公开(公告)号：US20120163044A1

公开(公告)日：2012-06-28

申请号：US13331051

申请日：2011-12-20

Applicant: Alvar MAYOR MIGUEL ,  Andres AGUDO ARAQUE

Inventor： Alvar MAYOR MIGUEL ,  Andres AGUDO ARAQUE

IPC: H02M5/458

CPC classification number: H02M7/49 ,  H02M1/12 ,  H02M1/32 ,  H02M5/4585 ,  H02M7/219 ,  H02M7/23 ,  H02M7/483 ,  H02M7/493 ,  H02M7/5387 ,  H02P27/14 ,  H02P2101/15 ,  H02P2201/03

Abstract: Multilevel voltage arrangement having a transformer and a power converter or inverter comprising one or more common DC links connectable to a power source, said arrangement comprising one first set of H bridges being connected to said common DC link, wherein each of said H bridges comprises with at least two nodes connected to the ends of wirings at the primary side of a transfer, wherein control means are configured for controlling H bridges so as to achieve a multilevel voltage signal between the first node and the second node of said H bridges.

Abstract translation: 具有变压器和功率转换器或逆变器的多电平电压布置包括可连接到电源的一个或多个公共DC链路，所述装置包括连接到所述公共DC链路的一组第一组H桥，其中每个所述H桥包括 至少两个节点连接到传输的初级侧的布线端，其中控制装置被配置用于控制H桥，以便在所述H桥的第一节点和第二节点之间实现多电平电压信号。

公开(公告)号：US08004808B2

公开(公告)日：2011-08-23

申请号：US12294183

申请日：2007-03-27

Applicant: Nobuhiro Nakamura

Inventor： Nobuhiro Nakamura

IPC: H02H3/08

CPC classification number: H02M1/32 ,  G01R31/028 ,  G01R31/42 ,  H02H7/122 ,  H02H7/16 ,  H02H9/001 ,  H02M1/36 ,  H02M5/458 ,  H02P2201/03

Abstract: The present invention provides a control apparatus for detecting an early stage short circuit between the terminals of an electrolytic capacitor, and detecting a short circuit between a load that is connected in parallel to the electrolytic capacitor, the apparatus performing appropriate processing before an adverse effect is inflicted on peripheral equipment. In the control apparatus, microcomputers switch on a second relay; an electrolytic capacitor is gradually charged via a current-limiting resistor; a first voltage detection control for detecting a voltage between terminals of the electrolytic capacitor is performed when a first set time period has elapsed after the second relay has been switched on; and a second voltage detection control for detecting a voltage between the terminals of the electrolytic capacitor is performed when a second set time period, which is longer than the first set time period, has elapsed after the second relay has been switched on.

Abstract translation: 本发明提供一种用于检测电解电容器的端子之间的早期短路并检测与电解电容器并联连接的负载之间的短路的控制装置，该装置在不利影响之前进行适当的处​​理 对外围设备造成的影响。 在控制装置中，微型计算机接通第二继电器; 电解电容器通过限流电阻逐渐充电; 当在第二继电器接通之后经过第一设定时间时，执行用于检测电解电容器端子之间的电压的第一电压检测控制; 并且当在第二继电器接通之后已经经过比第一设定时间长的第二设定时间段时，执行用于检测电解电容器的端子之间的电压的第二电压检测控制。

公开(公告)号：US07746020B2

公开(公告)日：2010-06-29

申请号：US11931993

申请日：2007-10-31

Applicant: Harold R. Schnetzka ,  Ivan Jadric ,  Shreesha Adiga Manoor

Inventor： Harold R. Schnetzka ,  Ivan Jadric ,  Shreesha Adiga Manoor

IPC: G05D23/275

CPC classification number: H02M1/12 ,  F25B49/025 ,  F25B2600/021 ,  H02M2001/123 ,  H02P27/08 ,  H02P29/50 ,  H02P2201/03 ,  H03L7/093 ,  H03L7/095 ,  H05K7/20936 ,  Y02B30/741

Abstract: Systems and methods for improved Variable Speed Drives having active inverters include an input filter for filtering common mode and differential mode currents. A three-phase inductor has three windings, each winding of the three-phase inductor having a center tap dividing each winding into a pair of inductor sections; and a three-phase input capacitor bank connected in a wye configuration to the three center taps at one end, and to a common point at the opposite end. The three-phase input capacitor bank provides a short circuit for frequencies above a predetermined fundamental frequency for shunting such frequencies through the three phase capacitor bank, while passing the predetermined fundamental frequency to an input AC power source.

