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    • 161. 发明授权
    • Electrical power distribution installation for electrical power system
    • 电力系统配电安装
    • US06452769B1
    • 2002-09-17
    • US09391466
    • 1999-09-08
    • Toshio SohdeTakashi Sakurai
    • Toshio SohdeTakashi Sakurai
    • H02H300
    • H02H9/08H02H3/165H02J3/00Y10T307/305Y10T307/544
    • An apparatus and method applicable to an electric power distribution installation, the electrical power distribution installation comprising: at least one main common bus bar; a plurality of main transformers, each main transformer being configured to step down a received power supply voltage and to supply the stepped down power supply voltage to a load via the main common bus bar; and a plurality of power generators, each power generator being connected to the main common bus bar, and the apparatus comprising: a first grounding device including at least one grounding transformer connected to the main common bus bar, a neutral point of the grounding transformer being grounded in a form of a predetermined low impedance grounding; and a second grounding device connected to each neutral point of the power generators to always ground each neutral point directly in a form of a predetermined high resistance grounding.
    • 一种适用于配电装置的装置和方法,所述配电装置包括:至少一个主公共母线; 多个主变压器,每个主变压器被配置为降低接收的电源电压并且经由主公共母线将降压电源电压提供给负载; 以及多个发电机,每个发电机连接到所述主公共母线,所述装置包括:第一接地装置,包括连接到所述主公共母线的至少一个接地变压器,所述接地变压器的中性点为 以预定的低阻抗接地的形式接地; 以及连接到发电机的每个中性点的第二接地装置,以直接以预定的高电阻接地的形式直接接地每个中性点。
    • 162. 发明申请
    • Auto-MDIX line-driver with power down loopback protection
    • 具有断电环回保护功能的Auto-MDIX线路驱动器
    • US20020057017A1
    • 2002-05-16
    • US09983818
    • 2001-10-26
    • Broadcom Corporation
    • Kevin T. Chan
    • H02J001/10
    • H04L25/0266Y10T307/305
    • A line driver selectively drives one of two transmission lines. The line driver includes a differential amplifier connected to first and second differential switches. The first differential switch is connected between an output of the differential amplifier and a first of two transmission lines. The second differential switch is connected to the output of the differential amplifier and to the second of two transmission lines. The first and second differential switches are controlled by respective first and second control signals. The output of the differential amplifier is connected to either the first or the second transmission line in response to the first and second control signals. The differential switches include loopback protection to an prevent an incoming signal from passing from one transmission line to another during power down mode.
    • 线路驱动器选择性地驱动两条传输线之一。 线路驱动器包括连接到第一和第二差分开关的差分放大器。 第一差分开关连接在差分放大器的输出和两条传输线中的第一条之间。 第二差分开关连接到差分放大器的输出端和两条传输线路中的第二个。 第一和第二差分开关由相应的第一和第二控制信号控制。 差分放大器的输出响应于第一和第二控制信号连接到第一或第二传输线。 差分开关包括环回保护,以防止输入信号在掉电模式期间从一条传输线路传递到另一条传输线路。
    • 169. 发明授权
    • Input/output section of an integrated circuit having separate power down
capability
    • 具有独立断电功能的集成电路的输入/输出部分
    • US5898232A
    • 1999-04-27
    • US555263
    • 1995-11-08
    • Daniel B. ReentsMark T. Ellis
    • Daniel B. ReentsMark T. Ellis
    • G06F1/24G06F1/32H02J1/10G06F1/00
    • G06F1/325G06F1/3203Y02B60/32Y10T307/305Y10T307/615
    • A personal information device is provided, which includes an integrated circuit coupled to a variety of peripheral devices. The integrated circuit is configured with a core section and one or more input/output sections. The core section is powered independently of the input/output sections, allowing selective power down of peripheral components coupled to the integrated circuit without the use of external buffers. The input/output sections are configured with unique input/output circuits which perform the buffering task. The integrated circuit is further configured with a partial reset. The partial reset selectively forces portions of the integrated circuit to an initial state while other portions continue to operate. One particular embodiment of the integrated circuit is configured with a CPU and an RTC unit which comprises configuration RAM and a real time clock facility. When the partial reset is activated, the RTC unit is not reset but the CPU is reset. When the personal information device detects the need to conserve power, the power supply or a reset unit asserts the partial reset. Additionally, the power supply powers down selected peripheral components and the associated input/output driver sections while retaining power to the core section. Time/date and configuration information is therefore retained and power consumption is reduced.
    • 提供个人信息设备,其包括耦合到各种外围设备的集成电路。 集成电路配置有核心部分和一个或多个输入/输出部分。 核心部分独立于输入/输出部分供电,允许在不使用外部缓冲器的情况下连接到集成电路的外设组件选择性关断电源。 输入/输出部分配置有执行缓冲任务的唯一输入/输出电路。 集成电路进一步配置有部分复位。 部分复位选择性地将集成电路的部分强制为初始状态,而其他部分继续操作。 集成电路的一个具体实施例配置有CPU和RTC单元,其包括配置RAM和实时时钟设施。 当部分复位被激活时,RTC单元不复位,但CPU被复位。 当个人信息设备检测到需要节省电力时,电源或复位单元断言部分重置。 此外,电源在保持对核心部分的电源的同时降低所选择的外围组件和相关的输入/输出驱动器部分。 因此,保留时间/日期和配置信息并降低功耗。
    • 170. 发明授权
    • AC power supply controller for use in semiconductor fabrication
facilities
    • 用于半导体制造设备的交流电源控制器
    • US5859480A
    • 1999-01-12
    • US855239
    • 1997-05-13
    • Kyu-Bok RyuJung-Ho Guk
    • Kyu-Bok RyuJung-Ho Guk
    • H02J9/00H02J1/00H02J3/00H02J3/38H02J9/06H02J7/00
    • H02J9/062H02J3/38Y10T307/305Y10T307/344Y10T307/406Y10T307/615Y10T307/724
    • A power supply controller is capable of regulating the amount of electrical power supplied to semiconductor fabrication facilities to amounts in accordance with processing conditions of each facility. The apparatus includes a plurality of process status detectors corresponding to the facilities, each status detector detecting an operation mode of each of the facilities and generating a mode detection signal. A plurality of unit controllers are provided, corresponding to the process status detectors, each unit controller generating a power control signal in response to the mode detection signal. A plurality of power supply units are provided, corresponding to the unit controllers, each power supply unit controlling and providing an amount of electrical power from the main power supply to the facilities in response to the power control signal corresponding the operation mode of each facility.
    • 电源控制器能够根据每个设施的处理条件来调节供应给半导体制造设备的电力量。 该装置包括对应于该设施的多个处理状态检测器,每个状态检测器检测每个设备的操作模式并产生模式检测信号。 提供了多个单元控制器,对应于处理状态检测器,每个单元控制器响应于模式检测信号产生功率控制信号。 提供了与单元控制器相对应的多个电源单元,每个电源单元响应于对应于每个设施的操作模式的功率控制信号,控制并从主电源向设施提供一定量的电力。