CN111262274A - Offshore wind power generation system using ocean energy as auxiliary power supply and control method thereof - Google Patents
Offshore wind power generation system using ocean energy as auxiliary power supply and control method thereof Download PDFInfo
- Publication number
- CN111262274A CN111262274A CN202010211097.6A CN202010211097A CN111262274A CN 111262274 A CN111262274 A CN 111262274A CN 202010211097 A CN202010211097 A CN 202010211097A CN 111262274 A CN111262274 A CN 111262274A
- Authority
- CN
- China
- Prior art keywords
- energy
- offshore wind
- offshore
- field level
- generating set
- 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
- 238000010248 power generation Methods 0.000 title claims abstract description 47
- 238000000034 method Methods 0.000 title claims abstract description 10
- 238000004146 energy storage Methods 0.000 claims abstract description 38
- 238000001816 cooling Methods 0.000 claims abstract description 26
- 230000004083 survival effect Effects 0.000 claims description 25
- 238000004891 communication Methods 0.000 claims description 7
- 230000005611 electricity Effects 0.000 claims description 7
- 239000002826 coolant Substances 0.000 claims description 4
- 239000003990 capacitor Substances 0.000 claims description 3
- 239000000446 fuel Substances 0.000 claims description 3
- 230000005540 biological transmission Effects 0.000 abstract description 10
- 239000002131 composite material Substances 0.000 abstract description 3
- 238000012423 maintenance Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 230000009347 mechanical transmission Effects 0.000 description 1
Images
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
- F03B—MACHINES OR ENGINES FOR LIQUIDS
- F03B13/00—Adaptations of machines or engines for special use; Combinations of machines or engines with driving or driven apparatus; Power stations or aggregates
- F03B13/12—Adaptations of machines or engines for special use; Combinations of machines or engines with driving or driven apparatus; Power stations or aggregates characterised by using wave or tide energy
- F03B13/14—Adaptations of machines or engines for special use; Combinations of machines or engines with driving or driven apparatus; Power stations or aggregates characterised by using wave or tide energy using wave energy
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
- F03B—MACHINES OR ENGINES FOR LIQUIDS
- F03B13/00—Adaptations of machines or engines for special use; Combinations of machines or engines with driving or driven apparatus; Power stations or aggregates
- F03B13/12—Adaptations of machines or engines for special use; Combinations of machines or engines with driving or driven apparatus; Power stations or aggregates characterised by using wave or tide energy
- F03B13/26—Adaptations of machines or engines for special use; Combinations of machines or engines with driving or driven apparatus; Power stations or aggregates characterised by using wave or tide energy using tide energy
- F03B13/264—Adaptations of machines or engines for special use; Combinations of machines or engines with driving or driven apparatus; Power stations or aggregates characterised by using wave or tide energy using tide energy using the horizontal flow of water resulting from tide movement
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
- F03D—WIND MOTORS
- F03D9/00—Adaptations of wind motors for special use; Combinations of wind motors with apparatus driven thereby; Wind motors specially adapted for installation in particular locations
- F03D9/008—Adaptations of wind motors for special use; Combinations of wind motors with apparatus driven thereby; Wind motors specially adapted for installation in particular locations the wind motor being combined with water energy converters, e.g. a water turbine
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
- F03D—WIND MOTORS
- F03D9/00—Adaptations of wind motors for special use; Combinations of wind motors with apparatus driven thereby; Wind motors specially adapted for installation in particular locations
- F03D9/10—Combinations of wind motors with apparatus storing energy
- F03D9/11—Combinations of wind motors with apparatus storing energy storing electrical energy
-
- 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
- H02J3/28—Arrangements for balancing of the load in a network by storage of energy
-
- 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
- Y02E10/30—Energy from the sea, e.g. using wave energy or salinity gradient
-
- 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
- Y02E10/72—Wind turbines with rotation axis in wind direction
-
- 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
- Y02E70/00—Other energy conversion or management systems reducing GHG emissions
- Y02E70/30—Systems combining energy storage with energy generation of non-fossil origin
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- General Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Power Engineering (AREA)
- Sustainable Development (AREA)
- Sustainable Energy (AREA)
- Oceanography (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Wind Motors (AREA)
- Control Of Eletrric Generators (AREA)
Abstract
The invention discloses an offshore wind power generation system taking ocean energy as an auxiliary power supply and a control method thereof, belonging to the field of offshore wind power generation sets, comprising an offshore wind power generation set, wherein the offshore wind power generation set comprises a wind power generator, an electric transmission converter connected with the wind power generator, a yaw system and a low-temperature cooling system, the wind power generator is connected with a regional power grid through the electric transmission converter, and the offshore wind power generation system also comprises: the tidal current energy generator set and the wave energy generator set are both connected with the field level controller; the wind driven generator is connected with the field level controller through a field level control network; and the field level controller is connected with the regional power grid and the energy storage system. The offshore power generation system of the invention uses ocean power generation as standby and secondary energy of a large-scale wind generating set, and forms a composite power generation system with the wind generating set, thereby not only improving the generating capacity, but also providing energy for a low-temperature cooling system, yaw leeward and related emergency power consumption of the wind generating set in emergency.
