CN203054198U - Generator carbon brush collector ring system fault simulation device - Google Patents
Generator carbon brush collector ring system fault simulation device Download PDFInfo
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- CN203054198U CN203054198U CN 201320027629 CN201320027629U CN203054198U CN 203054198 U CN203054198 U CN 203054198U CN 201320027629 CN201320027629 CN 201320027629 CN 201320027629 U CN201320027629 U CN 201320027629U CN 203054198 U CN203054198 U CN 203054198U
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- collector ring
- carbon brush
- negative pole
- generator
- fault
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Abstract
A generator carbon brush collector ring system fault simulation device comprises a static excitation generator. An excitation side rotating shaft of the static excitation generator is provided with an anode collector ring and a plurality of cathode collector rings which simulate different typical faults. The anode collector ring is connected with an anode of an excitation power supply via an anode carbon brush. The each cathode collector ring is connected with a cathode of the excitation power supply via a cathode carbon brush corresponding to the cathode collector ring and a selective switch successively. According to the utility model, the plurality of carbon brush collector ring systems which simulate the different typical faults are arranged on the excitation side rotating shaft of the static excitation generator. Through an experiment, state information of electricity, magnetism, heat and the like of the carbon brush collector ring systems in the various kinds of typical faults and fault characteristics can be acquired. A foundation is laid for online monitoring of the carbon brush collector ring system faults.
Description
Technical field
The utility model relates to a kind of experimental provision of simulating the multiple typical fault of static excitation generator carbon brush collector ring system, belongs to technical field of motors.
Background technology
The carbon brush collector ring system of static excitation generator is one of the most key and fragile link of generator; this system failure is occupied bigger ratio in all faults of generator; more by the generator outage inspection examples that this fault causes, the economic loss that causes is comparatively serious.At present grasp clearly not enough to the fault signature of carbon brush collector ring system both at home and abroad, therefore be necessary to design the analogue means of a kind of generator carbon brush collector ring system typical fault, in order to further study the characteristic such as electricity, magnetic, heat of such fault, for implementing the on-line monitoring of static excitation generator failure, predict fault timely and accurately, the laying the foundation of the incidents that is against any misfortune.
The utility model content
The purpose of this utility model is the drawback at prior art, and a kind of simple in structure, multiple functional generator carbon brush collector ring system failure analogue means is provided.
Problem described in the utility model realizes with following technical proposals:
A kind of generator carbon brush collector ring system failure analogue means, it comprises the static excitation generator, the excitation side rotating shaft of described static excitation generator is provided with the negative pole collector ring of an anodal collector ring and the different typical faults of a plurality of simulations, described anodal collector ring is connected with the positive pole of field power supply through anodal carbon brush, and each negative pole collector ring is connected with the negative pole of field power supply with selector switch through corresponding with it negative pole carbon brush successively.
Above-mentioned generator carbon brush collector ring system failure analogue means, described negative pole collector ring arranges five, is respectively the collector ring of simulation carbon brush pressure and the inhomogeneous fault of resistance, the collector ring of simulation carbon brush brush carrier looseness fault, the collector ring of simulation surface imperfection fault, the collector ring of simulation fault of eccentricity and the collector ring of simulation surface contamination fault
Above-mentioned generator carbon brush collector ring system failure analogue means, described surface contamination collector ring outside is provided with seal box, the top of described seal box is provided with the pollutant entrance, and the bottom is provided with the waste collection mouth, is provided with pollutant and isolates baffle plate between surface contamination collector ring and other collector ring.
Above-mentioned generator carbon brush collector ring system failure analogue means, described anodal carbon brush arranges two, and the two is connected in parallel and lays respectively at the both sides of anodal collector ring; Corresponding two the negative pole carbon brush of each negative pole collector ring, two negative pole carbon brush are connected in parallel and lay respectively at the both sides of this negative pole collector ring.
Above-mentioned generator carbon brush collector ring system failure analogue means is arranged on anodal collector ring in the excitation side rotating shaft of static excitation generator and the negative pole collector ring of the different typical faults of a plurality of simulations and also can be replaced by the anodal collector ring of a negative pole collector ring and the different typical faults of a plurality of simulations.
The utility model is provided with the collector ring-carbon brush group of the different typical faults of a plurality of simulations in the excitation side rotating shaft of static excitation generator, can obtain status information and fault signatures such as the electricity of carbon brush collector ring system under various typical faults, magnetic, heat by experiment, for the on-line monitoring of the carbon brush collector ring system failure is laid a good foundation.
