CN105899806B - Sea-borne wind power generation apparatus and its oil-immersed transformer used - Google Patents

Sea-borne wind power generation apparatus and its oil-immersed transformer used Download PDF

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Publication number
CN105899806B
CN105899806B CN201380078259.1A CN201380078259A CN105899806B CN 105899806 B CN105899806 B CN 105899806B CN 201380078259 A CN201380078259 A CN 201380078259A CN 105899806 B CN105899806 B CN 105899806B
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CN
China
Prior art keywords
sea
power generation
wind power
generation apparatus
transformer
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.)
Expired - Fee Related
Application number
CN201380078259.1A
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Chinese (zh)
Other versions
CN105899806A (en
Inventor
真岛康
白畑年树
小野淳治
椎名洋悦
久保田圭亮
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Hitachi Industrial Equipment Systems Co Ltd
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Hitachi Industrial Equipment Systems Co Ltd
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Publication of CN105899806A publication Critical patent/CN105899806A/en
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Publication of CN105899806B publication Critical patent/CN105899806B/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F03MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
    • F03DWIND MOTORS
    • F03D80/00Details, components or accessories not provided for in groups F03D1/00 - F03D17/00
    • F03D80/80Arrangement of components within nacelles or towers
    • F03D80/82Arrangement of components within nacelles or towers of electrical components
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F03MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
    • F03DWIND MOTORS
    • F03D13/00Assembly, mounting or commissioning of wind motors; Arrangements specially adapted for transporting wind motor components
    • F03D13/20Arrangements for mounting or supporting wind motors; Masts or towers for wind motors
    • F03D13/25Arrangements for mounting or supporting wind motors; Masts or towers for wind motors specially adapted for offshore installation
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F05INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • F05BINDEXING SCHEME RELATING TO WIND, SPRING, WEIGHT, INERTIA OR LIKE MOTORS, TO MACHINES OR ENGINES FOR LIQUIDS COVERED BY SUBCLASSES F03B, F03D AND F03G
    • F05B2240/00Components
    • F05B2240/90Mounting on supporting structures or systems
    • F05B2240/95Mounting on supporting structures or systems offshore
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00Energy generation through renewable energy sources
    • Y02E10/70Wind energy
    • Y02E10/72Wind turbines with rotation axis in wind direction
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00Energy generation through renewable energy sources
    • Y02E10/70Wind energy
    • Y02E10/727Offshore wind turbines

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  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Sustainable Development (AREA)
  • Sustainable Energy (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Wind Motors (AREA)

Abstract

At sea in wind power generation plant, for safety and inhibits loss when transmitting electric power and require for transformer to be arranged in wind power generation plant at sea.At this time, it is desirable that the raising of the cooling of oil-immersed transformer used in sea-borne wind power generation apparatus.In order to solve the project, the present invention provides a kind of sea-borne wind power generation apparatus, its use by cored, coil is stored in cabinet and be used to insulate and cool down the iron core and coil insulating oil oil-immersed transformer setting at sea below the sea in wind power generation plant, and the structure by cabinet dipping in a liquid.As a result, by improving the cooling performance of oil-immersed transformer used in sea-borne wind power generation apparatus, the miniaturization of oil-immersed transformer and sea-borne wind power generation apparatus can be realized.

