-
公开(公告)号：US20160164289A1
公开(公告)日：2016-06-09
申请号：US15042661
申请日：2016-02-12
Applicant: TOYOTA JIDOSHA KABUSHIKI KAISHA
Inventor： Hichirosai OYOBE , Tetsuhiro ISHIKAWA , Yukihiro MINEZAWA , Hitoshi SATO
CPC classification number: H02J3/08 , B60L1/00 , B60L50/10 , B60L2210/20 , B60W10/08 , H02J3/005 , H02J7/0027 , H02J9/062 , Y02T10/7055 , Y02T10/725 , Y10S903/903
Abstract: An electric-power supply system includes a plurality of vehicles each configured to supply AC electric power to an electric load external to the vehicles, and a switching apparatus provided between the electric load and the plurality of vehicles and that electrically connects one of the vehicles to the electric load. Each of the vehicles includes an internal combustion engine, an electric-power generation device that generates the AC electric power to be supplied to the electric load using output of the internal combustion engine, and a controller controlling the electric-power generation device, when power supply to the electric load is switched by the switching apparatus from one of the vehicles to the vehicle having the controller, to generate the AC electric power in synchronization with a phase of AC voltage which has been output from the one of the vehicles that previously supplied the AC electric power.
Abstract translation: 电力供给系统包括：多个车辆，其被配置为向车辆外部的电力负载提供AC电力;以及开关装置，其设置在所述电力负载和所述多个车辆之间，并且将所述车辆之一电连接到 电力负荷。 每个车辆包括内燃机，发电装置，其利用内燃机的输出产生供给电力负荷的交流电力;以及控制电力发电装置的控制器，当电力 电力负载的供给由交换装置从其中一个车辆切换到具有控制器的车辆，以与从先前提供的车辆中的一个车辆输出的AC电压的相位同步地产生AC电力 交流电源。
-
公开(公告)号：US20150326160A1
公开(公告)日：2015-11-12
申请号：US14705409
申请日：2015-05-06
Applicant: ALSTOM Technology Ltd
Inventor： Luis DIEZ-MAROTO , Luis ROUCO-RODRIGUEZ , Fidel FERNANDEZ-BERNAL , Idriss EL-MERDOUI
IPC: H02P9/02
Abstract: The present invention relates to the field of generator technology. It is an object of the invention to control the stability in an electric grid in which a plurality of generators are connected providing electric power to the grid. A static exciter system includes a control device for controlling the field voltage of the field winding of at least two generators connected to a grid system via a busbar.
Abstract translation: 本发明涉及发电机技术领域。 本发明的目的是控制电网中的稳定性，其中多个发电机连接到电网上以提供电力。 静态励磁机系统包括控制装置，用于控制通过母线连接到电网系统的至少两个发电机的励磁绕组的励磁电压。
-
公开(公告)号：US09166409B2
公开(公告)日：2015-10-20
申请号：US13534120
申请日：2012-06-27
Applicant: Shailender Singireddy , Sridhar Nedunsezian , Balakrishna Pamulaparthy
Inventor： Shailender Singireddy , Sridhar Nedunsezian , Balakrishna Pamulaparthy
CPC classification number: H02J3/24 , G01R29/18 , H02J3/08 , H02J3/26 , Y10T307/839
Abstract: A system and method to perform automatic phase reversal detection are described. The system includes a first subsystem and a second subsystem configured to be synchronized with the first subsystem. A controller is configured to receive a first input from the first subsystem or the second subsystem and a second input from the first subsystem or the second subsystem and perform phase reversal detection based on the first input and the second input.
Abstract translation: 描述了执行自动相位检测的系统和方法。 该系统包括被配置为与第一子系统同步的第一子系统和第二子系统。 控制器被配置为从第一子系统或第二子系统接收第一输入，并且从第一子系统或第二子系统接收第二输入，并且基于第一输入和第二输入执行相位检测。
-
公开(公告)号：US20150244210A1
公开(公告)日：2015-08-27
申请号：US14186159
申请日：2014-02-21
Applicant: General Electric Company
Inventor： YASHOMANI KOLHATKAR , Pradeep Vijayan , Silvio Colombi , Rajendra Naik , Viswanathan Kanakasabai
CPC classification number: H02J9/062 , G06F1/26 , G06F1/30 , H02J3/08 , H02J2009/068 , H02M5/42 , Y10T307/344
Abstract: A system is provided. The system includes a plurality of uninterruptible power supplies (UPSs), a ring bus, at least one load electrically coupled to the plurality of UPSs and the ring bus, and a controller communicatively coupled to the plurality of UPSs. The controller is configured to calculate a phase angle for each UPS of the plurality of UPSs, wherein the phase angle is calculated relative to a common reference angle, and control operation of each UPS based on the respective calculated phase angles.
