CN102392796A - Offshore suspension type wind generating set based on active balance control - Google Patents

Offshore suspension type wind generating set based on active balance control Download PDF

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Publication number
CN102392796A
CN102392796A CN2011103074446A CN201110307444A CN102392796A CN 102392796 A CN102392796 A CN 102392796A CN 2011103074446 A CN2011103074446 A CN 2011103074446A CN 201110307444 A CN201110307444 A CN 201110307444A CN 102392796 A CN102392796 A CN 102392796A
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Prior art keywords
hoisting mechanism
steel cable
floated
balance
oblique rollering
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CN2011103074446A
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CN102392796B (en
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汤奕
王�琦
高丙团
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Nanjing Dongbo Intelligent Energy Research Institute Co., Ltd.
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SUZHOU SMART ELECTRIC POWER TECHNOLOGY Co Ltd
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING 
    • B63B43/00—Improving safety of vessels, e.g. damage control, not otherwise provided for
    • B63B43/02—Improving safety of vessels, e.g. damage control, not otherwise provided for reducing risk of capsizing or sinking
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING 
    • B63B21/00—Tying-up; Shifting, towing, or pushing equipment; Anchoring
    • B63B21/16—Tying-up; Shifting, towing, or pushing equipment; Anchoring using winches
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING 
    • B63B21/00—Tying-up; Shifting, towing, or pushing equipment; Anchoring
    • B63B21/50—Anchoring arrangements or methods for special vessels, e.g. for floating drilling platforms or dredgers
    • B63B21/502—Anchoring arrangements or methods for special vessels, e.g. for floating drilling platforms or dredgers by means of tension legs
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING 
    • B63B39/00—Equipment to decrease pitch, roll, or like unwanted vessel movements; Apparatus for indicating vessel attitude
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING 
    • B63B39/00—Equipment to decrease pitch, roll, or like unwanted vessel movements; Apparatus for indicating vessel attitude
    • B63B39/14—Equipment to decrease pitch, roll, or like unwanted vessel movements; Apparatus for indicating vessel attitude for indicating inclination or duration of roll
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING 
    • B63B35/00—Vessels or similar floating structures specially adapted for specific purposes and not otherwise provided for
    • B63B35/44—Floating buildings, stores, drilling platforms, or workshops, e.g. carrying water-oil separating devices
    • B63B2035/4433—Floating structures carrying electric power plants
    • B63B2035/446—Floating structures carrying electric power plants for converting wind energy into electric energy

Abstract

The invention discloses an offshore suspension type wind generating set based on active balance control. A hoisting mechanism (4), a balance sensor (6) and a real-time balance control module are arranged on a suspension type base (3); the hoisting mechanism (4) is symmetrically arranged on the suspension type base (3); a stay steel cable (5) is connected with the suspension type base (3) through the hoisting mechanism (4); the balance sensor (6) sends out an inclination angle signal to control the hoisting mechanism (4) to retract or stretch the stay steel cable (5); and when the unit inclines towards a direction, the balance sensor (6) senses the change, and the real-time balance control module receives the signal of the balance sensor (6) and controls the hoisting mechanism (4) in the corresponding direction to force a fan (1) to keep balance by retracting or stretching the steel cable, thereby effectively preventing the wind generating set from inclining or even tipping over due to the relatively high wind speed or huge sea wave, ensuring the safety of the wind generating set and improving the wind power generation efficiency.

