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公开(公告)号：US07948217B2
公开(公告)日：2011-05-24
申请号：US12691790
申请日：2010-01-22
CPC分类号： H02J3/24 , H02J3/386 , Y02E10/763
摘要： A distributed generation system that can suppress a voltage fluctuation caused by a distributed generation by an apparatus of a small power capacity in the distributed generation itself and stabilize the power system voltage without inserting interharmonic voltage or current into the power system and without interference among a plurality of distributed generations. Parameter α(t) varying with time is estimated based on fluctuating component ΔP of the active power P generated by the distributed generation and the voltage fluctuating component ΔV attributable to the distributed generation developed at the point of connection between the distributed generation and power system. The distributed generation produces reactive power Q=−αP or Q=−αΔP, to thereby suppresses only the voltage fluctuation of the power system attributable to the distributed generation.
摘要翻译： 一种分布式发电系统，其可以抑制由分布式发电本身中的小功率容量的装置的分布式发电引起的电压波动，并且稳定电力系统电压，而不将间谐波电压或电流插入到电力系统中，并且在多个 的分布式世代。 基于由分布式发电产生的有功功率P的波动分量＆Dgr; P，以及归因于在分布式发电之间的连接点产生的分布式发电的电压波动分量＆Dgr; V来估计随时间变化的参数α（t） 和电力系统。 分布式发电产生无功功率Q =-αP或Q =-α＆Dgr; P，从而仅抑制归因于分布式发电的电力系统的电压波动。
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公开(公告)号：US07728451B2
公开(公告)日：2010-06-01
申请号：US11954453
申请日：2007-12-12
CPC分类号： F03D7/028 , F03D9/255 , F05B2220/70642 , H02P9/007 , H02P21/22 , H02P2101/15 , Y02E10/725
摘要： A wind power generation system includes: a wind turbine in which at least one blade is mounted on an axis; a generator for generating multiphase alternating current power by rotation of the axis; and a multiphase power conversion device for performing PWM-control for adjustment and output of generated power of the generator. With the configuration, the PWM-control provides for each phase a control paused period in which no overlap occurs. Thus, the pulse density between the control period and the control paused period of other phases is low, thereby generating high and low density in an inter-phase pulse.
摘要翻译： 风力发电系统包括：风力涡轮机，其中至少一个叶片安装在轴上; 用于通过所述轴的旋转产生多相交流电力的发电机; 以及用于执行用于调整和输出发电机的发电功率的PWM控制的多相电力转换装置。 通过该配置，PWM控制为每个阶段提供一个不发生重叠的控制暂停时段。 因此，控制周期与其他相的控制暂停时间之间的脉冲密度低，从而在相间脉冲中产生高和低密度。
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公开(公告)号：US07663348B2
公开(公告)日：2010-02-16
申请号：US11586540
申请日：2006-10-26
CPC分类号： H02J3/24 , H02J3/386 , Y02E10/763
摘要： A distributed generation system that can suppress a voltage fluctuation caused by a distributed generation by an apparatus of a small power capacity in the distributed generation itself and stabilize the power system voltage without inserting interharmonic voltage or current into the power system and without interference among a plurality of distributed generations. Parameter α(t) varying with time is estimated based on fluctuating component ΔP of the active power P generated by the distributed generation and the voltage fluctuating component ΔV attributable to the distributed generation developed at the point of connection between the distributed generation and power system. The distributed generation produces reactive power Q=−αP or Q=−αΔP, to thereby suppresses only the voltage fluctuation of the power system attributable to the distributed generation.
摘要翻译： 一种分布式发电系统，其可以抑制由分布式发电本身中的小功率容量的装置的分布式发电引起的电压波动，并且稳定电力系统电压，而不将间谐波电压或电流插入到电力系统中，并且在多个 的分布式世代。 基于由分布式发电产生的有功功率P的波动分量ΔP和归因于在分布式发电和电力系统之间的连接点产生的分布式发电的电压波动分量DeltaV来估计随时间变化的参数α（t）。 分布式发电产生无功功率Q = -alphaP或Q = -alphaDeltaP，从而仅抑制归因于分布式发电的电力系统的电压波动。
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公开(公告)号：US20070262583A1
公开(公告)日：2007-11-15
申请号：US11774868
申请日：2007-07-09
CPC分类号： H02P9/006 , F03D7/0272 , F03D7/028 , F03D7/042 , F03D9/25 , F03D9/255 , F05B2270/1016 , F05B2270/1033 , F05B2270/327 , G09G2320/064 , H02J3/386 , H02P2101/15 , Y02E10/723 , Y02E10/725 , Y02E10/763
摘要： A wind turbine generator system can regulate the rotational velocity of the wind turbine within an operation range even when the wind velocity suddenly changes and can perform continuous operation of the wind turbine. The wind turbine generator system includes a generator connected to the shaft of the wind turbine and a converter connected to the generator. When the rotational velocity of the wind turbine is within a predetermined range, power outputted from the generator is controlled so as to follow the instruction concerning the generator output given from the wind turbine to the converter. When the rotational velocity of the wind turbine is out of the predetermined range, the power outputted from the generator is controlled without following the instruction concerning generator output given from the wind turbine to the converter.
