CN206602370U - The standby power system of offshore wind turbine - Google Patents
The standby power system of offshore wind turbine Download PDFInfo
- Publication number
- CN206602370U CN206602370U CN201720315027.9U CN201720315027U CN206602370U CN 206602370 U CN206602370 U CN 206602370U CN 201720315027 U CN201720315027 U CN 201720315027U CN 206602370 U CN206602370 U CN 206602370U
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- Prior art keywords
- wind
- typhoon
- generating set
- wind turbine
- offshore wind
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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
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B10/00—Integration of renewable energy sources in buildings
- Y02B10/70—Hybrid systems, e.g. uninterruptible or back-up power supplies integrating renewable energies
-
- 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
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B70/00—Technologies for an efficient end-user side electric power management and consumption
- Y02B70/30—Systems integrating technologies related to power network operation and communication or information technologies for improving the carbon footprint of the management of residential or tertiary loads, i.e. smart grids as climate change mitigation technology in the buildings sector, including also the last stages of power distribution and the control, monitoring or operating management systems at local level
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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
- Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
- Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
- Y04S20/00—Management or operation of end-user stationary applications or the last stages of power distribution; Controlling, monitoring or operating thereof
- Y04S20/20—End-user application control systems
Abstract
The utility model discloses a kind of standby power system of offshore wind turbine, including：Small-sized Anti-Typhoon wind power generating set, for converting wind energy into electric energy；Controller, is electrically connected between the small-sized Anti-Typhoon wind power generating set and battery, for controlling electricity of the small-sized Anti-Typhoon wind power generating set to the accumulator cell charging and discharging；Inverter, is connected with the battery, for being that the offshore wind turbine is powered by the DC inverter stored in battery is three-phase alternating current.The utility model can long-time stable effectively power, so as to provide the stand-by power supply independent of external electrical network, both it can be charged under normal operating conditions for large-scale wind electricity unit accumulating system, for the driftage of large-scale wind electricity unit, pitch-controlled system can provide continued power under the conditions of typhoon again.
Description
Technical field
The utility model is related to technical field of wind power generation, more particularly to one kind utilizes small-sized wind power generator group in power network
The system powered after off-grid for offshore wind turbine.
Background technology
It is more and more obvious by the restriction of the factors such as land resource, wind-resources, noise and environment due to developing land wind-powered electricity generation,
So the exploitation of offshore wind farm is increasingly becoming the new direction of Wind Power Generation.But during wind power generating set operation at sea, can
Power network support can be lost because of the reason such as external electrical network failure, grid-connected.At this moment, it will to offshore wind turbine bring with
Lower harm：
Firstth, marine wind electric field is in harsh naval air environment, and the humidity and concentration of saline fog in air are very high.Such as
Fruit loses power supply and powered, and the device such as dehumidifying, heating, cooling, salt mist in wind power generating set can not normal work.Low temperature,
Humidity, salt fog etc. may cause some systems of blower fan to occur damaging or corrosion, cause potential faults.
Secondth, in the extreme weather such as storm wind or typhoon, wind power generating set power network off-grid, if losing power supply
Power supply, pitch-controlled system and yaw system can not normal works, it is impossible to ensure that wind power generating set is in windward side and blade all the time
It is fixed on feather position.Wind power generating set load may be increased, potential safety hazard is brought to wind power generating set.
3rd, wind power generating set belongs to rotating machinery, and grid-connected preceding prolonged be stopped can cause wind-driven generator
Lubricating oil, the damage of rotatable parts in group.
Therefore, in order to ensure wind power generating set lose power network support in the case of remain able to safe and stable operation, mesh
Preceding wind power generating set is equipped with a set of standby power system mostly, and diesel-electric set electric supply is used standby power system more, excellent
Point is the good environmental adaptability, with low cost and can continuously run for a long time of diesel generating set.Have the disadvantage wind park
Geographical position is more remote diesel oil and to set up storage tank farm, it is necessary to transport over long distances, easily causes potential safety hazard, and diesel oil is sent out
The efficiency of group of motors is low, seriously polluted.Especially for marine wind power plant, transport and storage are inconvenient, and operating cost
It is higher with maintenance cost.And if offshore wind turbine safeguards improper, stand-by power supply power-on time can not meet requirement,
It will cause to become oar and yaw system is not normally functioning, control system failure causes to damage to lubricating oil, rotatable parts so that
There is potential safety hazard in wind power generating set.Accordingly, it would be desirable to a kind of Oversea wind safeguarded that can effectively power and be easy to for a long time
The standby power system of generating set.
