CN101298998A - System for detecting hydraulic turbogenerator rotor coil temperature - Google Patents
System for detecting hydraulic turbogenerator rotor coil temperature Download PDFInfo
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- CN101298998A CN101298998A CNA200810064260XA CN200810064260A CN101298998A CN 101298998 A CN101298998 A CN 101298998A CN A200810064260X A CNA200810064260X A CN A200810064260XA CN 200810064260 A CN200810064260 A CN 200810064260A CN 101298998 A CN101298998 A CN 101298998A
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- generator
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Abstract
The invention discloses a waterwheel generator rotor coil temperature detecting system, wherein a temperature sensor is arranged on each group of the generator rotor, and the output signal of the temperature sensor is connected to the data collection record instrument, which realizes the data transmission through the industrial bus with the wireless data transmission module arranged on the generator rotor, and the other wireless data transmission module arranged on the generator rotor is connected with the master computer. The data transmission of the master computer and the data collection record instrument is realized through the wireless data communication between the two wireless data transmission modules. The moster computer online records the temperature at any moment for each group of coil of the generator rotor, which provides the scientific basis for the safe operation and the maintenance and the avoidence of the accidents, also provides important reference for the structure design of the unit.
Description
Technical field
The present invention relates to a kind of system for detecting temperature of hydraulic turbogenerator rotor coil.
Background technology
The electric generator rotor coil Temperature Distribution is the important parameter that has influence on the generator safe operation.For large-scale hydro-electric power generating equipment, reasonably design the Distribution of temperature rise of motor, and the running temperature of motor is detected is crucial.Simultaneously, to the temperature of rotor distribution research experiment of generator, also be the checking design, and improve the effective means of method for designing accuracy.Because electric generator rotor coil is rotating with rotor, this brings very big difficulty, the effective way that prior art does not also address this problem with regard to the measurement of giving the rotor winding Temperature Distribution.
Summary of the invention
The objective of the invention is to disclose a kind of system for detecting hydraulic turbogenerator rotor coil temperature, can online detection hydraulic generator rotor the temperature parameter of each group coil, safe operation and maintaining for unit, avoid the generation of accident, scientific basis is provided, and also the structural design for unit provides important references.
The objective of the invention is to be achieved through the following technical solutions: a kind of system for detecting hydraulic turbogenerator rotor coil temperature, be separately installed with temperature sensor on the supporting construction of every group of coil of generator amature, the output signal of temperature sensor is connected on the signal input terminal of the data acquisition recorder that is fixed in generator amature by lead-in wire, data acquisition recorder is realized data transmission with the wireless data transfer module that is installed on the generator amature by industrial bus, a power module is installed on the generator amature, convert the field voltage of generator to wireless data transfer module by power module, data acquisition recorder and temperature sensor use DC voltage, another wireless data transfer module that is installed on the stator of generator links to each other with host computer, realizes the data transmission of host computer and data acquisition recorder by the wireless data communications between two wireless data transfer modules.Each organizes the coil temperature of any time host computer online record generator amature, for the safe operation and the maintaining of unit, avoids the generation of accident, and scientific basis is provided, and also the structural design for unit provides important references.
Description of drawings
Fig. 1 is a system principle diagram of the present invention
Embodiment
A kind of system for detecting hydraulic turbogenerator rotor coil temperature as shown in Figure 1, temperature sensor STT-SA1 type Pt100 is directly installed on rotor winding needs sites measured, the output signal of temperature sensor STT-SA1 type Pt100 inserts the data acquisition recorder HD8112 type that is installed on the rotor center part, data acquisition recorder is connected with wireless data transfer module ND202A type on being installed in rotor center part by industrial bus, and power module 4NIC-NB10 type is installed on the rotor center part field voltage of hydrogenerator is converted to for temperature sensor, the DC voltage that data acquisition recorder and wireless data transfer module use; The wireless data transfer module ND202A type that is installed on the hydraulic generator stator upper spider links to each other with host computer by industrial bus, computing machine is by the work of TT﹠C software control data acquisition and recording instrument, the output valve of acquisition and recording temperature sensor, thus realize the hydraulic turbogenerator rotor coil temperature distributing measuring.
