公开(公告)号：KR1020050045458A

公开(公告)日：2005-05-17

申请号：KR1020030079534

申请日：2003-11-11

Applicant: 삼성전자주식회사

Inventor： 염장현 ,  박원기 ,  박종필 ,  용형중

IPC: H02M7/48 ,  H02M1/32

Abstract: 과전압 방지 제어 장치를 내장한 인버터를 개시한다. 본 발명은 각각의 인버터가 능동 전력 모듈을 내장하면서도 전력 운용의 효율성을 극대화시키는데 그 목적이 있다. 이와 같은 목적의 본 발명에 따른 인버터는 직류 전압을 가변 주파수 및 가변 전압의 교류 전압으로 변환하되, 직류 전압이 미리 설정된 값을 초과하면 과도한 직류 전압을 감압시키는 제 1 과전압 방지 제어 장치가 내장된다.

公开(公告)号：KR1020040073740A

公开(公告)日：2004-08-21

申请号：KR1020030009430

申请日：2003-02-14

Applicant: 삼성전자주식회사

Inventor： 염장현 ,  박종필

IPC: H02P3/22

CPC classification number: H02P3/22

Abstract: PURPOSE: A motor control apparatus and a control method thereof are provided to achieve improved effectiveness of dynamic breaking function by changing the amount of over-current generated from a motor in accordance with the rotation speed of the motor during braking. CONSTITUTION: A motor control apparatus comprises an inverter unit having a plurality of switching elements(21) constituting a bridge circuit, and which supplies AC power to a motor(1); a brake relay(31) which is turned on when the motor is braked, and causes a short circuit between motor coils; brake resistors(33) connected to the motor coils, and which consume the over-current generated from the motor when a short circuit is caused between the motor coils by the brake relay; and a switching control unit for turning on/off the switching element arranged at one of both ends of the inverter unit, in such a manner that the amount of over-current consumed by the brake resistor changes in proportion to the rotating speed of the motor when a short circuit is caused between the motor coils by the brake relay.

Abstract translation: 目的：提供一种电动机控制装置及其控制方法，通过根据制动时的电动机的转速改变从电动机产生的过电流量来实现动态断路功能的提高的效果。 构成：电动机控制装置包括具有构成桥接电路的多个开关元件（21）的逆变器单元，其向电动机（1）供给交流电力; 制动继电器（31），其在电动机制动时接通，并且在电动机线圈之间引起短路; 制动电阻器（33），其连接到所述电动机线圈，并且当所述制动继电器在所述电动机线圈之间产生短路时消耗从所述电动机产生的过电流; 以及切换控制单元，其以布置在逆变器单元的两端的一端的开关元件的开/关的方式使得制动电阻器消耗的过电流量与电动机的转速成比例地变化 当制动继电器在电动机线圈之间产生短路时。

公开(公告)号：KR1020040064091A

公开(公告)日：2004-07-16

申请号：KR1020030001365

申请日：2003-01-09

Applicant: 삼성전자주식회사

Inventor： 염장현

IPC: H02H3/20

CPC classification number: H02H9/001 ,  H02P2201/07 ,  Y02P80/112

Abstract: PURPOSE: A power supply unit and a controlling method thereof are provided to reduce the number of components and the manufacturing cost by improving a structure of the power supply unit. CONSTITUTION: A power supply unit includes a switching element, a diode, an inductance, a resistance, a first relay, and a controller. The switching element(4) is connected in parallel to a capacitor. The diode(5) includes a cathode connected to the capacitor and an anode connected to the switching element. The inductance(6) is arranged between the rectifier and a branch point of the switching element and the diode. The resistor(7) is connected in parallel to the diode. The first relay(8) includes a first contact for connecting the branch point to the resistor and a second contact for connecting the branch point to the inductance. The controller(11) is used for performing a control operation to connect the first relay to the second contact when a voltage between both ends of the capacitor exceeds a PFC limit voltage.

