CN109540334A - The method for early warning of generator overheating potential faults based on three-dimensional display - Google Patents
The method for early warning of generator overheating potential faults based on three-dimensional display Download PDFInfo
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- CN109540334A CN109540334A CN201811301274.9A CN201811301274A CN109540334A CN 109540334 A CN109540334 A CN 109540334A CN 201811301274 A CN201811301274 A CN 201811301274A CN 109540334 A CN109540334 A CN 109540334A
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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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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/34—Testing dynamo-electric machines
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- Control Of Eletrric Generators (AREA)
Abstract
The method for early warning of the present invention relates to a kind of generator overheating potential faults based on three-dimensional display, step are as follows: (1) establish generator threedimensional model using generator design drawing；(2) temperature point and operation data are introduced, and establishing techniques supervise interface；(3) generator threedimensional model is run, and shows the operating status of operation data and temperature point；(4) check that operating parameter with the presence or absence of problem, carries out correlation curve analysis；(5) judgement is that generator overheating failure or measuring point are abnormal；(6), if temperature point is abnormal, temperature point is replaced, temperature point position space representation is provided；(7), if generator overheating failure needs maintenance down, monitoring operation is provided before shutdown.The present invention makes full use of three-dimensional display advantage, real-time display generator important equipment and operation data, it was found that when generator-temperature detection occurs abnormal, the whether reasonable preliminary judgement conclusion of adjacent regions temperature is obtained according to spatial position, necessary treatment measures are taken, avoid causing or expand accident because of technology analytic process.
Description
Technical field
The invention belongs to keep the safety in production and accident forecast technical field, it is related to a kind of generator overheating based on three-dimensional display
The method for early warning of potential faults.
Background technique
Large thermal power plant capital equipment includes boiler, steam turbine and generator etc., and effect is completely from thermal energy to machinery
The conversion process of electric energy can be arrived again.The complexity etc. of coupling, system between equipment and equipment all determines that thermal power plant is one
A high failure aluminium and the very big Workplace of fault harm, these failures will all result in significant economic losses and society after
Fruit.Therefore, equipment status parameter is detected and analyzed by the technological means of fault diagnosis to judge that equipment whether there is
Abnormal, the position of failure and reason, failure degradation trend, and the opportunity of maintenance are necessary.
With further increasing to unit safety requirement, failure is provided when people not only want to break down again
Detection be isolated, also requirement can be known in advance before unit equipment breaks down, and can carry out fault pre-alarming.In this way
There can be time enough to take measures to avoid unnecessary economic loss to prevent accident.Fault pre-alarming technology makes to tie up
It repairs and prevents from dependent response to active, then to prediction and planning management in advance, represent equipment fault diagnosis side to a certain extent
The developing direction of method and maintenance system.
The monitoring means of current each power generator temperature point are the correlative measurement points that browsing is checked in DCS picture
According to.Operations staff is simply sentenced according only to whether 54 bars or the difference of water outlet measuring point are more than the requirement of producer's specified value
It is disconnected.Once there is some measuring point data exception, operations staff often cannot be distinguished measuring point and be located at which specific slot number, can not use
Water numbers intuitive corresponding spatial position with coil temperature measuring point, which measuring point adjacent area has should pay close attention to and participate in collaboration point
Analysis.At this time, it is necessary to which technical staff completes spatial logic relationship by searching for generator " water power connection figure " and judges, will be related
Data, which are combined, makes analytical judgment and regulation guidance, and prison disk personnel can not provide the rational preliminary of data at the first time
Judgement.Conventional data analysis method is carried out by manual drawing chart, and comparative analysis is only capable of certain two groups to same load
A certain moment historical data carries out, and analysis lags, is unilateral, easily omits important abnormal data.
Summary of the invention
The method for early warning of the object of the present invention is to provide a kind of generator overheating potential faults based on three-dimensional display, sufficiently
Show whether adjacent regions temperature is reasonably tentatively sentenced according to spatial position when finding data exception using three-dimensional display advantage
Disconnected conclusion, specifies feasible regulation direction, avoids causing accident generation or the expansion that causes the accident because of technology analytic process problem.
The technical scheme is that the method for early warning of the generator overheating potential faults based on three-dimensional display, including such as
Lower step:
(1) generator three-dimensional display model is established using generator design drawing；
(2) temperature point and operation data are introduced by SIS, establish generator threedimensional model technical supervision interface；
(3) generator threedimensional model is run, the operation data of real-time display generator and the operating status of temperature point；
(4) check that operating parameter whether there is problem, (3) if there is no problem return step；It is checked if there is problem
Temperature point operation data tendency chart carries out correlation curve analysis；
(5) analysis generator whether there is problem, corresponding exception analytical points, judgement be generator overheating failure also
It is measuring point exception；
(6) if temperature point is abnormal, temperature point is replaced, the space representation of temperature point position is provided, replacement temperature is surveyed
Point after return step (3)；
(7) if generator overheating failure needs maintenance down, before shutdown provide monitoring operation, easy access personnel into
Row maintenance prepares, and generator restarts to run after maintenance, and return step is (3).