Description

Sea-borne wind power generation apparatus and its oil-immersed transformer used
Technical field
The present invention relates to the raisings of the cooling performance of oil-immersed transformer used in sea-borne wind power generation apparatus.
Background technique
Using as the wind-power electricity generation of natural energy resources, functionization is able to as the application method beneficial to earth environment.It should Wind-power electricity generation has in the setting of the lands such as mountain forest and is at sea arranged.In particular, not to the soil for being suitable for being arranged windmill Limitation, compared with land wind speed faster and the disorder of wind also less Oversea wind power generation is expected.
In addition, in the electric power that conveying is generated electricity with sea-borne wind power generation apparatus, when for safety and inhibiting transmission of electricity Loss purpose, it is desirable that boost to the obtained voltage of power generation to convey, thus, it is desirable that at sea in wind power generation plant Transformer is set.On the other hand, at sea in the tower of wind power generation plant when setting transformer, heat source increases, in tower Temperature rises.Because being arranged in closed tower, cooling condition when outdoor setting compared with deteriorate, thus cooling performance Raising become requirement.Therefore, it is necessary to carry out the pressure using fan etc. to be sufficiently carried out cooling down for transformer It is cooling.
On the other hand, Japanese Unexamined Patent Publication 2011- can be enumerated about the cooling means of the heat source of sea-borne wind power generation apparatus Technology disclosed in No. 89468 bulletins (patent document 1).In patent document 1, describe by absorbing water secondary cell configuration The lower section of line makes the technology discharged with the heat of the secondary cell of charge and discharge into water.
Existing technical literature
Patent document
Patent document 1:Japanese Unexamined Patent Publication 2011-89468 bulletin
Summary of the invention
Subject to be solved by the invention
It in patent document 1, describes by configuring heat source in the lower section of water line, so that its heat be made to discharge into water Technology, but the record not improved about the distinctive cooling performance of oil-immersed transformer, it is desirable that improve Oversea wind power generation dress The cooling performance of oil-immersed transformer used in setting.
A technical solution to solve project
Using will store cored, coil in cabinet and be used to insulate and cool down the insulating oil of the iron core and coil Oil-immersed transformer is arranged below the sea in wind power generation plant at sea, and makes the structure of cabinet dipping in a liquid.
Invention effect
By improving the cooling performance of oil-immersed transformer used in sea-borne wind power generation apparatus, oil immersed type can be realized The miniaturization of transformer and sea-borne wind power generation apparatus.
Detailed description of the invention
Fig. 1 is the structural outline figure of sea-borne wind power generation apparatus
Fig. 2 is the whole synoptic diagram of the sea-borne wind power generation apparatus of embodiment 1
Fig. 3 is the detailed maps of the sea-borne wind power generation apparatus of embodiment 1
Fig. 4 is the sectional view and side view of the sea-borne wind power generation apparatus of embodiment 1
Fig. 5 is the schematic diagram of the sea-borne wind power generation apparatus of embodiment 2
Fig. 6 is the schematic diagram of the sea-borne wind power generation apparatus of embodiment 3
Fig. 7 is the schematic diagram of the sea-borne wind power generation apparatus of embodiment 4
Specific embodiment
Hereinafter, with Detailed description of the invention embodiment.
Embodiment 1
Fig. 1 is the structural outline figure of sea-borne wind power generation apparatus.In Fig. 1,1 is sea-borne wind power generation apparatus entirety, and 2 be leaf Piece, 3 be cabin, and 4 be generator, and 5 be tower, and 6 be sea, and 7 be transformer, and 8 be power transmission cable.
Tower 5 is hollow structural body, is equipped with cabin 3 on the top of tower 5.Blade 2 and cabin 3 link, blade 2 because Wind-force and when rotating, generate AC power by configuring the generator 4 in cabin 3, will by configuring the transformer 7 in tower 5 Electric power boosting, and conveyed with power transmission cable 8.The reasons why being boosted with transformer is because by making voltage raising can be by electric current It is suppressed to lower, safely transmits electricity so being converted to low current, and in order to inhibit loss when transmission of electricity by low current value.
Fig. 2 indicates the whole synoptic diagram of the sea-borne wind power generation apparatus of the present embodiment.In addition, Fig. 3 indicates the present embodiment The detailed maps of sea-borne wind power generation apparatus.In Fig. 2,9 be seawater, and the tower of wind power generation plant at sea is arranged in transformer 7 Below sea in cylinder 5.In addition, 7-2 is coil in Fig. 3,7-3 is iron core, is full of for the iron core and coil to be accommodated in Transformer 7 in the cabinet 7-1 of insulating oil (not shown) for insulating and cooling down, the knot that is immersed in liquid 10 Structure.That is, using the liquid storage portion for the accumulation liquid that setting is constituted using the wall surface of tower in tower 5, in the liquid storage Portion's setting has the transformer of cabinet, by the structure of cabinet dipping in a liquid.
Fig. 4 shows the sectional view 4 (A) and its side view 4 (B) when the transformer portion of Fig. 3 from side surface upper part.Figure In 4,7-4 is insulating oil, and 7-5 is radiator, and 7-6 is pasta line, other numbers have with it is attached shown in the figure that has been described above The identical function of the structure of the same symbol is added, and the description is omitted.
