WO2012116532A1 - Power-generating apparatus - Google Patents

Power-generating apparatus Download PDF

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Publication number
WO2012116532A1
WO2012116532A1 PCT/CN2011/076814 CN2011076814W WO2012116532A1 WO 2012116532 A1 WO2012116532 A1 WO 2012116532A1 CN 2011076814 W CN2011076814 W CN 2011076814W WO 2012116532 A1 WO2012116532 A1 WO 2012116532A1
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Prior art keywords
power
storage module
wind
motor
inverter
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PCT/CN2011/076814
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French (fr)
Chinese (zh)
Inventor
赵继亮
Original Assignee
Zhao Jiliang
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Publication of WO2012116532A1 publication Critical patent/WO2012116532A1/en

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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
    • F03D—WIND MOTORS
    • F03D7/00—Controlling wind motors 
    • F03D7/02—Controlling wind motors  the wind motors having rotation axis substantially parallel to the air flow entering the rotor
    • F03D7/026—Controlling wind motors  the wind motors having rotation axis substantially parallel to the air flow entering the rotor for starting-up
    • 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
    • H02J3/38—Arrangements for parallely feeding a single network by two or more generators, converters or transformers
    • H02J3/381—Dispersed generators
    • 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
    • H02J2300/00—Systems for supplying or distributing electric power characterised by decentralized, dispersed, or local generation
    • H02J2300/20—The dispersed energy generation being of renewable origin
    • H02J2300/28—The renewable source being wind 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
    • Y02E10/70—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

Definitions

  • the utility model relates to the field of new clean energy technologies, in particular to the field of utilizing wind power generation technology.
  • wind energy is receiving more and more attention from all countries in the world. Its huge amount of energy, the global wind energy is about 2.74 ⁇ 109MW, of which the available wind energy is 2 ⁇ 107MW, 10 times larger than the total amount of water energy that can be developed and utilized on the earth.
  • the principle of wind power generation is to use wind power to drive the rotation of the windmill blades, and then increase the speed of rotation through the speed increaser to promote the generator to generate electricity. According to the current windmill technology, about three meters per second of the breeze speed, you can start generating electricity. Wind power is forming a boom in the world because wind power does not require the use of fuel or radiation or air pollution.
  • the purpose of the utility model is to solve the technical deficiencies that the existing wind power generator can not ensure continuous uninterrupted rotation and can not start the running output electric energy in the breeze, and propose a novel power generating device.
  • a novel power generation device which is characterized in that the device comprises a wind power generator, a controller, a power storage module, an inverter, a frequency converter and electric motor;
  • the wind power generator uses the wind power as the power to drive the generator to convert the wind energy into the electric energy output;
  • the controller is connected with the electric energy output end of the wind power generator for adjusting and controlling the electric energy output state of the wind power generator;
  • the power storage module is connected to the output end of the controller for storing electrical energy;
  • the inverter is connected to the power storage module, and is used for converting the direct current power in the power storage module into alternating current to provide working power for the electrical equipment;
  • the frequency converter is connected with the power output end of the inverter, and is used for frequency and amplitude adjustment of the output power of the inverter, thereby realizing the soft start of the motor and the purpose of frequency conversion and speed regulation;
  • the motor is connected to the output end of the frequency converter, and the driving wheel of the
  • the motor is a three-phase asynchronous motor.
  • the power storage module includes three sets of storage battery packs.
  • the utility model has the beneficial effects that after the charging capacity of the power storage module reaches a predetermined value, the electric storage module starts to work while the electric storage module is charging, and the electric motor drives the wind power generator to rotate, so as to avoid the short-term stop of the wind power, the wind power generator
  • the shutdown causes the wind turbine to rotate without interruption, and the power output can be stably provided.
  • Figure 1 is a block diagram showing the structure of the utility model.
  • the present invention includes six parts of a wind power generator 1, a controller 2, a power storage module 3, an inverter 4, a frequency converter 5, and an electric motor 6.
  • the power output end of the wind power generator 1 is connected to the input end of the controller 2, the output end of the controller 2 is connected to the power storage module 3, the power storage module 3 is connected to the inverter 4, and the inverter 4 is connected to the frequency converter 5.
  • a power device connection terminal 41 is connected, the frequency converter 5 is connected to the motor 6, and the drive wheel of the motor 6 is connected to the crankshaft of the wind power generator 1.
  • the wind power generator 1 uses wind power as a power to drive the generator to convert wind energy into electric energy output.
  • the controller 2 is used to adjust and control the power output state of the wind power generator 1.
  • the power storage module 3 includes three sets of battery packs connected in parallel.
  • the power storage module 3 is used for storing electrical energy, and the power storage module 3 ensures strong power.
  • the inverter 4 is used to convert the direct current power in the power storage module into an alternating current to provide a working power source for the electrical equipment.
  • the frequency converter 5 is used for frequency and amplitude adjustment of the output power of the inverter 4, realizing the soft start of the motor 6, and the purpose of frequency conversion and speed regulation, that is, starting in a slow manner when starting the motor 6, avoiding the instantaneous current of starting. Big.
  • the motor 6 is a three-phase asynchronous motor, and the drive wheel of the motor 6 is connected to the crankshaft of the wind turbine 1 through a reduction gear set.
  • Use a wind turbine with a light load, a powerful motor, and a gear set with good power to make the motor reach the highest level and make the wind turbine produce high.
  • One end of the motor is provided with a cross paddle or a large iron wheel, and the other end of the motor drives the generator to generate electricity through the gear set, and the electric motor is driven by the generator.
  • the generator is an ultra-low speed generator, the motor drives the generator at a low speed, and at the same time drives the cross paddle or the large iron wheel at a high speed, and the crutches or the large iron wheel reduce the load force of the motor under high speed rotation according to the principle of inertia.

