会员体验
专利管家(专利管理)
工作空间(专利管理)
风险监控(情报监控)
数据分析(专利分析)
侵权分析(诉讼无效)
联系我们
交流群
官方交流:
QQ群: 891211   
微信请扫码    >>>
现在联系顾问~
热词
    • 3. 发明申请
    • CONTROL SYSTEM FOR AN INDUCTION MOTOR
    • 一种感应电机的控制系统
    • WO2015164686A1
    • 2015-10-29
    • PCT/US2015/027427
    • 2015-04-24
    • KMT WATERJET SYSTEMS INC.
    • ZEYN, Paul V.LAWSON, David L.STEPHENS, Jeffrey D.
    • H02P1/32
    • H02P25/184H02P1/28H02P1/32
    • 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.
    • 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。
    • 4. 发明申请
    • STAR-TO-TRIANGLE SWITCHING ELEMENT
    • STAR-TO-TRIANGLE开关元件
    • WO00057444A1
    • 2000-09-28
    • PCT/SI2000/000005
    • 2000-03-21
    • H01H50/20H01H3/00H01H50/04H01H50/14H01H50/34H01H50/54H01H50/64H01H51/00H01H51/06H01H51/12H02P1/32
    • H01H51/12H01H51/005
    • The invention refers to the star-to-triangle switching element that allows for switch-on, start-up and operation of asynchronous electromotors and successfully replaces the existing versions of contactor combinations for control of asynchronous motors with the power exceeding 4kW, which, however, does not limit its use elsewhere. The constructional concept of the switching element referred to in this invention provides for three independent positions, which is via the transmission elements transmitted into the contact section where the mobile support of flexible contacts with its movement closes the corresponding contacts, which first provides for electromotor power supply - star (Y) - with reverse connection to the star point, and upon the lapse of certain time, for power supply - triangle (D). This is achieved in such a way that the driving element consists of two fixed armatures (1) bearing, attached with special loops (3), the coils (4,5), separated by distance plates (6) that at the same time serve as a guide for the joint armature (2) with the opening (c) wherein fits the mobile metal support (7) in the way that the armature (2) is limited in its movement.
    • 本发明涉及允许异步电动机的接通,启动和操作的星形到三角形的开关元件,并且成功地替代了功率超过4kW的异步电动机的现有版本的接触器组合,以控制异步电动机 ,并不限制其他地方的使用。 本发明中提及的开关元件的结构概念提供了三个独立的位置,其通过传输到接触部分中的传动元件,其中柔性触点的移动支撑件与其运动闭合相应的触点,其首先提供电动机功率 供电星(Y) - 与星点反向连接,经过一定时间后,供电 - 三角(D)。 这是以这样的方式实现的,即驱动元件由两个固定的电枢(1)组成,这两个固定电枢(1)具有连接有特殊环(3)的线圈(4,5),线圈(4,5)由距离板(6)分开,同时服务 作为具有开口(c)的关节电枢(2)的引导件,其中开口(c)以电枢(2)在其运动中受限制的方式配合移动金属支撑件(7)。
    • 5. 发明申请
    • METHOD AND APPARATUS FOR CONTROLLING THREE-PHASE ELECTRIC MOTOR
    • 用于控制三相电动机的方法和设备
    • WO2017174957A2
    • 2017-10-12
    • PCT/GB2017/000052
    • 2017-03-31
    • POWER DRIVE EFFICIENCY LTD
    • TUREVSKY, Igor AlexanderNAIMAN, Moshe HaimNAIMAN, Arthur
    • H02P1/32H02P25/18H02P3/24
    • 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.
    • 描述了用于操作三相电动机的方法和控制设备,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,并且其中电动机绕组切换到 需要制动转矩时的制动模式。 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。 该申请进一步公开了当由电动机产生的扭矩基本上等于负载的扭矩需求以使效率最大化时,从星形到三角形或从三角形到星形的切换。
    • 6. 发明申请
    • ELECTRONICALLY CONTROLLED CHANGEOVER SWITCH
    • 电子控制转换开关
    • WO02061924A9
    • 2002-11-21
    • PCT/US0202442
    • 2002-01-29
    • SOLECTRIA CORP
    • HAINES LANCE PARNET BEAT J
    • H02K17/30H02P1/32H02P25/18H02K11/00H02K1/18H02K17/44H02K19/38H02K23/00H02K47/00H02P1/00H02P1/18H02P1/26H02P1/42H02P1/46H02P1/50H02P3/00H02P3/08H02P3/18H02P5/06H02P5/28H02P7/00H02P7/06H02P7/36
    • H02P25/18H02K17/30H02P1/32
    • A controllable switching mechanism (100) integrally housed within a motor (100) to optimally couple the windings (112, 114, 116) of an AC motor for improved torque-speed characteristics. The switching mechanism (100) includes a plurality of double throw switches (121, 123, 125) each with a first and second closed position. The first closed position results in connecting the windings (112, 114, 116) of the AC motor (102) in one configuration for improved torque at lower rotor speeds. The second closed position results in connecting the windings (112, 114, 116) of the AC motor (102) in another configuration for improved torque at higher speeds. The winding configurations may be wye for lower speeds and delta for higher speeds. An accompanying controller (104), based on various inputs, optimally senses the best time for switching between configurations and sends appropriate control signals to the switching mechanism (100) housed with the AC motor (102).