Abstract translation: 具有有源反相器的改进型变速驱动器的系统和方法包括用于滤除共模和差模电流的输入滤波器。 三相电感器具有三个绕组，三相电感器的每个绕组具有将每个绕组分成一对电感器部分的中心抽头; 以及三相输入电容器组，其以一个配置形式连接到一端的三个中心抽头，另一端连接到公共点。 三相输入电容器组为预定基频以上的频率提供短路，用于通过三相电容器组将这些频率分流，同时将预定基频通过输入AC电源。

公开(公告)号：US07112931B2

公开(公告)日：2006-09-26

申请号：US10971084

申请日：2004-10-25

Applicant: Yasuhiko Kitajima

Inventor： Yasuhiko Kitajima

IPC: H02K33/00

CPC classification number: H02P27/08 ,  H02P2201/03

Abstract: An inverter supply voltage generator comprises an inverter supply voltage computing unit 10, a voltage converter 11 and a battery 12. The inverter supply voltage generator varies inverter supply voltage Vdc in synchronization with motor-application voltages Vu_pwm, Vv_pwm, and Vw_pwm. Thus, the degree of freedom of the switching operation of a PWM inverter 13 is increased, an inverter loss and the size of the PWM inverter 13 can be reduced, and its efficiency can be enhanced without deteriorating the driving efficiency of an IPM motor 14.

Abstract translation: 逆变器电源电压发生器包括逆变器电源电压计算单元10，电压转换器11和电池12。 逆变器电源电压发生器与电动机施加电压Vu_pwm，Vv_pwm和Vw_pwm同步地改变变频器电源电压Vdc。 因此，PWM逆变器13的开关动作的自由度增加，可以减少逆变器损耗和PWM逆变器13的尺寸，并且可以在不降低IPM电动机14的驱动效率的情况下提高其效率。

公开(公告)号：US06720753B2

公开(公告)日：2004-04-13

申请号：US10191282

申请日：2002-07-10

Applicant: Akira Kikuchi ,  Motoo Futami ,  Yasuyuki Sugiura ,  Naoshi Sugawara ,  Kouichi Miyazaki

Inventor： Akira Kikuchi ,  Motoo Futami ,  Yasuyuki Sugiura ,  Naoshi Sugawara ,  Kouichi Miyazaki

IPC: H02M545

CPC classification number: H02P9/305 ,  H02P21/18 ,  H02P21/26 ,  H02P2201/03

Abstract: An apparatus for controlling a synchronous generator having a converter. A voltage detector detects a terminal voltage of a stator of the synchronous generator. A current detector detects a current flowing through the stator. A rotor position estimating part estimates a rotor position of the synchronous generator from the detected voltage and current. An active power detector detects a active power of the synchronous generator. A reactive power detector detects a reactive power of the synchronous generator or a terminal voltage detector detects an effective value of a terminal voltage of the stator. An active power controller adjusts a q-axis current command to control the active power, and a reactive power controller or terminal voltage controller adjusts a d-axis current command to control the reactive power or terminal voltage.

Abstract translation: 一种用于控制具有转换器的同步发电机的装置。 电压检测器检测同步发电机的定子的端子电压。 电流检测器检测流过定子的电流。 转子位置估计部件根据检测到的电压和电流来估计同步发电机的转子位置。 有功功率检测器检测同步发电机的有功功率。 无功功率检测器检测同步发电机的无功功率，或端子电压检测器检测定子的端电压的有效值。 有功功率控制器调节q轴电流指令以控制有功功率，无功功率控制器或端子电压控制器调节d轴电流指令以控制无功功率或端子电压。

公开(公告)号：US5608301A

公开(公告)日：1997-03-04

申请号：US495962

申请日：1995-06-28

Applicant: Masahiro Inaniwa ,  Nobuharu Kido ,  Takahiro Fujimaki ,  Shinji Watanabe ,  Noriyasu Matsufuji ,  Yoshinori Tobita

Inventor： Masahiro Inaniwa ,  Nobuharu Kido ,  Takahiro Fujimaki ,  Shinji Watanabe ,  Noriyasu Matsufuji ,  Yoshinori Tobita

IPC: H02M5/458 ,  H02P23/06 ,  H02M7/539

CPC classification number: H02M5/4585 ,  H02P23/07 ,  H02P2201/03 ,  H02P2201/07

Abstract: A power control apparatus for controlling power supplied to an electric motor rotating a rotor employed in a centrifuge is provided. The power control apparatus includes first and second inverters and a smoothing capacitor disposed between the first and second inverters. In a motor power mode, the first inverter charges the smoothing capacitor with power supplied by an AC power supply, while the second inverter charges, in a motor braking mode, the smoothing capacitor with power regenerated by the motor during a braking operation for returning the regenerated power back to the AC power supply through the first inverter. An reactor is arranged between the AC power supply and the first inverter for reducing harmonic components contained in the current supplied from or back to the AC power supply.

Abstract translation: 提供一种功率控制装置，用于控制向离心机中使用的转子旋转的电动机的供给。 功率控制装置包括第一和第二反相器和设置在第一和第二反相器之间的平滑电容器。 在电动机功率模式中，第一变换器用交流电源供电的电力对平滑电容器充电，而第二变换器在电动机制动模式下对制动操作期间电动机再生电力的平滑电容器进行充电， 通过第一个逆变器将再生的电力返回给交流电源。 在交流电源和第一逆变器之间设置一个电抗器，用于减少由交流电源供给或返回的电流中包含的谐波分量。

公开(公告)号：US5220264A

公开(公告)日：1993-06-15

申请号：US740895

申请日：1991-08-06

Applicant: Eiji Yamada

Inventor： Eiji Yamada

IPC: H02P6/06 ,  H02M5/458 ,  H02P27/04

CPC classification number: H02M5/4585 ,  H02P27/045 ,  H02P2201/03

Abstract: In an AC servomotor control system consisting of an inverter for controlling a rotational speed and an output torque of an AC servomotor, a converter for controlling a DC voltage at a connecting point between an inverter and a converter, and a controller, the DC voltage is controlled at a constant voltage when the rotational speed is under a rated speed .omega..sub.b, and controlled as an increasing voltage in proportion to the rotational speed when it is over the rated speed .omega..sub.b so that the output torque of the servomotor is maintained at a constant torque.

