CN105790276A - VSC-based offshore frequency-division power transmission system and method - Google Patents
VSC-based offshore frequency-division power transmission system and method Download PDFInfo
- Publication number
- CN105790276A CN105790276A CN201610212813.6A CN201610212813A CN105790276A CN 105790276 A CN105790276 A CN 105790276A CN 201610212813 A CN201610212813 A CN 201610212813A CN 105790276 A CN105790276 A CN 105790276A
- Authority
- CN
- China
- Prior art keywords
- vsc
- frequency
- wind
- marine
- current
- Prior art date
- 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.)
- Pending
Links
- 230000005540 biological transmission Effects 0.000 title claims abstract description 58
- 238000000034 method Methods 0.000 title claims abstract description 17
- 230000001131 transforming effect Effects 0.000 claims abstract description 6
- 230000005611 electricity Effects 0.000 claims description 18
- 238000001914 filtration Methods 0.000 claims description 8
- 230000008676 import Effects 0.000 claims description 6
- 239000000203 mixture Substances 0.000 claims description 2
- 238000005516 engineering process Methods 0.000 abstract description 11
- 238000006243 chemical reaction Methods 0.000 description 8
- 238000010586 diagram Methods 0.000 description 6
- 230000005684 electric field Effects 0.000 description 4
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 3
- 230000010354 integration Effects 0.000 description 3
- 229910052710 silicon Inorganic materials 0.000 description 3
- 239000010703 silicon Substances 0.000 description 3
- 238000011161 development Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000011160 research Methods 0.000 description 2
- 239000003653 coastal water Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
- 238000012827 research and development Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J3/00—Circuit arrangements for ac mains or ac distribution networks
- H02J3/04—Circuit arrangements for ac mains or ac distribution networks for connecting networks of the same frequency but supplied from different sources
- H02J3/06—Controlling transfer of power between connected networks; Controlling sharing of load between connected networks
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J3/00—Circuit arrangements for ac mains or ac distribution networks
- H02J3/36—Arrangements for transfer of electric power between ac networks via a high-tension dc link
-
- H02J3/386—
-
- 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
-
- 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
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/60—Arrangements for transfer of electric power between AC networks or generators via a high voltage DC link [HVCD]
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Control Of Eletrric Generators (AREA)
Abstract
The invention discloses a VSC-based offshore frequency-division power transmission system and method. The system comprises a fan module group, a frequency-division boosting transformer circuit, a frequency-division transmission line and a VSC-based alternating current-direct current-alternating current converter. The fan module group consists of a plurality of wind driven generators; all wind driven generators send out wind power with same frequencies and the wind power are collected into an alternating-current bus; after the frequency-division transmission line carries out frequency-division boosting and transforming, the frequency-division transmission line carries out transmission; and then after the power is transmitted to the land, the VSC-based alternating current-direct current-alternating current converter converts the power into power-frequency alternating-current power and the converted power is sent into the power grid. According to the invention, with the frequency-division transmission technology between the high-voltage alternating-current power transmission technology and the high-voltage direct-current power transmission technology, a VSC-based offshore frequency-division transmission system is realized and can be used for long-distance wind power grid-connected transmission of an offshore wind power plant.
Description
Technical field
The present invention relates to the high voltage power transmission field of power system, particularly relate to a kind of marine Fractional Frequency Power Transmission System based on VSC and method.
Background technology
In recent years, new forms of energy problem becomes one of countries in the world subject matter falling over each other research.Because the resource exhaustion problem of non-renewable energy resources, and the problem of welding is day by day serious.New forms of energy then have the advantages such as renewable and environmentally friendly, are subject to research and development energetically.And wind energy resources therein can well be utilized.Exploiting natural resources of land wind-powered electricity generation is limited, and offshore wind farm then has huge development potentiality.
