CN203553941U - Transformer induction filtering and reactive compensation integration device suitable for wind electricity - Google Patents
Transformer induction filtering and reactive compensation integration device suitable for wind electricity Download PDFInfo
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- CN203553941U CN203553941U CN201320610564.8U CN201320610564U CN203553941U CN 203553941 U CN203553941 U CN 203553941U CN 201320610564 U CN201320610564 U CN 201320610564U CN 203553941 U CN203553941 U CN 203553941U
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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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- 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
- Y02E40/00—Technologies for an efficient electrical power generation, transmission or distribution
- Y02E40/10—Flexible AC transmission systems [FACTS]
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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
- Y02E40/00—Technologies for an efficient electrical power generation, transmission or distribution
- Y02E40/40—Arrangements for reducing harmonics
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Abstract
The utility model discloses a transformer induction filtering and reactive compensation integration device suitable for wind electricity. The transformer induction filtering and reactive compensation integration device suitable for the wind electricity comprises a grid-connected transformer adopting a three-winding structure, wherein the grid-connected transformer comprises a primary side high-voltage winding, a secondary side medium-voltage winding and a secondary side low-voltage filtering winding; the primary side high-voltage winding of the grid-connected transformer is connected with an alternating current power grid; the secondary side medium-voltage winding is connected with a wind electricity plant; and the secondary side low-voltage filtering winding is respectively connected with an induction filtering tuning branch and a static var generator (SVG). According to the transformer induction filtering and reactive compensation integration device suitable for the wind electricity, the main wind electricity harmonic wave is effectively shielded and is subjected to quick reactive compensation by the cooperation of the grid-connected transformer, the induction filtering tuning branch and the SVG, and influence on an accessed power grid by wind electricity grid connection is lowered. Meanwhile, harmonic wave flux in an iron core can be greatly lowered, and the vibration and noise problem of the transformer can be effectively solved. Meanwhile, the iron core loss and the additional loss can be lowered, and the iron core is prevented from being overheated.
Description
Technical field
The utility model relates to wind power generation field, particularly a kind of transformer induction filtering and reactive power compensation integrating device that is applicable to wind-powered electricity generation.
Background technology
Wind energy is a kind of regenerative resource of inexhaustible cleanliness without any pollution again.Country attaches great importance to renewable energy power generation in policy, and along with the fast development of wind generating technology, China's wind power generation construction has entered fast-developing period.The capacity of wind energy turbine set is increasing, its impact on system is also more and more obvious, the harmonic pollution problem producing is the power quality problem that electric power system is comparatively paid close attention to, when meanwhile, wind-powered electricity generation unit is due to the randomness of wind energy, operation to idle demand and idle can only in-situ balancing etc. reason will affect to line voltage.
Make a general survey of current harmonic suppressing method, mainly comprise passive filtering, active power filtering and the current conventional multiple rectifying method of industrial power supply system, and these methods also exist not that foot point drawn game is sex-limited, the problem to reactive requirement in the time of can not solving harmonic pollution and operation.
Summary of the invention
In order to solve the problems of the technologies described above, the utility model provides the transformer induction filtering that is applicable to wind-powered electricity generation and the reactive power compensation integrating device that a kind of harmonic filtration rate is high.
The technical scheme that the utility model addresses the above problem is: a kind of transformer induction filtering and reactive power compensation integrating device that is applicable to wind-powered electricity generation, comprise the grid-connected transformer that adopts three winding constructions, described grid-connected transformer comprises presses winding and secondary side low-voltage filter winding in primary side high pressure winding, secondary side, the primary side high pressure winding of grid-connected transformer is connected with AC network, in secondary side, press winding to be connected with wind energy turbine set, secondary side low-voltage filter winding is connected with induction filter tuning branch road, static reacance generator SVG respectively.
The primary side high pressure winding of described grid-connected transformer adopts star-star connection.
In the secondary side of described grid-connected transformer, press winding to adopt delta connection.
The secondary side low-voltage filter winding of described grid-connected transformer adopts delta connection.
The beneficial effects of the utility model are: the utility model is the cooperation with induction filter tuning branch road, static reacance generator SVG by grid-connected transformer, effective shielding and the Quick reactive-load compensation of realization to the main harmonic wave of wind-powered electricity generation, reduce the impact of wind-electricity integration on access electrical network, also can greatly reduce the harmonic flux in iron core simultaneously, efficiently solve vibration and the noise problem of transformer, also reduced core loss and supplementary load loss, avoid iron core overheated simultaneously.
Accompanying drawing explanation
Fig. 1 is electrical block diagram of the present utility model.
In figure: 1, wind energy turbine set, 2, grid-connected transformer, 3, induction filter tuning branch road, 4, static reacance generator SVG, 5, AC network.
Embodiment
Below in conjunction with drawings and Examples, the utility model is further described.
