CN107782467A - Large-sized water turbine generator thrust bearing thermal losses measuring system - Google Patents
Large-sized water turbine generator thrust bearing thermal losses measuring system Download PDFInfo
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- CN107782467A CN107782467A CN201710985164.8A CN201710985164A CN107782467A CN 107782467 A CN107782467 A CN 107782467A CN 201710985164 A CN201710985164 A CN 201710985164A CN 107782467 A CN107782467 A CN 107782467A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
- G01K17/00—Measuring quantity of heat
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
- G01K7/00—Measuring temperature based on the use of electric or magnetic elements directly sensitive to heat ; Power supply therefor, e.g. using thermoelectric elements
- G01K7/16—Measuring temperature based on the use of electric or magnetic elements directly sensitive to heat ; Power supply therefor, e.g. using thermoelectric elements using resistive elements
- G01K7/18—Measuring temperature based on the use of electric or magnetic elements directly sensitive to heat ; Power supply therefor, e.g. using thermoelectric elements using resistive elements the element being a linear resistance, e.g. platinum resistance thermometer
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N25/00—Investigating or analyzing materials by the use of thermal means
- G01N25/20—Investigating or analyzing materials by the use of thermal means by investigating the development of heat, i.e. calorimetry, e.g. by measuring specific heat, by measuring thermal conductivity
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- Y—GENERAL 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/20—Hydro energy
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- General Physics & Mathematics (AREA)
- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Combustion & Propulsion (AREA)
- Health & Medical Sciences (AREA)
- Engineering & Computer Science (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Sliding-Contact Bearings (AREA)
- Testing Of Devices, Machine Parts, Or Other Structures Thereof (AREA)
Abstract
The present invention discloses a kind of large-sized water turbine generator thrust bearing thermal losses measuring system.Temperature sensor is arranged on cooling oil in-line and cooling oil outlet line, measurement cooling oil enters oil outlet temperature, temperature sensor, which is arranged on thrust bearing shoe and thrust bearing runner plate, measures thrust bearing shoe valve and runner plate temperature, electromagnetic flowmeter enters outflow installed in the middle part of pipeline measurement cooling oil, and the parameter of measurement is delivered on data acquisition device by lead, data acquisition device passes data to remote computer, when the gentle runner plate temperature stabilization of thrust bearing shoe valve is constant, rise this identical general principle of heat needed according to the lubricating oil temperature of same volume, pass through the change of cooling oil temperature and flow, directly calculate thrust bearing this caused thermal losses.
Description
Technical field：
The present invention relates to a kind of large-sized water turbine generator thrust bearing thermal losses measuring system.
Background technology：
Large-sized water turbine generator thrust bearing thermal losses is examination Properties of Thrust Bearings important indicator, is to calculate hydraulic generator
The significant data of engine efficiency.At present, hydraulic generator thrust bearing thermal losses in power station establishes profit using Hydrodynamics Theory more
The mathematical modeling of sliding parameter, does not use field survey, estimates the thermal losses data of thrust bearing；Either measurement thrust bearing
The coolant water temperature change of lube oil cooler, by water temperature height difference, to estimate the thermal losses of thrust bearing, this measurement side
Although formula is obtained, the temperature change of direct measurement cooling oil, that is, not have ignored pipe by field survey by indirect method
Oil temperature change in road, so compared with the thermal losses of actual thrust bearing or there is larger error.