Description of drawings
The utility model is described in further detail below in conjunction with accompanying drawing.
Fig. 1 is carbon brush collector ring system failure analogue means front view;
Fig. 2 is carbon brush collector ring system failure analogue means left view;
Fig. 3 is carbon brush collector ring system failure analogue means vertical view.
Each list of reference numerals is among the figure: 1, support; 2, pressure set screw; 3, spring; 4, brush carrier; 5, carbon brush; 6, anodal collector ring; 7, negative pole collector ring; 8, pollutant is isolated baffle plate; 9, seal box; 10, insulating support; 11, door bolt card; 12, rotating shaft; K, selector switch.
Embodiment
Referring to Fig. 2, on the basis that does not change the generator main body structure, lengthen the length of excitation side rotating shaft 12, at this side rotating shaft 12 6 collector rings that are arranged in parallel, wherein inner collector ring is as anodal collector ring, other five collector rings are in parallel as negative pole collector ring (also can be with inner collector ring as the negative pole collector ring, other five collector rings are in parallel as anodal collector ring).Respectively settle two carbon brush 5 at the horizontal level of each collector ring cylindrical, form five negative pole collector ring-carbon brush groups, according to experiment purpose, each group has characteristics separately, can simulate dissimilar faults respectively.Only need to turn-off four branch roads in five groups of parallel branches in the generator operation process, reservation can be simulated the normal connection of the collector ring-carbon brush group of particular type fault, can finish the simulated experiment of this fault.
The fault type that can simulate comprises 5 classes, is respectively: 1, the inhomogeneous fault of carbon brush pressure and resistance; 2, collector ring fault of eccentricity; 3, collector ring surface imperfection fault; 4, brush brush carrier looseness fault; 5, collector ring surface contamination (comprising dust, greasy dirt and carbon dust etc.).
The 1st collector ring-carbon brush group is used for simulation carbon brush pressure and the inhomogeneous fault of resistance, and analogy method is comparatively simple, and the pressure set screw 2 of rotation carbon brush 5 can change the length of spring 3, thereby changes the pressure that is applied on the carbon brush 5.The 2nd collector ring-carbon brush group is used for simulation collector ring fault of eccentricity, the round heart is on the axis of rotating shaft 12 in this collector ring, the cylindrical center of circle is not then on the axis of rotating shaft 12, collector ring eccentric in the rotor rotation process will push carbon brush 5, make it radially to do periodically to-and-fro movement along collector ring, reached the effect of simulation fault of eccentricity.The 3rd collector ring-carbon brush group is used for simulation collector ring surface imperfection fault, at collector ring some pits or salient point is set, whenever carbon brush 5 all can come in contact the variation of impedance through herein the time.The 4th collector ring-carbon brush group is used for simulation brush brush carrier looseness fault, with respect to other group, suitably increases the tolerance clearance of this group carbon brush 5 and brush carrier 4, created loosening space for the rubbing contact of carbon brush and collector ring high speed, increased carbon brush tangential motion probability.The 5th collector ring-carbon brush group is used for the surface contamination of simulation collector ring.Pollutant may pollute the carbon brush collector ring group of closing in the simulation process of this fault, therefore be provided with specially for the transparent plastic seal box 9 of isolating dust and pollutant and isolate baffle plate 8, open a pollutant entrance that is used for spraying materials such as carbon dust or mist of oil in seal box 9 upper ends, open a waste collection mouth in the lower end, isolate under the protection of baffle plate 8 at seal box 9 and pollutant, pollutant can not impact other carbon brush collector ring system.
Claims (5)
1. generator carbon brush collector ring system failure analogue means, it is characterized in that, it comprises the static excitation generator, the excitation side rotating shaft (12) of described static excitation generator is provided with a plurality of negative pole collector rings (7) of an anodal collector ring (6) and the different typical faults of simulation, described anodal collector ring (6) is connected with the positive pole of field power supply through anodal carbon brush, and each negative pole collector ring (7) is connected with the negative pole of field power supply with selector switch (K) through corresponding with it negative pole carbon brush successively.
2. a kind of generator carbon brush collector ring system failure analogue means according to claim 1, it is characterized in that, described negative pole collector ring (7) arranges five, is respectively the collector ring of simulation carbon brush pressure and the inhomogeneous fault of resistance, the collector ring of simulation carbon brush brush carrier looseness fault, the collector ring of simulation surface imperfection fault, the collector ring of simulation fault of eccentricity and the collector ring of simulation surface contamination fault.