As shown in Figure 1, the utility model comprises the grid-connected transformer 2 that adopts three winding constructions, induction filter tuning branch road 3, static reacance generator SVG4, described grid-connected transformer 2 comprises primary side high pressure winding, in secondary side, press winding and secondary side low-voltage filter winding, the primary side high pressure winding of grid-connected transformer 2 adopts star-star connection, in secondary side, press winding and secondary side low-voltage filter winding to adopt delta connection, the primary side high pressure winding of grid-connected transformer 2 is connected with AC network 5, in secondary side, press winding to be connected with wind energy turbine set 1, secondary side low-voltage filter winding respectively with induction filter tuning branch road 3, static reacance generator SVG4 is connected.
The secondary side low-voltage filter winding of grid-connected transformer 2 is connected with induction filter tuning branch road 3, form the harmonic wave short-circuited conducting sleeve that approaches zero impedance, be directed to the feature of the harmonic wave of wind-powered electricity generation, single tuning filter branch and the high-pass filtering branch road of the harmonics such as induction filter tuning branch road 3 operated by rotary motion 5,7,11,13.The induction filter that grid-connected transformer 2 and induction filter tuning branch road 3 form not only can filtering wind energy turbine set produce harmonic wave, also can shield the harmonic wave from electrical network simultaneously, has the function of bidirectional filtering.
The utility model is the cooperation with induction filter tuning branch road, static reacance generator SVG by grid-connected transformer, effective shielding and the Quick reactive-load compensation of realization to the main harmonic wave of wind-powered electricity generation, reduce the impact of wind-electricity integration on access electrical network, also can greatly reduce the harmonic flux in iron core simultaneously, efficiently solve vibration and the noise problem of transformer, also reduced core loss and supplementary load loss, avoid iron core overheated simultaneously.
Claims (4)
1. transformer induction filtering and a reactive power compensation integrating device that is applicable to wind-powered electricity generation, it is characterized in that: comprise the grid-connected transformer that adopts three winding constructions, described grid-connected transformer comprises presses winding and secondary side low-voltage filter winding in primary side high pressure winding, secondary side, the primary side high pressure winding of grid-connected transformer is connected with AC network, in secondary side, press winding to be connected with wind energy turbine set, secondary side low-voltage filter winding is connected with induction filter tuning branch road, static reacance generator SVG respectively.
2. transformer induction filtering and the reactive power compensation integrating device that is applicable to wind-powered electricity generation as claimed in claim 1, is characterized in that: the primary side high pressure winding of described grid-connected transformer adopts star-star connection.
3. transformer induction filtering and the reactive power compensation integrating device that is applicable to wind-powered electricity generation as claimed in claim 1, is characterized in that: in the secondary side of described grid-connected transformer, press winding to adopt delta connection.
4. transformer induction filtering and the reactive power compensation integrating device that is applicable to wind-powered electricity generation as claimed in claim 1, is characterized in that: the secondary side low-voltage filter winding of described grid-connected transformer adopts delta connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320610564.8U CN203553941U (en) | 2013-09-30 | 2013-09-30 | Transformer induction filtering and reactive compensation integration device suitable for wind electricity |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320610564.8U CN203553941U (en) | 2013-09-30 | 2013-09-30 | Transformer induction filtering and reactive compensation integration device suitable for wind electricity |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203553941U true CN203553941U (en) | 2014-04-16 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201320610564.8U Expired - Fee Related CN203553941U (en) | 2013-09-30 | 2013-09-30 | Transformer induction filtering and reactive compensation integration device suitable for wind electricity |
Country Status (1)
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| CN (1) | CN203553941U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103501005A (en) * | 2013-09-30 | 2014-01-08 | 国网湖南省电力公司 | Transformer induction filtering and reactive compensation integration device suitable for wind power |
| CN104466963A (en) * | 2014-12-11 | 2015-03-25 | 湖南大学 | Power induction and regulation filtering device and control method thereof |
| CN108878120A (en) * | 2017-05-08 | 2018-11-23 | 特变电工衡阳变压器有限公司 | A kind of energy-saving filter type power transformer |
| US11152787B2 (en) | 2020-01-10 | 2021-10-19 | General Electric Company | System of modular reactive power compensators |
-
2013
- 2013-09-30 CN CN201320610564.8U patent/CN203553941U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103501005A (en) * | 2013-09-30 | 2014-01-08 | 国网湖南省电力公司 | Transformer induction filtering and reactive compensation integration device suitable for wind power |
| CN104466963A (en) * | 2014-12-11 | 2015-03-25 | 湖南大学 | Power induction and regulation filtering device and control method thereof |
| CN108878120A (en) * | 2017-05-08 | 2018-11-23 | 特变电工衡阳变压器有限公司 | A kind of energy-saving filter type power transformer |
| US11152787B2 (en) | 2020-01-10 | 2021-10-19 | General Electric Company | System of modular reactive power compensators |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140416 Termination date: 20140930 |
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| EXPY | Termination of patent right or utility model |