Temperature sensor of the present invention, data acquisition recorder, wide input range DC-DC module is installed in the wireless data transfer module on generator amature and the stator respectively, the host computer that links to each other with wireless data transfer module on being installed in stator.Temperature sensor is the Pt100 thermal resistance of special construction, data acquisition recorder by wireless data transfer module by the host computer Control work, wireless data transfer module is by the wireless telecommunications between particular communication agreement realization host computer and the data acquisition recorder, and wide input range DC-DC module is converted to the field voltage of hydrogenerator the DC voltage of using for temperature sensor, data acquisition recorder and wireless data acquisition module.
System for detecting hydraulic turbogenerator rotor coil temperature has the measuring accuracy height, and speed is fast, reliable operation, can online long-term on-line monitoring Temperature Distribution etc. characteristics.Be applicable to fields such as huge water wheel generator group.
System for detecting hydraulic turbogenerator rotor coil temperature has solved the hydraulic turbogenerator rotor coil temperature can only measure the not difficult problem of energy measurement Temperature Distribution of medial temperature, has improved the safe reliability of hydraulic generator unit operation, has reduced accident rate.System for detecting hydraulic turbogenerator rotor coil temperature makes the hydrogenerator detection technique once bigger leap occur.
Claims (1)
1, a kind of system for detecting hydraulic turbogenerator rotor coil temperature, it is characterized in that: be separately installed with temperature sensor on the supporting construction of every group of coil of generator amature, the output signal of temperature sensor is connected on the signal input terminal of the data acquisition recorder that is fixed in generator amature by lead-in wire, data acquisition recorder is realized data transmission with the wireless data transfer module that is installed on the generator amature by industrial bus, a power module is installed on the generator amature, convert the field voltage of generator to wireless data transfer module by power module, data acquisition recorder and temperature sensor use DC voltage, another wireless data transfer module that is installed on the stator of generator links to each other with host computer, realizes the data transmission of host computer and data acquisition recorder by the wireless data communications between two wireless data transfer modules.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA200810064260XA CN101298998A (en) | 2008-04-09 | 2008-04-09 | System for detecting hydraulic turbogenerator rotor coil temperature |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA200810064260XA CN101298998A (en) | 2008-04-09 | 2008-04-09 | System for detecting hydraulic turbogenerator rotor coil temperature |
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| Publication Number | Publication Date |
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| CN101298998A true CN101298998A (en) | 2008-11-05 |
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| Application Number | Title | Priority Date | Filing Date |
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| CNA200810064260XA Pending CN101298998A (en) | 2008-04-09 | 2008-04-09 | System for detecting hydraulic turbogenerator rotor coil temperature |
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| CN (1) | CN101298998A (en) |
Cited By (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101915623A (en) * | 2010-06-30 | 2010-12-15 | 上海电气电站设备有限公司 | Method for measuring temperature of rotor of brushless exciting generator |
| CN102262817A (en) * | 2010-05-26 | 2011-11-30 | 罗伯特·博世有限公司 | Transfer Device |
| CN102967385A (en) * | 2012-05-24 | 2013-03-13 | 哈尔滨电机厂有限责任公司 | Rotor coil temperature measuring instrument for hydro-generator |
| CN103196659A (en) * | 2013-04-17 | 2013-07-10 | 哈尔滨电机厂有限责任公司 | Hydro-generator thrust bearing oil film pressure measurement instrument |
| CN102388300B (en) * | 2009-04-16 | 2013-07-17 | 新日本制铁株式会社 | Cast piece surface temperature measuring device and cast piece surface temperature measuring method |
