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公开(公告)号：WO2014081423A1
公开(公告)日：2014-05-30
申请号：PCT/US2012/066200
申请日：2012-11-21
Applicant: OTIS ELEVATOR COMPANY , ARNEDO, Luis , KOVACIC, Marinko , WANG, Yang , KRISHNAMURTHY, Shashank
Inventor： ARNEDO, Luis , KOVACIC, Marinko , WANG, Yang , KRISHNAMURTHY, Shashank
IPC: H02M7/487
Abstract: A neutral point clamped, multilevel level converter includes a DC voltage link; a first capacitor coupling one side of the DC link to a neutral point; a second capacitor coupling another side of the DC link to the neutral point; a plurality of phase legs, each phase leg including switches, each phase leg coupled to an AC node; a current sensor associated with each AC node; and a controller generating a PWM signal to control the switches, the controller generating a current zero sequence component in response to current sensed at each of the current sensors, the controller adjusting a modulation index signal in response to the current zero sequence component to produce the PWM signal.
Abstract translation: 中性点钳位，多电平电平转换器包括直流电压链路; 将所述DC链路的一侧耦合到中性点的第一电容器; 将所述DC链路的另一侧耦合到所述中性点的第二电容器; 多个相位支路，每个相位支路包括开关，每个相位脚架耦合到AC节点; 与每个AC节点相关联的电流传感器; 以及产生PWM信号以控制开关的控制器，所述控制器响应于在每个所述电流传感器处感测到的电流而产生电流零序分量，所述控制器响应于所述当前零序分量调整调制指数信号，以产生 PWM信号。
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公开(公告)号：WO2015094232A1
公开(公告)日：2015-06-25
申请号：PCT/US2013/076172
申请日：2013-12-18
Applicant: OTIS ELEVATOR COMPANY
Inventor： AGIRMAN, Ismail , WANG, Yang , KRISHNAMURTHY, Shashank
Abstract: A control system (48) having a motor (28) is disclosed. The control system (48) may include a converter (32) operatively connected to a power source (36), an inverter (34) operatively connected to the motor (28), and a controller (50) operatively connected to the converter (32) or inverter (34). The controller (50) may be configured to receive control command signals, receive state feedback signals, and generate duty cycle signals for upper and lower arms of each phase (40) of the motor (28) based at least in part on the control command signals and state feedback signals. The duty cycle signals may minimize neutral point current in the converter (32) or inverter (34).
Abstract translation: 公开了一种具有电机（28）的控制系统（48）。 控制系统（48）可以包括可操作地连接到电源（36）的转换器（32），可操作地连接到电动机（28）的逆变器（34））和可操作地连接到转换器（32）的控制器 ）或逆变器（34）。 控制器（50）可以被配置为至少部分地基于控制命令来接收控制命令信号，接收状态反馈信号，以及为电动机（28）的每相（40）的上臂和下臂生成占空比信号 信号和状态反馈信号。 占空比信号可以使转换器（32）或逆变器（34）中的中性点电流最小化。
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公开(公告)号：WO2016109231A2
公开(公告)日：2016-07-07
申请号：PCT/US2015/066351
申请日：2015-12-17
Applicant: OTIS ELEVATOR COMPANY
Inventor： WANG, Yang , CZERWINSKI, Christopher, S. , PIEDRA, Edward , KIM, HanJong , KRISHNAMURTHY, Shashank , VRABIE, Draguna , HUANG, Rui
CPC classification number: B66B1/3407 , G01R31/343 , G01R31/40
Abstract: A system including a drive portion, and an external computing device in communication with the drive portion, wherein the external computing device is configured to receive operational data from the drive portion, determine operational parameters based at least in part on the operational data, determine whether the operational parameters are valid, and automatically transmit commands to the drive portion if the operational parameters are valid.
