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公开(公告)号：US20170025891A1
公开(公告)日：2017-01-26
申请号：US14808917
申请日：2015-07-24
Applicant: Google Inc.
Inventor： Sangsun Kim , Anand Ramesh
CPC classification number: H02J9/061 , H02J1/10 , H02J7/0031 , H02J7/0068 , H02J7/0077
Abstract: Methods, systems, and apparatus, including computer programs encoded on a computer storage medium, for controlling a battery power source. In one aspect, a system includes a first MOSFET having a first gate, a first source, and a first drain. A second MOSFET having a second gate, a second source, and a second drain. The first source is connected to the second source, and the second drain is coupled to a ground. A control circuit connected to the first gate and the second gate and that provides control signals to the first gate and the second gate that cause the first and second MOSFETS to operate in saturation regions during a first operational state to cause the first power source to discharge and the first MOSFET operates in a linear region during a second operational state to limit a charging current that charges the first power source.
Abstract translation: 方法，系统和装置，包括在计算机存储介质上编码的用于控制电池电源的计算机程序。 一方面，系统包括具有第一栅极，第一源极和第一漏极的第一MOSFET。 具有第二栅极，第二源极和第二漏极的第二MOSFET。 第一源连接到第二源，并且第二漏极耦合到地。 连接到第一栅极和第二栅极的控制电路，并且向第一栅极和第二栅极提供控制信号，使得第一和第二MOSFET在第一操作状态期间在饱和区域中工作，以使第一电源放电 并且第一MOSFET在第二操作状态期间在线性区域中工作，以限制对第一电源充电的充电电流。
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公开(公告)号：US09831664B1
公开(公告)日：2017-11-28
申请号：US14705538
申请日：2015-05-06
Applicant: Google Inc.
Inventor： Jyoti Sastry , Anand Ramesh , James C. Schmalzried , Ankit Somani , Ryan T. Davis
CPC classification number: H02H9/02 , G01R21/00 , H01H9/167 , H01H71/1081 , H01H89/06 , H01H2300/03 , H02B1/00 , H02G3/00 , H02H7/26
Abstract: Circuit breaker panels for use in, e.g., residential and light commercial applications. The circuit breaker panels are configured to perform conventional safety functions and are also configured for remote control and monitoring. The circuit breaker panels can be constructed with remote control and monitoring capability, and circuit breaker panels lacking remote control and monitoring capability can be augmented to include remote control and monitoring capability.
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公开(公告)号：US09716408B2
公开(公告)日：2017-07-25
申请号：US14808917
申请日：2015-07-24
Applicant: Google Inc.
Inventor： Sangsun Kim , Anand Ramesh
CPC classification number: H02J9/061 , H02J1/10 , H02J7/0031 , H02J7/0068 , H02J7/0077
Abstract: Methods, systems, and apparatus, including computer programs encoded on a computer storage medium, for controlling a battery power source. In one aspect, a system includes a first MOSFET having a first gate, a first source, and a first drain. A second MOSFET having a second gate, a second source, and a second drain. The first source is connected to the second source, and the second drain is coupled to a ground. A control circuit connected to the first gate and the second gate and that provides control signals to the first gate and the second gate that cause the first and second MOSFETS to operate in saturation regions during a first operational state to cause the first power source to discharge and the first MOSFET operates in a linear region during a second operational state to limit a charging current that charges the first power source.
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公开(公告)号：US09618991B1
公开(公告)日：2017-04-11
申请号：US14040372
申请日：2013-09-27
Applicant: Google Inc.
Inventor： Jimmy Clidaras , Cornelius B. O'Sullivan , Anand Ramesh
CPC classification number: G06F1/266 , G06F1/30 , G06F1/305 , G06F1/3209 , G06F1/3287 , G06F13/4086 , H02J3/00 , H02J3/005 , H02J3/006 , H02J3/381 , H02J3/46 , H02J9/062 , Y10T307/68
Abstract: A method for providing electrical power to a computer data center includes generating alternating-current power by a plurality of generators and converting the alternating current power from each of the generators to direct current power; combining the direct current power from each of the generators into a common electrical domain; and supplying the computer data center using the combined direct current power.
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公开(公告)号：US09479044B1
公开(公告)日：2016-10-25
申请号：US14585994
申请日：2014-12-30
Applicant: Google Inc.
Inventor： Anand Ramesh , Subhrajit Roychowdhury
Abstract: Methods, systems, and apparatus, including computer program products for structured content ranking. In an aspect, a method includes, receiving, at a controller, an alternating current signal; determining harmonic values that describe a fundamental frequency component of the alternating current signal and harmonic components of the alternating current signal; accessing, by the controller, control data that defines a relation of harmonic values to operational instructions, wherein each operational instruction, when supplied to an inverter, causes the inverter to perform an operation defined by the operational instruction; selecting, by the controller, an operational instruction from the operational instructions, the selected operational instruction based on the harmonic values and the control data; and providing, by the controller, the selected operational instruction to the inverter to cause the inverter to perform the operation defined by the selected operational instruction.