Suitable the enriching of Oversea wind resource of China, exploitation Wind Power Plant at Sea is significant.Oversea wind power generation has environmental protection, and wind-force is sufficient, the features such as generated energy is big and relatively stable.
But compare, with land wind energy turbine set, the problem that remote high voltage power transmission will be faced.Offshore wind farm interconnection technology difficulty is far longer than the wind-electricity integration of land, and this is also the subject matter hindering marine wind electric field development.Offshore wind farm interconnection technologies different therewith is by substantial amounts of research and innovation, and offshore wind farm interconnection technology includes high-voltage AC transmission and D.C. high voltage transmission.
In high-voltage alternating offshore wind farm system, the transmission of wind-powered electricity generation adopts industrial frequency AC transmission of electricity, it is not necessary to conversion direct current and frequency, and simple in construction is less costly, but is only applicable to the Miniature wind electric field in coastal waters；HVDC transmission system then may be used for remote transmission of electricity, and this system converts alternating current to unidirectional current and is transmitted, but cost is the key factor of restriction the method.
Summary of the invention
For the deficiency overcoming above-mentioned prior art to exist, the purpose of the present invention is in that to provide a kind of marine Fractional Frequency Power Transmission System based on VSC and method, it utilizes the Fractional frequency technology in the middle of high-voltage AC transmission and high voltage dc transmission technology, achieve a kind of marine Fractional Frequency Power Transmission System based on VSC, it is possible to the remote wind-electricity integration for marine wind electric field is transmitted electricity.
For reaching above-mentioned and other purpose, the present invention proposes a kind of marine Fractional Frequency Power Transmission System based on VSC, this system includes blower fan module, frequency dividing voltage boosting transforming road, Fractional frequency circuit and the friendship orthogonal inverter based on VSC, this blower fan module, including some wind-driven generators, each wind-driven generator sends the wind-powered electricity generation that frequency is consistent, jointly import ac bus, after the frequency dividing boosting of this frequency dividing voltage boosting transforming road becomes, it is transmitted by this Fractional frequency circuit, is connected to the grid by converting industrial-frequency alternating current to based on the friendship orthogonal inverter of VSC behind land.
Further, this blower fan module includes at least two or above wind-driven generator.
Further, this wind-driven generator adopts permanent magnet direct-drive type.
Further, this Fractional frequency circuit is the frequency-dividing line of 220kv, 50/3Hz.
Further, should include based on the friendship orthogonal inverter of VSC:
Rectification circuit, for becoming unidirectional current by alternating current through rectifier rectification；
Direct-flow intermediate circuit, for delivering to inverter circuit after the output of this rectification circuit is carried out smothing filtering；
Inverter circuit, becomes the alternating current that frequency and voltage are all variable by the DC inverter that this direct-flow intermediate circuit exports.
Further, this rectification circuit includes being formed 3 phase electric bridges by 6 diodes, and three-phase alternating current is converted to direct current.
Further, this direct-flow intermediate circuit includes an electric capacity, is connected to the outfan of this rectification circuit.
Further, this inverter circuit includes the inverter of 6 controllable silicon compositions.
For reaching above-mentioned purpose, the present invention also provides for a kind of marine Fractional frequency method based on VSC, comprises the steps:
Step one, utilizes some wind-driven generators to send the wind-powered electricity generation that frequency is consistent, jointly imports ac bus；
Step 2, by the output of the wind-driven generator collected by being transmitted by divided transmission line of electricity after dividing boosting change；
Step 3, the alternating current of divided Transmission Lines is connected to the grid to behind land by converting industrial-frequency alternating current to based on the friendship orthogonal inverter of VSC.
Further, in step 3, first alternating current is become unidirectional current through rectifier rectification, utilize direct-flow intermediate circuit that the DC current after rectification is carried out smothing filtering, then through inverter DC current is reverse into frequency and all variable alternating current of voltage.
