公开(公告)号：WO2018167342A1

公开(公告)日：2018-09-20

申请号：PCT/ES2018/070160

申请日：2018-03-05

Applicant: TIZONA MOTORS SL

Inventor： RAMOS RAMOS, Angel Gabriel ,  ZUÑIGA MANGAS, Luis

IPC: H02P1/32 ,  H02P25/18

CPC classification number: H02P1/32 ,  H02P25/18

Abstract: La invención consiste en la combinación de la implantación de un sistema conmutado en un motor eléctrico trifásico de imanes permanentes a partir del cual poder conectar selectivamente su bobinado en estrella o en triángulo, en orden a ampliar el rango de regímenes en los que su rendimiento sea óptimo, combinado con una desmultiplicación adicional para el motor que experimentalmente se ha comprobado que es necesaria para que el mismo no se dañe en dichos cambios de configuración para el motor.

公开(公告)号：WO2016102380A1

公开(公告)日：2016-06-30

申请号：PCT/EP2015/080542

申请日：2015-12-18

Applicant: SANDVIK MINING AND CONSTRUCTION OY

Inventor： TIIHONEN, Tommi

IPC: B60L9/28 ,  E21B7/02 ,  H02J3/18 ,  H02P1/32 ,  H02K17/30 ,  B60L11/18

CPC classification number: B60L9/28 ,  B60L11/1803 ,  B60L2220/12 ,  B60L2220/30 ,  H02P1/32 ,  H02P23/26 ,  Y02T10/7005

Abstract: The invention relates to a mining vehicle and to a method for energy supply of a mining vehicle. The mining vehicle comprises at least one mining work device, at least one three phase AC electric motor for powering the at least mining work device, a three phase connecting device connectable to a supply cable for supplying electric current to the mining vehicle from a supply grid and a current reducer unit for compensating for reactive power. The electric motor is connectable to delta connection and to star connection. The current reducer unit comprises at least three single phase capacitor units that are connectable to delta connection while the motor is connected to delta connection and connectable to star connection while the motor is connected to star connection.

Abstract translation: 本发明涉及采矿车辆和采矿车辆的能量供应方法。 采矿车辆包括至少一个采矿作业装置，用于为至少采矿作业装置供电的至少一个三相交流电动机;连接到供应电缆的三相连接装置，用于从供电电网向采矿车辆提供电流 以及用于补偿无功功率的电流减速器单元。 电动马达可连接到三角形连接并连接星形。 电流减速器单元包括至少三个单相电容器单元，其可连接到三角形连接，而电动机连接到三角形连接并且可连接到星形连接，同时电动机连接到星形连接。

公开(公告)号：WO2015164686A1

公开(公告)日：2015-10-29

申请号：PCT/US2015/027427

申请日：2015-04-24

Applicant: KMT WATERJET SYSTEMS INC.

Inventor： ZEYN, Paul V. ,  LAWSON, David L. ,  STEPHENS, Jeffrey D.

IPC: H02P1/32

CPC classification number: H02P25/184 ,  H02P1/28 ,  H02P1/32

Abstract: Control systems and methods for starting an induction motor. The control system includes a plurality of wye switches, a plurality of delta switches, an AC power supply, and a soft-starter. The plurality of wye switches are connected between three phase stator windings of the induction motor such that closure of the plurality of wye switches causes the three phase stator windings to be connected in a wye connection. The plurality of delta switches are connected between the three phase stator windings such that closure of the plurality of delta switches causes the three phase stator windings to be connected in a delta configuration. The soft-starter is connected between three phase supply lines of the AC power supply and the three phase stator windings to control a supply of energy to the induction motor from the AC power supply.