The content of the invention：
The purpose of the present invention is open large-sized water turbine generator thrust bearing thermal losses test system, can be directly and accurately
Measure hydraulic generator thrust bearing thermal losses.Technical scheme：Including temperature sensor, electromagnetic flow transducer,
Data acquisition device, temperature acquisition processing system, wireless data transmission device, multi-functional data reception device, remote computer；
Output signal is connected to by PT100 types platinum resistance temperature sensor (2) on hydrogenerator thrust collar runner plate (1)
On the terminal of the compact temperature data acquisition device of CompactRIO-RTD types (3), the compact temperature data of CompactRIO-RTD types
Harvester (3) passes through model：The temperature data of collection is passed through YiFi bases by NIWLS/ENET900 wireless base station apparatus (4)
The general multi-functional number of TP-LINK TL-WVR450G types is sent in real time in the WLAN of IEEE 802.11b communication standards
According in reception device (5), output signal is connected to Agilent by the PT100 types temperature sensor (7) on thrust bearing shoe valve (6)
On 34970 type temperature collecting devices (8), PT100 types platinum resistance temperature sensor (10) on in-line (9) is by temperature
Degrees of data is delivered on the type temperature collecting device (8) of Agilent 34970, the PT100 type temperature in outlet line (11)
Temperature data is delivered on the type temperature collecting device (8) of Agilent 34970 by sensor (12), and the type temperature of Agilent 34970 is adopted
Temperature data is delivered to the general multi-functional data of TP-LINK TL-WVR450G types by EPA and received by acquisition means (8)
On device (5), the SIENENS-MAG5000 types Siemens electromagnetic flow transducer (13) on in-line (9) will flow
Data transfer is measured to the compact data acquisition device of CompactRIO-910X types (14), in outlet line (11)
SIENENS-MAG5000 types Siemens electromagnetic flow transducer (15) is compact by temperature data transmission CompactRIO-910X types
On data acquisition device (14), the compact data acquisition device of CompactRIO-910X types (14) is by EPA by flow
Data transfer is on the general multi-functional data reception device (5) of TP-LINK TL-WVR450G types, TP-LINK TL-WVR450G
Temperature data and data on flows are delivered on remote computer (16) by the general multi-functional data reception device (5) of type, are mounted with
The remote computer (16) of calculation procedure obtains respective thrust bearing thermal losses value by the calculating to flow and temperature data.
The temperature sensor of the present invention is arranged on cooling oil in-line and cooling oil outlet line, measures cooling oil
Enter oil outlet temperature；Temperature sensor, which is arranged on thrust bearing shoe and thrust bearing runner plate, measures thrust bearing shoe valve and runner plate temperature
Degree；Electromagnetic flowmeter is arranged on the middle part of in-line and outlet line, measures cooling oil flow.The cooling of these thrust bearings
Oily parameter is all directly to measure, and conventional mode is all the water temperature for measuring cooler, and oil temperature is estimated by water temperature
Change.Temperature sensor, electromagnetic flow transducer, the parameter of measurement is delivered on data acquisition device by lead, data
Harvester by the data transfer collected to remote computer, be mounted with measurement and control program remote computer real-time display and point
The data of collection are analysed, when the gentle runner plate temperature stabilization of thrust bearing shoe valve is constant, needs are risen according to the lubricating oil temperature of same volume
This identical general principle of heat, by measure cooling oil temperature and measure oil stream amount change, directly calculate thrust axis
Hold this caused thermal losses.
Traditional large-sized water turbine generator thrust bearing thermal losses is obtained using channel theory and tribology theory Modeling Calculation
Arriving, many factors count, or change because carrying out practically condition difference causes coefficient of friction to exist, or due to
The change of cooling oil oil causes thermal friction amount parameter inaccurate, between the calculated value and actual value of thrust bearing thermal losses
Larger error be present, and use the change of direct measurement cooling oil temperature and this method of cooling oil changes in flow rate, it is not easy to by
The interference of other service conditions, it is more direct and accurate.It is of the invention using direct measurement Thrust Bearing System key temperatures and cold
But the mode of oil stream amount, when the gentle runner plate temperature stabilization of thrust bearing shoe valve is constant, need are risen according to the lubricating oil temperature of same volume
This identical general principle of heat wanted, by the change of cooling oil temperature and flow, direct measurement goes out thrust bearing and now produced
Raw thermal losses.
Brief description of the drawings：
Fig. 1 inventive principle block diagrams
Fig. 2 present invention installation and work connection figure
Embodiment：
As shown in figure 1, a kind of large-sized water turbine generator thrust bearing thermal losses measuring system, bag temperature sensor, electromagnetism
Flow sensor, data acquisition device, temperature acquisition processing system, wireless data transmission device, multi-functional data reception device,
Remote computer.