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  • Engineering & Computer Science (AREA)
  • Power Engineering (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)
  • Control Of Eletrric Generators (AREA)

Abstract

A power-generating apparatus, relating to the technical field of a novel clean energy, relating specifically to the technical field of wind power. The power-generating apparatus comprises a wind turbine (1), a controller (2), an energy storage module (3), an inverter (4), an alternator (5), and an electric motor (6). The inverter is connected to the energy storage module and is for use in transforming a direct current into an alternating current, thereby providing electrical equipment with working power; the inverter allows for soft starting of the electric motor; and the electrical motor is connected to a shaft of the wind turbine via a reduction gear. When the electrical charge within the energy storage module reaches a predetermined value, the electrical motor starts to work at the same time when the energy storage module is charging, then, the electrical motor drives the wind turbine into rotation, thus preventing the wind turbine from halting when the wind pauses for a short time. This allows the wind turbine to rotate continuously to output steadily electrical power.

Description

[根据细则37.2由ISA制定的发明名称]　一种发电设备[Name of invention established by ISA in accordance with Rule 37.2] A power generation facility
技术领域Technical field
本实用新型涉及到新型清洁能源技术领域，具体涉及到利用风能发电技术领域。The utility model relates to the field of new clean energy technologies, in particular to the field of utilizing wind power generation technology.
背景技术Background technique
风能作为一种清洁的可再生能源，越来越受到世界各国的重视。其蕴量巨大，全球的风能约为2.74×109MW，其中可利用的风能为2×107MW，比地球上可开发利用的水能总量还要大10倍。风力发电的原理，是利用风力带动风车叶片旋转，再透过增速机将旋转的速度提升，来促使发电机发电。依据目前的风车技术，大约是每秒三米的微风速度，便可以开始发电。风力发电正在世界上形成一股热潮，因为风力发电不需要使用燃料，也不会产生辐射或空气污染。但是，由于风能存在着非连续和不稳定性，风力发电机的叶片也就不能保证能够持续不间断旋转。在风力短时间停止，风力发电机停机后，微风状态下风力发电机不易再次被启动旋转，从而使风力发电机在微风时无法输出电能。As a clean and renewable energy source, wind energy is receiving more and more attention from all countries in the world. Its huge amount of energy, the global wind energy is about 2.74 × 109MW, of which the available wind energy is 2 × 107MW, 10 times larger than the total amount of water energy that can be developed and utilized on the earth. The principle of wind power generation is to use wind power to drive the rotation of the windmill blades, and then increase the speed of rotation through the speed increaser to promote the generator to generate electricity. According to the current windmill technology, about three meters per second of the breeze speed, you can start generating electricity. Wind power is forming a boom in the world because wind power does not require the use of fuel or radiation or air pollution. However, due to the discontinuity and instability of wind energy, the blades of wind turbines are not guaranteed to continue uninterrupted rotation. When the wind is stopped for a short time, after the wind turbine is stopped, the wind turbine is not easily rotated again in the breeze state, so that the wind turbine cannot output electric energy when the wind is breeze.
发明内容Summary of the invention
综上所述，本实用新型的目的在于解决现有风力发电机不能保证能够持续不间断旋转，在微风时无法启动运转输出电能的技术不足，而提出一种新型发电设备。In summary, the purpose of the utility model is to solve the technical deficiencies that the existing wind power generator can not ensure continuous uninterrupted rotation and can not start the running output electric energy in the breeze, and propose a novel power generating device.