Abstract translation: 用于启动感应电动机的控制系统和方法。 控制系统包括多个发光开关，多个三角形开关，交流电源和软启动器。 多个叶片开关连接在感应电动机的三相定子绕组之间，使得多个叶片开关的闭合导致三相定子绕组以叶片连接方式连接。 多个三角形开关连接在三相定子绕组之间，使得多个三角形开关的闭合导致三相定子绕组以三角形构造连接。 软启动器连接在交流电源的三相电源线和三相定子绕组之间，以控制从交流电源向感应电动机供电。

公开(公告)号：WO1989007858A1

公开(公告)日：1989-08-24

申请号：PCT/JP1989000167

申请日：1989-02-20

Applicant: FANUC LTD ,  KOHARI, Katsuo ,  NAKAMURA, Kosei ,  FUJIOKA, Yoshiki ,  KONO, Shinichi ,  SHINOHARA, Tatsuo

Inventor： FANUC LTD

IPC: H02P07/36

CPC classification number: H02P1/26 ,  H02P1/32 ,  H02P23/00 ,  H02P25/20

Abstract: This invention relates to a motor output change-over control unit used for a main shaft operating motor of a machine tool. A conventional unit of this kind produces a wide range constant motor output by gears, and a main shaft operating motor having a single winding is employed. Therefore, the heat buildup of the winding is increased and a transmission mechanism consisting of gears inevitably becomes large-scale. The motor output change-over control unit according to the present invention has output characteristics of an AC motor stabilized over a wide range from a high speed to a low speed by switching over the connection of the power line in the motor.

公开(公告)号：WO2017174957A3

公开(公告)日：2018-01-18

申请号：PCT/GB2017000052

申请日：2017-03-31

Applicant: POWER DRIVE EFFICIENCY LTD

Inventor： TUREVSKY IGOR ALEXANDER ,  NAIMAN MOSHE HAIM ,  NAIMAN ARTHUR

IPC: H02P1/32 ,  G01R21/06 ,  G01R31/34 ,  H02P3/24 ,  H02P25/18

CPC classification number: H02P1/32 ,  G01R21/06 ,  G01R31/34 ,  H02P3/24 ,  H02P25/184 ,  H02P2207/01

Abstract: Methods and control apparatus for operating a three-phase electric motor are described, in which the motor windings are switched between Star and Delta connections depending on torque requirements, and in which the motor windings are switched to a braking mode when braking torque is required. The electromagnetic torque of the motor is monitored, and a command to switch from Star to Delta is given when the electromagnetic torque rises to reach or exceed a threshold. A command to switch from Delta to Star is given when the electromagnetic torque falls to reach a second threshold. The invention discloses a method of determining instantaneous values for the electromagnetic torque of the motor based on measurements of phase current and phase voltage at particular instants in the voltage cycle. The application further discloses a method of timing the switching operation between Star and Delta configurations, or switching from Star or Delta configuration to a dynamic braking mode, to minimise inrush currents by monitoring the vector relationship between the EMF and the supply voltage and performing switching operations in each motor phase when EMF vector is aligned with the supply voltage vector. The application further discloses switching from Star to Delta or Delta to Star when the torque produced by the motor is substantially equal to the torque requirement of the load to maximise efficiency.

Abstract translation: 描述了用于操作三相电动机的方法和控制装置，其中电动机绕组根据转矩要求在星形和三角形连接之间切换，并且其中当需要制动转矩时电动机绕组切换到制动模式。 监测电机的电磁转矩，并在电磁转矩上升达到或超过阈值时给出从星形切换到三角形的命令。 当电磁转矩降低到第二阈值时，给出从Delta切换到Star的命令。 本发明公开了一种基于电压周期中的特定时刻的相电流和相电压的测量来确定电动机的电磁转矩的瞬时值的方法。 该申请还公开了一种定时星形和三角形配置之间的切换操作或从星形或三角形配置切换到动态制动模式的方法，以通过监测EMF和电源电压之间的矢量关系并执行切换操作来使浪涌电流最小化 在每个电动机阶段当EMF矢量与电源电压矢量对齐时。 该申请还公开了当由电动机产生的转矩基本上等于负载的转矩需求以使效率最大化时，从星形转换为三角形或从三角形转换为星形。

