CN109595114A - One kind is based on birotor to turning magneto tidal power station multi-state turbine - Google Patents

One kind is based on birotor to turning magneto tidal power station multi-state turbine Download PDF

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Publication number
CN109595114A
CN109595114A CN201811241480.5A CN201811241480A CN109595114A CN 109595114 A CN109595114 A CN 109595114A CN 201811241480 A CN201811241480 A CN 201811241480A CN 109595114 A CN109595114 A CN 109595114A
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Prior art keywords
rotor
runner
motor
bearing
tidal power
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CN201811241480.5A
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Chinese (zh)
Inventor
朱荣生
李扬
王秀礼
司翔宇
张国玉
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Jiangsu University
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Jiangsu University
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Priority to CN201811241480.5A priority Critical patent/CN109595114A/en
Publication of CN109595114A publication Critical patent/CN109595114A/en
Pending legal-status Critical Current

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    • 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
    • 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
    • F03B—MACHINES OR ENGINES FOR LIQUIDS
    • F03B3/00—Machines or engines of reaction type; Parts or details peculiar thereto
    • F03B3/12—Blades; Blade-carrying rotors
    • F03B3/121—Blades, their form or construction
    • 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
    • F03B3/00—Machines or engines of reaction type; Parts or details peculiar thereto
    • F03B3/12—Blades; Blade-carrying rotors
    • F03B3/126—Rotors for essentially axial flow, e.g. for propeller turbines
    • 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
    • F03B3/00—Machines or engines of reaction type; Parts or details peculiar thereto
    • F03B3/16—Stators
    • F03B3/18—Stator blades; Guide conduits or vanes, e.g. adjustable
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K16/00—Machines with more than one rotor or stator
    • H02K16/02—Machines with one stator and two or more rotors
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K7/00—Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
    • H02K7/18—Structural association of electric generators with mechanical driving motors, e.g. with turbines
    • H02K7/1807—Rotary generators
    • H02K7/1823—Rotary generators structurally associated with turbines or similar engines
    • 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
    • Y02E10/20—Hydro 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

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Oceanography (AREA)
  • Other Liquid Machine Or Engine Such As Wave Power Use (AREA)

Abstract

The invention belongs to field of fluid machinery, disclose it is a kind of based on birotor to turning magneto tidal power station multi-state turbine, including movable guide vane, runner one, runner two, hollow shaft, rotor one, motor stator, rotor two, inner shaft；Runner one and runner two are axially and symmetrically installed, and movable guide vane is arranged in rotating wheel side, and runner one is connect by inner shaft with rotor two；Runner two is connect by hollow shaft with rotor one；Motor stator is arranged between rotor one and rotor two, fixed by bearing two and bearing three；Inner shaft is passed through from hollow shaft, fixed by bearing one and bearing two；Rotor one is fixed by bearing one and bearing three.The present invention is designed as birotor to the structure of rotation using traditional single-turn wheel tidal power generation unit, and design is rationally, stable to rotation double runner, and axial torque is small, and inner-outer birotor is small in size, with small vibration to permanent magnet synchronous motor is turned.