Abstract translation: 目的：提供电源单元及其控制方法，通过改善电源单元的结构来减少部件数量和制造成本。 构成：电源单元包括开关元件，二极管，电感，电阻，第一继电器和控制器。 开关元件（4）并联连接到电容器。 二极管（5）包括连接到电容器的阴极和连接到开关元件的阳极。 电感（6）布置在整流器与开关元件和二极管的分支点之间。 电阻器（7）并联连接到二极管。 第一继电器（8）包括用于将分支点连接到电阻器的第一触点和用于将分支点连接到电感的第二触点。 当电容器两端的电压超过PFC极限电压时，控制器（11）用于执行控制操作，以将第一继电器连接到第二接点。

公开(公告)号：KR1020040056417A

公开(公告)日：2004-07-01

申请号：KR1020020082460

申请日：2002-12-23

Applicant: 삼성전자주식회사

Inventor： 염장현

IPC: H02H7/08

CPC classification number: H02P3/12

Abstract: PURPOSE: An apparatus for preventing rush currents in a motor and a dynamic braking device are provided to reduce parts number when designing a circuit and to reduce a size and a manufacturing cost. CONSTITUTION: A dynamic braking device comprises a diode rectifying unit(30) for rectifying power supplied from an AC power source; a capacitor(40) for smoothing the power; a resistor(62) disposed between the AC power source and the capacitor; an inverter(50) connected to the both end sides of the capacitor and a power input terminal of the motor; a dynamic braking circuit for shorting the power input terminal of the motor; and a relay unit(64) including a first contact point for connecting the dynamic braking circuit with the resistor and a second contact point for connecting the resistor with the capacitor in parallel.

Abstract translation: 目的：提供一种用于防止电动机和动态制动装置中的冲击电流的装置，用于在设计电路时减少零件数量并减小尺寸和制造成本。 构成：动态制动装置包括用于整流从AC电源供给的电力的二极管整流单元（30） 用于平滑电力的电容器（40） 设置在所述AC电源和所述电容器之间的电阻器（62） 连接到电容器的两端侧的反相器（50）和电动机的电力输入端子; 用于短路电机的电源输入端的动态制动电路; 以及包括用于将动态制动电路与电阻器连接的第一接触点和用于将电阻器与电容器并联连接的第二接触点的中继单元（64）。

公开(公告)号：KR1020040042333A

公开(公告)日：2004-05-20

申请号：KR1020020070584

申请日：2002-11-14

Applicant: 삼성전자주식회사

Inventor： 염장현 ,  박원기

IPC: H01L23/34

CPC classification number: H01L23/4006 ,  H01L23/60 ,  H01L2023/405 ,  H01L2023/4068 ,  H01L2224/48091 ,  H01L2224/48227 ,  H01L2924/1305 ,  H01L2924/13055 ,  H01L2924/00014 ,  H01L2924/00

Abstract: PURPOSE: A heat dissipation system of a semiconductor device is provided to be capable of removing the parasitic capacitance between a heat sink of the semiconductor device itself and an outer heat sink for increasing the tolerance for common mode noise. CONSTITUTION: A heat dissipation system of a semiconductor device is provided with an outer heat sink(40) connected to the semiconductor device for being connected with a ground line, and a conductive part(20) between a heat sink and the outer heat sink for electrically connecting the heat sink with the outer heat sink. The heat dissipation system further includes a heat conductive insulation part(30) inserted between the heat sink and the outer heat sink. Preferably, the conductive part is made of a thin film. Preferably, the thin film has a protrusion for being connected with the heat sink or the outer heat sink.

Abstract translation: 目的：提供半导体器件的散热系统，以便能够消除半导体器件本身的散热器和外部散热器之间的寄生电容，以增加对共模噪声的容限。 构成：半导体器件的散热系统设置有连接到半导体器件的外部散热器（40），用于与接地线连接，以及在散热器和外部散热器之间的导电部分（20），用于 将散热器与外部散热器电连接。 散热系统还包括插入散热器和外部散热器之间的导热绝缘部件（30）。 优选地，导电部分由薄膜制成。 优选地，薄膜具有用于与散热器或外部散热器连接的突起。

