CN105527568A - Fault testing stand of wind generating set - Google Patents
Fault testing stand of wind generating set Download PDFInfo
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- CN105527568A CN105527568A CN201510808032.9A CN201510808032A CN105527568A CN 105527568 A CN105527568 A CN 105527568A CN 201510808032 A CN201510808032 A CN 201510808032A CN 105527568 A CN105527568 A CN 105527568A
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- asynchronous motor
- bearing
- generating set
- gear
- fault
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Abstract
The invention discloses a fault testing stand of a wind generating set, and relates to the technical field of fault diagnosis of the wind generating set. A frequency converter and an asynchronous motor are used to simulate a wind speed device, a speedup gear case drives a generator and is connected with the generator and the asynchronous motor via shaft couplings respectively, a bearing is mounted between the asynchronous motor and the speedup gear case, an accelerometer is mounted near the bearing to collect fault signals of the bearing, an eddy current displacement sensor is mounted between the bearing and the asynchronous motor to collect shafting torsional vibration signals, another accelerometer is mounted in the speedup gear case to collect fault signals of a gear, the signals, namely fault information, collected by the accelerometers and sensor are sent to a computer via a charge amplifier, a high/low pass filter and a data collection card. The fault testing stand can simulate work of the wind generating set, collect fault information of the wind generating set, and reduce inconvenience caused by onsite information collection.
Description
Technical field
The present invention relates to a kind of wind power generating set fault test-bed, belong to aerogenerator fault diagnosis technology field.
Background technology
Day by day serious along with energy crisis and problem of environmental pollution; wind energy as green energy resource has been subject to showing great attention to of countries in the world and has paid attention to; China's Long-and Medium-term Development planning clearly supports " primary study exploitation great wind-power units ", and wind power equipment resulting in fast development.2009, global aerogenerator installed capacity reached 159213MW, adding new capacity 38312MW, and rate of growth is 31.7%.According to current rising tendency, WWEA predicts at the bottom of the year two thousand twenty, and global installed capacity is at least 1.9 × 10
6mW.China then continues to play Leading role in the development of world's wind energy, and within 2009, Chinese adding new capacity is 1.38 × 10
4mW, realizes the growth more than 1 times the 4th time.Meanwhile, global offshore wind farm also achieves sustainable growth, and the total installed capacity of offshore wind farm accounts for 1.2% of global installed capacity of wind-driven power.Ended for the end of the year 2009, global wind-power electricity generation amount reaches 3.4 × 10
8mW h, accounts for 2% of global power total supply.
While wind-powered electricity generation fast development, the operation expense of aerogenerator great number have impact on the economic benefit of wind field.Wind field is generally located at remote and bad environments, and cabin is positioned at the high-altitude of 50 ~ more than 80m, causes difficulty, add the operation expense of unit to the maintenance and repair work of unit.Therefore, no matter from the operation risk reducing aerogenerator, or the angle reducing operating cost is considered, all needs the condition monitoring and fault diagnosis technology greatly developing wind power generating set.
Summary of the invention
For the problems referred to above, the technical problem to be solved in the present invention is to provide a kind of wind power generating set fault test-bed.
The present invention is a kind of wind power generating set fault test-bed, and it comprises frequency converter, AC asynchronous motor, shaft coupling, bearing, step-up gear, generator, acceleration transducer, eddy current displacement sensor, charge amplifier, high-pass and low-pass filter, data collecting card and computing machine, with a frequency converter and AC asynchronous motor simulation wind speed, then double-fed asynchronous generator is driven by a step-up gear, step-up gear is connected with generator and AC asynchronous motor respectively by shaft coupling, between AC asynchronous motor and step-up gear, a bearing is installed, near bearing, an acceleration transducer is installed, for gathering bearing fault signal, between bearing and AC asynchronous motor, an eddy current displacement sensor is installed, for gathering torsional vibration of shafting signal, in step-up gear, an acceleration transducer is installed, for gathering gear distress signal, the signal that sensor collects is through charge amplifier, high/low bandpass filter and data collecting card, send to computing machine by failure message, carries out fault signal analysis by computing machine.
As preferably, described simulation air flow system is made up of frequency converter and AC asynchronous motor.
As preferably, the collection of sensor signal is completed by data collecting card.
Beneficial effect of the present invention is: the work that can realize wind-driven generator simulation group, and can gather wind power generating set failure message, decreases the inconvenience that Information Monitoring at the scene brings, improves security, easy to use, easy and simple to handle.
accompanying drawing illustrates:
For ease of illustrating, the present invention is described in detail by following concrete enforcement and accompanying drawing.
Fig. 1 is structural representation of the present invention;
Fig. 1 mainly comprises: frequency converter, AC asynchronous motor, shaft coupling, bearing, step-up gear, generator, acceleration transducer, eddy current displacement sensor, charge amplifier, high-pass and low-pass filter, data collecting card and computing machine.
embodiment:
For making the object, technical solutions and advantages of the present invention clearly understand, below by the specific embodiment shown in accompanying drawing, the present invention is described.But should be appreciated that, these describe just exemplary, and do not really want to limit the scope of the invention.In addition, in the following description, the description to known features and technology is eliminated, to avoid unnecessarily obscuring concept of the present invention.