Description

One kind is based on birotor to turning magneto tidal power station multi-state turbine
Technical field
It is the invention belongs to field of fluid machinery, in particular to a kind of more to magneto tidal power station use is turned based on birotor Operating condition turbine.
Background technique
The energy is the basis and premise of a national national economic development.Low-carbon, cleaning, sustainable new energy have become For the inevitable requirement of social development, within following opposite a period of time, thermoelectricity is still the main force of power generation.With coal, stone The fossil fuels such as oil it is fewer and fewer, the specific gravity of thermoelectricity will be reduced gradually, this is constantly soaring from the price of coal oil, And estimated power generation specific gravity in 2020 can be found out.It so instead will be Non-energy-consumption and free of contamination new energy hair Electricity, hydroelectric generation will become in generation of electricity by new energy maximum one piece because of its reserves and feasibility.
Hydroelectric generator is hydroelectric pith, and the reasonable efficient utilization of hydroelectric generator will be hydroelectric Key technique, present hydroelectric generator are all single blade wheel structures, and waterpower utilization rate is lower, be such as made into bilobed wheel to turn Structure is, it can be achieved that water energy secondary use, as development and the application of double-rotor machine are so that bilobed wheel generates electricity to rotation structure formula Unit is possibly realized.It is different from generating set traditional on tidal power station, two runners just generate two when counter-rotation simultaneously Opposite unilateral torque, when power of motor distribution is reasonable, two torques can be completely counterbalanced by.Inside and outside special construction Birotor has rotor core utilization rate height, power density to permanent magnet synchronous motor is turned compared with the conventional motors with power The advantages that high, compact-sized.
Patent publication No. is a kind of birotor contrarotating tidal-energy electric generator set of CN206419158U in the prior art, should Utility model is horizontally disposed by the first secondary gutter and the second secondary gutter, rather than upper and lower position is used to be arranged, and makes wave It not will receive the influence of water level height when impact main impeller and accessory impeller, keep while rotating, wave passes through valve impact main lobe Wheel and accessory impeller, due to the effect of limited block, limited block two sides valve openings are contrary, sea beat and when retracting, main lobe Wheel and accessory impeller steering do not change, and rotate backward inner shaft and outer central siphon, keep stable generating state, work as sea beat When device is generated electricity, main impeller drives internal rotor to rotate by inner shaft, and accessory impeller drives driven tooth to rotate by driving gear Dynamic, driven gear drives outer rotor to do the rotation opposite with internal rotor direction of rotation by outer central siphon again, makes birotor generator Stable electric generation, but this structure reaches in level-one runner, then by gear drive to second level runner just with flow action The purpose of power generation, the flow energy come out from level-one runner are not utilized effectively.
Patent publication No. is a kind of double-speed Wave power generation device of CN205349604U, the utility model in the prior art Including double-rotor machine and two seawater guide grooves, the upper end of outer shaft and inner axes with the input shaft of double-rotor machine It is coaxially fixedly mounted with, the other end of outer shaft and inner axes passes through a unilateral bearing respectively and is equipped with an impeller, two unilateral bearings Direction of rotation is on the contrary, each bearing is mounted on correspondingly respectively in two seawater guide grooves, double-speed Wave power generation device The flap valve, flap valve limited block and spring reset articulated shaft for removing bottom plate and partition, are changed to the bottom in outer shaft and inner axes The opposite unilateral bearing in direction of rotation is installed in portion, still can satisfy upper and lower level impeller in this way under wave reciprocating impact to phase The condition that opposite direction rotation and each low damage remain unchanged, while being driven in the reverse direction the outer shaft and inner axes of double-rotor machine.But Its invention only simplifies the prior art, does not provide the relationship between each performance of operating condition data and structure to facilitate engineering skill It manufactures and uses in art, and its performance improvement is unobvious.
Summary of the invention