摘要翻译： 风力发电机系统即使当风速突然变化并且可以执行风力涡轮机的连续运行时，也可以在运行范围内调节风力涡轮机的旋转速度。 风力发电机系统包括连接到风力涡轮机的轴的发电机和连接到发电机的转换器。 当风力涡轮机的旋转速度在预定范围内时，控制从发电机输出的功率，以便遵循关于从风力涡轮机给转换器的发电机输出的指令。 当风力涡轮机的旋转速度超出预定范围时，从发电机输出的功率被控制，而不用遵循关于从风力涡轮机向转换器给出的发电机输出的指令。
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公开(公告)号：US07268443B2
公开(公告)日：2007-09-11
申请号：US11196250
申请日：2005-08-04
CPC分类号： H02P9/006 , F03D7/0272 , F03D7/028 , F03D7/042 , F03D9/25 , F03D9/255 , F05B2270/1016 , F05B2270/1033 , F05B2270/327 , G09G2320/064 , H02J3/386 , H02P2101/15 , Y02E10/723 , Y02E10/725 , Y02E10/763
摘要： A wind turbine generator system can regulate the rotational velocity of the wind turbine within an operation range even when the wind velocity suddenly changes and can perform continuous operation of the wind turbine. The wind turbine generator system includes a generator connected to the shaft of the wind turbine and a converter connected to the generator. When the rotational velocity of the wind turbine is within a predetermined range, power outputted from the generator is controlled so as to follow the instruction concerning the generator output given from the wind turbine to the converter. When the rotational velocity of the wind turbine is out of the predetermined range, the power outputted from the generator is controlled without following the instruction concerning generator output given from the wind turbine to the converter.
摘要翻译： 风力发电机系统即使当风速突然变化并且可以执行风力涡轮机的连续运行时，也可以在运行范围内调节风力涡轮机的旋转速度。 风力发电机系统包括连接到风力涡轮机的轴的发电机和连接到发电机的转换器。 当风力涡轮机的旋转速度在预定范围内时，控制从发电机输出的功率，以便遵循关于从风力涡轮机给转换器的发电机输出的指令。 当风力涡轮机的旋转速度超出预定范围时，从发电机输出的功率被控制，而不用遵循关于从风力涡轮机向转换器给出的发电机输出的指令。
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公开(公告)号：US07952216B2
公开(公告)日：2011-05-31
申请号：US12582199
申请日：2009-10-20
CPC分类号： H02P9/006 , F03D7/0272 , F03D7/028 , F03D7/042 , F03D9/25 , F03D9/255 , F05B2270/1016 , F05B2270/1033 , F05B2270/327 , G09G2320/064 , H02J3/386 , H02P2101/15 , Y02E10/723 , Y02E10/725 , Y02E10/763
摘要： A wind turbine generator system can regulate the rotational velocity of the wind turbine within an operation range even when the wind velocity suddenly changes and can perform continuous operation of the wind turbine. The wind turbine generator system includes a generator connected to the shaft of the wind turbine and a converter connected to the generator. When the rotational velocity of the wind turbine is within a predetermined range, power outputted from the generator is controlled so as to follow the instruction concerning the generator output given from the wind turbine to the converter. When the rotational velocity of the wind turbine is out of the predetermined range, the power outputted from the generator is controlled without following the instruction concerning generator output given from the wind turbine to the converter.
摘要翻译： 风力发电机系统即使当风速突然变化并且可以执行风力涡轮机的连续运行时，也可以在运行范围内调节风力涡轮机的旋转速度。 风力发电机系统包括连接到风力涡轮机的轴的发电机和连接到发电机的转换器。 当风力涡轮机的旋转速度在预定范围内时，控制从发电机输出的功率，以便遵循关于从风力涡轮机给转换器的发电机输出的指令。 当风力涡轮机的旋转速度超出预定范围时，从发电机输出的功率被控制，而不用遵循关于从风力涡轮机向转换器给出的发电机输出的指令。
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公开(公告)号：US07952214B2
公开(公告)日：2011-05-31
申请号：US12128121
申请日：2008-05-28
CPC分类号： H02P9/10 , F03D9/255 , F03D17/00 , H02P29/0241 , H02P2101/15 , Y02E10/725
摘要： A wind power generation system temporarily stops a power converter when a system disturbance occurs, and reactivates the power converter after detecting a solution of the problem of an influence (overcurrent of a stator, direct current component of a stator, overcurrent of a rotor, etc.) of a fault occurring in a doubly-fed generator during a system fault. During a system fault, a reactive current can be safely output from a doubly-fed generator to an electric power system without destroying equipment of the wind power generation system.