The content of the invention
The purpose of this utility model is that providing one kind for offshore wind farm unit utilizes small-sized Anti-Typhoon wind power generating set
To realize for a long time effectively power supply and the low wind power generating set standby power system of operation expense.Can at sea wind-force
Charged when generating set is normally run for battery system, and can be offshore wind turbine adding after grid-connected preceding or off-grid
Hot systems, dehumidification system, cooling system, yaw system, pitch-controlled system and its energy storage device provide working power.
For up to above-mentioned purpose, the utility model uses following technical scheme：
A kind of standby power system of offshore wind turbine, including：
Small-sized Anti-Typhoon wind power generating set, for converting wind energy into electric energy；
Controller, is electrically connected between the small-sized Anti-Typhoon wind power generating set and battery, described for controlling
Electricity from small-sized Anti-Typhoon wind power generating set to the accumulator cell charging and discharging；
Inverter, is connected with the battery, for by the DC inverter stored in battery be three-phase alternating current from
And be that the offshore wind turbine is powered.
According to the utility model proposes offshore wind turbine standby power system, wherein, it is described small-sized to combat typhoon
Wind wind power generation unit is laid on the ground near the offshore wind turbine.
According to the utility model proposes offshore wind turbine standby power system, wherein, it is described small-sized to combat typhoon
Wind Wind turbines are laid near the bank booster stations near wind power plant.
According to the utility model proposes offshore wind turbine standby power system, wherein, it is described small-sized to combat typhoon
Wind Wind turbines are laid on wind power plant boosting platform.
According to the utility model proposes offshore wind turbine standby power system, wherein, the inverter is defeated
The three-phase alternating current gone out is used for the heating system for the offshore wind turbine, dehumidification system, cooling system, driftage system
System, pitch-controlled system and its energy storage device are powered.
Compared with prior art, the utility model proposes the standby power systems of marine Large-scale Wind Turbines can
Long-time stable is effectively powered, so that the stand-by power supply independent of external electrical network is provided, both can be in normal operation
Charged for large-scale wind electricity unit accumulating system down, can be again the driftage of large-scale wind electricity unit, pitch-controlled system under the conditions of typhoon
Continued power is provided.So as to reduce the load in the case of wind power plant developing operation cost, reduction offshore wind farm unit typhoon, it is ensured that
Unit safety operation.
Brief description of the drawings
Fig. 1 is the structural representation of the specific embodiment of standby power system one of offshore wind turbine of the present utility model
Figure.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the utility model embodiment is carried out
Clearly and completely describe, it is clear that described embodiment is only a part of embodiment of the utility model, rather than whole
Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not under the premise of creative work is paid
The every other embodiment obtained, belongs to the scope of the utility model protection.
Fig. 1 is the structural representation of the standby power system of the wind power generating set according to the utility model embodiment.Ginseng
According to Fig. 1, the standby power system of the wind power generating set includes small-sized Anti-Typhoon wind power generating set U1, controller U2, stored
Battery U3 and inverter U4.Specifically, small-sized Anti-Typhoon wind power generating set U1 wind wheels transform wind energy into electric energy and deposited
Storing up electricity energy.Small-sized Anti-Typhoon wind power generating set U1 can be horizontal axis wind-driven generator group and vertical axis aerogenerator group.Control
Device U2 processed is used to controlling and showing charging of the wind energy conversion system to battery U3.Battery U3 is used to storing and supplying electric energy.For example, working as
External electrical network normal power supply is so that when wind power generating set is normally run, battery U3 is in the state of storage electric energy.Work as outside
During electric network power-fail, battery U3 is in the state of supply electric energy.Inverter U4 is used for
Three-phase alternating current, powers during so as to external electrical network power down for the electrical system of wind power generating set.
When external electrical network normal power supply, switch K2 closures, K1 disconnects.Now, battery is in the state of storage electric energy.
When external electrical network power down, switch K2 is disconnected, and K1 closures, battery U3 is powered by inverter U4 direction wind-driven generator groups, from
And each electrical system for needing to power is provided power to, for example, heating system of wind power generating set, dehumidification system, cold
But system, yaw system, pitch-controlled system and its energy storage device provide working power.Now, battery is in the shape of supply electric energy
State.In addition, battery can be simultaneously in the state for storing electric energy.