For it is current both at home and abroad on tidal power station using the generally existing efficiency of more single impeller tubular turbine without Method improves and the undesirable problem of individual operating conditions, and it is damp to magneto is turned based on birotor that the present invention provides one kind Nighttide power station multi-state turbine.The present invention using dual-rotor structure design, by turn magneto realize birotor opposite direction rotation Turn, the lift of pump operating condition can be improved under conditions of meeting hydraulic turbine efficient operation, double-rotor machine also has rotor iron The advantages that heart utilization rate is high, power density is high, compact-sized, outer coil shares a line end, has not only saved material, also Reduce rotary inertia.The present invention has rational design, stable to rotation double runner, and axial torque is small, and inner-outer birotor pair It is small in size, with small vibration to turn permanent magnet synchronous motor.
What the invention is realized by the following technical scheme:
One kind to turning magneto tidal power station multi-state turbine, including movable guide vane, runner one, is turned based on birotor Take turns two, hollow shaft, rotor one, motor stator, rotor two, inner shaft；
Runner one and runner two to rotation are axially and symmetrically installed, and movable guide vane is arranged in rotating wheel side, motor part It is arranged in the rotating wheel other side；Runner one is connect by inner shaft with rotor two；Runner two is turned by hollow shaft and motor Son one connects；Motor stator is arranged between rotor one and rotor two, fixed by bearing two and bearing three；It is interior Axis is passed through from hollow shaft, fixed by bearing one and bearing two；Rotor one is fixed by bearing one and bearing three；
The runner one and two blade parameter of runner are according to pump operating condition or the efficient priority design of hydraulic turbine condition, i.e. machine The forward and reverse flow direction of group, Airfoil Design are symmetrical " S " type or asymmetry " S " type.
On the contrary, two runner revolving speeds are adjustable, steering turns depending on work operating condition for the runner one and two direction of rotation of runner The number of blade range of wheel one and runner two is at 3~5.
The distance between the runner one and runner two are L, the wheel hub axial width L of runner one and runner two1,Particularly L=L1。
The motor shares a set of stator winding, and rotor one and rotor two are arranged in motor stator two sides, and two Rotor is connectionless independently of each other.
Compared with prior art, the beneficial effects of the present invention are:
It, can by counter-rotation at the same speed to magneto realization birotor is turned 1. the present invention is designed using dual-rotor structure To improve the lift of pump operating condition under conditions of meeting hydraulic turbine efficient operation；
2. the inner-outer birotor of special construction of the present invention is to turning permanent magnet synchronous motor, compared with the conventional motors with power Have many advantages, such as that rotor core utilization rate is high, power density is high, compact-sized, outer coil shares a line end, not only saves Material, also reduces rotary inertia, and magneto small volume is conducive to bimodal current flowing and stablizes.
3. the runner one and runner two in the present invention are counter-rotation, it is different from generating set traditional on tidal power station, two A runner just generates two opposite unilateral torques when counter-rotation simultaneously, when power of motor distribution is reasonable, two torques can To be completely counterbalanced by, unit vibration can be effectively reduced.
4. runner one and the forward and reverse efficient priority design of flowing of runner two blade parameters foundation unit in the present invention, if Comprehensively consider forward and reverse lift (head) or efficiency, then Airfoil Design is symmetrical " S " type, if it is considered that positive or reverse flow Dynamic lift (head) or efficiency are higher, and aerofoil profile may be designed as asymmetric " S " type.
5. the present invention makes full use of inner-outer birotor to turning, permanent-magnetic synchronous motor rotor iron core utilization rate is high, power density Traditional single-turn wheel tidal power generation unit is designed as birotor to the structure of rotation, double runner leaf by the advantages that high, compact-sized Piece matching design not only efficiently reduces unit vibration, but also improves water under conditions of guaranteeing hydraulic turbine efficient operation The lift of pump condition, compared to traditional bulb tubular hydraulic generating set, the utilization rate of water energy is significantly improved.
Detailed description of the invention
Fig. 1 be the present invention it is a kind of based on birotor to the main sectional view for turning magneto tidal power station multi-state turbine；
Fig. 2 is runner bucket Airfoil Design schematic diagram of the present invention；Symmetrical " S " the type design of A-, B- asymmetry " S " type design；
Fig. 3 is under positive water pump different flow operating condition of the invention to the distance between rotating wheel L and lift H relationship change Figure；
Fig. 4 is under positive water pump different flow operating condition of the invention to the distance between rotating wheel L and efficiency eta relationship change Figure；