Compared with prior art, the present invention utilizes the Fractional frequency technology in the middle of high-voltage AC transmission and high voltage dc transmission technology, achieve a kind of marine Fractional Frequency Power Transmission System based on VSC, may be used for the transmission of electricity of the remote wind-electricity integration of marine wind electric field, the ac transmission present invention comparing power frequency can increase transmission capacity and transmission range, compare the DC transmission system present invention in the transmission of electricity of medium and long distance more economically, the present invention has only to control a changer simultaneously, accomplish a step conversion, and multiterminal can be realized by the Power Electronic Technique of IGBT and be connected to the grid.
Accompanying drawing explanation
Fig. 1 is the system architecture diagram of a kind of marine Fractional Frequency Power Transmission System based on VSC of the present invention；
Fig. 2 is the configuration diagram handing over orthogonal inverter in present pre-ferred embodiments based on VSC；
Fig. 3 is the circuit structure diagram handing over orthogonal inverter in present pre-ferred embodiments based on VSC；
Fig. 4 is the flow chart of steps of a kind of marine Fractional frequency method based on VSC of the present invention.
Detailed description of the invention
Below by way of specific instantiation accompanying drawings embodiments of the present invention, those skilled in the art can be understood further advantage and effect of the present invention easily by content disclosed in the present specification.The present invention also can pass through other different instantiation and be implemented or apply, and the every details in this specification also based on different viewpoints and application, can carry out various modification and change under the spirit without departing substantially from the present invention.
Fig. 1 is the system architecture diagram of a kind of marine Fractional Frequency Power Transmission System based on VSC of the present invention.As it is shown in figure 1, a kind of marine Fractional Frequency Power Transmission System based on VSC of the present invention, including: blower fan module 10, frequency dividing voltage boosting transforming road 20, Fractional frequency circuit 30 and the friendship orthogonal inverter 40 based on VSC.
Wherein, blower fan module 10 includes some wind-driven generators, each wind-driven generator sends the wind-powered electricity generation that frequency is consistent, jointly import ac bus, by being transmitted by divided transmission line of electricity 30 after dividing boosting and becoming, behind land by based on VSC hand over orthogonal inverter 40 after convert the industrial-frequency alternating current of 50Hz to after be connected to the grid.In present pre-ferred embodiments, wind-driven generator at least include 2 and more than, wind-driven generator adopts permanent magnet direct-drive type, the blower fan of permanent magnet direct-drive type contrasts the blower fan of double-fed asynchronous type can remove blower fan inverter below, reduce cost and structure is relatively simpler, Fractional frequency circuit 30 is the frequency-dividing line of 220kv, 50/3Hz.The present invention adopts the friendship orthogonal inverter based on VSC, is used for replacing AC-AC frequency converter and converter power transformer, it is only necessary to control a changer, accomplishes a step conversion, and can realize multiterminal by the Power Electronic Technique of IGBT and be connected to the grid.
Fig. 2 is the configuration diagram handing over orthogonal inverter in present pre-ferred embodiments based on VSC.As shown in Figure 2, rectification circuit 301, direct-flow intermediate circuit 302 and inverter circuit 303 should be included based on the friendship orthogonal inverter of VSC, wherein rectification circuit 301 is for becoming unidirectional current by alternating current through rectifier rectification, direct-flow intermediate circuit 302, for delivering to inverter circuit 303 after the output of rectified current 301 is carried out smothing filtering；The DC inverter that direct-flow intermediate circuit 302 exports is become the alternating current that frequency and voltage are all variable by inverter circuit 303.
