CN205384331U - A overhaul testing arrangement for wind -powered electricity generation converter - Google Patents
A overhaul testing arrangement for wind -powered electricity generation converter Download PDFInfo
- Publication number
- CN205384331U CN205384331U CN201620112962.0U CN201620112962U CN205384331U CN 205384331 U CN205384331 U CN 205384331U CN 201620112962 U CN201620112962 U CN 201620112962U CN 205384331 U CN205384331 U CN 205384331U
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- CN
- China
- Prior art keywords
- input
- frequency converter
- wind power
- power frequency
- electric capacity
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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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
Abstract
The utility model relates to an overhaul testing arrangement, an overhaul testing arrangement for wind -powered electricity generation converter, including transformer, first, two, three, four circuit breakers, first, two, three load reactors, short circuit row, single phase rectification bridge, direct current side just femalely arrange, female the arranging and steady voltage electric capacity of direct current side burden, fourth circuit breaker input is connected with commercial power 220V, and the output is connected with the transformer input, and transformer output end is connected with single phase rectification bridge input, and single phase rectification bridge output is connected with steady voltage electric capacity input, steady voltage electric capacity output draw forth respectively direct current side just, the burden is female arranges, first, two, three load reactor outputs are arranged with the short circuit respectively and are connected, and the input is connected with first, two, three circuit breaker outputs respectively, first, two, three circuit breaker inputs respectively with power line A, B, C three -phase connection. The utility model discloses do not need participating in directly of motor or electric wire netting, only need 20V -30V's DC voltage, just can simulate under most occasions and realize that the converter examines and repair testing capabilities, has improved maintenance efficiency of software testing.
Description
Technical field
This utility model relates to a kind of maintenance test device, more particularly, it relates to device is tested in a kind of maintenance for wind power frequency converter.
Background technology
As the core component in wind power equipment, wind power frequency converter is by extensive concern.Owing to being subject to the impact of electrical network operating mode difference, the safety of converter, reliability must be paid attention to.And wind power frequency converter is as one of power electronic equipment, in use often break down, power device IGBT under serious conditions, even can be caused to puncture.Therefore in use need simply, the device of maintenance test flexibly to determine the quality of converter performance, thus for next step offer foundation of adopting an effective measure, it is to avoid delay and affect generated energy.At present, be there is some deficiency following by wind power frequency converter in the process of problem in wind field operation and maintenance:
1, wind field does not possess effective detection equipment, has delayed the judgement to problem and process, thus causing shutting down, affects the generated energy of blower fan, degree of adding electricity cost；
If the obvious damaged conditions such as 2 wind power frequency converter emergent power device IGBT puncture, it is necessary to client, by direct for converter return-to-factory, adds transport and maintenance cost；
3, after wind power frequency converter maintenance, when not possessing effectively detection equipment, it is impossible to test, and then the quality of wind power frequency converter cannot be concluded, add application risk, it is possible to cause the generation of second accident.
Summary of the invention
In order to overcome the deficiencies in the prior art, this utility model purpose is to provide a kind of maintenance for wind power frequency converter and tests device.This device does not need the directly participation of motor or electrical network, it is thus only necessary to the DC voltage of 20V-30V, it is possible to realizes wind power frequency converter maintenance test function at overwhelming majority occasion Imitatings, improves treatment effeciency；Can apply in process of production on the other hand, as the confirmatory use of Development and Production, it is to avoid cause the damage of wind power frequency converter under big voltage condition.
nullIn order to realize foregoing invention purpose，Solve problem existing in prior art，This utility model adopts the technical scheme that: device is tested in a kind of maintenance for wind power frequency converter，Including transformator、First、Two、Three、Four choppers、First、Two、Three load reactance devices、Short circuit is arranged、Single-phase rectification bridge、The positive busbar of DC side、The negative busbar of DC side and electric capacity of voltage regulation，Described 4th chopper input is connected with civil power 220V，Described 4th chopper outfan is connected with transformer inputs，Described transformator outfan is connected with single-phase rectification bridge input，Described single-phase rectification bridge outfan is connected with electric capacity of voltage regulation input，Described electric capacity of voltage regulation outfan draws the positive busbar of DC side and the negative busbar of DC side respectively，Described DC side is just、Negative busbar respectively with wind power frequency converter DC terminal in just、Negative pole connects，Described first、Two、Three load reactance device outfans are connected with short circuit row respectively，Described first、Two、Three load reactance device inputs are respectively with first、Two、Three chopper outfans connect，Described first、Two、Three chopper inputs respectively with electric lines of force A、B、C tri-is connected，Described electric lines of force A、B、C three-phase exchanges end with wind power frequency converter respectively and is connected.
Described first, second and third load reactance device adopts ordinary inductor coil to make.
nullThis utility model provides the benefit that: device is tested in a kind of maintenance for wind power frequency converter，Including transformator、First、Two、Three、Four choppers、First、Two、Three load reactance devices、Short circuit is arranged、Single-phase rectification bridge、The positive busbar of DC side、The negative busbar of DC side and electric capacity of voltage regulation，Described 4th chopper input is connected with civil power 220V，Described 4th chopper outfan is connected with transformer inputs，Described transformator outfan is connected with single-phase rectification bridge input，Described single-phase rectification bridge outfan is connected with electric capacity of voltage regulation input，Described electric capacity of voltage regulation outfan draws the positive busbar of DC side and the negative busbar of DC side respectively，Described DC side is just、Negative busbar respectively with wind power frequency converter DC terminal in just、Negative pole connects，Described first、Two、Three load reactance device outfans are connected with short circuit row respectively，Described first、Two、Three load reactance device inputs are respectively with first、Two、Three chopper outfans connect，Described first、Two、Three chopper inputs respectively with electric lines of force A、B、C tri-is connected，Described electric lines of force A、B、C three-phase exchanges end with wind power frequency converter respectively and is connected.Compared with the prior art, this utility model does not need the directly participation of motor or electrical network, it is thus only necessary to the DC voltage of 20V-30V, it is possible to realizes wind power frequency converter maintenance test function at overwhelming majority occasion Imitatings, improves maintenance testing efficiency；It addition, can as the confirmatory use of Development and Production, it is to avoid under big voltage condition, cause the damage of wind power frequency converter.