Fig. 5 is under positive hydraulic turbine different flow operating condition of the invention to the distance between rotating wheel L and head H relationship change Figure.
Fig. 6 is under positive hydraulic turbine different flow operating condition of the invention to the distance between rotating wheel L and efficiency eta relationship change Figure.
In figure, 1. movable guide vanes；2. runner one；3. runner two；4. hollow shaft；5. rotor one；6. motor stator；7. Rotor two；8. inner shaft；9. bearing one；10. bearing two；11. bearing three.
Specific embodiment
Invention is further described in detail with reference to the accompanying drawings and detailed description, but protection scope of the present invention It is not limited to this.
Fig. 1 show the present invention it is a kind of based on birotor to a kind of reality for turning magneto tidal power station multi-state turbine Apply mode, it is described based on birotor to turning magneto tidal power station multi-state turbine, including movable guide vane 1, runner 1, Runner 23, hollow shaft 4, rotor 1, motor stator 6, rotor 27 and inner shaft 8, the turbine is mainly by preposition Movable guide vane 1, two runner 1 and runner 23 and motor part to rotation forms；Runner 1 and runner 23 are axially symmetric Installation, movable guide vane 1 are arranged in rotating wheel side, and motor part is arranged in the rotating wheel other side；Runner 1 passes through interior Axis 8 is connect with rotor 27；Runner 23 is connect by hollow shaft 4 with rotor 1；Motor stator 6 is arranged in motor It is fixed by bearing 2 10 and bearing 3 11 between rotor 1 and rotor 27；Inner shaft 8 is passed through from hollow shaft 4, is passed through Bearing 1 and bearing 2 10 are fixed；Rotor 1 is fixed by bearing 1 and bearing 3 11.
The runner 1 and 23 blade parameter of runner are according to the forward and reverse efficient priority design of flowing of unit, Airfoil Design For symmetrical " S " type or asymmetry " S " type.
Preferably, the runner 1 and 23 direction of rotation of runner are on the contrary, two runner revolving speeds can be different, and steering is according to work Depending on making operating condition, single runner number of blade range is at 3~5.
Preferably, the distance between the runner 1 and runner 23 L and runner boss axial width L1RatioParticularly L=L1。
Preferably, the motor shares a set of stator winding, and it is fixed that rotor 1 and rotor 27 are arranged in motor Sub 6 two sides, two rotors are connectionless independently of each other.
It is illustrated in figure 2 runner bucket schematic diagram of the present invention, comprehensively considers forward and reverse lift (head) or efficiency, then aerofoil profile It is designed as symmetrical " S " type, if it is considered that positive or reverse flow lift (head) or efficiency are higher, aerofoil profile be may be designed as not Symmetrically " S " type.
As Fig. 3,4,5,6 show under different flow operating condition of the present invention positive water pump (hydraulic turbine) between rotating wheel away from From L and lift H (efficiency eta) relationship change figure.It can be seen from the figure that under each flow rate working conditions, with L1Gradually increasing Greatly, positive water pump (hydraulic turbine) lift (head) and efficiency are higher and higher.In L=L1When, the efficiency and lift of water pump reach The efficiency of highest, the hydraulic turbine has also arrived highest；L>L1When, pump head and efficiency and the efficiency of the hydraulic turbine tend towards stability, It is below L=L1Under state.?When, interfere between runner more obvious, is affected to each performance of operating condition, thus It obtainsFor comprehensive performance scope of design under four kinds of operating conditions, particularly, in L=L1Shi Xingneng is most ideal.
Working principle of the present invention:
According to the corner for needing to adjust movable guide vane 1 in power station, when forward and reverse hydraulic turbine condition, water flow makees driving source, false If water flow flows to right side from left side, runner 1 rotates in the forward direction under the action of water flow, drives the rotor being connected with inner shaft 8 27 rotate in same direction, and runner 23 reversely rotates under the action of water flow, drive the rotor 1 being connected with hollow shaft 4 in the same direction Rotation；When forward and reverse pump operating condition, motor makees driving source, and motor, which is powered, generates rotating excitation field, it is assumed that rotor 27 It rotates in the forward direction, the runner 1 being connected with inner shaft 8 is driven to rotate in same direction, rotor 1 reversely rotates, and drives and hollow shaft 4 Connected runner 23 rotates in same direction.The series of detailed descriptions listed above are real only for feasibility of the invention Illustrating for example is applied, the protection scope that they are not intended to limit the invention is all without departing from made by technical spirit of the present invention Equivalent embodiment or change should all be included in the protection scope of the present invention.