Fig. 3 is the circuit structure diagram handing over orthogonal inverter in present pre-ferred embodiments based on VSC.As shown in Figure 3, wherein, rectification circuit 301 is formed 3 phase electric bridges by VD1-VD6, three-phase alternating current Ua/Ub/Uc is converted to direct current, direct-flow intermediate circuit 402 includes an electric capacity C, so that the output of rectification circuit 301 is carried out smothing filtering, the inverter that inverter circuit 303 is made up of 6 controllable silicons (IGBT) forms, by the DC power conversion after smothing filtering be frequency and voltage all variable three-phase alternating current output, wherein D1-D6 is the protection diode of controllable silicon (IGBT), the frequency of conversion is determined by the frequency of the grid-control voltage of controllable silicon (IGBT).Hand over orthogonal inverter to employ in present invention circuit that the power electronic devices based on VSC forms is for replacing AC-AC frequency converter and converter power transformer, though cost increases to some extent, but only that control a changer, accomplish a step conversion, also without converter power transformer, the system making the present invention is more succinct, and precision is high, and can realize multiterminal by the Power Electronic Technique of IGBT and be connected to the grid.
Fig. 4 is the flow chart of steps of a kind of marine Fractional frequency method based on VSC of the present invention.As shown in Figure 4, a kind of marine Fractional frequency method based on VSC of the present invention, comprise the steps:
Step 401, utilizes some wind-driven generators to send the wind-powered electricity generation that frequency is consistent, jointly imports ac bus.In the present invention, wind-driven generator at least include 2 and more than, wherein, wind-driven generator adopt permanent magnet direct-drive type, the blower fan of permanent magnet direct-drive type contrasts the blower fan of double-fed asynchronous type can remove blower fan inverter below, reduces cost and structure is relatively simpler.
Step 402, by the output of the wind-driven generator collected by being transmitted by divided transmission line of electricity after dividing boosting change, in the present invention, Fractional frequency circuit is the frequency-dividing line of 220kv, 50/3Hz.
Step 403, the alternating current of divided Transmission Lines is connected to the grid after converting the industrial-frequency alternating current of 50Hz to behind land by the orthogonal inverter of handing over based on VSC.Specifically, first alternating current is become unidirectional current through rectifier rectification, utilize direct-flow intermediate circuit that the unidirectional current after rectification is carried out smothing filtering, then through inverter DC current is reverse into frequency and all variable alternating current of voltage, in present pre-ferred embodiments.The present invention adopts the friendship orthogonal inverter based on VSC to be used for replacing AC-AC frequency converter and converter power transformer, it is only necessary to control a changer, accomplishes a step conversion, and can realize multiterminal by the Power Electronic Technique of IGBT and be connected to the grid.
Compared with prior art, present invention have the advantage that
(1) present invention contrasts the ac transmission of power frequency can increase transmission capacity and transmission range；
(2) present invention contrasts DC transmission system in the transmission of electricity of medium and long distance more economically；
(3) frequency division system based on contrast AC-AC frequency converter, the present invention has only to control a changer, accomplishes a step conversion, and can realize multiterminal by the Power Electronic Technique of IGBT and be connected to the grid.
Above-described embodiment is illustrative principles of the invention and effect thereof only, not for the restriction present invention.Above-described embodiment all under the spirit and category of the present invention, can carried out modifying and change by any those skilled in the art.Therefore, the scope of the present invention, should as listed by claims.
Claims (10)
1. the marine Fractional Frequency Power Transmission System based on VSC, it is characterized in that: this system includes blower fan module, frequency dividing voltage boosting transforming road, Fractional frequency circuit and the friendship orthogonal inverter based on VSC, this blower fan module, including some wind-driven generators, each wind-driven generator sends the wind-powered electricity generation that frequency is consistent, jointly import ac bus, after the frequency dividing boosting of this frequency dividing voltage boosting transforming road becomes, it is transmitted by this Fractional frequency circuit, is connected to the grid by converting industrial-frequency alternating current to based on the friendship orthogonal inverter of VSC behind land.
2. a kind of marine Fractional Frequency Power Transmission System based on VSC as claimed in claim 1, it is characterised in that: this blower fan module includes at least two or above wind-driven generator.
