CN202033460U - Real-time monitoring system for power generator running state of double-fed wind power generating set - Google Patents
Real-time monitoring system for power generator running state of double-fed wind power generating set Download PDFInfo
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- CN202033460U CN202033460U CN2011201238470U CN201120123847U CN202033460U CN 202033460 U CN202033460 U CN 202033460U CN 2011201238470 U CN2011201238470 U CN 2011201238470U CN 201120123847 U CN201120123847 U CN 201120123847U CN 202033460 U CN202033460 U CN 202033460U
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Abstract
The utility model provides a real-time monitoring system for power generator component running state of a double-fed wind power generating set, which comprises a sensor unit, a signal transducing unit, a signal acquisition unit and a state analyzing unit. The sensor units are used for detecting multiple parameter signals in running of a power generator, the signal transducing unit is used for amplifying the parameter signals or converting the parameter signals into standard parameter signals, the signal acquisition unit is used for acquiring the standard parameter signals transmitted via the signal transducing unit, and the state analyzing unit is used for analyzing and processing the standard parameter signals in real time so as to monitor running states of the power generator. The real-time monitoring system for power generator component running state of the double-fed wind power generating set utilizes the different types of sensors to detect parameter signals in running of the power generator and analyzes and processes the parameter signals in real time, thereby realizing real-time monitoring and fault diagnosis of running states of the power generator and improving running efficiency and reliability of the wind power generating set.
Description
[technical field]
The utility model relates to the power equipment safety technical field, especially relates to a kind of generator component running state real-time monitoring system of double feed wind power generator group.
[background technology]
Wind energy becomes the important component part of many national sustainable development strategies gradually as a kind of continuous forever energy of cleaning.According to the statistics of global wind energy council, past 10 years global wind-power electricity generation industries balanced growth reaches 25%.And also fast development always of China's wind-power electricity generation installed capacity, China's total installation of generating capacity in 2009 has surpassed 25000MW, ranks the second in the world, and adding new capacity surpasses 1300MW then, the row No. 1 in the world.
The wind energy turbine set single-machine capacity increases to MW class both at home and abroad at present; and China also has large quantities of MW class novel wind generator groups to drop into the large-scale production operation in recent years; but because the planning time is short, its quality and operational reliability problem are outstanding, have increased technology and economic risk.And; because the restriction that wind-resources distributes; wind power plant is distributed in desert, mountain area, the pasture away from the city more; development and utilization along with wind energy on the sea; coastal waters or beach wind power plant become the important development direction of following wind-powered electricity generation, so the geographical environment of wind energy turbine set and condition have brought great difficulty for the Operation, Administration and Maintenance of unit.For rational operation and the perfect wind energy turbine set of safeguarding, improve the operational efficiency and the reliability of wind power generating set, essential to monitoring and Fault Diagnosis that every typhoon power generator group is carried out situation.
According to statistics, the double feed wind power generator group accounts for more than 85% in the whole world wind-powered electricity generation unit, the double feed wind power generator group is in operational process, because the impact loading that is constantly changed, when being, the running status of its generator becomes, therefore be necessary to monitor in real time the duty of generator, healthy and daily servicing provides the foundation of fundamental sum necessity for the operation of generator.
[utility model content]
The technical problems to be solved in the utility model is, at the defective of prior art, provides a kind of and can monitor the duty of generator, the generator component running state real-time monitoring system of the normal double-fed generator that moves of assurance genset in real time.
In order to solve the problems of the technologies described above, the utility model provides a kind of generator component running state real-time monitoring system of double feed wind power generator group, comprising:
Be used for surveying the sensor unit of a plurality of parameter signals of generator operation,
Be used for described parameter signal is amplified or is converted to the signal transmission unit of canonical parameter signal,
The signal gathering unit that is used for the canonical parameter signal of acquired signal transducing unit transmission, and
Be used for described canonical parameter signal is carried out the state analysis unit of real-time analysis processing with the running status of monitoring generator.
Further, in above-mentioned monitoring system, described sensor unit comprises electric signal sensor, temperature sensor, speed probe, noise transducer, brush wear sensor and vibration transducer.