Description

A kind of marine floated wind power generating set based on active balancing control
Technical field
The present invention relates to the floated wind power generating set in a kind of sea, particularly a kind of marine floated wind power generating set based on active balancing control.
Background technique
Along with China's rapid economy development, energy environment contradiction highlights day by day.Wind energy is a clean energy resource with fastest developing speed in the renewable energy sources, also is the generation mode that has large-scale development and commercialized development prospect most.2009, the electric motor power of China blower fan accumulative total reached 2,580 ten thousand KW, realized that electric motor power in continuous the 4th year is doubled.China carries out careful investigation to the offshore wind farm DEVELOPMENT PROSPECT on the very long shore line.2010, first batch of the offshore wind farm project---Donghai Bridge in Shanghai 100,000 KW accomplished assembling, and 34 sharp 3MW blower fans of China have been installed.According to maritime provinces establishment and planning, the electric motor power of offshore wind farm is estimated and will be reached 3,280 ten thousand KW at the year two thousand twenty.
Compare with general offshore wind farm unit, floated offshore wind farm unit is installed simple, is convenient to migration, and manufacturing and installation cost have only about 1/3rd of marine tower-type wind-powered electricity generation unit.Floated offshore wind farm unit ties up on the concrete pier of seabed through the oblique rollering steel cable.In the existing design, wind speed hour, these wind-powered electricity generation units can keep balance; But it is much bigger that the wind scale of sea wind is compared the land wind scale, in case it is excessive or wave is excessive to run into wind speed, these wind-powered electricity generation unit angles of inclination can be bigger, and the whole accident of tumbling even ruining machine very easily takes place.
Summary of the invention
Technical problem to be solved by this invention provides a kind of marine floated wind power generating set based on active balancing control, realizes the active balancing control of marine floated wind power generating set.
Marine floated wind power generating set comprises blower fan, pylon, floated base, oblique rollering steel cable, and said blower fan is installed on the floated base through pylon, and floated base is connected the seabed through the oblique rollering steel cable.In order to solve above-mentioned technical problem; Technological scheme of the present invention is: hoisting mechanism, balance sensor and real-time Balance Control module are set on said floated base; Said hoisting mechanism is arranged on the floated base symmetrically; Said oblique rollering steel cable is connected with floated base through hoisting mechanism, and balance sensor sends inclination angle signal control hoisting mechanism and shrinks or extend the oblique rollering steel cable.
For guaranteeing that in blower fan normal operation process, slight inclination does not cause blower fan to be tumbled, the whole center of gravity of compositions such as said blower fan, pylon, floated base, oblique rollering steel rope is positioned at below the water surface.
Said hoisting mechanism is with in real time the Balance Control module is through storage battery power supply, and during the blower fan proper functioning, a part of electric energy charges a battery through transducer, so that guarantee can normal supply controller and the required electric energy of hoisting mechanism under the state of emergency.
When blower fan tilted, balance sensor can send inclination angle signal, and the real-time Balance Control module of master controller is exported control signal with this, and the hoisting mechanism of control respective direction shrinks or the elongation wirerope, so that wind-powered electricity generation unit balance.
Recover just often when working state, controller is exported control signal, and four hoisting mechanism coordinate operation are so that the wind-powered electricity generation unit recovers original equilibrium position.
The length calculation method that hoisting mechanism control oblique rollering steel cable shrinks or extends is following:
1) establishing four symmetrical hoisting mechanism positions is ABCD, is the X axle with the AC line, and the BD line is the Y axle, and balance sensor is installed near the X axle hoisting mechanism A, and when blower fan tilted, it was α that sensor records X axle section angle of inclination, and Y axle section angle of inclination is β;
2) with no wind, no waves the time, fan condition is the most initial state of equilibrium, and the signal that this moment, master controller received is:
P 0＝(0，0，H 0) T
H wherein 0Be the ID data, can draw initial wirerope length thus:
L 0＝(L A0，L B0，L C0，L D0) T，L 0＝f(P 0)
Wherein, L A0, L B0, L C0, L D0Be respectively hoisting mechanism A, B, C, D and control the initial length of oblique rollering steel cable;
When 3) the wind-powered electricity generation unit tilts, balance sensor induction angle of inclination, the signal that this moment, master controller received is:
P＝(α，β，H) T
Wherein α is X axle section angle of inclination, and β is Y axle section angle of inclination, and H is a depth data, can be derived as thus to keep balance wirerope this moment that length should be arranged:
L＝(L A，L B，L C，L D) T，L＝f(P)
4) subtract each other with initial wirerope length and can get each hoisting mechanism and should control that wirerope shrinks or the length of elongation is:
ΔL＝L-L 0＝(L A-L A0，L B-L B0，L C-L C0，L D-L D0) T
Wherein, negative sign is represented contracted length, and extended length represented in positive sign.
Floated wind-power electricity generation function of the present invention has and effectively prevents the wind-powered electricity generation unit and tilt because the higher or wave of wind speed is big even tumble, and guarantees the wind-powered electricity generation unit safety, improves wind-power electricity generation efficient.
Description of drawings
Below in conjunction with accompanying drawing and embodiment the present invention is done further detailed explanation.
Fig. 1 is a structural representation of the present invention.
Fig. 2 is a plan view of the present invention.
Fig. 3 is real-time Balance Control module controls flow chart.
Fig. 4 is an X axle generalized section.
Embodiment
As shown in Figure 1; Marine floated wind power generating set based on active balancing control comprises blower fan 1, pylon 2, floated base 3, oblique rollering steel cable 5; Said blower fan 1 is installed on the floated base 3 through pylon 2; Floated base 3 is connected the seabed through oblique rollering steel cable 5, also is provided with hoisting mechanism 4, balance sensor 6 and real-time Balance Control module on the said floated base 3, and said hoisting mechanism 4 is arranged on the floated base 3 symmetrically; Said oblique rollering steel cable 5 is connected with floated base 3 through hoisting mechanism 4, and balance sensor 6 sends inclination angle signal control hoisting mechanism 4 and shrinks or extend oblique rollering steel cable 5.Oblique rollering steel cable 5 can tie up on the fixing concrete pier 9 in seabed fixing.
The bottom setting depth detector 7 of floated base 3 can be measured the degree of depth of floated base 3.Transmission of electricity cable 8 also is arranged on the floated base 3.
During blower fan 1 operation; Fitful wind that wind-force is bigger or bigger wave can make the offshore wind farm unit tilt; As shown in Figure 3; X axle angle of inclination is α, and Y
Figure BSA00000589561000031
angle of inclination is β. when tilt angle alpha or β were big, blower fan may be tumbled.So in the process of fan operation, need deemphasis righteous style and practice seat in the plane initiatively to put, make blower fan keep balance, avoid tumbling and ruin the machine accident.
The measurement at blower fan angle of inclination realizes through the SCA100T series 2DOF inclinometer of VTI company.
Fig. 2 is a schematic top plan view of the present invention.Four circular ABCD of symmetry are respectively four hoisting mechanisms, are the X axle with the AC line conveniently for illustrating, the BD line is the Y axle.Near X axle A, balance sensor is installed.When blower fan 1 tilted, balance sensor 6 recorded that the X axle cuts open and angle of inclination (like Fig. 2) is α, and Y axle section angle of inclination is β.
In the time of with no wind, no waves, blower fan 1 state is the most initial state of equilibrium, and the signal that this moment, master controller received is:
P 0＝(0，0，H 0) T
H wherein 0Be the ID data.
Can draw initial wirerope length thus:
L 0＝(L A0，L B0，L C0，L D0) T，L 0＝f(P 0)
Wherein, L A0, L B0, L C0, L D0Be respectively hoisting mechanism A, B, C, D and control the initial length of oblique rollering steel cable 5.
When the wind-powered electricity generation unit tilts, inclinometer induction angle of inclination, the signal that this moment, master controller received is:
P＝(α，β，H) T
Wherein α is X axle section angle of inclination, and β is Y axle section angle of inclination, and H is a depth data.
Can be derived as thus and keep balance wirerope this moment that length should be arranged:
L＝(L A，L B，L C，L D) T，L＝f(P)
Subtract each other with initial oblique rollering steel cable 5 length and can get each hoisting mechanism 4 and should control that oblique rollering steel cable 5 shrinks or the length of elongation:
ΔL＝L-L 0＝(L A-L A0，L B-L B0，L C-L C0，L D-L D0) T
With a marine floated wind power generating set is example, and this generator set weighs 17 tons, and pylon is high 75 meters, 15 meters of floated base 3 radiuses, and distance is 50 meters to the seabed, hoisting mechanism 4 adopts motor.
According to concrete pier 9 seabed of living in physical locations, calculate initial oblique rollering steel cable 5 length L 0=(72,74,30,76) TUnder the wind speed operating mode of 20 meter per seconds, the run-off the straight of wind-powered electricity generation unit, the signal that master controller obtains is P=(6.5,8,51) T, calculate L=(73.2,75.5,73.1,74.3) TSo every oblique rollering steel cable 5 variable quantities do
Figure BSA00000589561000041
Negative sign is represented contracted length, and extended length represented in positive sign.Shrink and elongation oblique rollering steel cable through motor, the wind-powered electricity generation unit restores balance, and has guaranteed the Security of suspended wind unit.
The foregoing description does not limit the present invention in any way, and every employing is equal to the technological scheme that replacement or the mode of equivalent transformation obtain and all drops in protection scope of the present invention.