公开(公告)号：WO2017020177A1

公开(公告)日：2017-02-09

申请号：PCT/CN2015/085744

申请日：2015-07-31

Applicant: 深圳市大疆创新科技有限公司

Inventor： 陶冶 ,  蓝求 ,  周震昊

IPC: H02P7/06 ,  H02P7/28 ,  H02P1/32

CPC classification number: H02P1/32 ,  H02P7/06 ,  H02P7/28

Abstract: 一种电机控制电路（30），包括功率单元（31-36），为多个，每一功率单元均包括第一功率元件（Q1）及与所述第一功率元件（Q1）串联的第二功率元件（Q2），所述第一功率元件（Q1）与所述第二功率元件（Q2）之间的连接点分别电连接至一电机（10）的各绕组（11、13、15）的进线端（U1、V1、W1）及出线端（U2、V2、W2）；其中，通过控制所述多个功率单元（31-36）中第一功率元件（Q1）及第二功率元件（Q2）的导通或断开，以将所述电机（10）的连接方式切换至星形接法或三角形接法。上述电机控制电路（30）可将所述电机（10）的连接方式切换至星形接法或三角形接法，即实现动态转换，更具实用性。还提供一种电机控制方法、电机系统、无人机及其控制方法。

公开(公告)号：WO2015138766A1

公开(公告)日：2015-09-17

申请号：PCT/US2015/020241

申请日：2015-03-12

Applicant: CANRIG DRILLING TECHNOLOGY LTD.

Inventor： PATRICK, Charles ,  WILLIAMS, Kevin, R.

IPC: H02K17/14 ,  H02P1/32 ,  H02P25/18

CPC classification number: H02K17/12 ,  H02K3/28 ,  H02K2213/09 ,  H02P1/32 ,  H02P25/184 ,  H02P25/188 ,  H02P27/047

Abstract: A multi-speed electric motor may include a plurality of windings arranged into winding phase groups. A speed controller may switch two or more windings between a series and a parallel configuration in each winding phase group. The speed controller may also switch the winding phase groups between a delta and a Wye configuration. By selecting a specific configuration, one or more of the holding torque, torque ratio, no-load maximum speed, and volts/Hz ratio of the AC motor may be optimized for a given application. In some embodiments, the AC motor may be used as part of a piece of drilling rig equipment such as a drawworks, winch, mud pump, top drive, or rotary table.

Abstract translation: 多速电动机可以包括布置成绕组相组的多个绕组。 速度控制器可以在每个绕组相组中的串联和并联配置之间切换两个或更多个绕组。 速度控制器还可以将绕组相位组切换到三角形和W形配置之间。 通过选择特定的配置，可以针对给定的应用优化AC电动机的保持转矩，转矩比，空载最大速度和伏/ Hz比中的一个或多个。 在一些实施例中，AC电动机可以用作诸如绞车，绞车，泥浆泵，顶部驱动器或旋转工作台的钻机设备的一部分。

公开(公告)号：WO1995035532A1

公开(公告)日：1995-12-28

申请号：PCT/HU1995000024

申请日：1995-06-16

Applicant: ENERGESTOR KERESKEDELMI ÉS SZOLGALTATO KFT. ,  KARDOS, Zoltán

Inventor： ENERGESTOR KERESKEDELMI ÉS SZOLGALTATO KFT.

IPC: G05F01/70

CPC classification number: H02P1/32 ,  H02J3/1892

Abstract: The invention relates to a circuit arrangement for decreasing the energy consumption and for protecting of a variable loaded asynchronous motor, which comprises a sensor stage sensing at least one electric parameter of the asynchronous motor, furthermore a processing and adjusting unit connecting to the output of the sensor stage, further a star-delta switch-over stage being in control connection with the output of the processing and adjusting unit, and a power supply for powering said electronic stages and units. The sensor stage comprises a current sensor (1) connected in one of the phase conductors (PL) of the asynchronous motor (M) and an input interface circuit (2) connecting to the current sensor (1); a processing and adjusting unit (3) connected in releasable manner to a programming circuit (6) and comprising a semiconductor storage means (3.2) being connected to a microprocessor (3.1), the outputs of which are connected both to control inputs of an output circuit (4) comprising a star-delta switch-over stage and to control inputs of a remote display; and a powering circuit (5) comprising the power supply (5.2) contains a synchronous signal generator (5.3) connected to the input interface circuit (2) and a pulse deficiency detector (5.4) connected to a control input of the microprocessor (3.1).