Abstract translation: 提供了一个系统。 该系统包括多个不间断电源（UPS），环形总线，电耦合到多个UPS和环形总线的至少一个负载，以及通信地耦合到多个UPS的控制器。 控制器被配置为计算多个UPS的每个UPS的相位角，其中相对于公共参考角计算相位角，并且基于相应计算的相位角控制每个UPS的操作。
-
公开(公告)号：US20130002014A1
公开(公告)日：2013-01-03
申请号：US13524680
申请日：2012-06-15
Applicant: Gareth E. MOORE , Jason E. HILL , Seamus GARVEY
Inventor： Gareth E. MOORE , Jason E. HILL , Seamus GARVEY
CPC classification number: H02J3/40 , B64D2221/00 , H02J3/08 , H02J3/34 , H02J3/381 , Y10T307/305 , Y10T307/718
Abstract: An electrical generating system for aircraft with one or more engines includes a plurality of generators associated with the engines so as to produce respective AC outputs. The frequencies of these outputs can differ from each other, as a result of differing engine speeds and/or deliberate design, but they are to be connected to a common bus to avoid redundancy of wiring. One or more converters are present between the generators and the bus for adjusting the output frequency of the generators to provide an AC output voltage at a common bus frequency. The system includes a control system for setting the AC bus frequency in such a way that it can vary with time. The bus frequency may follow the natural frequency of the engine, and only small converters are needed to make the already approximately equal generator frequencies identical, so that they can all feed the common bus.
Abstract translation: 具有一个或多个发动机的飞行器的发电系统包括与发动机相关联的多个发电机，以产生相应的AC输出。 由于不同的发动机转速和/或故意的设计，这些输出的频率可能彼此不同，但是它们将被连接到公共总线，以避免布线的冗余。 在发电机和总线之间存在一个或多个转换器，用于调整发电机的输出频率以在公共总线频率处提供AC输出电压。 该系统包括用于设置AC总线频率的控制系统，使得其可随时间变化。 总线频率可以遵循发动机的固有频率，并且仅需要小的转换器来使已经大致相等的发生器频率相同，使得它们都可以馈送公共总线。
-
Patent Agency Ranking
公开(公告)号：US20120139354A1
公开(公告)日：2012-06-07
申请号：US12961048
申请日：2010-12-06
Applicant: Waleed M. Said
Inventor： Waleed M. Said
IPC: H02J3/08
CPC classification number: H02J3/34 , H02J3/08 , Y10T307/511 , Y10T307/718 , Y10T307/735
Abstract: A method for no break power transfer in a variable frequency power generating system, the power generating system comprising a first bus connected to a first generator and a second bus connected to a second generator includes configuring a power transfer device to output power that is synchronized to match a voltage and a frequency of the second bus to the second bus; reconfiguring the power transfer device to output power that is synchronized to match a voltage and a frequency of the first bus to the second bus; and closing a tie switch located between the first bus and the second bus.
Abstract translation: 一种在变频发电系统中不中断功率传输的方法，所述发电系统包括连接到第一发电机的第一总线和连接到第二发电机的第二总线，包括配置电力传输装置以输出与 将所述第二总线的电压和频率与所述第二总线相匹配; 重新配置功率传输装置以输出同步以将第一总线的电压和频率匹配到第二总线的功率; 并且关闭位于第一总线和第二总线之间的连接开关。
-
公开(公告)号：US08093739B2
公开(公告)日：2012-01-10
申请号：US12351416
申请日：2009-01-09
Applicant: George Martin Gilchrist, III , Erik Matthew Ogburn
Inventor： George Martin Gilchrist, III , Erik Matthew Ogburn
IPC: F03D9/00
CPC classification number: H02J3/08 , H02P9/007 , H02P9/48 , H02P2101/10 , H02P2101/15 , Y02E10/725
Abstract: A system for modulating a frequency output of a generator coupled to an electric distribution network is described herein. The system includes: a doubly-fed induction generator coupled to a power source selected from at least one of hydropower and fuel combustion, the generator providing an electrical power output having a first frequency based on a rotational speed of the generator; a controller for selecting the rotational speed of the generator; and a converter coupled to the generator for changing the frequency of the output to a selected value, in response to selecting the rotational speed. Methods for modulating a frequency output of a generator coupled to an electric distribution network are also described.