The position that generator threedimensional model is shown include generator amature, stator, coil, coil wire casing and wire casing it is upper,
Lower layer's water outlet.Temperature point include leaving water temperature measuring point, generator bar interlayer thermometry measuring point, generator wind area wind-warm syndrome measuring point and
Generator cooling medium inlet temperature measuring point.Operating parameter include voltage, electric current, active power, reactive power, power factor,
Excitation voltage and exciting current.Generator threedimensional model also includes that the parameter of related system is shown, related system includes hydrogen system
System, Stator Condense Water System and sealing oil system.The operating status of temperature point includes that Figure List expression is connected according to water power often
The spatial logic relationship and physics magnitude relation of a bar temperature correlation measuring point provide bar and sentence with logic analysis of water outlet when abnormal
According to clearly needing the overheating fault tendency criterion to arouse attention, be labeled to abnormal measuring point.Overheating fault tendency criterion includes just
Constant value, early warning value and alarming value, normal value, early warning value and alarming value are shown by different colours.Generator threedimensional model is three-dimensional
Show important component, important component includes bar, iron core, end cap, cooler, aqueduct and temperature point, so as to staff
It can be visually seen the shape and explanation of important component.
The present invention is based on the method for early warning of the generator overheating potential faults of three-dimensional display, make full use of three-dimensional display excellent
Gesture shows that generator important equipment component and operation data obtain when discovery generator-temperature detection occurs abnormal according to spatial position
The whether reasonable preliminary judgement conclusion of adjacent regions temperature, takes necessary treatment measures, avoids asking because of technology analytic process
It inscribes and causes accident generation or the expansion that causes the accident.The present invention handles advantage using big data, according to different temperature difference reasonability, directly
Sight divides color to show each position difference trend temperature and point position, clicks trend anomaly position, has expanded display region of interest
Information.Online data trend analysis is completed according to prefabricated logical relation, core data is refined from mass data, exposure is different
Regular data assists operations staff to carry out temperature changing trend reasonability judgement rapidly.Generator three dimensional display capabilities of the present invention have
Help the structure that staff understands generator, convenient for carrying out technological guidance to generator dismantling, upkeep operation, the training to employee
Instruction provides good technical support.
Detailed description of the invention
Fig. 1 is that the present invention is based on the flow diagrams of the method for early warning of the generator overheating potential faults of three-dimensional display；
Fig. 2 is the tendency chart of the measuring point history value of generator threedimensional model；
Fig. 3 is the tendency chart of measuring point assay value；
Fig. 4 is temperature analysis position view；
Fig. 5 is bar model schematic.
Specific embodiment
The following describes the present invention in detail with reference to examples.The scope of protection of the present invention is not limited to the embodiment, this field
Technical staff makes any change within the scope of the claims and also belongs to the scope of protection of the invention.
The present invention is based on the generator overheating potential faults prealarming process of three-dimensional display to include the following steps: as shown in Figure 1:
(1) generator threedimensional model is established using generator design drawing.The position that generator threedimensional model is shown includes hair
The upper and lower layer water outlet of rotor, stator, coil, coil wire casing and wire casing.Generator threedimensional model also includes related system
Parameter shows that related system includes hydrogen gas system, Stator Condense Water System and sealing oil system.
(2) temperature point and operation data are introduced by SIS, establish generator threedimensional model technical supervision interface.Temperature point
Enter including leaving water temperature measuring point, generator bar interlayer thermometry measuring point, generator wind area wind-warm syndrome measuring point and generator cooling medium
Mouth temperature point.Operating parameter includes voltage, electric current, active power, reactive power, power factor, excitation voltage and excitation electricity
Stream.
(3) generator threedimensional model is run, the operation data of real-time display generator and the operating status of temperature point.Temperature
The operating status of degree measuring point includes connecting the spatial logic relationship that Figure List expresses each bar temperature correlation measuring point according to water power
With physics magnitude relation, logic analysis criterion when bar and abnormal water outlet is provided, the overheating fault tendency to arouse attention is clearly needed
Criterion has the function being labeled to abnormal measuring point.Overheating fault tendency criterion includes normal value, early warning value and alarming value,
Normal value, early warning value and alarming value are shown by different colours.