Description
Technical Field
The invention relates to the field of offshore wind power generation units, in particular to an offshore wind power generation system taking ocean energy as an auxiliary power supply and a control method thereof.
Background
With the large-scale of the offshore wind generating set, the safety of yaw and emergency electricity utilization in emergency cooling and typhoon situations is increasingly important. At present, due to the upsizing of offshore wind power, the development of the offshore wind power is towards the grade above 10MW, and the offshore wind power is faced with huge technical challenges, which are mainly reflected in the following aspects:
1. the electric transmission system and the mechanical transmission system (if any) have higher requirements on heat dissipation and cooling due to higher power, and some medium even needs to adopt a state change, so that the continuous safe operation of the cooling system has higher requirements, the stop of the cooling system generates larger loss, and the later maintenance is greatly influenced.
2. An offshore wind generating set often needs to face severe offshore working conditions such as typhoons, and under emergency conditions such as typhoons in case of power failure, enough energy needs to be available for yaw leeward of the set so as to guarantee the maximum survival capability of the set under typhoons.
Therefore, it is very important to improve the survival capability of the offshore wind turbine in emergency.
Disclosure of Invention
The offshore wind power generation system takes the ocean energy power generation as the standby and secondary energy of a large wind generating set, and forms a composite power generation system with the wind generating set, so that the power generation capacity can be improved, energy is provided for a low-temperature cooling system, yaw leeward and related emergency electricity of the wind generating set in an emergency, and the ocean energy is effectively utilized.
In order to solve the technical problems, the technical scheme provided by the invention is as follows:
on one hand, the invention provides an offshore wind power generation system taking ocean energy as an auxiliary power supply, which comprises an offshore wind power generation unit, a tidal current energy generation unit, a wave energy generation unit, an energy storage system, a field level control network and a field level controller, wherein the offshore wind power generation unit comprises a wind power generator, an electric transmission converter, a yaw system and a cryogenic cooling system, the electric transmission converter is connected with the wind power generator, the wind power generator is connected with a regional power grid through the electric transmission converter, and the tidal current energy generation unit, the wave energy generation unit, the energy storage system, the:
the tidal current energy generator set and the wave energy generator set are both connected with the field level controller; the wind driven generator is connected with the field level controller through a field level control network; the field level controller is connected with a regional power grid and an energy storage system;
when the power grid is monitored to be normal, the wind driven generator, the tidal current energy generator set and the wave energy generator set transmit electric energy to a regional power grid, and the field level controller controls power generation capacity and charges an energy storage system;
when the power grid fault is monitored, the tidal current energy generator set, the wave energy generator set and the energy storage system supply power, the low-temperature cooling system and the yaw system are powered on, and energy balance is controlled through the field level control network.
Further, the system also comprises a marine emergency survival system connected with the energy storage system and used for emergency danger avoidance, communication and/or call for help.
Furthermore, the offshore emergency survival system is also connected with a tidal current energy generating set and a wave energy generating set through a field controller; the offshore emergency survival system supplies power to carry out emergency danger avoidance, communication and/or call for help through the energy storage system, the tidal current energy generator set and the wave energy generator set.
Further, the offshore emergency survival system is installed at a machine position of the offshore wind turbine generator system.
Furthermore, the offshore wind generating set is provided with aviation and navigation indicator lights.
Further, the energy storage system is a battery, a super capacitor or a fuel cell stack.
Further, the cryogenic cooling system is also connected to an electric drive converter.