| CN103727973A (en) * | 2014-01-09 | 2014-04-16 | 哈尔滨电机厂有限责任公司 | Method for detecting water system of large stator water-cooling steam-turbine generator |
| CN104344902A (en) * | 2014-11-09 | 2015-02-11 | 国网辽宁省电力有限公司鞍山供电公司 | Permanent magnetic transmission coupler of wind generating set and generator rotor temperature measuring method |
| CN104655307A (en) * | 2015-03-12 | 2015-05-27 | 哈尔滨电机厂有限责任公司 | Large-size high-speed motor stress and temperature monitoring system |
| CN105067140A (en) * | 2015-08-04 | 2015-11-18 | 东华大学 | Wireless network based motor temperature monitoring system |
| CN106017703A (en) * | 2016-07-21 | 2016-10-12 | 国家电网公司 | Temperature measuring system and method of magnetic pole screw rod connection joint of hydro-generator |
| CN106992693A (en) * | 2017-05-18 | 2017-07-28 | 哈尔滨电机厂有限责任公司 | Large-scale generator rotor temperature online monitoring system high-insulativity electric supply installation preparation technology |
| CN110388990A (en) * | 2019-08-01 | 2019-10-29 | 中北大学 | A kind of wireless remote-measuring system for the measurement of engine rotating components temperature |
| CN111934498A (en) * | 2020-08-20 | 2020-11-13 | 广东电网有限责任公司电力科学研究院 | Information acquisition and transmission platform for monitoring superconducting motor rotor |
| CN113375833A (en) * | 2021-05-18 | 2021-09-10 | 爱驰汽车（上海）有限公司 | Driving motor and rotor shaft temperature calculation method |
| WO2022082867A1 (en) * | 2020-10-21 | 2022-04-28 | 中车株洲电机有限公司 | On-line temperature measurement system for wound-type motor rotor winding |
-
2008
- 2008-04-09 CN CNA200810064260XA patent/CN101298998A/en active Pending
Cited By (18)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102388300B (en) * | 2009-04-16 | 2013-07-17 | 新日本制铁株式会社 | Cast piece surface temperature measuring device and cast piece surface temperature measuring method |
| CN102262817A (en) * | 2010-05-26 | 2011-11-30 | 罗伯特·博世有限公司 | Transfer Device |
| CN101915623A (en) * | 2010-06-30 | 2010-12-15 | 上海电气电站设备有限公司 | Method for measuring temperature of rotor of brushless exciting generator |
| CN101915623B (en) * | 2010-06-30 | 2012-05-23 | 上海电气电站设备有限公司 | Method for measuring temperature of rotor of brushless exciting generator |
| CN102967385A (en) * | 2012-05-24 | 2013-03-13 | 哈尔滨电机厂有限责任公司 | Rotor coil temperature measuring instrument for hydro-generator |
| CN103196659A (en) * | 2013-04-17 | 2013-07-10 | 哈尔滨电机厂有限责任公司 | Hydro-generator thrust bearing oil film pressure measurement instrument |
| CN103727973A (en) * | 2014-01-09 | 2014-04-16 | 哈尔滨电机厂有限责任公司 | Method for detecting water system of large stator water-cooling steam-turbine generator |
| CN104344902A (en) * | 2014-11-09 | 2015-02-11 | 国网辽宁省电力有限公司鞍山供电公司 | Permanent magnetic transmission coupler of wind generating set and generator rotor temperature measuring method |
| CN104655307A (en) * | 2015-03-12 | 2015-05-27 | 哈尔滨电机厂有限责任公司 | Large-size high-speed motor stress and temperature monitoring system |
| CN105067140A (en) * | 2015-08-04 | 2015-11-18 | 东华大学 | Wireless network based motor temperature monitoring system |
| CN106017703A (en) * | 2016-07-21 | 2016-10-12 | 国家电网公司 | Temperature measuring system and method of magnetic pole screw rod connection joint of hydro-generator |
| CN106992693A (en) * | 2017-05-18 | 2017-07-28 | 哈尔滨电机厂有限责任公司 | Large-scale generator rotor temperature online monitoring system high-insulativity electric supply installation preparation technology |
| CN106992693B (en) * | 2017-05-18 | 2019-03-15 | 哈尔滨电机厂有限责任公司 | Large-scale generator rotor temperature online monitoring system high-insulativity power supply unit preparation process |
| CN110388990A (en) * | 2019-08-01 | 2019-10-29 | 中北大学 | A kind of wireless remote-measuring system for the measurement of engine rotating components temperature |
| CN111934498A (en) * | 2020-08-20 | 2020-11-13 | 广东电网有限责任公司电力科学研究院 | Information acquisition and transmission platform for monitoring superconducting motor rotor |
| WO2022082867A1 (en) * | 2020-10-21 | 2022-04-28 | 中车株洲电机有限公司 | On-line temperature measurement system for wound-type motor rotor winding |
| CN113375833A (en) * | 2021-05-18 | 2021-09-10 | 爱驰汽车（上海）有限公司 | Driving motor and rotor shaft temperature calculation method |
| CN113375833B (en) * | 2021-05-18 | 2022-12-23 | 爱驰汽车（上海）有限公司 | Driving motor and method for calculating temperature of rotor shaft |
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Open date: 20081105 |