Further, in above-mentioned monitoring system, described electric signal sensor comprises rotor current mutual inductor, rotor voltage mutual inductor, rotor phase sensor, stator current mutual inductor, stator voltage mutual inductor and stator phase sensor.
Further, in above-mentioned monitoring system, described rotor current mutual inductor, rotor voltage mutual inductor, rotor phase sensor are installed in generator amature cable outlet box side, and described stator current mutual inductor, stator voltage mutual inductor, stator phase sensor are installed in generator unit stator cable outlet box side.
Further, in above-mentioned monitoring system, described temperature sensor comprises temperature of rotor sensor, stator temperature sensor, slip ring temperature sensor, free end bearing temperature sensor and free end bearing temperature sensor.
Further, in above-mentioned monitoring system, the slip ring that described slip ring temperature sensor is installed in generator is indoor; Described free end bearing temperature sensor is installed in the generator free end bearing; Described input end bearing temperature sensor is installed in the generator amature input end bearing.
Further, in above-mentioned monitoring system, described noise transducer is installed near bearing portion.
Further, in above-mentioned monitoring system, described brush wear sensor is installed on the brush.
Further, in above-mentioned monitoring system, described vibration transducer comprises displacement transducer, speed pickup and acceleration transducer, and it is installed in input end, the free end of generator respectively.
Further, in above-mentioned monitoring system, described signal gathering unit is a JNJ6600 status surveillance instrument.
The generator component running state real-time monitoring system of the utility model double feed wind power generator group surveys the parameter signal of genset a plurality of key positions in service by the sensor that comprises number of different types and described parameter signal is carried out real-time analysis handle, realized running state real-time monitoring and fault diagnosis, improved the operational efficiency and the reliability of wind power generating set generator.
[description of drawings]
The utility model is described in further detail below in conjunction with drawings and Examples, in the accompanying drawing:
Fig. 1 is the structural representation of the generator component running state real-time monitoring system preferred embodiment of the utility model double feed wind power generator group;
Fig. 2 is the installation site synoptic diagram of vibration transducer preferred embodiment among Fig. 1.
[embodiment]
See also Fig. 1, Fig. 1 is the structural representation of the generator component running state real-time monitoring system preferred embodiment of the utility model double feed wind power generator group.Monitoring system of the present utility model comprises sensor unit 10, signal transmission unit 20, signal gathering unit 30 and state analysis unit 40.Described sensor unit 10 is used to survey the parameter signal of genset a plurality of key positions in service, signal transmission unit 20 is used for described parameter signal being amplified or being converted to the canonical parameter signal, signal gathering unit 30 is used for the canonical parameter signal of acquired signal transducing unit 20 transmissions and is transferred to state analysis unit 40, state analysis unit 40 is used for that described canonical parameter signal is carried out real-time analysis to be handled, with the running status of monitoring generator.
The generator component running state real-time monitoring system of the utility model double feed wind power generator group monitors in real time to the generator component running status, wherein, sensor unit 10 has provided employing polytype sensor, method, and the usage quantity of every kind of sensor optimization, the specific installation site of described a plurality of sensor on generator guaranteed real-time and the integrality of system to the operation state of generator monitoring.
1, electric signal sensor
The generator amature side and the stator side of double feed wind power generator group can be exported electric energy, the electric current of rotor and stator and voltage must be within allowed bands, burn out winding for fear of overcurrent and overvoltage, the generator monitoring system is measured electric current, voltage, the phase parameter of electric current, voltage, phase parameter and the stator three-phase output cable of rotor three-phase output cable in real time.So described electric signal sensor comprises rotor current mutual inductor, rotor voltage mutual inductor, rotor phase sensor, stator current mutual inductor, stator voltage mutual inductor and stator phase sensor.