In another aspect, there is provided a method of controlling an offshore wind turbine system using ocean energy as an auxiliary power supply, including:
1) under the condition that the normal state is monitored, the offshore wind generating set, the tidal current energy generating set and the wave energy generating set generate electricity normally to transmit electric energy to a power grid; the field level controller controls the power generation capacity and charges the energy storage system;
2) when a power grid fault is monitored, a tidal current energy generator set, a wave energy generator set and an energy storage system supply power: the power supply for the low-temperature cooling system ensures the normal working state of a cooling medium of the system, and can maintain the yaw system of the offshore wind turbine generator set to carry out yaw leeward control; the energy balance of the network control system is controlled by the field level.
Further, the step 2) further comprises an offshore emergency survival system, and electric energy is supplied through the tidal current energy generating set, the wave energy generating set and the energy storage system.
Further, in the step 2), the grid fault includes: and (3) interrupting the electric energy of the regional power grid and/or stopping the operation of the offshore wind generating set.
After adopting such design, the invention has at least the following advantages:
the offshore power generation system of the invention uses ocean power generation as standby and secondary energy of a large-scale wind generating set, and forms a composite power generation system with the wind generating set, thereby not only improving the power generation capacity, but also providing energy for a low-temperature cooling system, yaw leeward and related emergency electricity of the wind generating set in emergency, namely, in emergency such as power grid failure, the electric energy of the power grid is interrupted, and when the wind generating set stops working, the power supply is carried out through the tidal current energy generating set, the wave energy generating set and the energy storage system, so that the offshore power generation system can ensure that:
1) under the emergency conditions of power grid failure and the like, the normal and stable operation of a low-temperature cooling system is ensured;
2) when a power grid fault occurs and severe natural conditions are met, the ocean energy system can be used for supplying power to carry out work such as yawing.
3) The offshore wind generating set is provided with aviation and navigation indicator lamps, so that the offshore wind generating set can be seen from a distance, emergency survival equipment can be arranged in a power generation system, and people in danger on the sea can go to a machine position to avoid danger and communicate to call for help.
Drawings
The foregoing is only an overview of the technical solutions of the present invention, and in order to make the technical solutions of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and the detailed description.
Fig. 1 is a schematic connection diagram of each system of the offshore wind turbine system according to the present invention.
Detailed Description
Exemplary embodiments of the present invention will be described in more detail below with reference to the accompanying drawings. While exemplary embodiments of the invention are shown in the drawings, it should be understood that the invention can be embodied in various forms and should not be limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the invention to those skilled in the art.
As used herein, the singular forms "a", "an", "the" and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise. It will be further understood that the terms "comprises" and/or "comprising," when used in this specification, specify the presence of stated features, integers, steps, operations, elements, and/or components, but do not preclude the presence or addition of one or more other features, integers, steps, operations, elements, components, and/or groups thereof.
It will be understood by those skilled in the art that, unless otherwise defined, all terms (including technical and scientific terms) used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. It will be further understood that terms, such as those defined in commonly used dictionaries, should be interpreted as having a meaning that is consistent with their meaning in the context of the prior art and will not be interpreted in an idealized or overly formal sense unless expressly so defined herein.
The invention provides an embodiment of an offshore wind power generation system taking ocean energy as an auxiliary power supply, which comprises an offshore wind power generation set as shown in figure 1, wherein the offshore wind power generation set comprises a wind power generator 1, an electric transmission converter 2 connected with the wind power generator 1, a yawing system 4 and a low-temperature cooling system 3, the wind power generator 1 is connected with a regional power grid 100 through the electric transmission converter 2, and the offshore wind power generation system also comprises a tidal current energy generator set 10, a wave energy generator set 11, an energy storage system 12, a field level control network 6 and a field level controller, wherein:
the tidal current energy generator set 10 and the wave energy generator set 11 are both connected with the field level controller; the wind driven generator 1 is connected with a field level controller through a field level control network 6; the field level controller is connected with the regional power grid 100 and the energy storage system 12;
when the power grid is monitored to be normal, the wind driven generator 1, the tidal current energy generator set 10 and the wave energy generator set 11 transmit electric energy to a regional power grid, and the field level controller controls the power generation capacity and charges the energy storage system;
when a power grid fault is monitored, the tidal current energy generator set 10, the wave energy generator set 11 and the energy storage system 12 supply power, including supplying power to the low-temperature cooling system 3 and the yaw system 4, and the energy balance is controlled through the field level control network 6.
