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    • 4. 发明申请
    • MODULAR, MULTI-CHANNEL, INTERLEAVED POWER CONVERTERS
    • 模块化,多通道,交互式电源转换器
    • WO2015108614A1
    • 2015-07-23
    • PCT/US2014/065741
    • 2014-11-14
    • ABB TECHNOLOGY AGAELOIZA, EddyBURGOS, RolandoDU, Yu
    • AELOIZA, EddyBURGOS, RolandoDU, Yu
    • H02M1/14H02M7/487H02M7/81
    • H02M7/68H02M1/08H02M1/12H02M1/14H02M1/42H02M7/487H02M7/493H02M7/81
    • A multi-phase power converter includes two or more multi-phase, bi-directional, multi-level, switching power converter subcircuits, connected in parallel at respective AC and DC sides, so as to provide a multi-channel, bi-directional, multi-level configuration. The AC sides of the switching converter subcircuits are directly coupled to one another and to a multi-phase AC input via series interface reactors, and the DC sides of the switching converter subcircuits are directly connected to one another and to a common split-capacitor bank at each level of the multi-level outputs of the switching converter subcircuits. A control circuit is configured to selectively control one or more switching semiconductor devices in each of the switching converter subcircuits. In some embodiments, the control circuit includes a closed-loop zero-sequence controller and a zero-sequence generator configured to eliminate circulating current among the switching converter subcircuits and to balance voltages across levels of the common split- capacitor bank.
    • 多相功率转换器包括在相应AC和DC侧并联连接的两个或更多个多相双向多电平开关功率转换器子电路,以便提供多通道,双向, 多级配置 开关转换器子电路的AC侧通过串联接口电抗器彼此直接耦合到多相交流输入端,并且开关转换器子电路的DC侧直接连接到公共分离电容器组 在开关转换器子电路的多电平输出的每个电平上。 控制电路被配置为选择性地控制每个开关转换器子电路中的一个或多个开关半导体器件。 在一些实施例中,控制电路包括闭环零序控制器和零序发生器,该零序发生器被配置为消除开关转换器子电路之间的循环电流并平衡跨公共分离电容器组的电平。
    • 5. 发明申请
    • INTERLEAVED MULTI-CHANNEL, MULTI-LEVEL, MULTI-QUADRANT DC-DC CONVERTERS
    • 多通道,多级多通道DC-DC转换器
    • WO2015108613A1
    • 2015-07-23
    • PCT/US2014/065702
    • 2014-11-14
    • ABB TECHNOLOGY AGDU, YuAELOIZA, EddyBURGOS, Rolando
    • DU, YuAELOIZA, EddyBURGOS, Rolando
    • H02M7/487H02M3/158H02M1/00
    • H02M3/158H02M1/08H02M1/14H02M3/1584H02M7/487H02M2001/0009H02M2001/0064H02M2001/0074H02M2003/1586
    • Direct-current-to-direct-current (DC-DC) power converters that include two or more multi-quadrant, multi-level, DC-DC, switching converter subcircuits, connected in parallel at respective input and output sides, so as to provide a multi-channel, multi-quadrant, multi-level configuration, are disclosed. The DC-DC power converters further include a control circuit configured to control the switching converter subcircuits so that corresponding switching semiconductors in each of the switching converter subcircuits are switched in an interleaved manner. In some embodiments, each of the switching converter subcircuits is a three-level, neutral-point-clamped, four-quadrant DC-DC converter circuit. In other embodiments, each of the switching converter subcircuits is a three-level, neutral-point-clamped, two-quadrant DC-DC converter circuit. In any of these embodiments, a filter capacitor may be connected between across a pair of output terminals at the output sides of the switching converter subcircuits.
    • 直流 - 直流(DC-DC)电力转换器,包括两个或多个多象限,多电平,DC-DC,开关转换器子电路,并联在相应的输入和输出侧,以便 提供多通道,多象限,多级配置,被披露。 DC-DC电力转换器还包括控制电路,其被配置为控制开关转换器子电路,使得交换转换器子电路中的每一个中的对应的开关半导体以交错方式被切换。 在一些实施例中,开关转换器子电路中的每一个是三电平中性点钳位的四象限DC-DC转换器电路。 在其他实施例中,开关转换器子电路中的每一个是三电平中性点钳位的两象限DC-DC转换器电路。 在这些实施例中的任何一个中,滤波电容器可以连接在开关转换器子电路的输出侧的一对输出端之间。
    • 6. 发明申请
    • PV SYSTEM HAVING DISTRIBUTED DC-DC-CONVERTERS
    • 具有分布式DC-DC转换器的光伏系统
    • WO2017048821A1
    • 2017-03-23
    • PCT/US2016/051700
    • 2016-09-14
    • ABB SCHWEIZ AGKIM, HongraeXU, JingDU, Yu
    • KIM, HongraeXU, JingDU, Yu
    • H02J9/00
    • H02J3/383Y02B10/14Y02E10/563Y02E10/58
    • A solar energy field having one or more solar energy assemblies is provided. The solar energy assemblies can each have a DC-DC converter which when used with a central converter maintains line voltage between the two below a regulatory threshold such as 80 Volts. The central converter can be a DC-AC converter or a DC-DC converter. Each of the DC-DC converters have or are coupled with an MPPT controller, and in some forms the DC-DC converters can include smart meter devices. Plug and play devices can be used between the DC-DC converters and the central converter. The central converter can provide power to an AC or DC grid within a dwelling such as a house.
