer type is chosen unit: connect with described transformer parameter edit cell and duty ratio no-load voltage ratio unit respectivelyConnect, for choosing the type of oil-immersed power transformer.
Described detection module is temperature sensor, is connected with described transformer parameter edit cell.
The type of described oil-immersed power transformer comprises Transformer and high-power transformer, and described is medium and smallType transformer refers to capacity below 6300KVA and the oil-immersed type power of electric pressure below 35kV becomesDepressor, high-power transformer refers to the oil-immersed power transformer except Transformer.
The parameter of described oil-immersed power transformer comprise quality unshakable in one's determination, winding quality, fuel tank and annex quality,Transformer oil quality, open circuit loss, nominal load loss, specified top oil temperature liter, specified oily average temperature rising, specifiedTemperature rise of hot spot, oil temperature liter of the specified end, the type of cooling, oil temperature of the current end and current environmental temperature.
Described data processing module is host computer.
Described data disaply moudle is oscillograph, shows the hot(test)-spot temperature temporal evolution of oil-immersed power transformerTrend curve, is convenient to staff and grasps in time the hot(test)-spot temperature of transformer with the time trend of load, hasBe beneficial to the security of operation the activity of reasonable arrangement power generation that ensure transformer.
Compared with prior art, the present invention has the following advantages:
(1) data processing module, according to the data of input, calculates over time to hot(test)-spot temperature, combinesClose factors such as having considered capacity, the type of cooling, oil viscosity and real time temperature, result of calculation is accurate;
(2) exploitation of native system can make operation power personnel, grasps in time the hot(test)-spot temperature of transformer with negativeThe time trend of lotus, is conducive to ensure security of operation the activity of reasonable arrangement power generation of transformer.
Brief description of the drawings
Fig. 1 is system architecture diagram of the present invention.
Detailed description of the invention
Below in conjunction with the drawings and specific embodiments, the present invention is described in detail.
As shown in Figure 1, a kind of oil-immersed power transformer hot(test)-spot temperature data handling system, for to oil immersed type electricityThe hot(test)-spot temperature of power transformer 3 is processed, and it is characterized in that, comprising:
Parameter setting module 1: comprise transformer parameter edit cell 102: be connected with data processing module 4, useIn editing the parameter of oil-immersed power transformer 3 and oil-immersed power transformer 3 parameters being sent into data processing listUnit,, the parameter of oil-immersed power transformer 3 comprises quality unshakable in one's determination, winding quality, fuel tank and annex quality, changeDepressor oil quality, open circuit loss, nominal load loss, specified top oil temperature liter, specified oily average temperature rising, specified heatPoint temperature rise, oil temperature liter of the specified end, the type of cooling, oil temperature of the current end and current environmental temperature;
Duty ratio no-load voltage ratio unit 103: be connected with data processing module 4, for changing following different time sections oil immersionThe duty ratio of formula power transformer 3;
Transformer type is chosen unit 101: respectively with transformer parameter edit cell 102 and duty ratio no-load voltage ratio unit103 connect, and for choosing the type of oil-immersed power transformer 3, the type of oil-immersed power transformer 3 comprisesTransformer and high-power transformer, Transformer refers to capacity below 6300KVA and voltageThe oil-immersed power transformer of grade below 35kV, high-power transformer refers to except TransformerOil-immersed power transformer.
Detection module: be temperature sensor 2, connect with parameter setting module 1 and oil-immersed power transformer 3 respectivelyConnect, for detection of oil temperature of the current end and the current environmental temperature of oil-immersed power transformer 3, and feed back to parameterSetting module 1;
Data processing module 4: be host computer, be connected with parameter setting module 1, according in parameter setting module 1Data, calculate the hot(test)-spot temperature of oil-immersed power transformer 3, computational process order has considered capacity, coolingThe factors such as mode, oil viscosity and real time temperature.
Data disaply moudle 5: be oscillograph, be connected with data processing module 4, for showing that oil-immersed type power becomesThe hot(test)-spot temperature temporal evolution trend curve of depressor 3, is convenient to staff and grasps in time the focus of transformerTemperature, with the time trend of load, is conducive to ensure that the security of operation of transformer reasonable arrangement power generation are aliveMoving.
When work, edit the parameter of oil-immersed power transformer 3 at transformer parameter edit cell 102, at loadChange the duty ratio of following different time sections oil-immersed power transformer 3 than no-load voltage ratio unit 103, at transformer ' s typeThe type of oil-immersed power transformer 3 chosen unit 101 and chooses by type, and meanwhile, temperature sensor 2 detects oil immersed typeOil temperature of the current end and the current environmental temperature of power transformer 3, and by above data feedback to host computer, upperMachine is according to above data and consider the factors such as capacity, the type of cooling, oil viscosity and real time temperature, calculates oilSoak the hot(test)-spot temperature of formula power transformer 3, then, the hot(test)-spot temperature of oscilloscope display oil-immersed power transformer 3Temporal evolution trend curve, is convenient to staff and grasps in time the hot(test)-spot temperature of transformer with the time change of loadChange trend, is conducive to ensure security of operation the activity of reasonable arrangement power generation of transformer.