Claims (5)

1.一种基于双转子对转永磁电机潮汐电站用多工况透平，其特征在于，包括活动导叶(1)、对旋的转轮一(2)和转轮二(3)、空心轴(4)、电机转子一(5)、电机定子(6)、电机转子二(7)、内轴(8)；1. A multi-condition turbine for a tidal power station based on a dual-rotor counter-rotating permanent magnet motor, characterized in that it comprises movable guide vanes (1), counter-rotating runner one (2) and runner two (3), Hollow shaft (4), motor rotor one (5), motor stator (6), motor rotor two (7), inner shaft (8); 转轮一(2)和转轮二(3)轴向对称安装，活动导叶(1)布置在对旋转轮一侧，电机部分布置在对旋转轮另一侧；转轮一(2)通过内轴(8)与电机转子二(7)连接；转轮二(3)通过空心轴(4)与电机转子一(5)连接；电机定子(6)布置于电机转子一(5)和电机转子二(7)之间，通过轴承二(10)与轴承三(11)固定；内轴(8)从空心轴(4)穿过，通过轴承一(9)与轴承二(10)固定；电机转子一(5)通过轴承一(9)与轴承三(11)固定；The runner one (2) and the runner two (3) are installed axially symmetrically, the movable guide vane (1) is arranged on one side of the counter-rotating wheel, and the motor part is arranged on the other side of the counter-rotating wheel; the runner one (2) passes through The inner shaft (8) is connected with the second rotor (7) of the motor; the second runner (3) is connected with the first rotor (5) of the motor through the hollow shaft (4); the stator (6) of the motor is arranged on the first rotor (5) of the motor and the motor Between the rotor two (7), it is fixed by the bearing two (10) and the bearing three (11); the inner shaft (8) passes through the hollow shaft (4) and is fixed by the bearing one (9) and the bearing two (10); Motor rotor one (5) is fixed with bearing three (11) through bearing one (9); 所述转轮一(2)和转轮二(3)叶片参数依据机组正反向流动方向，翼型设计为对称“S”型或者不对称“S”型。The blade parameters of the first runner (2) and the second runner (3) are based on the forward and reverse flow directions of the unit, and the airfoil is designed to be a symmetrical "S" type or an asymmetrical "S" type. 2.如权利要求1所述的一种基于双转子对转永磁电机潮汐电站用多工况透平，其特征在于，所述转轮一(2)和转轮二(3)，两转轮转速可调，转向根据工作工况而定，转轮一(2)和转轮二(3)的叶片数范围均在3～5个。2. The multi-condition turbine for a tidal power station based on a dual-rotor counter-rotating permanent magnet motor as claimed in claim 1, characterized in that, one (2) and two (3) runners, two runners The rotational speed of the wheel is adjustable, and the steering is determined according to the working conditions. 3.如权利要求1所述的一种基于双转子对转永磁电机潮汐电站用多工况透平，其特征在于，所述转轮一(2)和转轮二(3)之间的距离为L，转轮一(2)和转轮二(3)的轮毂轴向宽度为L1， 3. The multi-condition turbine for a tidal power station based on a dual-rotor counter-rotating permanent magnet motor as claimed in claim 1, characterized in that, between the first runner (2) and the second runner (3) The distance is L, the axial width of the hubs of the first (2) and second (3) wheels is L 1 , 4.如权利要求3所述的一种基于双转子对转永磁电机潮汐电站用多工况透平，其特征在于，L＝L1。4 . The multi-condition turbine for a tidal power station based on a dual-rotor counter-rotating permanent magnet motor according to claim 3 , wherein L=L 1 . 5 . 5.如权利要求1所述的一种基于双转子对转永磁电机潮汐电站用多工况透平，其特征在于，所述电机共用一套定子绕组，电机转子一(5)和电机转子二(7)布置在电机定子(6)两侧，两转子相互独立无连接。5. A multi-condition turbine for a tidal power station based on a dual-rotor counter-rotating permanent magnet motor as claimed in claim 1, wherein the motor shares a set of stator windings, the motor rotor one (5) and the motor rotor Two (7) are arranged on both sides of the motor stator (6), and the two rotors are independent of each other without connection.
CN201811241480.5A 2018-10-24 2018-10-24 One kind is based on birotor to turning magneto tidal power station multi-state turbine Pending CN109595114A (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111058991A (en) * 2019-12-12 2020-04-24 永康市翰龙科技有限公司 Step-by-step indirect excitation type water flow generator
CN111608846A (en) * 2020-06-16 2020-09-01 董国章 River power generation device

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111058991A (en) * 2019-12-12 2020-04-24 永康市翰龙科技有限公司 Step-by-step indirect excitation type water flow generator
CN111608846A (en) * 2020-06-16 2020-09-01 董国章 River power generation device

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Application publication date: 20190409