CN201786568U - Low voltage ride-through monitoring system of double-fed wind generator set - Google Patents
Low voltage ride-through monitoring system of double-fed wind generator set Download PDFInfo
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- CN201786568U CN201786568U CN2010205217017U CN201020521701U CN201786568U CN 201786568 U CN201786568 U CN 201786568U CN 2010205217017 U CN2010205217017 U CN 2010205217017U CN 201020521701 U CN201020521701 U CN 201020521701U CN 201786568 U CN201786568 U CN 201786568U
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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
- Y02E10/70—Wind energy
- Y02E10/72—Wind turbines with rotation axis in wind direction
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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
- Y02E10/70—Wind energy
- Y02E10/76—Power conversion electric or electronic aspects
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Abstract
The utility model relates to a low voltage ride-through monitoring system of a double-fed wind generator set, which is characterized in that the system comprises a data acquisition and adaptation system, a trigger detection system, a state monitoring system, a data storage system and a data analysis system, wherein the data acquisition and adaptation system acquires state data of the voltage and the current during the runtime of the double-fed wind generator set in a real time manner, and respectively sends the state data to the trigger detection system and the state monitoring system; the trigger detection system monitors the voltage and the current of a power grid in a real time manner, and sends out low voltage ride-through trigger signals to the state monitoring system and the data storage system when the voltage drops off; the state monitoring system detects the vibration of a transmission chain of the double-fed wind generator set and monitors the vibration of a tower according to the received stat data and the low voltage ride-through trigger signals, and sends a monitoring result to the data storage system; and the data storage system stores the received data and sends the data to the data analysis system for real-time analysis. The monitoring system can perform the functions of automatic monitoring and real-time recording, and can be widely applied to the wind power industry.
Description
Technical field
The utility model relates to a kind of wind-powered electricity generation unit monitoring system, particularly passes through monitoring system about a kind of double-fed type wind-powered electricity generation unit low voltage.
Background technique
Along with the fast development of China's new energy industry, the wind-powered electricity generation electric motor power increases rapidly, and wind-powered electricity generation is increasing to the influence of electric power system.In order to keep the stable operation of electric power system, various countries' electrical network has proposed more and more stricter requirement to the electrical network Access Conditions of wind energy turbine set and wind power generating set, especially the low voltage of wind energy turbine set and wind power generating set is passed through (low voltage ride-through, LVRT) ability.Double-fed induction wind driven generator group (doubly-fed induction generator, DFIG) but become the mainstream model of MW class wind turbine group with advantages such as meritorious and idle decoupling zero control, current transformer capacity are little, its roadability and controlling performance are very big for the influence of electrical network.China State Grid Corporation of China has proposed clear and definite requirement to the various wind power generating set that comprise DFIG and the low voltage ride-through capability of wind energy turbine set.Because double-fed induction formula grid type wind power generating set is passed through in test, test and the evaluation and test process in low voltage, monitoring system to whole wind power generating set has proposed brand-new requirement, yet existing monitoring system can't satisfy the status monitoring of low voltage crossing process wind power generating set, the requirement of data logging.
Summary of the invention
At the problems referred to above, the purpose of this utility model provides the double-fed type wind-powered electricity generation unit low voltage of a kind of energy real-time automatic monitoring, real time record and passes through monitoring system.
For achieving the above object, the utility model is taked following technological scheme: a kind of double-fed type wind-powered electricity generation unit low voltage is passed through monitoring system, it is characterized in that: it comprises a data capture adaption system, a detection trigger system, a condition monitoring system, a data-storage system and a data analysis system; Voltage, current status data when described data capture adaption system is gathered in real time described double-fed type wind-powered electricity generation unit operation are sent into described status data respectively in described detection trigger system and the condition monitoring system; Described detection trigger system monitors voltage, the electric current of electrical network in real time, when voltage falls, sends low voltage to described condition monitoring system and described data-storage system and passes through trigger signal; Described condition monitoring system passes through trigger signal according to the status data and the low voltage that receive, to the Transmitted chains vibration detection of described double-fed type wind-powered electricity generation unit and the vibration monitoring of pylon, monitoring result is sent to described data-storage system; The data that the storage of described data-storage system receives also are sent to RT rael time in the described data analysis system with data.