2, temperature sensor
The generator monitoring system is measured the temperature parameter of rotor winding and stator winding in real time, the temperature variations of monitoring winding.Generator is in operational process, generator input end and free-ended bearing inner race rotating speed change and change along with rotor speed, form relative motion with bearing inner race, generator input end and free end bearing are carried out temperature monitoring, grasp the running status of dynamo bearing.The double-fed generator rotor structure has slip ring, and the temperature parameter in the slip ring also is the object that monitoring system is measured.So described temperature sensor comprises temperature of rotor sensor, stator temperature sensor, slip ring temperature sensor, free end bearing temperature sensor and free end bearing temperature sensor.
3, speed probe
The restriction that the rotating speed of generating rotor is received rated speed by measuring the rotor speed parameter, can be monitored the gyro frequency of generator.
4, brush wear sensor
The brush of generator and ground connection carbon brush constantly are worn in operational process, close down generator inspection every 6 months during conventional maintenance, monitor the brush wear parameter in real time, can in time understand the state of brush and collector ring, avoid abnormal excessive wear.
5, noise transducer
Have stable the noise sound intensity and acoustic energy in the generator normal course of operation,, can monitor operation state of generator by measuring the generator noise parameter.
6, vibration transducer
For slewing, vibration parameters is the most effective parameter of reflection equipment working state.By the vibration parameters of real-time measurement generator, can judge the duty of generator accurately.
The purpose of sensor unit 10 is to measure the various operational factors of double-fed generator, and in order to react the actual motion state of generator accurately, sensor must be installed in rational position, could real real-time status of reacting double-fed generator.
Described rotor current mutual inductor, rotor voltage mutual inductor, rotor phase sensor are installed in generator amature cable outlet box side.Described stator current mutual inductor, stator voltage mutual inductor, stator phase sensor are installed in generator unit stator cable outlet box side.
Described speed probe is installed in generator input shaft side, can adopt 5700 magnetoelectric sensors.
Described noise transducer is installed near bearing portion.
Described brush wear sensor is installed on the brush.
The slip ring that described slip ring temperature sensor is installed in generator is indoor.
Described free end bearing temperature sensor is installed in the generator free end bearing, prevents the too high locking state that occurs of temperature.
Described input end bearing temperature sensor is installed in the generator amature input end bearing, prevents the too high locking state that occurs of temperature.
Described temperature of rotor sensor is used for measuring the rotor winding temperature.
Described stator temperature sensor is used for measuring stator winding temperature.
Described vibration transducer is used for measuring the mechanical vibration situation of generator, and it can be divided into three kinds of displacement transducer, speed pickup and acceleration transducers.
Described displacement transducer can adopt 5300 current vortex sensors, can measurement axis to radially displacement;
Described speed pickup JNJ5500 vibrating speed sensors, this sensor can measure the multiple vibration signal of low frequency to high frequency, and the power-free power supply can adopt boring to install or the stickup mounting means;
Adopt the JNJ5400 vibration acceleration sensor come measurement axis to the accekeration of radial vibration signal.
See also Fig. 2, Fig. 2 is the installation site synoptic diagram of vibration transducer preferred embodiment among Fig. 1, and above-mentioned three kinds of vibration transducers 3 are installed in free end 12, the input end 14 of generator 1.
The parameter signal that sensor unit 10 detects sends signal gathering unit 30 to by signal transmission unit 20, signal transmission unit 20 can be to satisfy the transmission equipment that requirement is sent in sensor signal change separately, multiple electric signal and mechanical signal for transducing unit 20 transmits can adopt JNJ6600 status surveillance instrument to gather.
The running status of the 40 pairs of generators in state analysis unit is carried out real-time analysis and processing.State analysis unit 40 can be according under the different running environment or satisfy the analysis software of different operators particular demands, the data conversion of state analysis unit handle input is the curve under time domain, frequency domain or other physical spaces, offers generator operation administrative engineer real-time analysis and management.
Than prior art, the generator component running state real-time monitoring system of the utility model double feed wind power generator group surveys the parameter signal of genset a plurality of key positions in service by the sensor that comprises number of different types and described parameter signal is carried out real-time analysis handle, realized running state real-time monitoring and fault diagnosis, improved the operational efficiency and the reliability of wind power generating set generator.