摘要翻译： 风力发电系统在发生系统故障时暂时停止电力转换器，并且在检测到影响问题的解决方案（定子的过电流，定子的直流分量，转子的过电流等）之后重新启动电力转换器 ）在系统故障期间发生在双馈发电机中的故障。 在系统故障期间，无功电流可以安全地从双馈发电机输出到电力系统，而不会破坏风力发电系统的设备。
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18.发明授权公开(公告)号：US07733066B2
公开(公告)日：2010-06-08
申请号：US12270175
申请日：2008-11-13
IPC分类号： H02P9/44
CPC分类号： H02P9/42 , H02P9/007 , H02P2101/15
摘要： A power generation apparatus and method includes an AC energization synchronous generator, a switching device which connects to a network disposed on a stator side of the AC energization synchronous generator, an energizing device which applies a variable frequency AC to a secondary winding of the AC energization synchronous generator, and a first voltage detection unit which detects a voltage of the switching device on the stator side. A rotational frequency of the AC energization synchronous generator is estimated or calculated based on a frequency of a stator side voltage of the switching device, while the switching device is open.
摘要翻译： 一种发电装置和方法，包括交流通电同步发电机，连接到设置在交流通电同步发电机的定子侧的网络的开关装置，向交流通电次级绕组施加变频交流的通电装置 同步发电机和检测定子侧的开关装置的电压的第一电压检测单元。 交流通电同步发电机的转速在切换装置断开时，基于开关装置的定子侧电压的频率来推定或计算。
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公开(公告)号：US20080143111A1
公开(公告)日：2008-06-19
申请号：US11954453
申请日：2007-12-12
CPC分类号： F03D7/028 , F03D9/255 , F05B2220/70642 , H02P9/007 , H02P21/22 , H02P2101/15 , Y02E10/725
摘要： A wind power generation system includes: a wind turbine in which at least one blade is mounted on an axis; a generator for generating multiphase alternating current power by rotation of the axis; and a multiphase power conversion device for performing PWM-control for adjustment and output of generated power of the generator. With the configuration, the PWM-control provides for each phase a control paused period in which no overlap occurs. Thus, the pulse density between the control period and the control paused period of other phases is low, thereby generating high and low density in an inter-phase pulse.
摘要翻译： 风力发电系统包括：风力涡轮机，其中至少一个叶片安装在轴上; 用于通过所述轴的旋转产生多相交流电力的发电机; 以及用于执行用于调整和输出发电机的发电功率的PWM控制的多相电力转换装置。 通过该配置，PWM控制为每个阶段提供一个不发生重叠的控制暂停时段。 因此，控制周期与其他相的控制暂停时间之间的脉冲密度低，从而在相间脉冲中产生高和低密度。
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公开(公告)号：US20070216165A1
公开(公告)日：2007-09-20
申请号：US11654684
申请日：2007-01-18
申请人： Shinya Oohara , Masaya Ichinose , Motoo Futami , Mitsugu Matsutake , Kazumi Fujii , Kazumasa Ide , Takeyuki Itabashi , Junji Tamura
发明人： Shinya Oohara , Masaya Ichinose , Motoo Futami , Mitsugu Matsutake , Kazumi Fujii , Kazumasa Ide , Takeyuki Itabashi , Junji Tamura
IPC分类号： H02P9/04
CPC分类号： H02P9/00 , C25B15/02 , F03D7/0224 , F03D7/0244 , F03D7/026 , F03D7/0272 , F03D7/0276 , F03D7/042 , F03D9/00 , F03D9/25 , F05B2220/61 , F05B2220/7068 , F05B2270/705 , H02P9/08 , H02P2101/15 , Y02E10/723 , Y02E10/725 , Y02E70/10 , Y02P20/133
摘要： A wind turbine-driven hydrogen production system controlling a power converter system such that the wind turbine stays in its operable range for a longer time and thus the hydrogen production system produces hydrogen for a longer time. The wind turbine-driven hydrogen production system varies an amount of electrical current supplied to an electrolytic hydrogen production system according to the rotational speed of the wind turbine to reduce variations in the rotational speed. Furthermore, the pitch angle of the wind turbine varies according to the speed. Thus, variations in the speed of the wind turbine can be reduced. A permanent-magnet generator is used as the electricity generator of the wind turbine to obtain a power supply at start-up. Alternatively, a power storage system used as assistive equipment at start-up is supplementarily added or only a power supply for the controllers is supplied from a system.
摘要翻译： 风力涡轮机驱动的氢气生产系统控制功率转换器系统，使得风力涡轮机在较长时间内保持在其可操作范围内，因此氢气生产系统产生较长时间的氢气。 风力涡轮机驱动的氢气生产系统根据风力涡轮机的转速改变提供给电解氢生产系统的电流量，以减小转速的变化。 此外，风力涡轮机的俯仰角根据速度而变化。 因此，可以降低风力涡轮机的速度的变化。 永磁发电机用作风力发电机的发电机，以在启动时获得电源。 或者，辅助地添加在启动时用作辅助设备的蓄电系统，或者仅从系统提供用于控制器的电源。
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