As shown in Fig. 2 it will be exported installed in PT100 types platinum resistance temperature sensor 2 on hydrogenerator thrust collar runner plate 1
It is signally attached on the terminal of the compact temperature data acquisition device 3 of CompactRIO-RTD types, CompactRIO-RTD types are compact
The temperature data of collection (is based on by temperature data acquisition device 3 by NIWLS/ENET900 wireless base station apparatus 4 by YiFi
The WLAN of IEEE 802.11b communication standards) it is sent to the general multi-functional data of TP-LINK TL-WVR450G types in real time
In reception device 5, output signal is connected to Agilent by PT100 types platinum resistance temperature sensor 7 on thrust bearing shoe valve 6
On 34970 type temperature collecting devices 8, PT100 types platinum resistance temperature sensor 10 on in-line 9 is by temperature data
It is delivered on the type temperature collecting device 8 of Agilent 34970, the PT100 types platinum resistance temperature sensing in outlet line 11
Temperature data is delivered on the type temperature collecting device 8 of Agilent 34970 by device 12, and the type temperature collecting device 8 of Agilent 34970 will
Temperature data is delivered in the general multi-functional data reception device 5 of TP-LINK TL-WVR450G types by EPA, peace
Data on flows is delivered to by the SIENENS-MAG5000 types Siemens electromagnetic flow transducer 13 on in-line 9
On the compact data acquisition device 14 of CompactRIO-910X types, the SIENENS-MAG5000 types west in outlet line 11
The sub- electromagnetic flow transducer 15 of door transmits temperature data on the compact data acquisition device 14 of CompactRIO-910X types,
Data on flows is delivered to TP-LINK TL- by the compact data acquisition device 14 of CompactRIO-910X types by EPA
In the general multi-functional data reception device 5 of WVR450G types, the general multi-functional data reception device of TP-LINK TL-WVR450G types
5 are delivered to temperature data and data on flows on remote computer 16, are mounted with the remote computer 16 of calculation procedure by right
The calculating of flow and temperature data, obtain respective thrust bearing thermal losses value.
Claims (1)
1. a kind of large-sized water turbine generator thrust bearing thermal losses measuring system, it is characterized in that：Including temperature sensor, electromagnetic current
Quantity sensor, data acquisition device, temperature acquisition processing system, wireless data transmission device, multi-functional data reception device, far
Journey computer；PT100 types platinum resistance temperature sensor (2) is by output signal on hydrogenerator thrust collar runner plate (1)
It is connected on the terminal of the compact temperature data acquisition device of CompactRIO-RTD types (3), the compact temperature of CompactRIO-RTD types
Degrees of data harvester (3) passes through model：NIWLS/ENET900 wireless base station apparatus (4) passes through the temperature data of collection
It is general more that WLANs of the YiFi based on IEEE 802.11b communication standards is sent to TP-LINK TL-WVR450G types in real time
In performance data reception device (5), output signal is connected to by the PT100 types temperature sensor (7) on thrust bearing shoe valve (6)
On the type temperature collecting device (8) of Agilent 34970, the PT100 type platinum resistance temperature sensors on in-line (9)
(10) temperature data is delivered on the type temperature collecting device (8) of Agilent 34970, in outlet line (11)
Temperature data is delivered on the type temperature collecting device (8) of Agilent 34970 by PT100 types temperature sensor (12), Agilent
It is general that temperature data is delivered to TP-LINK TL-WVR450G types by 34970 type temperature collecting devices (8) by EPA
In multi-functional data reception device (5), the SIENENS-MAG5000 types Siemens Electromagnetic Flow on in-line (9)