The above embodiment has only expressed several embodiment of the present utility model, and it describes comparatively concrete and detailed, but can not therefore be interpreted as the restriction to the utility model claim.Should be pointed out that for the person of ordinary skill of the art under the prerequisite that does not break away from the utility model design, can also make some distortion and improvement, these all belong to protection domain of the present utility model.Therefore, the protection domain of the utility model patent should be as the criterion with claims.
Claims (10)
1. the generator component running state real-time monitoring system of a double feed wind power generator group is characterized in that described system comprises:
Be used for surveying the sensor unit of a plurality of parameter signals of generator operation,
Be used for described parameter signal is amplified or is converted to the signal transmission unit of canonical parameter signal,
The signal gathering unit that is used for the canonical parameter signal of acquired signal transducing unit transmission, and
Be used for described canonical parameter signal is carried out the state analysis unit of real-time analysis processing with the running status of monitoring generator.
2. monitoring system according to claim 1 is characterized in that: described sensor unit comprises electric signal sensor, temperature sensor, speed probe, noise transducer, brush wear sensor and vibration transducer.
3. monitoring system according to claim 2 is characterized in that: described electric signal sensor comprises rotor current mutual inductor, rotor voltage mutual inductor, rotor phase sensor, stator current mutual inductor, stator voltage mutual inductor and stator phase sensor.
4. monitoring system according to claim 3, it is characterized in that: described rotor current mutual inductor, rotor voltage mutual inductor, rotor phase sensor are installed in generator amature cable outlet box side, and described stator current mutual inductor, stator voltage mutual inductor, stator phase sensor are installed in generator unit stator cable outlet box side.
5. monitoring system according to claim 2 is characterized in that: described temperature sensor comprises temperature of rotor sensor, stator temperature sensor, slip ring temperature sensor, free end bearing temperature sensor and free end bearing temperature sensor.
6. monitoring system according to claim 5 is characterized in that: the slip ring that described slip ring temperature sensor is installed in generator is indoor; Described free end bearing temperature sensor is installed in the generator free end bearing; Described input end bearing temperature sensor is installed in the generator amature input end bearing.
7. monitoring system according to claim 2 is characterized in that: described noise transducer is installed near bearing portion.
8. monitoring system according to claim 2 is characterized in that: described brush wear sensor is installed on the brush.
9. monitoring system according to claim 2 is characterized in that: described vibration transducer comprises displacement transducer, speed pickup and acceleration transducer, and it is installed in input end, the free end of generator respectively.
10. monitoring system according to claim 1 is characterized in that: described signal gathering unit is a JNJ6600 status surveillance instrument.
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| CN2011201238470U CN202033460U (en) | 2011-04-25 | 2011-04-25 | Real-time monitoring system for power generator running state of double-fed wind power generating set |
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| CN2011201238470U CN202033460U (en) | 2011-04-25 | 2011-04-25 | Real-time monitoring system for power generator running state of double-fed wind power generating set |
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Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102426338A (en) * | 2011-12-14 | 2012-04-25 | 华南理工大学 | Portable wind power quality monitor |
| CN102706560A (en) * | 2012-05-25 | 2012-10-03 | 华锐风电科技(江苏)有限公司 | State monitoring method and device of wind turbine generator set |