Abstract translation: 一种包括驱动部分和与驱动部分通信的外部计算设备的系统，其中所述外部计算设备被配置为从所述驱动部分接收操作数据，至少部分地根据所述操作数据来确定操作参数，确定是否 操作参数有效，如果操作参数有效，则自动将命令发送到驱动部分。
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公开(公告)号：WO2015094240A1
公开(公告)日：2015-06-25
申请号：PCT/US2013/076204
申请日：2013-12-18
Applicant: OTIS ELEVATOR COMPANY
Inventor： AGIRMAN, Ismail , KRISHNAMURTHY, Shashank , NAGARAJAN, Prasanna , KIM, Hanjong , WANG, Yang
CPC classification number: B66B1/302 , B66B9/00 , B66B11/043 , H02M7/487 , H02P27/08
Abstract: A method (70) for controlling a multilevel regenerative drive (30) having a converter (32) and an inverter (34) is disclosed. The method (70) may include applying at least one of unipolar modulation and bipolar modulation to the converter (32), and applying at least one of unipolar modulation and bipolar modulation to the inverter (34). A control system (52) for a mechanical system (20) having a motor (28) is also disclosed. The control system (52) may comprise a converter (32) operatively connected to a power source (29), and an inverter (34) operatively connected to the motor (28) of the mechanical system (20). At least one controller may be in communication with the converter (32) and inverter (34), and may be configured to apply at least one of unipolar modulation and bipolar modulation to each of the converter (32) and the inverter (34).
Abstract translation: 公开了一种用于控制具有转换器（32）和逆变器（34）的多电平再生驱动（30）的方法（70）。 方法（70）可以包括将单极调制和双极性调制中的至少一个施加到转换器（32），以及向逆变器（34）施加单极调制和双极性调制中的至少一个。 还公开了一种用于具有马达（28）的机械系统（20）的控制系统（52）。 控制系统（52）可以包括可操作地连接到电源（29）的转换器（32）和可操作地连接到机械系统（20）的电动机（28）的逆变器（34）。 至少一个控制器可以与转换器（32）和逆变器（34）通信，并且可以被配置为向转换器（32）和逆变器（34）中的每一个施加单极调制和双极性调制中的至少一个。
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5.发明公开
公开(公告)号：EP2923438A1
公开(公告)日：2015-09-30
申请号：EP12888967.2
申请日：2012-11-21
Applicant: Otis Elevator Company
Inventor： ARNEDO, Luis , KOVACIC, Marinko , WANG, Yang , KRISHNAMURTHY, Shashank
IPC: H02M7/487
Abstract: A neutral point clamped, multilevel level converter includes a DC voltage link; a first capacitor coupling one side of the DC link to a neutral point; a second capacitor coupling another side of the DC link to the neutral point; a plurality of phase legs, each phase leg including switches, each phase leg coupled to an AC node; a current sensor associated with each AC node; and a controller generating a PWM signal to control the switches, the controller generating a current zero sequence component in response to current sensed at each of the current sensors, the controller adjusting a modulation index signal in response to the current zero sequence component to produce the PWM signal.
Abstract translation: 中性点钳位，多电平电平转换器包括直流电压链路; 将所述DC链路的一侧耦合到中性点的第一电容器; 将所述DC链路的另一侧耦合到所述中性点的第二电容器; 多个相位支路，每个相位支路包括开关，每个相位脚架耦合到AC节点; 与每个AC节点相关联的电流传感器; 以及产生PWM信号以控制开关的控制器，所述控制器响应于在每个所述电流传感器处感测到的电流而产生电流零序分量，所述控制器响应于所述当前零序分量调整调制指数信号， PWM信号。
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Patent Agency Ranking
公开(公告)号：EP3103751A1
公开(公告)日：2016-12-14
申请号：EP16173712.7
申请日：2016-06-09
Applicant: Otis Elevator Company
Inventor： WANG, Yang , KRISHNAMURTHY, Shashank , KIM, HanJong , AGIRMAN, Ismail
IPC: B66B5/02
Abstract: A method of stopping an elevator in the event of a power failure is provided. The method includes determining that a power source for a drive system of an elevator has failed, retaining energy electrically separate from the power source, managing the retained energy to enable drive-assisted emergency stopping of an elevator, and stopping an elevator using the managed, retained energy.