Abstract translation: 本文描述了用于调制耦合到配电网络的发电机的频率输出的系统。 该系统包括：耦合到从水力发电和燃料燃烧中的至少一个中选择的电源的双馈感应发电机，所述发电机基于发电机的转速提供具有第一频率的电功率输出; 用于选择发电机的转速的控制器; 以及耦合到所述发生器的转换器，用于响应于选择所述转速而将所述输出的频率改变为所选择的值。 还描述了用于调制耦合到配电网络的发电机的频率输出的方法。
-
公开(公告)号：US20110043045A1
公开(公告)日：2011-02-24
申请号：US12554057
申请日：2009-09-04
Applicant: Jianchun Qin
Inventor： Jianchun Qin
IPC: H02J3/00
CPC classification number: H02J3/08 , Y10T307/724 , Y10T307/735
Abstract: Disclosed herein are systems and methods for converting data samples representing alternating electric currents. The data samples may be obtained by sampling a first alternating electric current having a first frequency at a sampling frequency, sampling a second alternating electric current having a second frequency at the sampling frequency, and converting the data samples using a conversion algorithm to compensate for any discrepancy caused by the difference between the first frequency and the second frequency. The corrected data samples may be utilized to determine various characteristics of the alternating electric current, such as voltage magnitude, voltage phase angle, current magnitude, current phase angle, and other related attributes. In one application, the systems and methods disclosed herein may be utilized in connection with an intelligent electronic device used to couple a first electrical system, such as a power generator, to a second electrical system, such as a utility intertie.
Abstract translation: 本文公开了用于转换表示交流电流的数据样本的系统和方法。 可以通过以采样频率对具有第一频率的第一交流电流进行采样来获得数据样本，以采样频率对具有第二频率的第二交流电进行采样，并使用转换算法来转换数据样本以补偿任何 第一频率与第二频率之间的差异引起的差异。 校正的数据样本可用于确定交流电的各种特性，例如电压幅度，电压相位角，电流幅度，电流相位角以及其它相关属性。 在一个应用中，本文公开的系统和方法可以与用于将第一电气系统（例如发电机）耦合到诸如公用设施间的第二电气系统的智能电子设备结合使用。
-
29.发明申请公开(公告)号：US20090198383A1
公开(公告)日：2009-08-06
申请号：US12363049
申请日：2009-01-30
Applicant: Robert Matthew Gardner , Zhian Zhong , Yilu Liu
Inventor： Robert Matthew Gardner , Zhian Zhong , Yilu Liu
IPC: G06F1/28
CPC classification number: H02J3/08 , H02J3/38 , H02J2003/388
Abstract: A system for detecting and locating a disturbance event within a power grid includes a series of frequency disturbance recorders (FDRs) taking measurements in the power grid at dispersed points of the power grid, an information management system, configured to receive data from the series of FDRs and analyze the received data and a communications network interconnecting the series of FDRs and the information management system. The information management system is configured to examine orders and patterns of receipt of frequency changes at the FDRs in the data caused by the disturbance event and to triangulate a location of the disturbance event based on the orders and patterns of receipt of the frequency changes. Example methods of detection and location of disturbance events are also described.
Abstract translation: 一种用于检测和定位电网内的扰动事件的系统包括一系列在电力网的分散点处在电网中进行测量的频率干扰记录器（FDR），信息管理系统，被配置为从该系列 FDR并分析接收到的数据以及将一系列FDR和信息管理系统相互连接的通信网络。 信息管理系统被配置为检查在由干扰事件引起的数据中的FDR处的频率变化的接收的顺序和模式，并且基于频率变化的接收的顺序和模式来对干扰事件的位置进行三角测量。 还描述了干扰事件的检测和定位的示例方法。
-
公开(公告)号：US4218625A
公开(公告)日：1980-08-19
申请号：US872268
申请日：1978-01-25
Applicant: Robert W. Beckwith , Michael A. Wyatt
Inventor： Robert W. Beckwith , Michael A. Wyatt
CPC classification number: H02J3/08 , H02H11/00 , Y10T307/735
Abstract: A synchronizing check relay is used in an electrical transmission network for controlling a circuit breaker to interconnect first and second transmission lines to establish power flow therebetween and includes an input circuit for receiving signals from first and second transmission lines. A phase difference generator generates a phase difference signal proportional to a phase difference between said signals from said first and second transmission lines. A phase difference comparator receives the phase difference signal and produces a phase output signal at a selected phase condition. An adjustable timer produces a timer signal after a selected time interval in response to the phase comparator to insure a proper phase difference between the transmission lines. The voltage sensor produces a breaker closing inhibit signal when one of the alternating current voltages is outside a reference limit. A control circuit is responsive to the phase output signal, the time signal and the breaker closing inhibit signal for providing a control response to the circuit breaker.
Abstract translation: 在电传输网络中使用同步检查继电器，用于控制断路器以互连第一和第二传输线路以在其间建立功率流，并且包括用于从第一和第二传输线路接收信号的输入电路。 相位差发生器产生与来自所述第一和第二传输线的所述信号之间的相位差成比例的相位差信号。 相位差比较器接收相位差信号，并在所选择的相位条件下产生相位输出信号。 可调定时器响应于相位比较器在选定的时间间隔之后产生定时器信号，以确保传输线之间的适当的相位差。 当交流电压之一超过参考极限时，电压传感器产生断路器闭合禁止信号。 控制电路响应相位输出信号，时间信号和断路器闭合禁止信号，以提供对断路器的控制响应。
-
-
-
-
-
-
-
-
-
Search Results
119
records
(took 0.022 seconds)