Abstract translation: 本发明涉及一种用于降低能量消耗并用于保护可变负载异步电动机的电路装置，其包括感测异步电动机的至少一个电参数的传感器级，此外还涉及连接到异步电动机的输出的处理和调整单元 传感器级，进一步与控制与处理和调整单元的输出连接的星形三角形转换级以及用于为所述电子级和单元供电的电源。 传感器级包括连接在异步电动机（M）的相导体（PL）之一的电流传感器（1）和连接到电流传感器（1）的输入接口电路（2）。 处理和调节单元（3），其以可释放的方式连接到编程电路（6），并且包括连接到微处理器（3.1）的半导体存储装置（3.2），其输出端连接到输出的控制输入端 电路（4）包括星形三角形切换台并控制远程显示器的输入; 并且包括电源（5.2）的供电电路（5）包含连接到输入接口电路（2）的同步信号发生器（5.3）和连接到微处理器（3.1）的控制输入端的脉冲缺陷检测器（5.4） 。

公开(公告)号：WO2015056271A1

公开(公告)日：2015-04-23

申请号：PCT/IN2013/000793

申请日：2013-12-23

Applicant: ANAM, Atul Hareshbhai

Inventor： ANAM, Atul Hareshbhai

IPC: H02P1/00 ,  H01H50/00

CPC classification number: H01H51/005 ,  H01H50/14 ,  H02P1/32

Abstract: The present invention relates to an improved star delta starter for starting a three phase star delta motor comprises improved power contactors configured to have a pair of three pole delta and main contactors, and a single pole star contactor for supplying AC power to star position and delta position, a timer control with a logic circuit for controlling AC power supply switching operation for star position and delta position and for adjusting a time delay of switching over from star connection to delta connection, an overload relay for protecting motor from overload, and start and stop push buttons to perform starting and stopping operation of star delta starter.

Abstract translation: 本发明涉及一种用于启动三相星形三角马达的改进的星形三角形起动器，其包括被配置成具有一对三极三角形和主接触器的改进的功率接触器，以及用于向星形位置和三角形提供AC电力的单极星形接触器 位置，具有用于控制星形位置和三角形位置的交流电源切换操作的逻辑电路的定时器控制，以及用于调节从星形连接到三角形连接的切换的延时，用于保护电动机免于过载的过载继电器， 停止按钮执行星型起动器的起动和停止运行。

公开(公告)号：WO2013187640A1

公开(公告)日：2013-12-19

申请号：PCT/KR2013/005056

申请日：2013-06-10

Applicant: 엘에스산전 주식회사

Inventor： 박기훈

IPC: H02P1/04

CPC classification number: H02P1/26 ,  H02P1/04 ,  H02P1/32

Abstract: 모터 스타터 시스템 및 이의 동작방법이 개시된다. 본 발명의 실시예에 의하면, 외부 센서로부터 출력되는 아날로그 센서값을 이용하여 전자접촉기의 온(on)/오프(off) 상태로 자동 제어할 수 있으므로, 과전류시에 모터 보호 기능의 신뢰성이 보다 향상된다. 또한, 연결된 상위 감시 장치에서 외부 센서값을 수신할 수 있고, 모터 스타터 상태의 실시간 감시가 가능하며, 직접 전자접촉기의 온/오프 상태를 제어하기 위한 제어명령을 전송할 수 있으므로 조작성이 우수하고 종합적인 수명예측 및 모터의 부하관리가 가능하다. 나아가, PLC의 I/O을 이용하여 전자접촉기를 제어하는 경우보다 배선작업 및 그에 따른 비용이 감소되며, 공간 활용을 더욱 극대화할 수 있다.

Abstract translation: 公开了一种电动机起动器系统及其操作方法。 根据本发明的实施例，通过使用从外部传感器输出的模拟传感器值自动控制电磁接触器的接通/断开状态来提高过电流期间的电动机保护功能的可靠性。 此外，本发明可以通过连接的上部监视装置，实时监视电动机启动器状态来接收外部传感器值，并且发送用于直接控制电磁接触器的接通/断开状态的控制命令，因此 实现卓越的运行，一体化的寿命预测和电机负载管理。 此外，与使用PLC的I / O控制电磁接触器相比，本发明可以减少布线工作和成本，并最大限度地利用空间。