(4) check that operating parameter whether there is problem, (3) if there is no problem return step；It is checked if there is problem
Temperature point operation data tendency chart carries out correlation curve analysis.Analysis generator whether there is problem, corresponding exception measuring point point
Analysis is as a result, judgement is that generator overheating failure or measuring point are abnormal.Using temperature point operation data tendency chart check history value,
Relating value and assay value.
(5) if temperature point is abnormal, temperature point is replaced, temperature point position space representation is provided, replaces temperature point
Return step is (3) afterwards.If generator overheating failure, need to carry out maintenance down, provides monitoring operation, before shutdown convenient for inspection
The personnel of repairing carry out maintenance preparation, and generator restarts to run after maintenance, and return step is (3).
History value is checked in the form of tendency chart using the temperature point operation data of generator threedimensional model generator, is closed
Connection value and assay value can voluntarily selection parameter synthesis check in assay value interface.Fig. 2 show the survey of generator threedimensional model
The tendency chart of point history value, the tendency chart of measuring point assay value shown in Fig. 3." history value " is checked it can be seen that stator bar is at some
The show value in stage, can be visually seen the temperature, whether there is or not catastrophes, convenient for analysis operating condition.Check that " relating value " can be intuitive
See the temperature display value and trend of other stator bars, it is therefore an objective to the operation conditions of analytical equipment entirety, including measuring point whether
There are deviation situations.Check that " assay value " combines parameters to analytical equipment operating status, such as when analyzing measuring point deviation
In combination with unit load, dynamo current and related measuring point, so that whether the operating status of analytical equipment is normal.Pass through three-dimensional mould
Type judges the operating condition of coil water outlet, coil measuring point, and determination is that there are failure or measuring point setting are wrong for generator.
When stator coil leaving water temperature is shown it is abnormal when, the temperature conditions of related measuring point can be directly displayed, while can be with
The historical trend for checking related measuring point analyzes the state of measuring point, proposes follow-up work arrangement early.It is intuitively shown with different colours
Show that the equipment operation condition of equipment, measuring point show situation.
The present invention makes full use of three-dimensional display advantage, and important device data is carried out space depiction, shows that every slot is upper and lower
The temperature of layer water outlet and coil, as shown in figure 4, operations staff can intuitively compare and judge the slot position of failure, according to space bit
It sets and obtains the whether reasonable preliminary judgement conclusion of adjacent regions temperature, take technical measures to eliminate failure or exception in time, avoid
The analysis of technology analytic process lag causes expansion accident when accident occurs.There are Three-dimensional Display such as bar, iron for important component
Core, so that staff can be visually seen the shape of important component, Fig. 5 show the model of bar.It is intuitively shown with different colours
The equipment operation condition of equipment, measuring point show situation.After setting alarming value and pre-alarm value, it can be shown in measuring point list
Show the alarm condition of measuring point, provides pass abnormal emphasis point for staff.
Claims (8)
1. a kind of method for early warning of the generator overheating potential faults based on three-dimensional display, it is characterized in that: including the following steps:
(1) generator threedimensional model is established using generator design drawing；
(2) temperature point and operation data are introduced by SIS, establish generator threedimensional model technical supervision interface；
(3) generator threedimensional model is run, the operation data of real-time display generator and the operating status of temperature point；
(4) check that operating parameter whether there is problem, (3) if there is no problem return step；Temperature is checked if there is problem
Measuring point operation data tendency chart carries out correlation curve analysis；
(5) analysis generator whether there is problem, and corresponding exception analytical points, judgement is generator overheating failure or survey
Point is abnormal；
(6) if temperature point is abnormal, temperature point is replaced, temperature point position space representation is provided, is returned after replacing temperature point
Return step (3)；
(7), if generator overheating failure needs maintenance down, monitoring operation is provided before shutdown；Generator weight after maintenance
It newly brings into operation, return step is (3).
2. the method for early warning of the generator overheating potential faults according to claim 1 based on three-dimensional display, it is characterized in that:
The displaying position of the generator threedimensional model includes the upper and lower layer of generator amature, stator, coil, coil wire casing and wire casing
Water outlet.
3. the method for early warning of the generator overheating potential faults according to claim 1 based on three-dimensional display, it is characterized in that:
The temperature point includes leaving water temperature measuring point, generator bar interlayer thermometry measuring point, generator wind area wind-warm syndrome measuring point and power generation
Machine cooling medium inlet temperature measuring point.
4. the method for early warning of the generator overheating potential faults according to claim 1 based on three-dimensional display, it is characterized in that:
The operating parameter includes voltage, electric current, active power, reactive power, power factor, excitation voltage and exciting current.