When the offshore wind power generation system is used, the wind driven generator 1, the tidal current energy generator set 10 and the wave energy generator set 11 normally generate power under a normal state, and the power is transmitted to a power grid. At this time, the power generation capacity is controlled by the field level controller and the energy storage system 12 is charged, and at this time, the electric energy power is P1+ P10+ P11, namely P3+ P4+ P5+ P12+ P100. In an emergency, the power grid 100 is interrupted, the wind driven generator 1 stops working at the moment, and the ocean tidal current energy power generation system 10, the ocean wave energy power generation system 11 and the energy storage system 12 supply power to ensure the normal working state of the cooling medium of the low-temperature cooling system; when severe natural conditions are met, a marine energy system (a marine tidal current energy power generation system 10 and a marine wave energy power generation system 11) can be used for supplying power to perform yaw work and the like, and enough energy can be provided for yaw leeward of the unit so as to ensure the maximum survival capability of the unit under typhoon; and if severe natural conditions such as typhoon and the like occur or difficult personnel need to use the emergency survival device, the emergency survival device can be supplied with power. The energy balance of the system is controlled by the field level control network 6, i.e. P10+ P11+ P12 is P3+ P4+ P5.
Preferably, the system further comprises an offshore emergency survival system 5 connected with the energy storage system 12 and used for emergency danger avoidance, communication and/or call for help, wherein the offshore emergency survival system 5 is generally arranged at a machine position of the offshore wind generating set. The energy storage system supplies power to the marine emergency survival system, so that people in danger on the sea can go to a machine position to avoid danger and communicate to call for help.
In order to ensure that the offshore emergency system can be sufficiently powered, the offshore emergency survival system 5 is also connected with a tidal current energy generating set 10 and a wave energy generating set 11 through a field controller 13; the offshore emergency survival system 5 supplies power to carry out emergency danger avoidance, communication and/or call for help through the energy storage system 12, the tidal current energy generator set 10 and the wave energy generator set 11.
Furthermore, the offshore wind generating set is provided with aviation and navigation indicator lights, so that people in danger at sea can be seen from a distance, can be guided to a machine position to avoid danger and can call for help through communication.
Further, the energy storage system 12 may be a battery, a super capacitor, or a fuel cell stack.
Further, the low-temperature cooling system 3 is also connected with the electric transmission converter 2 to refrigerate the electric transmission converter.
In another aspect, there is provided a method of controlling the above-described offshore wind turbine system using ocean energy as an auxiliary power supply, including:
1) under the condition that the normal state is monitored, the offshore wind generating set, the tidal current energy generating set 10 and the wave energy generating set 11 generate electricity normally and transmit electric energy to a power grid; the field level controller controls the power generation capacity and charges the energy storage system 12;
2) when a power grid fault is monitored, the tidal current energy generator set 10, the wave energy generator set 11 and the energy storage system 12 supply power: the power supply for the low-temperature cooling system 3 ensures the normal working state of the cooling medium of the system, and can maintain the yaw system 4 of the offshore wind turbine generator set to carry out yaw leeward control; the energy balance of the system is now controlled by the field level control network 6.
Further, in the step 2), an offshore emergency survival system 5 is further included, and electric energy is supplied through a tidal current energy generating set 10, a wave energy generating set 11 and an energy storage system 12.
Further, in step 2), the grid fault includes: the regional power grid 100 is powered down and/or the offshore wind turbine generator system is shut down.
The invention relates to an offshore wind power generation system and a control method, which take ocean energy (tidal current energy and wave energy) as a standby and auxiliary power supply, can improve the power generation capacity in a normal state, and provide energy for a low-temperature cooling system, yaw leeward and related emergency electricity of a wind power generator set in an emergency situation, namely, the electric energy of a power grid is interrupted in the emergency situation of power grid failure and the like, and the wind power generator set stops working, and the power is supplied through the tidal current energy generator set, the wave energy generator set and an energy storage system, so that the offshore power generation system can ensure that:
1) under the emergency conditions of power grid failure and the like, the normal and stable operation of the low-temperature cooling system is ensured, the large loss caused by the stop of the low-temperature cooling system can be avoided, and the later maintenance is reduced;
2) when a power grid fault occurs and severe natural conditions such as typhoon occur, and under emergency conditions such as power failure and typhoon, the ocean energy system can be used for providing enough energy to work such as yawing leeward and the like, so that the maximum survival capability of the unit under the typhoon is ensured.
3) The offshore wind generating set is provided with aviation and navigation indicator lamps, so that the offshore wind generating set can be seen from a distance, emergency survival equipment can be arranged in a power generation system, and people in danger on the sea can go to a machine position to avoid danger and communicate to call for help.