Abstract translation: 提供了在停电的情况下停止电梯的方法。 该方法包括确定用于电梯的驱动系统的电源已经发生故障，保持能量与电源电气分离，管理保留的能量以使电梯的驱动辅助紧急停止，以及使用所管理的电梯停止电梯， 保留能量。
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公开(公告)号：EP3083468B1
公开(公告)日：2020-07-08
申请号：EP13899621.0
申请日：2013-12-18
Applicant: Otis Elevator Company
Inventor： AGIRMAN, Ismail , KRISHNAMURTHY, Shashank , NAGARAJAN, Prasanna , KIM, Hanjong , WANG, Yang
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公开(公告)号：EP2923438B1
公开(公告)日：2018-05-16
申请号：EP12888967.2
申请日：2012-11-21
Applicant: Otis Elevator Company
Inventor： ARNEDO, Luis , KOVACIC, Marinko , WANG, Yang , KRISHNAMURTHY, Shashank
Abstract: A neutral point clamped, multilevel level converter includes a DC voltage link; a first capacitor coupling one side of the DC link to a neutral point; a second capacitor coupling another side of the DC link to the neutral point; a plurality of phase legs, each phase leg including switches, each phase leg coupled to an AC node; a current sensor associated with each AC node; and a controller generating a PWM signal to control the switches, the controller generating a current zero sequence component in response to current sensed at each of the current sensors, the controller adjusting a modulation index signal in response to the current zero sequence component to produce the PWM signal.
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公开(公告)号：EP3083468A1
公开(公告)日：2016-10-26
申请号：EP13899621.0
申请日：2013-12-18
Applicant: Otis Elevator Company
Inventor： AGIRMAN, Ismail , KRISHNAMURTHY, Shashank , NAGARAJAN, Prasanna , KIM, Hanjong , WANG, Yang
Abstract: A method (70) for controlling a multilevel regenerative drive (30) having a converter (32) and an inverter (34) is disclosed. The method (70) may include applying at least one of unipolar modulation and bipolar modulation to the converter (32), and applying at least one of unipolar modulation and bipolar modulation to the inverter (34). A control system (52) for a mechanical system (20) having a motor (28) is also disclosed. The control system (52) may comprise a converter (32) operatively connected to a power source (29), and an inverter (34) operatively connected to the motor (28) of the mechanical system (20). At least one controller may be in communication with the converter (32) and inverter (34), and may be configured to apply at least one of unipolar modulation and bipolar modulation to each of the converter (32) and the inverter (34).
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10.发明公开BUS CAPACITOR BANK CONFIGURATION FOR A MULTI-LEVEL REGENERATIVE DRIVE 审中-公开总部设计师组委会FÜREINEN MEHRSTUFIGEN REGENERATIVEN ANTRIEB
公开(公告)号：EP3084952A1
公开(公告)日：2016-10-26
申请号：EP13899640.0
申请日：2013-12-18
Applicant: Otis Elevator Company
Inventor： AGIRMAN, Ismail , MILLETT, Steven M. , KRISHNAMURTHY, Shashank , WANG, Yang
CPC classification number: H02M1/00 , B66B1/302 , B66B1/32 , H02M1/12 , H02M5/458 , H02M5/4585 , H02M7/487 , H02M2001/007 , H02P3/14 , H02P3/18 , H03H7/004
Abstract: A regenerative drive device and a method for configuring the DC link of a regenerative drive device are disclosed. The multilevel regenerative drive device may include an inverter having a plurality of power components and a converter having a plurality of power components. The multilevel regenerative drive device may also include a direct current (DC) link bridging the inverter and the converter, the DC link including a capacitor, an inverter neutral point, and a converter neutral point independent of the inverter neutral point. Alternatively, the inverter neutral point and the converter neutral point may be connected.
Abstract translation: 公开了一种用于配置再生驱动装置的直流链路的再生驱动装置和方法。 多级再生驱动装置可以包括具有多个功率部件的逆变器和具有多个功率部件的转换器。 多电平再生驱动装置还可以包括桥接逆变器和转换器的直流（DC）链路，包括电容器的直流链路，逆变器中性点和与逆变器中性点无关的转换器中性点。 或者，可以连接逆变器中性点和转换器中性点。
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