Described data-storage system is made of a series of computers with High Speed I/O performance and operational capability.
Described data-storage system adopts distributed and redundant one of them mode to carry out the data storage.
Described detection trigger system adopts trigger mechanism to the detection of described double-fed type wind-powered electricity generation unit.
The utility model is owing to take above technological scheme, it has the following advantages: 1, the utility model is owing to adopt data capture adaption system, detection trigger system and condition monitoring system that double-fed type wind-powered electricity generation unit is monitored, monitoring of structures is stored by data-storage system, and be sent to data analysis system and carry out RT rael time, therefore, having realized can unmanned, the function of monitoring automatically.2, the utility model is because various status datas such as the voltage when adopting the data capture adaption system to double-fed type wind-powered electricity generation unit operation, electric current carry out high speed acquisition, can be comprehensively, at a high speed, set state and the service data of real time record double-fed type wind-powered electricity generation unit in the low voltage crossing process.3, the utility model is owing to adopt data-storage system to be made of a series of computers with High Speed I/O performance and operational capability, and adopts measure such as distributed, redundancy to store, and therefore, guaranteed the real-time of data storages, high-speed and Security.4, the utility model is owing to adopt the detection trigger system that double-fed type wind-powered electricity generation unit is carried out the real-time online detection, therefore, guaranteed that the utility model can work online for a long time, can not omit crucial operating mode, for double-fed type wind-powered electricity generation unit low voltage pass through the test and analysis status monitoring is provided, provide comprehensive platform support for data analysis simultaneously.The utility model can be widely used in the wind-powered electricity generation industry.
Description of drawings
Fig. 1 is an overall structure schematic representation of the present utility model.
Embodiment
Below in conjunction with drawings and Examples the utility model is described in detail.
As shown in Figure 1, the utility model comprises a data capture adaption system 1, a detection trigger system 2, a condition monitoring system 3, a data-storage system 4 and a data analysis system 5.Double-fed type wind-powered electricity generation unit when being incorporated into the power networks, various status datas such as the voltage when gathering double-fed type wind-powered electricity generation unit operation in real time, electric current, and status data sent into respectively in detection trigger system 2 and the condition monitoring system 3 by data capture adaption system 1.Voltage, the electric current of detection trigger system 2 real-time automatic monitoring electrical networks when electrical network generation voltage falls, send low voltage to condition monitoring system 3 and data-storage system 4 and pass through trigger signal.Condition monitoring system 3 passes through trigger signal according to the status data and the low voltage that receive, realizes the Transmitted chains vibration detection of double-fed type wind-powered electricity generation unit and the vibration monitoring of pylon, and monitoring result is sent to data-storage system 4 in real time automatically.The data that data-storage system 4 storage receives also are sent to data in the data analysis system 5, carry out RT rael time.
In the foregoing description, data-storage system 4 is made of a series of computers with High Speed I/O performance and operational capability, and measures such as these data-storage system 4 employings are distributed, redundancy are stored, and have guaranteed the real-time of data storages, high-speed and Security.
In the various embodiments described above, data capture adaption system 1 has strengthened the extensibility of system for the exchanges data between heterogeneous system provides unified solution.Data capture adaption system 1 can also carry out communication, gather butt joint with various wind power generating set neatly, has strengthened the ease for use and the versatility of system.
In the various embodiments described above, detection trigger system 2 adopts trigger mechanism that double-fed type wind-powered electricity generation unit is detected, make the utility model to work online for a long time, can not omit crucial operating mode, for double-fed type wind-powered electricity generation unit low voltage pass through the test and analysis status monitoring is provided, for data analysis provides comprehensive platform support.And can guarantee conserve memory resource to greatest extent, can realize that to crucial operating mode panorama, high speed adopt and high speed storing.
The various embodiments described above only are used to illustrate the utility model; the structure of each parts, size, the position is set and shape all can change to some extent; on the basis of technical solutions of the utility model; all improvement and equivalents of individual component being carried out according to the utility model principle all should not got rid of outside protection domain of the present utility model.