3. a kind of marine Fractional Frequency Power Transmission System based on VSC as claimed in claim 2, it is characterised in that: this wind-driven generator adopts permanent magnet direct-drive type.
4. a kind of marine Fractional Frequency Power Transmission System based on VSC as claimed in claim 3, it is characterised in that: this Fractional frequency circuit is the frequency-dividing line of 220kv, 50/3Hz.
5. a kind of marine Fractional Frequency Power Transmission System based on VSC as claimed in claim 1, it is characterised in that should include based on the friendship orthogonal inverter of VSC:
Rectification circuit, for becoming unidirectional current by alternating current through rectifier rectification；
Direct-flow intermediate circuit, for delivering to inverter circuit after the output of this rectification circuit is carried out smothing filtering；
Inverter circuit, becomes the alternating current that frequency and voltage are all variable by the DC inverter that this direct-flow intermediate circuit exports.
6. a kind of marine Fractional Frequency Power Transmission System based on VSC as claimed in claim 5, it is characterised in that: this rectification circuit includes being formed 3 phase electric bridges by 6 diodes, and three-phase alternating current is converted to direct current.
7. a kind of marine Fractional Frequency Power Transmission System based on VSC as claimed in claim 6, it is characterised in that: this direct-flow intermediate circuit includes an electric capacity, is connected to the outfan of this rectification circuit.
8. a kind of marine Fractional Frequency Power Transmission System based on VSC as claimed in claim 7, it is characterised in that: this inverter circuit includes the inverter of 6 controllable silicons compositions.
9., based on a marine Fractional frequency method of VSC, comprise the steps:
Step one, utilizes some wind-driven generators to send the wind-powered electricity generation that frequency is consistent, jointly imports ac bus；
Step 2, by the output of the wind-driven generator collected by being transmitted by divided transmission line of electricity after dividing boosting change；
Step 3, the alternating current of divided Transmission Lines is connected to the grid to behind land by converting industrial-frequency alternating current to based on the friendship orthogonal inverter of VSC.
10. a kind of marine Fractional frequency method based on VSC as claimed in claim 9, it is characterized in that: in step 3, first alternating current is become unidirectional current through rectifier rectification, utilize direct-flow intermediate circuit that the DC current after rectification is carried out smothing filtering, then through inverter DC current is reverse into frequency and all variable alternating current of voltage.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610212813.6A CN105790276A (en) | 2016-04-07 | 2016-04-07 | VSC-based offshore frequency-division power transmission system and method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610212813.6A CN105790276A (en) | 2016-04-07 | 2016-04-07 | VSC-based offshore frequency-division power transmission system and method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105790276A true CN105790276A (en) | 2016-07-20 |
Family
ID=56394944
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610212813.6A Pending CN105790276A (en) | 2016-04-07 | 2016-04-07 | VSC-based offshore frequency-division power transmission system and method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105790276A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107480875A (en) * | 2017-08-02 | 2017-12-15 | 华北电力大学 | A kind of marine frequency dividing cable transmission systems allocation plan choosing method |
| CN107634543A (en) * | 2017-11-21 | 2018-01-26 | 国网上海市电力公司 | A kind of offshore wind farm booster system and step-up method |
| CN108649577A (en) * | 2018-06-19 | 2018-10-12 | 全球能源互联网研究院有限公司 | A kind of transmission system |
| CN110148945A (en) * | 2019-05-15 | 2019-08-20 | 全球能源互联网研究院有限公司 | A kind of ground connection isolating device based on low frequency power transmission system |