    • 提供了具有一个或多个太阳能组件的太阳能场。 太阳能组件各自可以具有DC-DC转换器,当与中央转换器一起使用时,将两者之间的线路电压维持在诸如80V的调节阈值之下。 中央转换器可以是DC-AC转换器或DC-DC转换器。 每个DC-DC转换器具有或与MPPT控制器耦合,并且在一些形式中,DC-DC转换器可以包括智能电表装置。 可以在DC-DC转换器和中央转换器之间使用即插即用设备。 中央转换器可以为诸如房屋的住宅内的AC或DC电网提供电力。
    • 9. 发明申请
    • DOUBLE HEARING PROTECTION DEVICE
    • 双重听力保护装置
    • WO2008014172A2
    • 2008-01-31
    • PCT/US2007/073867
    • 2007-07-19
    • ADAPTIVE TECHNOLOGIES, INC.VAUDREY, Michael, A.SAUNDERS, WilliamDU, YuHAGER, Jonathan
    • VAUDREY, Michael, A.SAUNDERS, WilliamDU, YuHAGER, Jonathan
    • A61F11/06
    • A61F11/12A61F11/14
    • A double hearing protection system is disclosed. The earplug portion of the system contains a tether attachment mechanism that may be selectively attached to the interior of a circumaural hearing protector designed with the mating attachment. The tether retracts into the earcup when both the earplug and circumaural hearing protector are worn, ensuring that the earseal against the head is not broken by the retractable tether. The attachment point inside the ear cup mates to the end of the tether in a way that prevents foreign object damage in dangerous work environments, and limits the vibratory path from the earcup to the earplug through a flexible attachment mechanism. The benefit of both the earplug and earcup combined offers the double passive hearing protection for extreme noise environments while providing for a convenient means by which to achieve the double hearing protection and not compromise its performance through the attachment mechanism.
    • 公开了一种双重听​​力保护系统。 系统的耳塞部分包含系绳附接机构,该系绳附接机构可以选择性地附接到用配合附件设计的环绕式听力保护器的内部。 当耳塞和耳垂听力保护器都佩戴时,系绳缩回到耳罩中,确保耳塞抵抗头部不会被可伸缩系绳破坏。 耳罩内的附着点以防止危险工作环境中的异物损伤的方式配合到系绳的末端,并通过柔性连接机构限制从耳罩到耳塞的振动路径。 耳塞和耳机组合的优点为极端噪声环境提供了双重被动听觉保护,同时提供了实现双重听力保护并且不会通过附接机构损害其性能的便利手段。
    • 10. 发明申请
    • SUPERCAPACITOR DESALINATION DEVICES AND METHODS OF MAKING THE SAME
    • 超级脱盐装置及其制造方法
    • WO2007070594A2
    • 2007-06-21
    • PCT/US2006/047596
    • 2006-12-13
    • GENERAL ELECTRIC COMPANYWANG, ShengxianWEI, ChangCAO, LeiXIONG, RihuaCAI, WeiDU, Yu
    • WANG, ShengxianWEI, ChangCAO, LeiXIONG, RihuaCAI, WeiDU, Yu
    • C02F1/4691C02F1/441C02F2001/46133C02F2103/08Y02A20/131
    • The present invention relates to a hair curling iron that compresses and heats hair to create various waves or curls in hair wholly or partially and, more particularly, to a hair curling iron having a roller of various shapes, in which a plurality of heat pads may be provided inclined in a lower cover and, at the same time, a rotating roller is attached/detached or fixed to an upper cover, having various shapes such as a circle, quadrangle, hexagon, octagon, etc. so that the hair may come in contact between the heating pads and the rotating roller of various shapes, thus creating various hairstyles more effectively. Accordingly, the hair curling iron having a roller of various shapes of the present invention provides various effects in that it is possible not only for an experienced beauty artist but also for an individual to express a variety of hairstyles with various curls since the shape of the rotating roller is diversified, it provides an effect of facilitating the expression of an hairstyle in accordance with a user's taste, it prevents the hair from being damaged, and it is possible to express an exact hairstyle in accordance with the user's taste even with a weak force, thus satisfying the users' demand.
    • 提供超级电容器海水淡化池(16)。 电池(16)包括由导电材料形成的电极(24,26),其被配置为在电池的充电状态下吸收离子并且在电池的放电状态下解吸离子。 导电材料包括导电复合材料。 绝缘间隔件(28)设置在两个电极(24,26)之间,并且被配置为将一个电极与另一个电极电隔离。 此外,电池(16)包括耦合到第一电极(24)的第一集电器(30)和耦合到第二电极(26)的第二集电器(26)。 此外,能量回收转换器可以与电池操作地相关联并且被配置为在从充电状态转换到放电状态的同时恢复由电池释放的能量。 转换器被配置为在电池的放电状态下将恢复的能量的至少一部分转移到电网。