Claims (7)
1. an oil-immersed power transformer hot(test)-spot temperature data handling system, for to oil-immersed power transformer(3) hot(test)-spot temperature is processed, and it is characterized in that, comprising:
Parameter setting module (1): for editing the following difference of parameter, change of oil-immersed power transformer (3)The duty ratio of time period oil-immersed power transformer (3) and the type of choosing oil-immersed power transformer (3);
Detection module: be connected with described parameter setting module (1) and oil-immersed power transformer (3) respectively,For detection of oil temperature of the current end and the current environmental temperature of oil-immersed power transformer (3), and feed back to parameterSetting module (1);
Data processing module (4): be connected with described parameter setting module (1), according to described setting parameterData in module (1), the hot(test)-spot temperature of calculating oil-immersed power transformer (3);
Data disaply moudle (5): be connected with described data processing module (4), for showing oil-immersed type powerThe hot(test)-spot temperature temporal evolution trend curve of transformer (3).
2. a kind of oil-immersed power transformer hot(test)-spot temperature data handling system according to claim 1, itsBe characterised in that, described parameter setting module (1) comprising:
Transformer parameter edit cell (102): be connected with described data processing module (4), for editing oilSoak the parameter of formula power transformer (3) and oil-immersed power transformer (3) parameter is sent into data processing unit;
Duty ratio no-load voltage ratio unit (103): be connected with described data processing module (4), for changing future notWith the duty ratio of time period oil-immersed power transformer (3);
Transformer type is chosen unit (101): respectively with described transformer parameter edit cell (102) and negativeLotus connects than no-load voltage ratio unit (103), for choosing the type of oil-immersed power transformer (3).
3. a kind of oil-immersed power transformer hot(test)-spot temperature data handling system according to claim 2, itsBe characterised in that, described detection module is temperature sensor (2), with described transformer parameter edit cell (102)Connect.
4. a kind of oil-immersed power transformer hot(test)-spot temperature data handling system according to claim 1, itsBe characterised in that, the type of described oil-immersed power transformer (3) comprises Transformer and high-power transformer,Described Transformer refers to capacity below 6300KVA and the oil of electric pressure below 35kVSoak formula power transformer, high-power transformer refers to the oil-immersed power transformer except Transformer.
5. a kind of oil-immersed power transformer hot(test)-spot temperature data handling system according to claim 2, itsBe characterised in that, the parameter of described oil-immersed power transformer (3) comprises quality unshakable in one's determination, winding quality, fuel tankAnd annex quality, transformer oil quality, open circuit loss, nominal load loss, specified top oil temperature liter, specified oil are flatAll temperature rises, specified temperature rise of hot spot, oil temperature liter of the specified end, the type of cooling, oil temperature of the current end and current environment temperatureDegree.
6. a kind of oil-immersed power transformer hot(test)-spot temperature data handling system according to claim 5, itsBe characterised in that, described data processing module (4) is host computer.
7. a kind of oil-immersed power transformer hot(test)-spot temperature data handling system according to claim 5, itsBe characterised in that, described data disaply moudle (5) is oscillograph, shows the heat of oil-immersed power transformer (3)Point temperature temporal evolution trend curve.
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| CN108120521A (en) * | 2017-12-08 | 2018-06-05 | 囯网河北省电力有限公司电力科学研究院 | Coiling hot point of transformer temperature predicting method and terminal device |
| CN108917984A (en) * | 2018-06-20 | 2018-11-30 | 国网天津市电力公司电力科学研究院 | The non-intrusion type winding temperature measurement method of the air-cooled pie winding transformer of forced oil-circulation |
| CN109269670A (en) * | 2018-09-07 | 2019-01-25 | 济南大学 | The calculation method and system of transformer top oil temperature when three-phase current unbalance |
| CN114111902A (en) * | 2021-11-24 | 2022-03-01 | 保定天威保变电气股份有限公司 | Intelligent monitoring system for natural ester transformer |
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| CN114111902A (en) * | 2021-11-24 | 2022-03-01 | 保定天威保变电气股份有限公司 | Intelligent monitoring system for natural ester transformer |
| CN114111902B (en) * | 2021-11-24 | 2024-04-05 | 保定天威保变电气股份有限公司 | Intelligent monitoring system for natural ester transformer |
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