Claims (5)
1. a double-fed type wind-powered electricity generation unit low voltage is passed through monitoring system, it is characterized in that: it comprises a data capture adaption system, a detection trigger system, a condition monitoring system, a data-storage system and a data analysis system; Voltage, current status data when described data capture adaption system is gathered in real time described double-fed type wind-powered electricity generation unit operation are sent into described status data respectively in described detection trigger system and the condition monitoring system; Described detection trigger system monitors voltage, the electric current of electrical network in real time, when voltage falls, sends low voltage to described condition monitoring system and described data-storage system and passes through trigger signal; Described condition monitoring system passes through trigger signal according to the status data and the low voltage that receive, to the Transmitted chains vibration detection of described double-fed type wind-powered electricity generation unit and the vibration monitoring of pylon, monitoring result is sent to described data-storage system; The data that the storage of described data-storage system receives also are sent to RT rael time in the described data analysis system with data.
2. double-fed type wind-powered electricity generation unit low voltage as claimed in claim 1 is passed through monitoring system, it is characterized in that: described data-storage system is made of a series of computers with High Speed I/O performance and operational capability.
3. double-fed type wind-powered electricity generation unit low voltage as claimed in claim 1 is passed through monitoring system, it is characterized in that: described data-storage system adopts distributed and redundant one of them mode to carry out the data storage.
4. double-fed type wind-powered electricity generation unit low voltage as claimed in claim 2 is passed through monitoring system, it is characterized in that: described data-storage system adopts distributed and redundant one of them mode to carry out the data storage.
5. pass through monitoring system as claim 1 or 2 or 3 or 4 described double-fed type wind-powered electricity generation unit low voltages, it is characterized in that: described detection trigger system adopts trigger mechanism to the detection of described double-fed type wind-powered electricity generation unit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205217017U CN201786568U (en) | 2010-09-07 | 2010-09-07 | Low voltage ride-through monitoring system of double-fed wind generator set |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205217017U CN201786568U (en) | 2010-09-07 | 2010-09-07 | Low voltage ride-through monitoring system of double-fed wind generator set |
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| CN201786568U true CN201786568U (en) | 2011-04-06 |
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| CN2010205217017U Expired - Lifetime CN201786568U (en) | 2010-09-07 | 2010-09-07 | Low voltage ride-through monitoring system of double-fed wind generator set |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101968032A (en) * | 2010-09-07 | 2011-02-09 | 国电联合动力技术有限公司 | Low voltage ride-through monitoring system for doubly-fed wind generator |
| CN102299524A (en) * | 2011-09-08 | 2011-12-28 | 天津理工大学 | Low voltage ride through (LVRT) control method for doubly fed induction generator (DFIG) wind generating system of series grid-side converter (SGSC) based on static bifurcation control |
| CN102354125A (en) * | 2011-10-11 | 2012-02-15 | 国电联合动力技术有限公司 | Comprehensive simulation system for low-voltage passing of wind turbine and method |
| CN102830692A (en) * | 2012-08-08 | 2012-12-19 | 中国电力科学研究院 | Low-voltage ride through consistency testing system and method of main control system of wind turbine generator |
-
2010
- 2010-09-07 CN CN2010205217017U patent/CN201786568U/en not_active Expired - Lifetime
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101968032A (en) * | 2010-09-07 | 2011-02-09 | 国电联合动力技术有限公司 | Low voltage ride-through monitoring system for doubly-fed wind generator |
| CN102299524A (en) * | 2011-09-08 | 2011-12-28 | 天津理工大学 | Low voltage ride through (LVRT) control method for doubly fed induction generator (DFIG) wind generating system of series grid-side converter (SGSC) based on static bifurcation control |
| CN102299524B (en) * | 2011-09-08 | 2014-03-12 | 天津理工大学 | Low voltage ride through (LVRT) control method for doubly fed induction generator (DFIG) wind generating system of series grid-side converter (SGSC) based on static bifurcation control |
| CN102354125A (en) * | 2011-10-11 | 2012-02-15 | 国电联合动力技术有限公司 | Comprehensive simulation system for low-voltage passing of wind turbine and method |
| CN102830692A (en) * | 2012-08-08 | 2012-12-19 | 中国电力科学研究院 | Low-voltage ride through consistency testing system and method of main control system of wind turbine generator |
| CN102830692B (en) * | 2012-08-08 | 2015-09-09 | 中国电力科学研究院 | Wind turbines master control system low voltage crossing conformance test method |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20110406 Effective date of abandoning: 20120808 |