In Fig. 4 (A), it is configured to improve between the seawater 9 of the periphery of tower and impregnating cabinet 7-1 with liquid 10 Thermal conductivity improves cooling effect.Wherein, liquid 10 is the liquid of transmitting heat, such as can be pure water.
In addition, radiator 7-5 can be connected to via the upper opening and lower openings of cabinet 7-1 in cabinet in Fig. 4 (B) Ground connection, the intracorporal insulating oil 7-4 of case are recycled in radiator, are radiated by the insulating oil after the intracorporal coil 7-2 heating of case Device is cooling and returns to cabinet, so as to further increase cooling performance.
In this way, the cooling device miniaturization of transformer itself can be made by the cooling performance for improving transformer.In addition, not The equipment for keeping sea-borne wind power generation apparatus cooling is needed, can be realized the miniaturization of sea-borne wind power generation apparatus itself.
In addition, by making liquid 10 be dipped into the primary heat source i.e. height of coil 7-2 of transformer 7, it is easier to Absorption Line The heat of circle, it is not required that cabinet is all full of by liquid 10, for example, pasta line 7-6 or less, coil by making insulating oil It more than the height of 7-2 immerses in liquid 10, cooling effect can be obtained.For example, submerging hachure shown in Fig. 4 (B) with liquid 10 The part shown.In this way, being configured to using the cabinet that oil-immersed transformer is arranged originally, with the week of liquid-immersed cabinet It encloses, so that cooling effect is improved, so having the effect of without applying waterproof processing in a liquid and newly to impregnate.In addition, By further implementing the antirusts countermeasure such as coating, can be used for a long time.
In this way, the present embodiment is realized the such oil immersion in a liquid of the cabinet being arranged as oil-immersed transformer dipping The raising of the distinctive cooling performance of formula transformer.
As mentioned above, according to the present embodiment, by improving oil immersed type transformation used in sea-borne wind power generation apparatus The cooling performance of device can be realized the miniaturization of the cooling equipment of oil-immersed transformer itself.Furthermore, it is not necessary that for making sea The cooling equipment of wind power generation plant, can be realized the miniaturization of sea-borne wind power generation apparatus itself.It is further possible to solve be It is cooling and in the case where using fan, imported from fan containing moisture, salinity because such environment is at sea arranged Wind, so transformer is easy to the problem of getting rusty.
【Embodiment 2】
Fig. 5 indicates the schematic diagram of the sea-borne wind power generation apparatus of the present embodiment.The present embodiment is removal oil-immersed transformer Cabinet, using sea-borne wind power generation apparatus tower 5 wall surface replace cabinet without box structure.
It is the structure for being full of the transformer being made of coil 7-2, iron core 7-3 by insulating oil 11, by filling in Fig. 5 Expire and configured transformer inside the tower of insulating oil, without cabinet.That is, utilizing the tower 5 of sea-borne wind power generation apparatus Wall surface as keep insulating oil cabinet.
Cabinet is not needed as a result, increases space to can support large-scale transformer, additionally it is possible to reduce cost yet. Furthermore it is possible to directly make insulating oil 11 cooling from the wall surface of tower 5, cooling effect is further increased.Furthermore it is possible to efficiently use Limited space in tower.
【Embodiment 3】
Fig. 6 indicates the schematic diagram of the sea-borne wind power generation apparatus of the present embodiment.This embodiment is characterized in that by transformer Configure the lowest level portion of the tower of wind power generation plant at sea.
As shown in fig. 6, by the tower lowest level portion that wind power generation plant at sea is arranged, sea-borne wind power generation apparatus Center of gravity reduces, the increased effect of stability with sea-borne wind power generation apparatus.
In addition, present embodiment illustrates except embodiment 2 is without body structure, the example in lowest level portion is set, but It is to be not limited to this, for example, can also apply to make the case where impregnating in a liquid around the cabinet of embodiment 1.
【Embodiment 4】
Fig. 7 indicates the schematic diagram of the sea-borne wind power generation apparatus of the present embodiment.The present embodiment be embodiment 2 content it Outside, the structure for further increasing the thickness of coil.
In Fig. 7,7-21 is coil, and 7-31 is iron core, in order to efficiently use the space for not needing cabinet and increasing, can be adopted With the increased structure of lateral dimension i.e. thickness for making coil 7-21.Having as a result, can be in identical sea-borne wind power generation apparatus The effect of the transformer of interior setting large capacity.
Embodiment is illustrated above, but the present invention is not limited to above-described embodiments, including various modifications example.Example Such as, in the present embodiment, the sea-borne wind power generation apparatus of float type is illustrated, but can also apply to the sea of bottom-sitting type Upper wind power generation plant.In addition, being not limited to all structures that must have explanation.Furthermore it is possible to by the knot of some embodiment A part of structure is replaced into the structure of other embodiments, and the knot of other embodiments can be also added in the structure of some embodiment Structure.In addition, a part of the structure for each embodiment, can add, deletes, replace other structures.
Symbol description
1 sea-borne wind power generation apparatus
5 towers
7 transformers
7-1 cabinet
7-2 coil
7-3 iron core
7-4,11 insulating oils
10 liquid.