| CN104880795A (en) * | 2015-05-29 | 2015-09-02 | 国家电网公司 | Cap type optical cable splice tray with self-state monitoring |
| CN106532647A (en) * | 2015-09-14 | 2017-03-22 | 天津捷金金属制品有限公司 | Wind power generator control system based on PID control |
| CN107861062A (en) * | 2017-10-30 | 2018-03-30 | 重庆勤智科技有限公司 | Electric generating set rotor short circuit on-line monitoring system based on exciter current of generator synchronized sampling |
| CN107884713A (en) * | 2017-10-21 | 2018-04-06 | 湖南福湘发电设备有限公司 | A kind of generator failure detector |
| CN107969200A (en) * | 2017-12-23 | 2018-05-01 | 广西广付金商贸有限公司 | A kind of agricultural machinery fertilizer access device |
| CN108063526A (en) * | 2017-12-14 | 2018-05-22 | 浙江运达风电股份有限公司 | A kind of double-feed wind motor collector ring room temperature humidity control method and system |
| CN108318815A (en) * | 2018-01-17 | 2018-07-24 | 河海大学 | A kind of doubly-fed wind turbine on-line monitoring and synthetic fault diagnosis method |
| CN109541466A (en) * | 2018-12-07 | 2019-03-29 | 雷勃电气（苏州）有限公司 | A kind of Electric machine structure part fatigue life on-line measuring device and detection method |
| CN110412397A (en) * | 2019-07-24 | 2019-11-05 | 陕西世翔电子科技有限公司 | Earthing or grounding means real-time monitoring system based on Internet of Things |
| CN110531742A (en) * | 2019-09-16 | 2019-12-03 | 重庆华能水电设备制造有限公司 | A kind of generator current collecting equipment real time monitoring and method for diagnosing faults |
| CN113775484A (en) * | 2021-10-14 | 2021-12-10 | 中国船舶重工集团海装风电股份有限公司 | Combined control method and device based on temperature change of torsion slip ring and unit power |
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2011
- 2011-04-25 CN CN2011201238470U patent/CN202033460U/en not_active Expired - Fee Related
Cited By (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102426338A (en) * | 2011-12-14 | 2012-04-25 | 华南理工大学 | Portable wind power quality monitor |
| CN102706560A (en) * | 2012-05-25 | 2012-10-03 | 华锐风电科技(江苏)有限公司 | State monitoring method and device of wind turbine generator set |
| CN102706560B (en) * | 2012-05-25 | 2017-12-12 | 华锐风电科技(江苏)有限公司 | The state monitoring method and device of a kind of wind power generating set |
| CN104880795A (en) * | 2015-05-29 | 2015-09-02 | 国家电网公司 | Cap type optical cable splice tray with self-state monitoring |
| CN106532647A (en) * | 2015-09-14 | 2017-03-22 | 天津捷金金属制品有限公司 | Wind power generator control system based on PID control |
| CN107884713A (en) * | 2017-10-21 | 2018-04-06 | 湖南福湘发电设备有限公司 | A kind of generator failure detector |
| CN107861062A (en) * | 2017-10-30 | 2018-03-30 | 重庆勤智科技有限公司 | Electric generating set rotor short circuit on-line monitoring system based on exciter current of generator synchronized sampling |
| CN107861062B (en) * | 2017-10-30 | 2019-10-22 | 重庆勤智科技有限公司 | Electric generating set rotor short circuit on-line monitoring system based on exciter current of generator synchronized sampling |
| CN108063526A (en) * | 2017-12-14 | 2018-05-22 | 浙江运达风电股份有限公司 | A kind of double-feed wind motor collector ring room temperature humidity control method and system |
| CN108063526B (en) * | 2017-12-14 | 2024-06-11 | 运达能源科技集团股份有限公司 | Method and system for controlling room temperature and humidity of collecting ring of doubly-fed wind driven generator |
| CN107969200A (en) * | 2017-12-23 | 2018-05-01 | 广西广付金商贸有限公司 | A kind of agricultural machinery fertilizer access device |
| CN108318815A (en) * | 2018-01-17 | 2018-07-24 | 河海大学 | A kind of doubly-fed wind turbine on-line monitoring and synthetic fault diagnosis method |
| CN109541466A (en) * | 2018-12-07 | 2019-03-29 | 雷勃电气（苏州）有限公司 | A kind of Electric machine structure part fatigue life on-line measuring device and detection method |
| CN110412397A (en) * | 2019-07-24 | 2019-11-05 | 陕西世翔电子科技有限公司 | Earthing or grounding means real-time monitoring system based on Internet of Things |
| CN110531742A (en) * | 2019-09-16 | 2019-12-03 | 重庆华能水电设备制造有限公司 | A kind of generator current collecting equipment real time monitoring and method for diagnosing faults |
| CN113775484A (en) * | 2021-10-14 | 2021-12-10 | 中国船舶重工集团海装风电股份有限公司 | Combined control method and device based on temperature change of torsion slip ring and unit power |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20111109 Termination date: 20140425 |