会员体验
专利管家(专利管理)
工作空间(专利管理)
风险监控(情报监控)
数据分析(专利分析)
侵权分析(诉讼无效)
联系我们
交流群
官方交流:
QQ群: 891211   
微信请扫码    >>>
现在联系顾问~
热词
    • 5. 发明申请
    • SYSTEM AND METHOD FOR REDUCING HARMONIC DISTORTION
    • 减少谐波失真的系统和方法
    • US20130175878A1
    • 2013-07-11
    • US13555120
    • 2012-07-21
    • JOHN BRADFORD JANIK
    • JOHN BRADFORD JANIK
    • H02J3/01
    • H02J3/01H02J3/1842H02J3/185H02J4/00Y02E40/22Y02E40/24
    • A method is disclosed including but not limited to supplying a voltage waveform from a higher power electrical bus to a lower power electrical bus; sensing on the lower power electrical bus, a deviation from a sinusoidal voltage waveform in the voltage waveform supplied from the higher power electrical bus; generating a correction current to adjust the deviation in the voltage on the lower power bus to a substantially sinusoidal voltage waveform; and filtering the correction current to substantially attenuate the correction current from propagating through the filter from the lower power electrical bus to the higher power electrical bus. A system is disclosed for performing the method.
    • 公开了一种方法,包括但不限于将电力波形从较高功率电力总线提供给较低功率电力总线; 在较低功率电气总线上感测到与从较高功率电力总线提供的电压波形中的正弦电压波形的偏差; 产生校正电流以将低功率总线上的电压的偏差调整到基本上正弦的电压波形; 并且对所述校正电流进行滤波以使所述校正电流从所述低功率电气总线传播到所述较高功率电气总线,从而传播通过所述滤波器。 公开了一种用于执行该方法的系统。
    • 7. 发明授权
    • Three phase power factor correction device and method
    • 三相功率因数校正装置及方法
    • US5465040A
    • 1995-11-07
    • US127142
    • 1993-09-23
    • Hemtong Yasotornrat
    • Hemtong Yasotornrat
    • H02J3/18H02M1/00H02M1/42G05F1/70
    • H02M1/4216H02J3/18H02J3/185H02M2001/007Y02B70/126Y02E40/24Y02E40/30Y02P80/112
    • In one form of the invention, a method for improving power factor in a multiple phase power distribution system coupled to a load is disclosed, comprising the steps of (a) sensing an actual voltage of each of the multiple phases, (b) sensing an actual current being sourced by each of the multiple phases, (c) calculating an ideal current value for each of the multiple phases such that each the ideal current is in phase with a respective one of the actual voltages, (d) coupling at least one energy storage device for sinking current from at least one of the multiple phases wherein the actual current is less than the ideal current and (e) coupling the energy storage device for sourcing current to at least one of the multiple phases wherein the actual current is greater than the ideal current. Other systems, devices and methods are disclosed.
    • 在本发明的一种形式中,公开了一种用于改善耦合到负载的多相配电系统中的功率因数的方法,包括以下步骤:(a)检测多相中的每一个的实际电压,(b)感测 实际电流由多个相位中的每一个产生,(c)计算多个相位中的每一个的理想电流值,使得每个理想电流与相应的一个实际电压同相,(d)耦合至少一个 能量存储装置,用于从多个相中的至少一个点吸收电流,其中所述实际电流小于所述理想电流;以及(e)将所述能量存储装置耦合以将所述电流供应到所述多个相中的至少一个,其中所述实际电流较大 比理想电流。 公开了其它系统,装置和方法。
    • 10. 发明申请
    • GENERATING APPARATUS AND CONTROL METHOD THEREOF
    • 产生装置及其控制方法
    • US20120035774A1
    • 2012-02-09
    • US12601153
    • 2009-05-01
    • Akira Yasugi
    • Akira Yasugi
    • G06F1/28
    • H02P9/102H02J3/16H02J3/185H02J3/386H02P2101/15Y02E10/763Y02E40/24Y02E40/34Y10T307/328Y10T307/359Y10T307/707
    • Voltage of a utility grid is reliably and swiftly restored, which decreased due to a utility grid failure or the like, to reference voltage. A generator is connected to a utility grid. A voltage detecting section detects voltage of a utility grid. A control section determines reactive current corresponding to the voltage obtained from the voltage detecting section based on voltage current correlation information in which the voltage of the utility grid and the reactive current to be supplied to the utility grid are correlated with each other. An electric power converting section regulates the reactive current to be supplied to or absorbed from the utility grid. An information changing section changes the voltage current correlation information to increase an amount of the reactive current with respect to a variation in the voltage in the voltage current correlation information, in the case where the voltage of the utility grid is not in a predetermined range set in advance after a predetermined time period has passed since the voltage of the utility grid varied by a predetermined amount.
    • 公用电网的电压可靠且迅速地恢复,由于公用电网故障等而降低到参考电压。 发电机连接到公用电网。 电压检测部检测公用电网的电压。 控制部基于电力电流相关信息来确定与从电压检测部获得的电压对应的无功电流,其中公用电网的电压和供给到公用电网的无功电流彼此相关。 电力转换部分调节供电给电网或从公用电网吸收的无功电流。 在公用电网的电压不在预定范围内的情况下,信息改变部分改变电压电流相关信息以增加相对于电压电流相关信息中的电压变化的无功电流量 在公用电网的电压变化预定量之后经过预定时间段之后,预先提前。