公开(公告)号：US09425702B2

公开(公告)日：2016-08-23

申请号：US14290333

申请日：2014-05-29

Applicant: Eaton Corporation

Inventor： Bruno Patrice-Bernard Lequesne ,  Yakov Lvovich Familiant ,  Qiang Fu ,  Vijay Bhavaraju

IPC: H02M5/293 ,  H02M1/00

CPC classification number: H02M5/293 ,  H02M2001/0058 ,  H02M2005/2932 ,  Y02B70/1491

Abstract: A system and method for controlling switching in an AC-AC converter is disclosed. A controller for the AC-AC converter determines a direction of current flow on supply lines that provide AC power to the AC-AC converter and determines a switching pattern for each of a plurality of line-side switches and each of a plurality of floating-neutral side switches in the AC-AC converter based on the determined direction of current flow on each of the supply lines. The controller causes the line-side switches and the floating-neutral side switches to operate in an ON or OFF condition according to the determined switching pattern, such that a controlled current flow is output from the AC-AC converter. The controller also implements a safe-switching routine when transitioning from a first switching pattern to a second switching pattern that prevents a non-zero current from being interrupted during the transitioning between the first and second switching patterns.

Abstract translation: 公开了一种用于控制AC-AC转换器中的开关的系统和方法。 AC-AC转换器的控制器确定向AC-AC转换器提供AC电力的电源线上的电流的方向，并且确定多个线路侧开关中的每一个的切换模式，以及多个浮动 - 基于所确定的每条电源线上的电流方向，AC-AC转换器中的中立侧开关。 控制器根据确定的开关模式使线路侧开关和浮动中性侧开关在ON或OFF状态下工作，从而从AC-AC转换器输出受控电流。 当从第一切换模式转换到第二切换模式时，控制器还实现安全切换程序，其防止在第一和第二切换模式之间的转换期间非零电流被中断。

公开(公告)号：US09941700B2

公开(公告)日：2018-04-10

申请号：US14585835

申请日：2014-12-30

Applicant: EATON CORPORATION

Inventor： Vijay Bhavaraju ,  Qiang Fu ,  Yakov L. Familiant ,  Christopher S. Thompson

IPC: H02J3/28 ,  H02J3/38 ,  H02J3/16

CPC classification number: H02J3/383 ,  H02J3/16 ,  H02J3/28 ,  H02J3/382 ,  Y02E10/563 ,  Y02E10/566 ,  Y02E40/34 ,  Y02E70/30

Abstract: An energy system includes renewable energy sources each including an inverter. The renewable source inverters are coupled to a distribution line in a manner wherein power combines additively. The system also includes an energy storage source including an energy storage inverter coupled to the distribution line between the point of interconnection and the renewable source inverters. Finally, a control system is structured to: (i) control a voltage at the point of interconnection by controlling a renewable source reactive power output by the renewable source inverters and an energy storage reactive power output by the energy storage inverter, and (ii) provide power ramp rate control for the renewable energy system by controlling at least one of a renewable source real power output by each of the renewable source inverters and a first energy storage real power output by the energy storage inverter.

公开(公告)号：US09502882B2

公开(公告)日：2016-11-22

申请号：US14245264

申请日：2014-04-04

Applicant: EATON CORPORATION

Inventor： Qiang Fu ,  Yi Yang ,  Charles John Luebke ,  Xin Zhou

IPC: H02H7/30 ,  H02H3/093 ,  H02H1/00 ,  H02H7/26

CPC classification number: H02H3/093 ,  H02H1/0076 ,  H02H7/261 ,  H02H7/30

Abstract: A method of protecting a power distribution system from a fault on a feed conductor thereof, wherein an HFAC signal is provided to the feed conductor from a location downstream of the feed conductor in the power distribution system. The method includes, in a module located upstream of the feed conductor in the power distribution system, determining an HFAC signal magnitude in the module, the module including a circuit interrupter, and controlling operation of the circuit interrupter based on the determined magnitude.

Abstract translation: 一种保护配电系统免受其馈电导体上的故障的一种方法，其中HFAC信号从配电系统中馈电导体的下游位置提供给馈电导体。 该方法包括在位于配电系统中的馈电导体上游的模块中，确定模块中的HFAC信号幅度，模块包括电路中断器，以及基于所确定的幅度来控制电路断续器的操作。

公开(公告)号：US20150349653A1

公开(公告)日：2015-12-03

申请号：US14290333

申请日：2014-05-29

Applicant: Eaton Corporation

Inventor： Bruno Patrice-Bernard Lequesne ,  Yakov Lvovich Familiant ,  Qiang Fu ,  Vijay Bhavaraju

IPC: H02M5/293

CPC classification number: H02M5/293 ,  H02M2001/0058 ,  H02M2005/2932 ,  Y02B70/1491

Abstract: A system and method for controlling switching in an AC-AC converter is disclosed. A controller for the AC-AC converter determines a direction of current flow on supply lines that provide AC power to the AC-AC converter and determines a switching pattern for each of a plurality of line-side switches and each of a plurality of floating-neutral side switches in the AC-AC converter based on the determined direction of current flow on each of the supply lines. The controller causes the line-side switches and the floating-neutral side switches to operate in an ON or OFF condition according to the determined switching pattern, such that a controlled current flow is output from the AC-AC converter. The controller also implements a safe-switching routine when transitioning from a first switching pattern to a second switching pattern that prevents a non-zero current from being interrupted during the transitioning between the first and second switching patterns.

Abstract translation: 公开了一种用于控制AC-AC转换器中的开关的系统和方法。 AC-AC转换器的控制器确定向AC-AC转换器提供AC电力的电源线上的电流的方向，并且确定多个线路侧开关中的每一个的切换模式，以及多个浮动 - 基于所确定的每条电源线上的电流方向，AC-AC转换器中的中立侧开关。 控制器根据确定的开关模式使线路侧开关和浮动中性侧开关在ON或OFF状态下工作，从而从AC-AC转换器输出受控电流。 当从第一切换模式转换到第二切换模式时，控制器还实现安全切换程序，其防止在第一和第二切换模式之间的转换期间非零电流被中断。

公开(公告)号：US20150288165A1

公开(公告)日：2015-10-08

申请号：US14245264

申请日：2014-04-04

Applicant: EATON CORPORATION

Inventor： Qiang Fu ,  Yi Yang ,  Charles John Luebke ,  Xin Zhou

IPC: H02H3/093

CPC classification number: H02H3/093 ,  H02H1/0076 ,  H02H7/261 ,  H02H7/30

Abstract: A method of protecting a power distribution system from a fault on a feed conductor thereof, wherein an HFAC signal is provided to the feed conductor from a location downstream of the feed conductor in the power distribution system. The method includes, in a module located upstream of the feed conductor in the power distribution system, determining an HFAC signal magnitude in the module, the module including a circuit interrupter, and controlling operation of the circuit interrupter based on the determined magnitude.

Abstract translation: 一种保护配电系统免受其馈电导体上的故障的一种方法，其中HFAC信号从配电系统中馈电导体的下游位置提供给馈电导体。 该方法包括在位于配电系统中的馈电导体上游的模块中，确定模块中的HFAC信号幅度，模块包括电路中断器，以及基于所确定的幅度来控制电路断续器的操作。