The invention mainly aims at the problems of the offshore large wind generating set in emergency, which comprises that enough energy for the operation of a low-temperature cooling system, the yaw leeward and the like is difficult to provide in emergency, while a single energy storage system is a consumable energy and can not continuously provide energy The energy is provided for yaw leeward and relevant emergencies, the safety of the system is guaranteed, and the survival capability of the offshore large-scale wind generating set in emergency is improved.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the present invention in any way, and it will be apparent to those skilled in the art that the above description of the present invention can be applied to various modifications, equivalent variations or modifications without departing from the spirit and scope of the present invention.
Claims (10)
1. The utility model provides an use offshore type wind power generation system of ocean energy as auxiliary power supply, includes offshore wind generating set, offshore wind generating set includes aerogenerator and the electric drive converter, driftage system and the cryogenic cooling system who is connected with aerogenerator, aerogenerator passes through the electric drive converter and is connected with regional electric wire netting, its characterized in that still includes trend energy generating set, wave energy generating set, energy storage system, field level control network, field level controller, wherein:
the tidal current energy generator set and the wave energy generator set are both connected with the field level controller; the wind driven generator is connected with the field level controller through a field level control network; the field level controller is connected with a regional power grid and an energy storage system;
when the power grid is monitored to be normal, the wind driven generator, the tidal current energy generator set and the wave energy generator set transmit electric energy to a regional power grid, and the field level controller controls power generation capacity and charges an energy storage system;
when the power grid fault is monitored, the tidal current energy generator set, the wave energy generator set and the energy storage system supply power, the low-temperature cooling system and the yaw system are powered on, and energy balance is controlled through the field level control network.
2. The offshore wind turbine system of claim 1, further comprising an offshore emergency survival system connected to the energy storage system for emergency risk avoidance, communication and/or call for help.
3. The offshore wind power generation system using ocean energy as an auxiliary power supply according to claim 2, wherein the offshore emergency survival system is further connected with a tidal current energy generating set and a wave energy generating set through a field level controller; the offshore emergency survival system supplies power to carry out emergency danger avoidance, communication and/or call for help through the energy storage system, the tidal current energy generator set and the wave energy generator set.
4. Offshore wind energy generation system with ocean energy as auxiliary power supply according to claim 2 or 3, characterized in that the offshore emergency survival system is installed at the stand of the offshore wind energy generation unit.
5. The offshore wind turbine system using ocean energy as an auxiliary power supply according to any one of claims 1 to 4, wherein the offshore wind turbine unit is provided with an aviation and navigation indicator light.
6. The offshore wind turbine system using ocean energy as an auxiliary power supply according to any one of claims 1 to 5, wherein the energy storage system is a battery, a super capacitor or a fuel cell stack.
7. Offshore wind energy generation system according to any of the claims 1 to 6, wherein said cryogenic cooling system is further connected to an electric drive converter.
8. A method for controlling an offshore wind turbine system using ocean energy as an auxiliary power supply, comprising:
1) under the condition that the normal state is monitored, the offshore wind generating set, the tidal current energy generating set and the wave energy generating set generate electricity normally to transmit electric energy to a power grid; the field level controller controls the power generation capacity and charges the energy storage system;
2) when a power grid fault is monitored, a tidal current energy generator set, a wave energy generator set and an energy storage system supply power: the power supply for the low-temperature cooling system ensures the normal working state of a cooling medium of the system, and can maintain the yaw system of the offshore wind turbine generator set to carry out yaw leeward control; the energy balance of the network control system is controlled by the field level.
9. The method for controlling an offshore wind turbine system using ocean energy as an auxiliary power supply according to claim 8, wherein the step 2) further comprises an offshore emergency survival system for supplying electric energy through a tidal current energy generating set, a wave energy generating set and an energy storage system.