Claims (4)

1. marine floated wind power generating set based on active balancing control; Comprise blower fan (1), pylon (2), floated base (3), oblique rollering steel cable (5); Said blower fan (1) is installed on the floated base (3) through pylon (2); Floated base (3) is connected the seabed through oblique rollering steel cable (5); It is characterized in that: also be provided with hoisting mechanism (4), balance sensor (6) and real-time Balance Control module on the said floated base (3); Said hoisting mechanism (4) is arranged on the floated base (3) symmetrically, and said oblique rollering steel cable (5) is connected with floated base (3) through hoisting mechanism (4), and balance sensor (6) sends inclination angle signal control hoisting mechanism (4) and shrinks or extend oblique rollering steel cable (5).
2. a kind of marine floated wind power generating set based on active balancing control according to claim 1 is characterized in that: said blower fan (1), pylon (2), floated base (3), oblique rollering steel rope (5) are formed whole center of gravity and are positioned at below the water surface.
3. a kind of marine floated wind power generating set based on active balancing control according to claim 1 is characterized in that: said hoisting mechanism (4) and real-time Balance Control module are passed through storage battery power supply.
4. a kind of marine floated wind power generating set based on active balancing control according to claim 1 is characterized in that: the length calculation method that said hoisting mechanism (4) control oblique rollering steel cable (5) shrinks or extends is following:
1) establishing symmetrical four hoisting mechanisms (4) position is ABCD, is the X axle with the AC line, and the BD line is the Y axle; Balance sensor (6) is installed near the X axle hoisting mechanism A; When blower fan tilted, it was α that balance sensor (6) records X axle section angle of inclination, and Y axle section angle of inclination is β;
2) with no wind, no waves the time, fan condition is the most initial state of equilibrium, and the signal that this moment, master controller received is:
P 0＝(0，0，H 0) T
H wherein 0Be the ID data, can draw initial oblique rollering steel cable (5) length thus:
L 0＝(L A0，L B0，L C0，L D0) T，L 0＝f(P 0)
Wherein, L A0, L B0, L C0, L D0Be respectively hoisting mechanism A, B, C, D and control the initial length of oblique rollering steel cable (5);
When 3) the wind-powered electricity generation unit tilts, balance sensor (6) induction angle of inclination, the signal that this moment, master controller received is:
P＝(α，β，H) T
Wherein α is X axle section angle of inclination, and β is Y axle section angle of inclination, and H is a depth data, can be derived as thus to keep balance oblique rollering steel cable this moment (5) that length should be arranged:
L＝(L A，L B，L C，L D) T，L＝f(P)
4) subtract each other with initial oblique rollering steel cable (5) length and can get each hoisting mechanism (4) and should control that oblique rollering steel cable (5) shrinks or the length of elongation is:
ΔL＝L-L 0＝(L A-L A0，L B-L B0，L C-L C0，L D-L D0) T
Wherein, negative sign is represented contracted length, and extended length represented in positive sign.
CN2011103074446A 2011-10-11 2011-10-11 Offshore suspension type wind generating set based on active balance control Expired - Fee Related CN102392796B (en)

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Cited By (12)