    • 一种整体地容纳在电动机(100)内的可控开关机构(100),用于最佳地耦合AC电动机的绕组(112,114,116)以改善扭矩 - 速度特性。 开关机构(100)包括多个双掷开关(121,123,125),每个双掷开关具有第一和第二闭合位置。 第一关闭位置导致AC马达(102)的绕组(112,114,116)以一种构造连接,以在较低的转子速度下改善扭矩。 第二关闭位置导致AC马达(102)的绕组(112,114,116)以另一种配置连接,以在更高速度下改善转矩。 对于较低速度,绕组配置可以是星形,对于较高速度可以是三角形。 基于各种输入的伴随控制器(104)最佳地感测用于在配置之间切换的最佳时间并将适当的控制信号发送到容纳在AC马达(102)中的切换机构(100)。
    • 7. 发明申请
    • METHOD OF CONTROLLING AN INDUCTION MOTOR AND APPARATUS THEREOF
    • 控制电动机及其装置的方法
    • WO00077919A1
    • 2000-12-21
    • PCT/KR2000/000607
    • 2000-06-10
    • H02P1/32
    • H02P1/32
    • A method of controlling an induction motor is disclosed. The method includes the steps of: a) selecting a mode of driving the induction motor; b) manually setting a driving current value, a peak current value, a Y-starting time period, and a delay time period when the mode of driving the induction motor is manual; c) starting and driving the motor according to the driving current value, the peak current value, the Y-starting time period, and the delay time period; d) detecting a peak current value, a driving current value, a Y-starting time period, and a delay time period based on three-phase current values being input in the induction motor; and e) starting and driving the induction motor according to the peak current value, the driving current value, the Y-starting time period, and the delay time period which are detected by step d) when the mode of driving the induction motor is automatic. According to the method, the induction motor is accurately controlled by automatically setting control parameters of the induction motor.
    • 公开了一种控制感应电动机的方法。 该方法包括以下步骤:a)选择驱动感应电机的模式; b)手动设定驱动电流值,峰值电流值,Y起动时间段和驱动感应电动机的模式的手动延迟时间; c)根据驱动电流值,峰值电流值,Y起动时间段和延迟时间段启动和驱动电动机; d)基于在感应电动机中输入的三相电流值来检测峰值电流值,驱动电流值,Y起动时间段和延迟时间段; 以及e)当感应电动机的驱动模式是自动的时,根据通过步骤d)检测的峰值电流值,驱动电流值,Y开始时间段和延迟时间段来启动和驱动感应电动机 。 根据该方法,通过自动设定感应电动机的控制参数来精确地控制感应电动机。
    • 8. 发明申请
    • A MAGNETIC CONTACTOR FOR STAR-DELTA CONNECTIONS
    • 用于STAR-DELTA连接的磁性接触器
    • WO00068965A1
    • 2000-11-16
    • PCT/KR2000/000039
    • 2000-01-20
    • H01H50/04H01H50/00H01H50/14H01H50/54H01H51/00H02P1/32
    • H01H51/005H01H50/14H01H50/546
    • Disclosed is an electromagnetic switch device for star-delta connections including a body, three power terminals respectively connected to three-phase power lines at one side of the body, three main starting terminals respectively connected to one-side terminals of a three-phase electric motor at the other side of the body, three star-delta terminals respectively connected to the other-side ends of the three-phase electric motor at the other side of the body, an electromagnet for a main circuit and an electromagnet for star-delta connections disposed at a lower portion of the body in such a fashion that they are laterally aligned with each other, each of the electromagnets including a fixed core and a coil wound around the fixed core, a main circuit switching unit serving to selectively connect each of the main starting terminals to an associated one of the power terminals in accordance with a magnetization of the main circuit-end electromagnet, and a star-delta connection switching unit serving to selectively connect the star-delta terminals to one another or to the main starting terminals, respectively, in accordance with a magnetization of the star-delta connection-end electromagnet.
    • 公开了一种用于星型 - 三角形连接的电磁开关装置,包括主体,分别连接到主体一侧的三相电力线的三个电源端子,三个主起动端子分别连接到三相电动机的一侧端子 主体另一侧的电动机,分别与主体另一侧的三相电动机的另一端连接的三个三角形三角形端子,主电路用电磁铁和星形三角形电磁铁 以使它们彼此横向对准的方式设置在主体的下部的每个电磁体包括固定的磁芯和缠绕在固定磁芯上的线圈;主电路切换单元,用于选择性地连接 主起动端子根据主电路端电磁体的磁化和相关联的一个电源端子,以及星形三角形连接切换un 其用于根据星形三角形连接端电磁体的磁化分别选择性地将星形三角形端子彼此连接或连接到主起始端子。