10. The method for controlling an offshore wind turbine system using ocean energy as an auxiliary power source according to claim 8 or 9, wherein the step 2) comprises the following steps: and (3) interrupting the electric energy of the regional power grid and/or stopping the operation of the offshore wind generating set.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010211097.6A CN111262274A (en) | 2020-03-24 | 2020-03-24 | Offshore wind power generation system using ocean energy as auxiliary power supply and control method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010211097.6A CN111262274A (en) | 2020-03-24 | 2020-03-24 | Offshore wind power generation system using ocean energy as auxiliary power supply and control method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111262274A true CN111262274A (en) | 2020-06-09 |
Family
ID=70951580
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010211097.6A Pending CN111262274A (en) | 2020-03-24 | 2020-03-24 | Offshore wind power generation system using ocean energy as auxiliary power supply and control method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111262274A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113969866A (en) * | 2021-11-11 | 2022-01-25 | 上海峙狄机械设备有限公司 | Fan unit and control method thereof |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20120041814A (en) * | 2010-08-27 | 2012-05-03 | 한국해양대학교 산학협력단 | Hybrid power generation system for floating facilities at sea |
| CN202914251U (en) * | 2012-11-12 | 2013-05-01 | 国电联合动力技术有限公司 | Auxiliary power generating device of large-scale wind turbine generator |
| CN208015451U (en) * | 2018-02-05 | 2018-10-26 | 明阳智慧能源集团股份公司 | A kind of Anti-Typhoon backup power system of offshore wind turbine |
| CN109209775A (en) * | 2018-09-30 | 2019-01-15 | 中国海洋大学 | A kind of wind energy and wave energy composite generating set and its electricity-generating method |
| CN211456712U (en) * | 2020-03-24 | 2020-09-08 | 国电联合动力技术有限公司 | Offshore wind power generation system using ocean energy as auxiliary power supply |
-
2020
- 2020-03-24 CN CN202010211097.6A patent/CN111262274A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20120041814A (en) * | 2010-08-27 | 2012-05-03 | 한국해양대학교 산학협력단 | Hybrid power generation system for floating facilities at sea |
| CN202914251U (en) * | 2012-11-12 | 2013-05-01 | 国电联合动力技术有限公司 | Auxiliary power generating device of large-scale wind turbine generator |
| CN208015451U (en) * | 2018-02-05 | 2018-10-26 | 明阳智慧能源集团股份公司 | A kind of Anti-Typhoon backup power system of offshore wind turbine |
| CN109209775A (en) * | 2018-09-30 | 2019-01-15 | 中国海洋大学 | A kind of wind energy and wave energy composite generating set and its electricity-generating method |
| CN211456712U (en) * | 2020-03-24 | 2020-09-08 | 国电联合动力技术有限公司 | Offshore wind power generation system using ocean energy as auxiliary power supply |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113969866A (en) * | 2021-11-11 | 2022-01-25 | 上海峙狄机械设备有限公司 | Fan unit and control method thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102496966B (en) | Wind power station grid-connected operation power optimization control substation | |
| WO2017107246A1 (en) | Generated power control system and control method for intelligent micro-grid with medium energy storage | |
| WO2021196406A1 (en) | Power transmission system and power supply apparatus thereof | |
| CN102219318B (en) | Apparatus and method of independent wind power driven seawater desalination | |
| CN103427471B (en) | A kind of nuclear power station is met an urgent need energy-storage system islet operation method and system | |
| CN208015451U (en) | A kind of Anti-Typhoon backup power system of offshore wind turbine | |
| CN105978008A (en) | Flow battery energy storage system with wind field black-start function and work method thereof | |
| CN103427470B (en) | Method for supplying emergency power source by nuclear power plant and movable type storage battery energy storage system | |
| CN105016428B (en) | Wind power sea water desalination integrated system and method for isolated grid | |
| CN108173267A (en) | Marine wind electric field and island microgrid joint-monitoring system | |
| CN103532224B (en) | A kind of UPS collocation method of marine wind electric field | |
| CN106208153B (en) | A kind of power generation station-service subsidiary engine system tune power source system | |
| CN116845850A (en) | New energy full-direct-current transmission system control method | |
| CN211456712U (en) | Offshore wind power generation system using ocean energy as auxiliary power supply | |
| CN111262274A (en) | Offshore wind power generation system using ocean energy as auxiliary power supply and control method thereof | |
| CN113300415A (en) | Auxiliary frequency modulation system based on power plant new energy power generation technology | |
| CN111614124B (en) | Novel power supply method for large island operation mode of offshore wind farm | |
| CN219329622U (en) | Frequency modulation peak shaving system of thermal power plant fused salt heat storage combined new energy power station | |
| CN201758280U (en) | Novel type energy networking system | |
| CN116317162A (en) | Underwater energy platform power supply system and control method thereof | |
| CN113685315B (en) | Energy double-control management method and system suitable for wind generating set | |
| CN211908467U (en) | Uninterrupted power generation hydrogen fuel cell power generation system | |
| CN214660613U (en) | Power supply control system of wind generating set and wind generating set | |
| CN210016289U (en) | Redundant design energy storage system of wind-powered electricity generation field backup power | |
| CN114172199A (en) | Method for realizing frequency modulation and virtual inertia response by using energy storage wind power integrated unit |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |