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

CPC classification number: H02M7/537 ,  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。

公开(公告)号：WO2016118466A1

公开(公告)日：2016-07-28

申请号：PCT/US2016/013831

申请日：2016-01-19

Applicant: OTIS ELEVATOR COMPANY

Inventor： KRISHNAMURTHY, Shashank ,  MARVIN, Daryl, J. ,  ARNEDO, Luis

IPC: B66B9/02 ,  B66B1/34 ,  B66B11/04

CPC classification number: B66B11/0407 ,  B66B1/34 ,  B66B9/02

Abstract: An elevator power distribution system includes an elevator car (114; 214; 314; 414; 514) configured to travel in a lane (113, 115, 117; 213; 313, 315, 317; 413, 415, 417; 513, 515, 517) of an elevator shaft (111) and a linear propulsion system configured to impart force to the elevator car. The linear propulsion system includes a first portion (216), mounted in the lane and a second portion (218) mounted to the elevator car configured to coact with the first portion (216) to impart movement to the elevator car. A plurality of electrical buses (371, 372, 373, 374; 471, 472, 473, 474; 571, 572, 573, 574) are disposed within the lane and configured to provide power to the first portion, a rectifier (361a, 362a, 363a, 364a, 361b, 362b, 363b, 364b, 361c, 362c, 363c, 364c; 461a, 462a, 463a, 464a, 461b, 462b, 463b, 464b, 461c, 462c, 463c, 464c; 561a, 562a, 563a, 564a, 561b, 562b, 563b, 564b, 561c, 562c, 563c, 564c) is electrically connected to each of the plurality of buses and configured to convert power provided between the respective bus and a grid (302; 402; 502), and a battery backup (381a, 382a, 383a, 384a, 381b, 382b, 383b, 384b, 381c, 382c, 383c, 384c; 481a, 482a, 483a, 484a, 481b, 482b, 483b, 484b, 481c, 482c, 483c, 484c; 585a, 585b, 585c) is electrically connected with the rectifier and configured to transfer power to or receive power from the rectifier.

Abstract translation: 电梯配电系统包括：电梯轿厢（114; 214; 314; 414; 514），其被配置成在车道（113,115,117; 213; 313,315,317; 413,415,417; 513,515 ，517）和被构造成向电梯轿厢施加力的线性推进系统。 线性推进系统包括安装在车道中的第一部分（216）和安装到电梯轿厢的第二部分（218），该第二部分构造成与第一部分（216）共同作用以向电梯轿厢施加运动。 多个电气总线（371,372,373,374; 471,472,473,474; 571,572,573,574）设置在车道内并且被配置成向第一部分提供动力，整流器（361a， 362a，363a，364a，361b，362b，363b，364b，361c，362c，363c，364c; 461a，462a，463a，464a，461b，462b，463b，464b，461c，462c，463c，464c; 563a，564a，561b，562b，563b，564b，562b，563b，564b，561c，562c，563c，564c）电连接到多个总线中的每一个，并且被配置为将提供在相应总线和电网（302; 402; 以及电池备用装置（381a，382a，383a，384a，381b，382b，383b，384b，381c，382c，383c，384c; 481a，482a，483a，484a，481b，482b，483b，484b，481c，482c， 483c，484c; 585a，585b，585c）与整流器电连接并且被配置为将功率传递到整流器或从整流器接收功率。

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

IPC: H02M7/537 ,  H02M7/487

CPC classification number: H02M7/537 ,  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.

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

CPC classification number: H02M7/537 ,  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。