As shown in Figure 1, this embodiment by the following technical solutions: it comprises frequency converter, AC asynchronous motor, shaft coupling, bearing, step-up gear, generator, acceleration transducer, eddy current displacement sensor, charge amplifier, high-pass and low-pass filter, data collecting card and computing machine, with a frequency converter and AC asynchronous motor simulation wind speed, then double-fed asynchronous generator is driven by a step-up gear, step-up gear is connected with generator and AC asynchronous motor respectively by shaft coupling, between AC asynchronous motor and step-up gear, a bearing is installed, near bearing, an acceleration transducer is installed, for gathering bearing fault signal, between bearing and AC asynchronous motor, an eddy current displacement sensor is installed, for gathering torsional vibration of shafting signal, in step-up gear, an acceleration transducer is installed, for gathering gear distress signal, the signal that sensor collects is through charge amplifier, high/low bandpass filter and data collecting card, send to computing machine by failure message, carries out fault signal analysis by computing machine.
Further, described simulation air flow system is made up of frequency converter and AC asynchronous motor.
Further, the collection of sensor signal is completed by data collecting card.
More than show and describe ultimate principle of the present invention and principal character and advantage of the present invention.The technician of the industry should understand; the present invention is not restricted to the described embodiments; what describe in above-described embodiment and instructions just illustrates principle of the present invention; without departing from the spirit and scope of the present invention; the present invention also has various changes and modifications, and these changes and improvements all fall in the claimed scope of the invention.Application claims protection domain is defined by appending claims and equivalent thereof.
Claims (3)
1. a wind power generating set fault test-bed, is characterized in that: it comprises frequency converter, AC asynchronous motor, shaft coupling, bearing, step-up gear, generator, acceleration transducer, eddy current displacement sensor, charge amplifier, high-pass and low-pass filter, data collecting card and computing machine, with a frequency converter and AC asynchronous motor simulation wind speed, then double-fed asynchronous generator is driven by a step-up gear, step-up gear is connected with generator and AC asynchronous motor respectively by shaft coupling, between AC asynchronous motor and step-up gear, a bearing is installed, near bearing, an acceleration transducer is installed, for gathering bearing fault signal, between bearing and AC asynchronous motor, an eddy current displacement sensor is installed, for gathering torsional vibration of shafting signal, in step-up gear, an acceleration transducer is installed, for gathering gear distress signal, the signal that sensor collects is through charge amplifier, high/low bandpass filter and data collecting card, send to computing machine by failure message, carries out fault signal analysis by computing machine.
2. a kind of wind power generating set fault test-bed according to claim 1, is characterized in that: described simulation air flow system is made up of frequency converter and AC asynchronous motor.
3. a kind of wind power generating set fault test-bed according to claim 1, is characterized in that: completed by data collecting card the collection of sensor signal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510808032.9A CN105527568A (en) | 2015-11-23 | 2015-11-23 | Fault testing stand of wind generating set |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510808032.9A CN105527568A (en) | 2015-11-23 | 2015-11-23 | Fault testing stand of wind generating set |
Publications (1)
| Publication Number | Publication Date |
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| CN105527568A true CN105527568A (en) | 2016-04-27 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201510808032.9A Pending CN105527568A (en) | 2015-11-23 | 2015-11-23 | Fault testing stand of wind generating set |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106197849A (en) * | 2016-06-30 | 2016-12-07 | 西安热工研究院有限公司 | A kind of detection and the diagnosis pneumatic unbalanced method of wind turbine impeller |
| CN106338397A (en) * | 2016-09-30 | 2017-01-18 | 哈尔滨理工大学 | Sensorless detection method-based wind driven generator rolling bearing fault diagnosis device |
| CN106368910A (en) * | 2016-11-01 | 2017-02-01 | 哈尔滨理工大学 | Fault detection device for gear box of wind driven generator |
| CN106872166A (en) * | 2017-02-27 | 2017-06-20 | 哈尔滨理工大学 | A kind of wind-driven generator main drive chain shafting torsional oscillation fault detection system |
| CN109915329A (en) * | 2019-03-11 | 2019-06-21 | 哈尔滨理工大学 | A kind of wind power generating set detection signal imitation processing system |
| CN112945551A (en) * | 2021-01-27 | 2021-06-11 | 重庆大学 | Gear ring dynamic deformation detection system and evaluation method |
-
2015
- 2015-11-23 CN CN201510808032.9A patent/CN105527568A/en active Pending
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106197849A (en) * | 2016-06-30 | 2016-12-07 | 西安热工研究院有限公司 | A kind of detection and the diagnosis pneumatic unbalanced method of wind turbine impeller |
| CN106338397A (en) * | 2016-09-30 | 2017-01-18 | 哈尔滨理工大学 | Sensorless detection method-based wind driven generator rolling bearing fault diagnosis device |
| CN106368910A (en) * | 2016-11-01 | 2017-02-01 | 哈尔滨理工大学 | Fault detection device for gear box of wind driven generator |
| CN106872166A (en) * | 2017-02-27 | 2017-06-20 | 哈尔滨理工大学 | A kind of wind-driven generator main drive chain shafting torsional oscillation fault detection system |
| CN109915329A (en) * | 2019-03-11 | 2019-06-21 | 哈尔滨理工大学 | A kind of wind power generating set detection signal imitation processing system |
| CN112945551A (en) * | 2021-01-27 | 2021-06-11 | 重庆大学 | Gear ring dynamic deformation detection system and evaluation method |
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