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1. 发明公开

EP1743414A4 COIL SWITCHING CIRCUIT FOR LINEAR ELECTRIC GENERATOR 有权
标题翻译： SPULENUMSCHALTSCHALTUNG对于线性发电机
公开(公告)号：EP1743414A4
公开(公告)日：2014-01-22
申请号：EP05729874
申请日：2005-03-15
申请人： OCEAN POWER TECHNOLOGIES INC
发明人： STEWART DAVID B , SMALSER PAUL , SCHANZER HENRY I
IPC分类号： F03B13/20 , B60L7/00 , F03B13/18 , H02K3/28 , H02K7/18 , H02K35/02 , H02K41/00 , H02K41/03 , H02P3/22 , H02P9/00 , H02P25/06
CPC分类号： H02K41/031 , F03B13/1845 , F05B2220/7068 , H02K3/28 , H02P9/00 , H02P25/06 , Y02E10/38

2. 发明公开

EP1436505A4 SWITCHED RESONANT POWER CONVERSION ELECTRONICS 有权
标题翻译：开关谐振电源转换电子
公开(公告)号：EP1436505A4
公开(公告)日：2006-09-06
申请号：EP02759171
申请日：2002-07-15
申请人： OCEAN POWER TECHNOLOGIES INC
发明人： BURNS JOSEPH R DI , SMALSER PAUL , TAYLOR GEORGE W , WELSH THOMAS R
IPC分类号： F03B13/14 , H01L41/04 , H01L41/08 , H01L41/09 , H01L41/113 , H02N2/00 , H02N2/18 , H03K17/96 , F03B13/12 , F03C2/08
CPC分类号： H02N2/181 , Y02E10/38
摘要： A transducer (22) operated as power generating device is driven at a low frequency and collects energy at the low frequency rate. The collected energy is extracted at a much higher frequency. Extracting the energy at a higher frequency enables the use of components, such as inductors (26-L1) having reasonable values and si zes. In one embodiment, a power extracting circuit (24) which includes elements designed to resonate with the transducer (22) at a higher frequency than the frequency at which the transducer (22) is being driven is periodically switched in circuit with the transducer (22). Thus, the electric power generator device operated and controlled by a slowly changing source of energy (e.g., ocean waves, wind, eddies of water) may develop energy at one frequency and may be operated to transfer the energy at another frequency.

3. 发明公开

EP1425510A4 APPARATUS AND METHOD FOR OPTIMIZING THE POWER TRANSFER PRODUCED BY A WAVE ENERGY CONVERTER (WEC) 有权
标题翻译： VORRICHTUNG UND VERFAHREN ZUR OPTIMIERUNG DER DURCH EINEN WELLENENERGIEUMWANDLER ERZEUGTENKRAFTÜBERTRAGUNG
公开(公告)号：EP1425510A4
公开(公告)日：2004-09-29
申请号：EP02768448
申请日：2002-08-05
申请人： OCEAN POWER TECHNOLOGIES INC
发明人： BURNS JOSEPH R , SMALSER PAUL , TAYLOR GEORGE W , WELSH THOMAS R
IPC分类号： F03B13/14 , F03B13/12 , F03B13/16 , F03B13/20 , F03B13/26
CPC分类号： F03B13/148 , Y02E10/38
摘要： A wave energy converter (WEC) including an electric generator (42) for capturing energy contained in ocean waves and converting it to electrical energy at the output of the electric generator (42) may be characterized as an effective capacitive or inductive element; systems embodying the invention include an inductive or capacitive element inserted in the circuit between the output of the electric generator (42) and a load (60) in order to achieve resonance with the effective capacitance 'inductance' of the WEC and so as to increase the efficiency of the power transfer to the load (60); in certain embodiments the load (60) coupled to the system has a optimum value which is made a function of the frequency of the ocean waves and the effective capacitance or inductance; the effective capacitance 'inductance' of the converter (40a) varies as a function of the frequency of the ocean waves; accordingly, systems embodying the invention may include a controller (54) for varying the load (60) and/or the inductive 'capacitive' element coupled in the system resonate with the converter (54) for increasing the efficiency of the system.
摘要翻译：包括用于捕获包含在海浪中的能量并将其转换成发电机（42）的输出处的电能的发电机（42）的波能转换器（WEC）可以被表征为有效的电容或电感元件; 体现本发明的系统包括插入在发电机（42）的输出端和负载（60）之间的电路中的电感或电容元件，以实现与WEC的有效电容“电感”的谐振并且增加向负载（60）传输功率的效率; 在某些实施例中，耦合到系统的负载（60）具有作为海浪频率和有效电容或电感的函数的最佳值; 转换器（40a）的有效电容“电感”作为海浪频率的函数而变化; 相应地，体现本发明的系统可以包括用于改变负载（60）的控制器（54）和/或耦合到系统中的感应“电容”元件与转换器（54）共振以提高系统的效率。

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