为解决本实用新型所提出的技术问题，采用的技术方案为：一种新型发电设备，其特征是，该设备包括有风力发电机、控制器、蓄电模组、逆变器、变频器及电动机； 风力发电机，将风力作为动力，从而带动发电机将风能转化为电能输出； 控制器，与风力发电机的电能输出端相连接，用于对风力发电机的电能输出状态进行调节控制； 蓄电模组，与控制器输出端连接，用于存储电能； 逆变器，与蓄电模组连接，用于将蓄电模组中的直流电变为交流电，为用电设备提供工作电源； 变频器，与逆变器的电源输出端连接，用于对逆变器的输出电源进行频率和幅度调节，实现对电动机软起动，变频调速目的； 电动机，与变频器的输出端连接，电动机的驱动轮通过减速齿轮组与风力发电机的机轴连接，在减速齿轮组还设有皮带轮和十字桨，在十字桨的桨片的末端上设有重块，通过皮带轮与电动机的皮带轮连接。In order to solve the technical problem proposed by the utility model, the technical solution adopted is: a novel power generation device, which is characterized in that the device comprises a wind power generator, a controller, a power storage module, an inverter, a frequency converter and electric motor; The wind power generator uses the wind power as the power to drive the generator to convert the wind energy into the electric energy output; the controller is connected with the electric energy output end of the wind power generator for adjusting and controlling the electric energy output state of the wind power generator; The power storage module is connected to the output end of the controller for storing electrical energy; the inverter is connected to the power storage module, and is used for converting the direct current power in the power storage module into alternating current to provide working power for the electrical equipment; The frequency converter is connected with the power output end of the inverter, and is used for frequency and amplitude adjustment of the output power of the inverter, thereby realizing the soft start of the motor and the purpose of frequency conversion and speed regulation; The motor is connected to the output end of the frequency converter, and the driving wheel of the motor is connected to the shaft of the wind power generator through the reduction gear set, and the pulley and the cross paddle are further provided in the reduction gear set, and the end of the paddle of the cross paddle is provided The weight is connected to the pulley of the motor through a pulley.
所述的电动机为三相异步电动机。The motor is a three-phase asynchronous motor.
所述蓄电模组包含有三组蓄并接蓄电池组。The power storage module includes three sets of storage battery packs.
本实用新型的有益效果为：当蓄电模组充电量达到预定值后，蓄电模组在充电的同时，电动机开始工作，电动机驱动风力发电机旋转，避免风力短时间停止后，风力发电机停机，从而使风力发电机不间断旋转，能稳定地提供电能输出。The utility model has the beneficial effects that after the charging capacity of the power storage module reaches a predetermined value, the electric storage module starts to work while the electric storage module is charging, and the electric motor drives the wind power generator to rotate, so as to avoid the short-term stop of the wind power, the wind power generator The shutdown causes the wind turbine to rotate without interruption, and the power output can be stably provided.
附图说明DRAWINGS
图1为本实用新型结构原理方框图。Figure 1 is a block diagram showing the structure of the utility model.
具体实施方式detailed description
以下结合附图和本实用新型的优选具体实施例，对本实用新型的结构作进一步地说明：The structure of the present invention will be further described below in conjunction with the accompanying drawings and preferred embodiments of the present invention:
参照图1中所示，本实用新型包括有风力发电机1、控制器2、蓄电模组3、逆变器4、变频器5及电动机6这六个部分。风力发电机1的电源输出端与控制器2输入端连接，控制器2输出端与蓄电模组3连接，蓄电模组3与逆变器4连接，逆变器4与变频器5连接的同时，还连接有一个用电设备连接端41，变频器5与电动机6连接，电动机6的驱动轮与风力发电机1的机轴连接。Referring to FIG. 1, the present invention includes six parts of a wind power generator 1, a controller 2, a power storage module 3, an inverter 4, a frequency converter 5, and an electric motor 6. The power output end of the wind power generator 1 is connected to the input end of the controller 2, the output end of the controller 2 is connected to the power storage module 3, the power storage module 3 is connected to the inverter 4, and the inverter 4 is connected to the frequency converter 5. At the same time, a power device connection terminal 41 is connected, the frequency converter 5 is connected to the motor 6, and the drive wheel of the motor 6 is connected to the crankshaft of the wind power generator 1.
风力发电机1，将风力作为动力，从而带动发电机将风能转化为电能输出。控制器2用于对风力发电机1的电能输出状态进行调节控制。蓄电模组3包含有三组并接的蓄电池组，蓄电模组3用于存储电能，蓄电模组3保证电力雄厚。逆变器4用于将蓄电模组中的直流电变为交流电，为用电设备提供工作电源。变频器5用于对逆变器4的输出电源进行频率和幅度调节，实现对电动机6软起动，变频调速目的，也即是在启动电动机6时采用缓慢的方式启动，避免启动瞬间电流过大。电动机6为三相异步电动机，电动机6驱动轮通过减速齿轮组与风力发电机1的机轴连接。为了实用可以调出自己需要的负载力，选用负载轻的风力发电机，配上有力的电动机，配上助力好的齿轮组，让电动机发挥最高境界，让风力发电机产量高。让小的电动机带动大风力发电机，例如：用1.1千瓦的电动机带动两千瓦的风力发电机，风力发电机发出的电三分二的电能用来为电动机使用，三分之一的电能用力为用电设备提供电能。The wind power generator 1 uses wind power as a power to drive the generator to convert wind energy into electric energy output. The controller 2 is used to adjust and control the power output state of the wind power generator 1. The power storage module 3 includes three sets of battery packs connected in parallel. The power storage module 3 is used for storing electrical energy, and the power storage module 3 ensures strong power. The inverter 4 is used to convert the direct current power in the power storage module into an alternating current to provide a working power source for the electrical equipment. The frequency converter 5 is used for frequency and amplitude adjustment of the output power of the inverter 4, realizing the soft start of the motor 6, and the purpose of frequency conversion and speed regulation, that is, starting in a slow manner when starting the motor 6, avoiding the instantaneous current of starting. Big. The motor 6 is a three-phase asynchronous motor, and the drive wheel of the motor 6 is connected to the crankshaft of the wind turbine 1 through a reduction gear set. In order to be practical, you can call up the load force you need. Use a wind turbine with a light load, a powerful motor, and a gear set with good power to make the motor reach the highest level and make the wind turbine produce high. Let small electric motors drive large wind turbines. For example, a two-kilowatt wind turbine is driven by a 1.1 kW electric motor. Two-thirds of the electric power generated by the wind turbine is used for the electric motor, and one-third of the electric energy is used. Electrical equipment provides electrical energy.
另一种实施方案：Another embodiment:
电动机的一端设有十字桨或大铁轮，电动机的另一端通齿轮组驱动发电机发电，发电机发出的电驱动电动机。其中发电机是超低速发电机，电动机以低速驱动发电机，同时以高速驱动十字桨或大铁轮，根据惯性原理十字桨或大铁轮在高速转动情况下减少电动机的负载力。另外，在十字桨上还设有四个重块。One end of the motor is provided with a cross paddle or a large iron wheel, and the other end of the motor drives the generator to generate electricity through the gear set, and the electric motor is driven by the generator. The generator is an ultra-low speed generator, the motor drives the generator at a low speed, and at the same time drives the cross paddle or the large iron wheel at a high speed, and the crutches or the large iron wheel reduce the load force of the motor under high speed rotation according to the principle of inertia. In addition, there are four heavy blocks on the cross paddle.