公开(公告)号：KR1020040041200A

公开(公告)日：2004-05-17

申请号：KR1020020069167

申请日：2002-11-08

Applicant: 삼성전자주식회사

Inventor： 염장현

IPC: H02M1/32 ,  H02M7/48

CPC classification number: H02M7/219 ,  H02M1/32 ,  H02M7/5387 ,  Y02P80/116

Abstract: PURPOSE: A power supply unit of a motor and a method for supplying power to a motor are provided to enhance the efficiency of energy by applying an over-voltage to an input power source in a process for applying the over-voltage to a DC converter. CONSTITUTION: A power supply unit of a motor includes an AC power supply part(1), a DC conversion part(7) for converting the commercial AC power to the DC power, and an anti-inrush current resistor(4) installed between the AC power supply part(1) and the DC conversion part(7). The power supply unit of the motor further includes an over-voltage protection switching part(5), a sensing part, and a control part(20). The over-voltage protection switching part(5) is installed between the anti-inrush current resistor(4) and the DC conversion part. The sensing part is used for sensing the voltage between both ends of the DC conversion part. The control part(20) is used for controlling on/off operation of the over-voltage protection switching part.

Abstract translation: 目的：提供电动机的电源单元和向电动机供电的方法，以通过在将过电压施加到DC转换器的过程中向输入电源施加过电压来提高能量的效率 。 构成：电动机的电源单元包括交流电源部分（1），用于将商用交流电转换为直流电力的直流转换部分（7）和安装在所述直流电源部分之间的防涌流电阻（4） 交流电源部件（1）和直流转换部件（7）。 电动机的电源单元还包括过电压保护开关部（5），感测部和控制部（20）。 过电压保护开关部分（5）安装在抗涌流电阻（4）和直流转换部分之间。 感测部分用于感测直流转换部分两端的电压。 控制部（20）用于控制过电压保护切换部的开/关动作。

公开(公告)号：KR100428506B1

公开(公告)日：2004-04-28

申请号：KR1020010051072

申请日：2001-08-23

Applicant: 삼성전자주식회사

Inventor： 염장현

IPC: H02M7/00

Abstract: PURPOSE: An AC/DC converter is provided to compensate non-linear elements without using a multiplier for controlling a power factor. CONSTITUTION: A rectification portion(100) rectifies AC power. The first control portion(121) controls an output level of the rectification portion(100). A current sense portion(110) detects output current of the rectification portion(100) and outputs the output current as a voltage. The second control portion(122) controls a level of output voltage of the current sense portion(110). The first sum portion(131) sums up the output of the first control portion(121) and a negative value of the output of the second control portion(122). A current control portion(160) outputs a current control signal according to an output signal of the first sum portion(131). The second sum portion(132) sums up a negative value of the output voltage and a reference voltage of a reference voltage portion(141). A voltage control portion(150) outputs a voltage control signal according to an output signal of the second sum portion(132). The third control portion(123) controls a level of an output voltage of the rectification portion(100). The third sum portion(133) sums up a negative value of an output of the third control portion(123) and an output of a duty reference voltage portion(142). The fourth sum portion(134) sums up an output of the voltage control portion(150) and a negative value of an output of the third sum portion(133). A signal limit portion(170) receives an output of the current control portion(160) and an output signal of the fourth sum portion(134). A pulse width modulation portion(180) generates a pulse width modulation signal according to an output signal of the signal limit portion(170). A switching portion(190) generates an output voltage by switching an output of the rectification portion(100).

Abstract translation: 目的：提供AC / DC转换器来补偿非线性元件，而不使用乘法器来控制功率因数。 构成：整流部分（100）对交流电进行整流。 第一控制部分（121）控制整流部分（100）的输出电平。 电流感测部分（110）检测整流部分（100）的输出电流并输出该输出电流作为电压。 第二控制部分（122）控制电流感测部分（110）的输出电压的电平。 第一和部分（131）将第一控制部分（121）的输出和第二控制部分（122）的输出的负值相加。 电流控制部分（160）根据第一和部分（131）的输出信号输出电流控制信号。 第二和部分（132）将输出电压的负值与参考电压部分（141）的参考电压相加。 电压控制部分（150）根据第二和部分（132）的输出信号输出电压控制信号。 第三控制部分（123）控制整流部分（100）的输出电压的电平。 第三和部分（133）将第三控制部分（123）的输出的负值与占空比参考电压部分（142）的输出相加。 第四和部分（134）将电压控制部分（150）的输出和第三和部分（133）的输出的负值相加。 信号限制部分（170）接收电流控制部分（160）的输出和第四求和部分（134）的输出信号。 脉宽调制部分（180）根据信号限制部分（170）的输出信号产生脉宽调制信号。 切换部分（190）通过切换整流部分（100）的输出来产生输出电压。