Claims (4)

1. a kind of sea-borne wind power generation apparatus comprising tower, the undertaking that is mounted in the tower as hollow structural body Wind-force and the blade rotated and the generator for being converted to electric power by the blade, the feature of the sea-borne wind power generation apparatus It is, including:
The transformer to boost to the voltage of the electric power obtained from the generator;With
The power transmission cable of electric power after conveying the boosting,
The transformer has iron core and coil, and the iron core and coil are accommodated in the insulating oil for being used for insulating and cool down and are full of Cabinet in,
The transformer is located at below sea when the sea-borne wind power generation apparatus is arranged at sea, and
The setting place of the transformer is that liquid storage in the tower, constituting using the wall surface of the tower is arranged in Portion, the cabinet, which is immersed in, to be accumulated in the liquid storage portion in liquid.
2. sea-borne wind power generation apparatus as described in claim 1, it is characterised in that:
The transformer has the radiator for being used to cool down the insulating oil that can communicatively connect with the cabinet.
3. a kind of sea-borne wind power generation apparatus comprising tower, the undertaking that is mounted in the tower as hollow structural body Wind-force and the blade rotated and the generator for being converted to electric power by the blade, the feature of the sea-borne wind power generation apparatus It is, including:
The transformer to boost to the voltage of the electric power obtained from the generator;With
The power transmission cable of electric power after conveying the boosting,
The transformer is located at below sea when the sea-borne wind power generation apparatus is arranged at sea, and
The transformer has iron core and coil, constitutes holding for insulating and cooling down the iron core using the wall surface of the tower With the cabinet of the insulating oil of coil.
4. sea-borne wind power generation apparatus as described in claim 1, it is characterised in that:
The lowest level portion inside the tower is arranged in the transformer.
CN201380078259.1A 2013-09-20 2013-09-20 Sea-borne wind power generation apparatus and its oil-immersed transformer used Expired - Fee Related CN105899806B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/JP2013/075427 WO2015040730A1 (en) 2013-09-20 2013-09-20 Offshore wind power generator device and oil-immersed transformer used in same

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Publication Number Publication Date
CN105899806A CN105899806A (en) 2016-08-24
CN105899806B true CN105899806B (en) 2018-11-27

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JP (1) JP6081605B2 (en)
CN (1) CN105899806B (en)
TW (1) TWI598898B (en)
WO (1) WO2015040730A1 (en)

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114961395A (en) * 2021-02-20 2022-08-30 南京南瑞继保工程技术有限公司 Offshore wind turbine integration device with overhead line iron tower

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EP1082736B1 (en) * 1998-06-02 2004-04-07 ABB Technology AG Transformer
CN101006532A (en) * 2004-06-18 2007-07-25 西门子公司 System for cooling components of wind power stations
CN101128892A (en) * 2004-12-27 2008-02-20 西门子公司 Electrical component with a cooling circuit for underwater operation
CN201061095Y (en) * 2007-07-27 2008-05-14 沈阳昊诚电气有限公司 Integration type transforming plant dedicated for wind power generation
CN102269128A (en) * 2010-06-07 2011-12-07 上海电气风电设备有限公司 Configuration and layout scheme of tower bottom in-built transformation system device of offshore wind generating set

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Publication number Priority date Publication date Assignee Title
EP1082736B1 (en) * 1998-06-02 2004-04-07 ABB Technology AG Transformer
DE10127276A1 (en) * 2001-05-28 2003-01-23 Siemens Ag Underwater transformer with coolant-liquid filled outer tank enclosing main tank, has outer tank partly filled with gas to form gas space for electric terminals
CN101006532A (en) * 2004-06-18 2007-07-25 西门子公司 System for cooling components of wind power stations
CN101128892A (en) * 2004-12-27 2008-02-20 西门子公司 Electrical component with a cooling circuit for underwater operation
CN201061095Y (en) * 2007-07-27 2008-05-14 沈阳昊诚电气有限公司 Integration type transforming plant dedicated for wind power generation
CN102269128A (en) * 2010-06-07 2011-12-07 上海电气风电设备有限公司 Configuration and layout scheme of tower bottom in-built transformation system device of offshore wind generating set

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Publication number Publication date
TWI598898B (en) 2017-09-11
WO2015040730A1 (en) 2015-03-26
TW201517080A (en) 2015-05-01
JP6081605B2 (en) 2017-02-15
JPWO2015040730A1 (en) 2017-03-02
CN105899806A (en) 2016-08-24

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