Data on flows is delivered on the compact data acquisition device of CompactRIO-910X types (14) by sensor (13), installed in fuel-displaced
SIENENS-MAG5000 types Siemens electromagnetic flow transducer (15) on pipeline (11) transmits temperature data
On the compact data acquisition device of CompactRIO-910X types (14), the compact data acquisition device of CompactRIO-910X types (14)
Data on flows is delivered to by the general multi-functional data reception device (5) of TP-LINK TL-WVR450G types by EPA
On, temperature data and data on flows are delivered to far by the general multi-functional data reception device (5) of TP-LINK TL-WVR450G types
On journey computer (16), it is mounted with that the remote computer (16) of calculation procedure by the calculating to flow and temperature data, obtains
Respective thrust bearing thermal losses value.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710985164.8A CN107782467B (en) | 2017-10-20 | 2017-10-20 | Large-scale hydraulic generator thrust bearing heat loss measurement system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710985164.8A CN107782467B (en) | 2017-10-20 | 2017-10-20 | Large-scale hydraulic generator thrust bearing heat loss measurement system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107782467A true CN107782467A (en) | 2018-03-09 |
| CN107782467B CN107782467B (en) | 2023-04-25 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201710985164.8A Active CN107782467B (en) | 2017-10-20 | 2017-10-20 | Large-scale hydraulic generator thrust bearing heat loss measurement system |
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| CN (1) | CN107782467B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114017445A (en) * | 2021-09-30 | 2022-02-08 | 江西洪屏抽水蓄能有限公司 | Cooling system and method for thrust bearing of hydroelectric generating set |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH03226641A (en) * | 1990-02-01 | 1991-10-07 | Fuji Electric Co Ltd | Abnormality monitoring apparatus for bearing |
| JPH1086037A (en) * | 1996-09-17 | 1998-04-07 | Matsuura Kikai Seisakusho:Kk | Temperature controller for machine tool |
| US20060180394A1 (en) * | 2005-02-08 | 2006-08-17 | Thomas Wojtkowski | Monitoring and alarm system for rolling mill oil film bearings |
| CN204241121U (en) * | 2014-07-15 | 2015-04-01 | 哈尔滨电机厂有限责任公司 | DC motor rotor cable bond temperature measuring equipment |
| CN104596574A (en) * | 2014-12-08 | 2015-05-06 | 哈动国家水力发电设备工程技术研究中心有限公司 | Remote diagnosis service platform device of large hydraulic power production plant |
-
2017
- 2017-10-20 CN CN201710985164.8A patent/CN107782467B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH03226641A (en) * | 1990-02-01 | 1991-10-07 | Fuji Electric Co Ltd | Abnormality monitoring apparatus for bearing |
| JPH1086037A (en) * | 1996-09-17 | 1998-04-07 | Matsuura Kikai Seisakusho:Kk | Temperature controller for machine tool |
| US20060180394A1 (en) * | 2005-02-08 | 2006-08-17 | Thomas Wojtkowski | Monitoring and alarm system for rolling mill oil film bearings |
| CN101115573A (en) * | 2005-02-08 | 2008-01-30 | 摩根建设公司 | Monitoring and alarm system for rolling mill oil film bearings |
| CN204241121U (en) * | 2014-07-15 | 2015-04-01 | 哈尔滨电机厂有限责任公司 | DC motor rotor cable bond temperature measuring equipment |
| CN104596574A (en) * | 2014-12-08 | 2015-05-06 | 哈动国家水力发电设备工程技术研究中心有限公司 | Remote diagnosis service platform device of large hydraulic power production plant |
Non-Patent Citations (1)
| Title |
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| 张奇;: "600MW大型水轮发电机组推力轴承瓦温和油温高原因分析及处理" * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114017445A (en) * | 2021-09-30 | 2022-02-08 | 江西洪屏抽水蓄能有限公司 | Cooling system and method for thrust bearing of hydroelectric generating set |
| CN114017445B (en) * | 2021-09-30 | 2023-09-29 | 江西洪屏抽水蓄能有限公司 | Thrust bearing cooling system and method for hydroelectric generating set |
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| CN107782467B (en) | 2023-04-25 |
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