Claims (3)

  1. 一种新型发电设备，其特征是，该设备包括有风力发电机、控制器、蓄电模组、逆变器、变频器及电动机； A novel power generation device, characterized in that the device comprises a wind power generator, a controller, a power storage module, an inverter, a frequency converter and an electric motor;
    风力发电机，将风力作为动力，从而带动发电机将风能转化为电能输出；Wind power generator, which uses wind power as a power to drive the generator to convert wind energy into electric energy output;
    控制器，与风力发电机的电能输出端相连接，用于对风力发电机的电能输出状态进行调节控制；a controller, connected to the power output end of the wind power generator, for regulating and controlling the power output state of the wind power generator;
    蓄电模组，与控制器输出端连接，用于存储电能；a power storage module connected to the output end of the controller for storing electrical energy;
    逆变器，与蓄电模组连接，用于将蓄电模组中的直流电变为交流电，为用电设备提供工作电源；The inverter is connected to the power storage module and is configured to convert the direct current power in the power storage module into an alternating current to provide a working power supply for the electrical equipment;
    变频器，与逆变器的电源输出端连接，用于对逆变器的输出电源进行频率和幅度调节，实现对电动机软起动，变频调速目的；The frequency converter is connected with the power output end of the inverter, and is used for frequency and amplitude adjustment of the output power of the inverter to realize soft start of the motor and frequency conversion speed adjustment purpose;
    电动机，与变频器的输出端连接，电动机的驱动轮通过减速齿轮组与风力发电机的机轴连接。The motor is connected to the output end of the frequency converter, and the driving wheel of the motor is connected to the shaft of the wind power generator through the reduction gear set.
  2. 根据权利要求1所述的一种新型发电设备，其特征是，所述的电动机为三相异步电动机。A novel power plant according to claim 1 wherein said motor is a three-phase asynchronous motor.
  3. 根据权利要求1所述的一种新型发电设备，其特征是，所述蓄电模组包含有三组蓄并接蓄电池组。A novel power generating apparatus according to claim 1, wherein said power storage module comprises three sets of parallel battery packs.
PCT/CN2011/076814 2011-03-02 2011-07-04 Power-generating apparatus WO2012116532A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201120052626.9 2011-03-02
CN2011200526269U CN201956879U (en) 2011-03-02 2011-03-02 Novel generating equipment

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WO2012116532A1 true WO2012116532A1 (en) 2012-09-07

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Cited By (1)

* Cited by examiner, † Cited by third party
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GB2568942A (en) * 2017-12-01 2019-06-05 Babwe Barton Enterprises Ltd Energy collector

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