5. the method for early warning of the generator overheating potential faults according to claim 1 based on three-dimensional display, it is characterized in that:
The generator threedimensional model also includes that the parameter of related system is shown, the related system includes hydrogen gas system, stator cooling
Water system and sealing oil system.
6. the method for early warning of the generator overheating potential faults according to claim 1 based on three-dimensional display, it is characterized in that:
The operating status of the temperature point includes being patrolled according to the space that water power connection Figure List expresses each bar temperature correlation measuring point
The relationship of collecting and physics magnitude relation provide logic analysis criterion when bar and abnormal water outlet, specify overheating fault tendency criterion.
7. the method for early warning of the generator overheating potential faults according to claim 7 based on three-dimensional display, it is characterized in that:
The overheating fault tendency criterion includes normal value, early warning value and alarming value, and the normal value, early warning value and alarming value be not by
It is shown with color.
8. the method for early warning of the generator overheating potential faults according to claim 1 based on three-dimensional display, it is characterized in that:
The generator threedimensional model Three-dimensional Display important component, the important component include bar, iron core, end cap, cooler, diversion
Pipe and temperature point.
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Cited By (8)
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| CN110244108A (en) * | 2019-07-05 | 2019-09-17 | 杭州西湖电子研究所 | A kind of angular difference three-dimensional figure spectrum expression representing wide area dielectric loss |
| CN110426138A (en) * | 2019-07-15 | 2019-11-08 | 乌江渡发电厂 | A kind of upper leading axle watt temperature checking method of power plants generating electricity unit |
| CN110531258A (en) * | 2019-07-15 | 2019-12-03 | 乌江渡发电厂 | The fault detection method of stator coil in a kind of power plants generating electricity unit |
| CN111537257A (en) * | 2020-05-30 | 2020-08-14 | 华能澜沧江水电股份有限公司 | Method for online detection of abnormality of air cooler of hydraulic generator |
| CN114186666A (en) * | 2021-11-29 | 2022-03-15 | 中电华创(苏州)电力技术研究有限公司 | Generator coil temperature anomaly monitoring method based on self-standardization encoding and decoding |
| CN114199819A (en) * | 2021-11-12 | 2022-03-18 | 西安热工研究院有限公司 | Combustion diagnosis device and method suitable for gas turbine |
| CN116736115A (en) * | 2023-08-14 | 2023-09-12 | 山东开创电气有限公司 | Temperature monitoring method and system for coal mine belt conveying motor |
| CN117634303A (en) * | 2023-12-06 | 2024-03-01 | 北京京能能源技术研究有限责任公司 | Turbine generator iron core overheat fault early warning method based on AI modeling |
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| CN110244108B (en) * | 2019-07-05 | 2021-09-21 | 杭州西湖电子研究所 | Angle difference three-dimensional map expression method for representing wide-area dielectric loss |
| CN110426138A (en) * | 2019-07-15 | 2019-11-08 | 乌江渡发电厂 | A kind of upper leading axle watt temperature checking method of power plants generating electricity unit |
| CN110531258A (en) * | 2019-07-15 | 2019-12-03 | 乌江渡发电厂 | The fault detection method of stator coil in a kind of power plants generating electricity unit |
| CN111537257A (en) * | 2020-05-30 | 2020-08-14 | 华能澜沧江水电股份有限公司 | Method for online detection of abnormality of air cooler of hydraulic generator |
| CN114199819A (en) * | 2021-11-12 | 2022-03-18 | 西安热工研究院有限公司 | Combustion diagnosis device and method suitable for gas turbine |
| CN114186666A (en) * | 2021-11-29 | 2022-03-15 | 中电华创(苏州)电力技术研究有限公司 | Generator coil temperature anomaly monitoring method based on self-standardization encoding and decoding |
| CN114186666B (en) * | 2021-11-29 | 2023-10-13 | 中电华创(苏州)电力技术研究有限公司 | Generator coil temperature anomaly monitoring method based on self-standardized encoding and decoding |
| CN116736115A (en) * | 2023-08-14 | 2023-09-12 | 山东开创电气有限公司 | Temperature monitoring method and system for coal mine belt conveying motor |
| CN116736115B (en) * | 2023-08-14 | 2023-10-20 | 山东开创电气有限公司 | Temperature monitoring method and system for coal mine belt conveying motor |
| CN117634303A (en) * | 2023-12-06 | 2024-03-01 | 北京京能能源技术研究有限责任公司 | Turbine generator iron core overheat fault early warning method based on AI modeling |
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