Accompanying drawing explanation
Fig. 1 is this utility model structural schematic block diagram.
Detailed description of the invention
Below in conjunction with accompanying drawing, the utility model is described in further detail.
nullAs shown in Figure 1，Device is tested in a kind of maintenance for wind power frequency converter，Including transformator、First、Two、Three、Four choppers、First、Two、Three load reactance devices、Short circuit is arranged、Single-phase rectification bridge、The positive busbar of DC side、The negative busbar of DC side and electric capacity of voltage regulation，Described 4th chopper input is connected with civil power 220V，Described 4th chopper outfan is connected with transformer inputs，Described transformator outfan is connected with single-phase rectification bridge input，Described single-phase rectification bridge outfan is connected with electric capacity of voltage regulation input，Described electric capacity of voltage regulation outfan draws the positive busbar of DC side and the negative busbar of DC side respectively，Described DC side is just、Negative busbar respectively with wind power frequency converter DC terminal in just、Negative pole connects，Obtain the DC voltage of stable 20V-30V，And this galvanic current pressure is overhauled as wind power frequency converter the DC input voitage of test；Described first, second and third load reactance device outfan is connected with short circuit row respectively, reaches to adopt the purpose of load reactance device simulated machine rotor loading and network load；Described first, second and third load reactance device input is connected with first, second and third chopper outfan respectively, described first, second and third chopper input is connected with electric lines of force A, B, C tri-respectively, and described electric lines of force A, B, C three-phase exchanges end with wind power frequency converter respectively and is connected.Described first, second and third load reactance device adopts ordinary inductor coil to make, and described first, second, third and fourth chopper each serves as the effect of overcurrent protection.This maintenance test device imports relevant test parameter finally by host computer monitoring software, controls tested maintenance test frequency converter and carries out open loop and send out the functional test such as ripple, error protection.
Specific works process is as follows: first, device is accessed 220V civil power, and by the 4th breaker closing, so by the alternating current of transformer pressure-reducing again through the DC voltage that 220V civil power just can be converted to after commutation diode 20V-30V, thus providing galvanic current pressure for tested converter.Positive for DC side busbar is connected to the DC terminal positive pole of tested wind power frequency converter again, negative for DC side busbar is connected to the DC terminal negative pole of tested wind power frequency converter, thus provides a stable direct-current input power supplying for tested wind power frequency converter.Then electric lines of force A, B, C three-phase is connected to respectively the exchange end of tested wind power frequency converter, arranges again through first, second, third load reactance device and short circuit, finally constitute an easy three-phase symmetrical inductive load；Finally, using the DC terminal of tested wind power frequency converter as input, using the exchange end of tested wind power frequency converter as outfan, and controlled the simulation test of wind power frequency converter by upper computer software.
This utility model advantage is in that: device is tested in a kind of maintenance for wind power frequency converter, do not need the directly participation of motor or electrical network, need only to the DC voltage of 20V-30V, it is possible to realize wind power frequency converter maintenance test function at overwhelming majority occasion Imitating, improve maintenance testing efficiency；It addition, can as the confirmatory use of Development and Production, it is to avoid under big voltage condition, cause the damage of wind power frequency converter.
Claims (2)
- null1. the maintenance test device for wind power frequency converter，Including transformator、First、Two、Three、Four choppers、First、Two、Three load reactance devices、Short circuit is arranged、Single-phase rectification bridge、The positive busbar of DC side、The negative busbar of DC side and electric capacity of voltage regulation，It is characterized in that: described 4th chopper input is connected with civil power 220V，Described 4th chopper outfan is connected with transformer inputs，Described transformator outfan is connected with single-phase rectification bridge input，Described single-phase rectification bridge outfan is connected with electric capacity of voltage regulation input，Described electric capacity of voltage regulation outfan draws the positive busbar of DC side and the negative busbar of DC side respectively，Described DC side is just、Negative busbar respectively with wind power frequency converter DC terminal in just、Negative pole connects，Described first、Two、Three load reactance device outfans are connected with short circuit row respectively，Described first、Two、Three load reactance device inputs are respectively with first、Two、Three chopper outfans connect，Described first、Two、Three chopper inputs respectively with electric lines of force A、B、C tri-is connected，Described electric lines of force A、B、C three-phase exchanges end with wind power frequency converter respectively and is connected.
- 2. device is tested in a kind of maintenance for wind power frequency converter according to claim 1, it is characterised in that: described first, second and third load reactance device adopts ordinary inductor coil to make.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620112962.0U CN205384331U (en) | 2016-02-03 | 2016-02-03 | A overhaul testing arrangement for wind -powered electricity generation converter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620112962.0U CN205384331U (en) | 2016-02-03 | 2016-02-03 | A overhaul testing arrangement for wind -powered electricity generation converter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205384331U true CN205384331U (en) | 2016-07-13 |
Family
ID=56350451
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620112962.0U Expired - Fee Related CN205384331U (en) | 2016-02-03 | 2016-02-03 | A overhaul testing arrangement for wind -powered electricity generation converter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205384331U (en) |
-
2016
- 2016-02-03 CN CN201620112962.0U patent/CN205384331U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160713 Termination date: 20220203 |