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CN103277239A (en) * 2013-05-30 2013-09-04 邓远明 Sea wave energy electric generator device
CN103423091A (en) * 2013-08-08 2013-12-04 浙江海洋学院 Offshore wind power generating set
CN104619983A (en) * 2012-07-26 2015-05-13 维斯塔斯风力系统集团公司 Tilting wind turbine
WO2016207427A1 (en) 2015-06-26 2016-12-29 Single Buoy Moorings Inc. Floating wind turbine assembly, as well as a method for mooring such a floating wind turbine assembly
CN109357647A (en) * 2018-09-29 2019-02-19 观为监测技术无锡股份有限公司 A kind of wind power equipment positioning monitoring system and method
CN109737014A (en) * 2019-02-22 2019-05-10 上海勘测设计研究院有限公司 A kind of balance control system and wind power generating set of floatation type pedestal partly latent
CN113100136A (en) * 2021-03-22 2021-07-13 哈尔滨工程大学 Autonomous descent gravity type net cage capable of actively balancing
WO2021240449A1 (en) * 2020-05-29 2021-12-02 F.Lli Righini S.R.L. Floating structure
WO2022053259A1 (en) * 2020-09-08 2022-03-17 Rwe Renewables Gmbh Floating offshore structure
CN116696680A (en) * 2023-08-01 2023-09-05 山东启明风电有限公司 Tower of wind generating set
CN116905884A (en) * 2023-09-14 2023-10-20 国网山西省电力公司长治供电公司 Intelligent tension rod for assembling high-voltage distribution line
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CN104619983B (en) * 2012-07-26 2017-06-13 维斯塔斯风力系统集团公司 Make wind turbine pitching
CN104619983A (en) * 2012-07-26 2015-05-13 维斯塔斯风力系统集团公司 Tilting wind turbine
CN103277239A (en) * 2013-05-30 2013-09-04 邓远明 Sea wave energy electric generator device
CN103423091A (en) * 2013-08-08 2013-12-04 浙江海洋学院 Offshore wind power generating set
CN103423091B (en) * 2013-08-08 2015-11-25 浙江海洋学院 A kind of offshore wind power generation device
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US10661862B2 (en) 2015-06-26 2020-05-26 Single Buoy Moorings Inc. Floating wind turbine assembly, as well as a method for mooring such a floating wind turbine assembly
WO2016207427A1 (en) 2015-06-26 2016-12-29 Single Buoy Moorings Inc. Floating wind turbine assembly, as well as a method for mooring such a floating wind turbine assembly
JP7014498B2 (en) 2015-06-26 2022-02-01 シングル ブイ ムーリングス インコーポレイテッド Floating wind turbine assemblies, as well as methods for mooring such floating wind turbine assemblies
CN109357647A (en) * 2018-09-29 2019-02-19 观为监测技术无锡股份有限公司 A kind of wind power equipment positioning monitoring system and method
CN109737014A (en) * 2019-02-22 2019-05-10 上海勘测设计研究院有限公司 A kind of balance control system and wind power generating set of floatation type pedestal partly latent
WO2021240449A1 (en) * 2020-05-29 2021-12-02 F.Lli Righini S.R.L. Floating structure
WO2022053259A1 (en) * 2020-09-08 2022-03-17 Rwe Renewables Gmbh Floating offshore structure
CN113100136A (en) * 2021-03-22 2021-07-13 哈尔滨工程大学 Autonomous descent gravity type net cage capable of actively balancing
CN116946874A (en) * 2023-06-27 2023-10-27 广州海洋地质调查局 Marine crane oscillation stopping device and method
CN116946874B (en) * 2023-06-27 2024-01-26 广州海洋地质调查局 Marine crane oscillation stopping device and method
CN116696680A (en) * 2023-08-01 2023-09-05 山东启明风电有限公司 Tower of wind generating set
CN116696680B (en) * 2023-08-01 2023-11-03 山东启明风电有限公司 Tower of wind generating set
CN116905884A (en) * 2023-09-14 2023-10-20 国网山西省电力公司长治供电公司 Intelligent tension rod for assembling high-voltage distribution line
CN116905884B (en) * 2023-09-14 2023-11-21 国网山西省电力公司长治供电公司 Intelligent tension rod for assembling high-voltage distribution line

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