According to embodiment of the present utility model, the laying mode of small-sized Anti-Typhoon wind power generating set can include following form
At least one of：Lay on the spot, i.e., small-sized Anti-Typhoon Wind turbines are laid on the ground near wind power generating set；Bank
Lay, i.e., small-sized Anti-Typhoon Wind turbines are laid near the bank booster stations near wind power plant near booster stations；Sea rises
Press and arranged on platform, small-sized Anti-Typhoon Wind turbines are laid on wind power plant offshore boosting station platform.
Although the foregoing describing the laying mode of several small-sized Anti-Typhoon Wind turbines, the utility model is not limited to
This, can arrange small-sized Anti-Typhoon Wind turbines in other various laying modes.
By using the wind power generating set standby power system according to the utility model embodiment, in the case of typhoon,
The standby power system can also provide power supply for yaw system, pitch-controlled system, reduce rack load, it is ensured that unit safety is transported
OK；Before wind farm grid-connected, the standby power system can also be the heating system of wind power generating set, dehumidification system, cooling
System, yaw system, pitch-controlled system and its energy storage device provide working power, can reduce the unfavorable ring such as low temperature, high temperature, humidity
Harm of the border factor to wind power generating set internal electric system.
One of ordinary skill in the art will appreciate that：Accompanying drawing be module in the schematic diagram of one embodiment, accompanying drawing or
Flow is not necessarily implemented necessary to the utility model.
One of ordinary skill in the art will appreciate that：The module in device in embodiment can be according to embodiment description point
It is distributed in the device of embodiment, respective change can also be carried out and be disposed other than in one or more devices of the present embodiment.On
The module for stating embodiment can be merged into a module, can also be further split into multiple submodule.
Finally it should be noted that：Above example is only to illustrate the technical solution of the utility model, rather than its limitations；
Although the utility model is described in detail with reference to the foregoing embodiments, it will be understood by those within the art that：
It can still be modified to the technical scheme described in previous embodiment, or which part technical characteristic is equal
Replace；And these modifications or replacement, the essence of appropriate technical solution is departed from the utility model embodiment technical scheme
Spirit and scope.
Claims (5)
1. a kind of standby power system of offshore wind turbine, it is characterised in that including：
Small-sized Anti-Typhoon wind power generating set, for converting wind energy into electric energy；
Controller, is electrically connected between the small-sized Anti-Typhoon wind power generating set and battery, described small-sized for controlling
Electricity from Anti-Typhoon wind power generating set to the accumulator cell charging and discharging；
Inverter, is connected with the battery, for being by the DC inverter stored in battery is three-phase alternating current
The offshore wind turbine is powered.
2. the standby power system of offshore wind turbine according to claim 1, it is characterised in that described small-sized anti-
Typhoon wind power generating set is laid on the ground near the offshore wind turbine.
3. the standby power system of offshore wind turbine according to claim 1, it is characterised in that described small-sized anti-
Typhoon Wind turbines are laid near the bank booster stations near wind power plant.
4. the standby power system of offshore wind turbine according to claim 1, it is characterised in that described small-sized anti-
Typhoon Wind turbines are laid on wind power plant boosting platform.
5. the standby power system of offshore wind turbine according to claim 1, it is characterised in that the inverter
The three-phase alternating current of output is used for the heating system for the offshore wind turbine, dehumidification system, cooling system, driftage system
System, pitch-controlled system and its energy storage device are powered.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720315027.9U CN206602370U (en) | 2017-03-28 | 2017-03-28 | The standby power system of offshore wind turbine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720315027.9U CN206602370U (en) | 2017-03-28 | 2017-03-28 | The standby power system of offshore wind turbine |
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| Publication Number | Publication Date |
|---|---|
| CN206602370U true CN206602370U (en) | 2017-10-31 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
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| CN201720315027.9U Active CN206602370U (en) | 2017-03-28 | 2017-03-28 | The standby power system of offshore wind turbine |
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| Country | Link |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110391678A (en) * | 2019-06-05 | 2019-10-29 | 全球能源互联网欧洲研究院 | A kind of emergency electric system based on offshore platform |
| CN110875594A (en) * | 2018-08-31 | 2020-03-10 | 北京金风科创风电设备有限公司 | Wind generating set and standby redundant power supply system thereof |
-
2017
- 2017-03-28 CN CN201720315027.9U patent/CN206602370U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110875594A (en) * | 2018-08-31 | 2020-03-10 | 北京金风科创风电设备有限公司 | Wind generating set and standby redundant power supply system thereof |
| CN110391678A (en) * | 2019-06-05 | 2019-10-29 | 全球能源互联网欧洲研究院 | A kind of emergency electric system based on offshore platform |
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