3. a kind of generator carbon brush collector ring system failure analogue means according to claim 2, it is characterized in that, described surface contamination collector ring outside is provided with seal box (9), the top of described seal box (9) is provided with the pollutant entrance, the bottom is provided with the waste collection mouth, is provided with pollutant and isolates baffle plate (8) between surface contamination collector ring and other collector ring.
4. a kind of generator carbon brush collector ring system failure analogue means according to claim 3 is characterized in that described anodal carbon brush arranges two, and the two is connected in parallel and lays respectively at the both sides of anodal collector ring (6); Corresponding two the negative pole carbon brush of each negative pole collector ring (7), two negative pole carbon brush are connected in parallel and lay respectively at the both sides of this negative pole collector ring (7).
5. a kind of generator carbon brush collector ring system failure analogue means according to claim 4, it is characterized in that, be arranged on an anodal collector ring (6) in the excitation side rotating shaft (12) of static excitation generator and the negative pole collector ring (7) of the different typical faults of a plurality of simulations and also can be replaced by the anodal collector ring (6) of a negative pole collector ring (7) and the different typical faults of a plurality of simulations.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320027629 CN203054198U (en) | 2013-01-20 | 2013-01-20 | Generator carbon brush collector ring system fault simulation device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320027629 CN203054198U (en) | 2013-01-20 | 2013-01-20 | Generator carbon brush collector ring system fault simulation device |
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| Publication Number | Publication Date |
|---|---|
| CN203054198U true CN203054198U (en) | 2013-07-10 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
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| CN 201320027629 Expired - Fee Related CN203054198U (en) | 2013-01-20 | 2013-01-20 | Generator carbon brush collector ring system fault simulation device |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104007386A (en) * | 2014-05-28 | 2014-08-27 | 中广核核电运营有限公司 | Comprehensive offline test platform of generator rotor insulation measurement device |
| CN104062587A (en) * | 2014-07-14 | 2014-09-24 | 哈尔滨理工大学 | Excitation type generator fault simulation system |
| CN110048784A (en) * | 2019-04-23 | 2019-07-23 | 上海微小卫星工程中心 | A kind of simulator for simulating conducting slip ring and corresponding analogy method |
| CN110208695A (en) * | 2019-06-24 | 2019-09-06 | 三一重能有限公司 | A kind of collector ring fault monitoring method and device |
| CN113092298A (en) * | 2021-03-22 | 2021-07-09 | 三峡大学 | Current-carrying frictional wear simulation test device and method for lower carbon brush and collecting ring of eccentric runout of hydraulic generator |
| CN113960473A (en) * | 2021-10-27 | 2022-01-21 | 福建晋江天然气发电有限公司 | Generator rotor test data acquisition device |
-
2013
- 2013-01-20 CN CN 201320027629 patent/CN203054198U/en not_active Expired - Fee Related
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104007386A (en) * | 2014-05-28 | 2014-08-27 | 中广核核电运营有限公司 | Comprehensive offline test platform of generator rotor insulation measurement device |
| CN104007386B (en) * | 2014-05-28 | 2016-08-31 | 中广核核电运营有限公司 | Generator rotor insulation measurement apparatus comprehensive off-line testing platform |
| CN104062587A (en) * | 2014-07-14 | 2014-09-24 | 哈尔滨理工大学 | Excitation type generator fault simulation system |
| CN104062587B (en) * | 2014-07-14 | 2017-05-24 | 哈尔滨理工大学 | Excitation type generator fault simulation system |
| CN110048784A (en) * | 2019-04-23 | 2019-07-23 | 上海微小卫星工程中心 | A kind of simulator for simulating conducting slip ring and corresponding analogy method |
| CN110208695A (en) * | 2019-06-24 | 2019-09-06 | 三一重能有限公司 | A kind of collector ring fault monitoring method and device |
| CN110208695B (en) * | 2019-06-24 | 2021-06-08 | 三一重能股份有限公司 | Collecting ring fault monitoring method and device |
| CN113092298A (en) * | 2021-03-22 | 2021-07-09 | 三峡大学 | Current-carrying frictional wear simulation test device and method for lower carbon brush and collecting ring of eccentric runout of hydraulic generator |
| CN113960473A (en) * | 2021-10-27 | 2022-01-21 | 福建晋江天然气发电有限公司 | Generator rotor test data acquisition device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 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: 20130710 Termination date: 20140120 |