Abstract translation: 在由用于控制交流伺服电机的转速和输出转矩的逆变器构成的交流伺服电动机控制系统中，用于控制逆变器与转换器之间的连接点的直流电压的转换器以及控制器，所述直流电压为 当旋转速度低于额定转速ωb时，以恒定的电压被控制，并且当其超过额定速度ωb时，作为与转速成比例的增加的电压被控制，使得伺服电动机的输出转矩维持在 恒转矩。

公开(公告)号：US4901001A

公开(公告)日：1990-02-13

申请号：US271404

申请日：1988-11-14

Applicant: Suzuo Saito ,  Tadao Mose

Inventor： Suzuo Saito ,  Tadao Mose

IPC: H02M5/451 ,  H02M5/45 ,  H02M7/757 ,  H02P1/30 ,  H02P27/06

CPC classification number: H02P27/06 ,  H02M5/4505 ,  H02M7/757 ,  H02P1/30 ,  H02P2201/03

Abstract: A power converter for starting an AC induction motor includes a frequency detector which compares the frequency of an AC output of the converter with a predetermined frequency and generates a detection signal if the AC output frequency is lower than the predetermined frequency, a current controller which controls the power converter such that an AC output current supplied to the motor is determined in accordance with a given current reference if the detection signal is generated, and a voltage controller which controls the power converter so that an AC output voltage applied to the motor is regulated in accordance with a given voltage reference if the detection signal disappears.

Abstract translation: 用于启动AC感应电动机的电力转换器包括频率检测器，其将转换器的AC输出的频率与预定频率进行比较，并且如果AC输出频率低于预定频率则产生检测信号;控制器 所述功率转换器使得如果产生所述检测信号，则根据给定的电流参考来确定提供给所述电动机的AC输出电流;以及电压控制器，其控制所述功率转换器，使得施加到所述电动机的AC输出电压被调节 如果检测信号消失，则根据给定的参考电压。

公开(公告)号：US4736148A

公开(公告)日：1988-04-05

申请号：US914273

申请日：1986-10-02

Applicant: Akio Hirata

Inventor： Akio Hirata

IPC: H02M5/45 ,  H02M7/527 ,  H02P27/06 ,  H02P3/18

CPC classification number: H02P27/06 ,  H02M5/4505 ,  H02M7/527 ,  H02P2201/03

Abstract: A self-extinguishing element such as a gate turn-off thyristor (GTO) is used for each arm of the inverter. A capacitive load is connected to the output terminal of the inverter. In a region where the output frequency of the inverter is low, the self-extinguishing element is forcibly commutated. In a high-frequency region, where the output frequency of the inverter is higher than that in the low-frequency region, the capacitive load causes the self-extinguishing element to be load-commutated.

Abstract translation: 逆变器的每个臂都使用自熄灭元件，如门极关断晶闸管（GTO）。 电容性负载连接到逆变器的输出端。 在逆变器的输出频率低的区域，强制换向自熄元件。 在逆变器的输出频率高于低频区域的高频区域中，容性负载使得自熄元件被负载换向。

公开(公告)号：US4678063A

公开(公告)日：1987-07-07

申请号：US778042

申请日：1985-09-20

Applicant: Takashi Kitaoka ,  Eiki Watanabe

Inventor： Takashi Kitaoka ,  Eiki Watanabe

IPC: H02P3/18 ,  B66B1/30 ,  B66B1/32 ,  H02P23/06

CPC classification number: B66B1/30 ,  H02P23/07 ,  H02P2201/03

Abstract: An elevator control system connected to a source of three-phase alternating current which is rectified by a converter to direct current which is converted to a variable-voltage variable-frequency A.C. voltage which, in turn, drives the elevator hoist motor. A resistor and a switch are connected across the D.C. terminals of the converter. When the motor is operating in the regenerative mode, the switch is closed to permit the regenerated circuit to flow through the resistor which dissipates or consumes the regenerated power. When the regenerated power being consumed by the resistor is detected to exceed a predetermined value, the excess regenerated power is returned to the A.C. source through a regenerative inverter.

Abstract translation: 连接到三相交流电源的电梯控制系统，其由转换器整流以将直流电转换成可变电压可变频率交流电压，其依次驱动电梯起重电动机。 电阻和开关连接在转换器的直流电源端。 当电机在再生模式下工作时，开关闭合，以使再生电路流过电阻器，消耗或消耗再生电力。 当检测到由电阻器消耗的再生功率超过预定值时，通过再生逆变器将过量的再生功率返回到交流电源。