| WO2021004479A1 (en) * | 2019-07-10 | 2021-01-14 | 国网浙江省电力有限公司台州供电公司 | Variable-frequency power transmission system |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105429183A (en) * | 2016-01-06 | 2016-03-23 | 河海大学 | Permanent magnetic direct-drive type offshore wind power plant grid-connected system topology structure and control method thereof |
-
2016
- 2016-04-07 CN CN201610212813.6A patent/CN105790276A/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105429183A (en) * | 2016-01-06 | 2016-03-23 | 河海大学 | Permanent magnetic direct-drive type offshore wind power plant grid-connected system topology structure and control method thereof |
Non-Patent Citations (2)
| Title |
|---|
| 卫晓辉等: "分频风电系统风机并网实验研究", 《中国电机工程学报》 * |
| 王锡凡等: "海上风电并网与输送方案比较", 《中国电机工程学报》 * |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107480875A (en) * | 2017-08-02 | 2017-12-15 | 华北电力大学 | A kind of marine frequency dividing cable transmission systems allocation plan choosing method |
| CN107480875B (en) * | 2017-08-02 | 2021-06-22 | 华北电力大学 | Method for selecting offshore frequency division cable power transmission system configuration scheme |
| CN107634543A (en) * | 2017-11-21 | 2018-01-26 | 国网上海市电力公司 | A kind of offshore wind farm booster system and step-up method |
| CN108649577A (en) * | 2018-06-19 | 2018-10-12 | 全球能源互联网研究院有限公司 | A kind of transmission system |
| CN110148945A (en) * | 2019-05-15 | 2019-08-20 | 全球能源互联网研究院有限公司 | A kind of ground connection isolating device based on low frequency power transmission system |
| CN110148945B (en) * | 2019-05-15 | 2020-09-29 | 全球能源互联网研究院有限公司 | Grounding isolation device based on low-frequency power transmission system |
| WO2021004479A1 (en) * | 2019-07-10 | 2021-01-14 | 国网浙江省电力有限公司台州供电公司 | Variable-frequency power transmission system |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105790276A (en) | VSC-based offshore frequency-division power transmission system and method | |
| CN105226714A (en) | A kind of offshore wind farm direct current converges transmission system and method for designing | |
| CN105207257A (en) | Offshore wind turbine grid connection method and system | |
| CN108092257A (en) | A kind of 18 phase wind-driven generator direct current grid connected structures and its control method | |
| Ahmed et al. | Grid power integration technologies for offshore ocean wave energy | |
| Bala et al. | DC connection of offshore wind power plants without platform | |
| Sahin et al. | PMSG based standalone wind electric conversion system with MPPT | |
| CN106452098A (en) | High-voltage and large-power wind power generation system and control method thereof | |
| Johnson et al. | Offshore wind farm with DC collection system | |
| CN205123278U (en) | Marine wind power direct current assembles power transmission system | |
| Kalaivani et al. | A standalone hybrid power generation system | |
| Mudholker et al. | SVPWM based converter for PMSG based wind energy conversion system | |
| Nawaz et al. | Voltage regulation of variable speed wind turbine using MATLAB/Simulink | |
| Berkani et al. | Integration of offshore wind farm plants to the power grid using an HVDC line transmission | |
| CN211981512U (en) | Offshore wind power and wave combined generator set | |
| CN204361682U (en) | The full direct current energy collecting system of a kind of wind energy turbine set | |
| CN203406622U (en) | Direct-drive wind generation system based on common direct-current bus | |
| Okundamiya et al. | Power electronics technology: enabling large-scale injection of wind energy into the grid | |
| CN110932316A (en) | Offshore wind power and wave combined generator set | |
| CN204886382U (en) | A scene is complementary from power supply system for well station data acquisition , transmission | |
| Ahmed et al. | The potential for grid power integration of offshore ocean wave energy in the UK | |
| Tatsuta et al. | Basic investigations on a wind power plant consisting of series-connected wind turbine generators | |
| Luo | Design of wind-turbine energy system | |
| CN104332986B (en) | A kind of full direct current energy collecting system of wind power plant | |
| CN204258296U (en) | Switching magnetic-resistance wind-driven generator direct current exports booster type electrical conversion systems |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20160720 |
|
| WD01 | Invention patent application deemed withdrawn after publication |