Abstract translation: 方法，系统和设备，包括用于结构化内容排名的计算机程序产品。 在一方面，一种方法包括：在控制器处接收交流信号; 确定描述交流信号的基频分量和交流信号的谐波分量的谐波值; 由控制器访问定义谐波值与操作指令的关系的控制数据，其中当提供给逆变器时，每个操作指令使逆变器执行由操作指令定义的操作; 由所述控制器选择来自所述操作指令的操作指令，所述选择的操作指令基于所述谐波值和所述控制数据; 以及通过所述控制器将所选择的操作指令提供给所述逆变器以使所述逆变器执行由所选择的操作指令定义的操作。
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Patent Agency Ranking
公开(公告)号：US09854712B1
公开(公告)日：2017-12-26
申请号：US15273218
申请日：2016-09-22
Applicant: Google Inc.
Inventor： Anand Ramesh , Jimmy Clidaras , Christopher G. Malone
CPC classification number: H05K7/20745 , F01D15/10 , F01K19/10 , F05D2220/31 , G06F1/189 , G06F1/20 , G06F2200/201 , H02K7/1823 , H05K7/1498
Abstract: A method for providing for conditioning of a computer data center includes supplying a working fluid from a common fluid plane to a plurality of power/cooling units distributed across a data center facility in proximity to electronic equipment that is distributed across the data center facility; converting the working fluid into electric power and cooling capacity at each of the plurality of power/cooling units; and supplying the electric power to a common electric power plane serving a plurality of racks of the electronic equipment in the data center facility and being served by a plurality of the power/cooling units in the data center facility, wherein the common fluid plane serves at least 10 percent of the power/cooling units in the data center facility and the common electric power plane serves at most 5 percent of the electronic equipment in the data center facility.
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公开(公告)号：US09659721B1
公开(公告)日：2017-05-23
申请号：US14705598
申请日：2015-05-06
Applicant: Google Inc.
Inventor： Jyoti Sastry , Anand Ramesh , Gregory E. Leyh , Ronald Scott Collyer , Arunava Majumdar , Ankit Somani
CPC classification number: H01H9/54 , H02H1/0061 , H02H3/08 , H02H3/44
Abstract: Methods, systems, and apparatus for circuit breakers with integrated safety, control, monitoring, and protection features. In one aspect, a circuit breaker includes, an input and an output, a switch coupled between the input and the output, a sensor configured to measure the current flowing from the input to the output, and a control system coupled to the sensor and the switch, wherein the control system is configured to perform operations including comparing a rate of change of the current measured by the sensor to a threshold rate of change of current, determining that the rate of change of the current measured by the sensor exceeds the threshold rate of change of current for at least a predetermined period of time, and as a consequence of determining that the rate of change of current exceeds the threshold rate of change, opening the switch, thereby disconnecting the input from the output.
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公开(公告)号：US09490720B1
公开(公告)日：2016-11-08
申请号：US13800806
申请日：2013-03-13
Applicant: Google Inc.
Inventor： Sangsun Kim , Jimmy Clidaras , Cornelius B. O'Sullivan , Anand Ramesh
CPC classification number: H02M5/293 , H02M1/4208 , H02M5/225 , H02M5/297 , H02M7/217 , Y02B70/126
Abstract: An electric power supply unit includes a primary stage having an electric converter arranged to increase a frequency of AC power provided to an input of the power supply unit; a transformer stage connected to receive AC power from the primary stage and to reduce a voltage level of the AC power; and a secondary stage connected to receive the AC power at the reduced voltage level and the increased frequency and having a rectifier and power factor correction circuit arranged to convert the AC power to DC power and to provide power factor correction for power entering the power supply unit.
Abstract translation: 电力供应单元包括：初级级，其具有电转换器，其被布置成增加提供给电源单元的输入的AC电力的频率; 变压器级，其连接以从初级级接收AC电力并且降低AC电力的电压电平; 以及次级级，其以降低的电压电平和增加的频率接收AC电力，并且具有整流器和功率因数校正电路，其布置成将AC电力转换为DC电力，并为进入电源单元的功率提供功率因数校正 。
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公开(公告)号：US20170288454A1
公开(公告)日：2017-10-05
申请号：US15624321
申请日：2017-06-15
Applicant: Google Inc.
Inventor： Sangsun Kim , Anand Ramesh
Abstract: Methods, systems, and apparatus, including computer programs encoded on a computer storage medium, for controlling a battery power source. In one aspect, a system includes a first MOSFET having a first gate, a first source, and a first drain. A second MOSFET having a second gate, a second source, and a second drain. The first source is connected to the second source, and the second drain is coupled to a ground. A control circuit connected to the first gate and the second gate and that provides control signals to the first gate and the second gate that cause the first and second MOSFETS to operate in saturation regions during a first operational state to cause the first power source to discharge and the first MOSFET operates in a linear region during a second operational state to limit a charging current that charges the first power source.
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公开(公告)号：US09673632B1
公开(公告)日：2017-06-06
申请号：US14040343
申请日：2013-09-27
Applicant: Google Inc.
Inventor： Anand Ramesh , Jimmy Clidaras
Abstract: A method for providing power to a computer data center includes distributing a fluid through a single common domain throughout the computer data center building; converting the fluid into electrical energy at a plurality of electric power generation units that are distributed through the computer data center and connected to receive fluid from the common domain; and providing electrical power from the plurality of power generation units to corresponding electrical loads distributed throughout the computer data center building.
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