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公开(公告)号：KR101401474B1
公开(公告)日：2014-06-03
申请号：KR1020120149688
申请日：2012-12-20
Applicant: 서울대학교산학협력단
IPC: H02P6/18
CPC classification number: H02P6/18 , H02P6/28 , H02P2203/03
Abstract: An apparatus for controlling a motor and a method thereof are disclosed. The apparatus comprises a current command generator generating a current command needed for driving a motor; a high frequency voltage inputting part for inputting a high frequency voltage signal needed for sensorless control of the motor; a current controller for generating a voltage command signal based on the current command and a stator current of the motor; an inverter for applying a voltage to the motor stator based on the voltage command signal and the high frequency voltage signal; an analog signal amplifier for amplifying a stator current signal of the motor to generate an amplified current signal; and an angle estimator for generating an estimated angle of a motor rotor based on the amplified current signal, wherein the current command generator generates the current command based on the estimated angle of the motor rotor.
Abstract translation: 公开了一种用于控制电动机的装置及其方法。 该装置包括产生用于驱动马达所需的电流指令的电流指令发生器; 高频电压输入部，用于输入电机无传感器控制所需的高频电压信号; 电流控制器，用于基于电流指令产生电压指令信号和电动机的定子电流; 基于所述电压指令信号和所述高频电压信号向所述电动机定子施加电压的逆变器; 模拟信号放大器，用于放大电动机的定子电流信号以产生放大的电流信号; 以及角度估计器，用于基于放大的电流信号产生电动机转子的估计角度，其中电流指令发生器基于电动机转子的估计角度产生电流指令。
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公开(公告)号：KR1020140021466A
公开(公告)日：2014-02-20
申请号：KR1020120152968
申请日：2012-12-26
Applicant: 서울대학교산학협력단
IPC: H03K17/687 , H02M1/08
Abstract: A controlling device for an electronic device according to the present invention controls a pulse generator outputting a pulse having a controllable duty ratio; a switching unit switching a power supply source and a ground connection power source with the pulse and connecting that with an output terminal; and an inductor unit of which one end is connected to the output terminal of the switching unit. The controlling device for an electronic device controls the electronic device connected to the inductor unit by controlling the duty ratio of the pulse.
Abstract translation: 根据本发明的电子设备的控制装置控制输出具有可控占空比的脉冲的脉冲发生器; 切换单元，用脉冲切换电源和接地连接电源，并与输出端连接; 以及电感器单元，其一端连接到开关单元的输出端子。 电子装置的控制装置通过控制脉冲的占空比来控制连接到电感器单元的电子装置。
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公开(公告)号：KR101316945B1
公开(公告)日：2013-10-11
申请号：KR1020120045352
申请日：2012-04-30
Applicant: 서울대학교산학협력단
IPC: H02P1/42
Abstract: PURPOSE: A doubly-fed wound machine with a constant AC or DC source and a control method thereof are provided to obtain a wide operation area by satisfying a current condition in all speed sections. CONSTITUTION: A rotor (200) is rotationally supported in a stator. A contactor is attached to a rotor shaft. A power conversion device (300) is connected to the rotor through the contactor and controls the current of the rotor without an additional external power source. A control circuit (400) controls the power conversion device. [Reference numerals] (1) Single phase power source; (10) Induction motor; (100) Stator; (200) Rotor; (300) Power conversion device; (410) Power factor control unit; (420) Voltage control unit; (430) Speed control unit; (440) Current command generation unit; (450) Current control unit
Abstract translation: 目的：提供具有恒定AC或DC源的双馈绕线机及其控制方法，以通过满足所有速度段中的当前状态来获得宽的操作区域。 构成：转子（200）被旋转地支撑在定子中。 接触器连接到转子轴上。 电力转换装置（300）通过接触器连接到转子上，并且不需要额外的外部电源来控制转子的电流。 控制电路（400）控制电力转换装置。 （附图标记）（1）单相电源; （10）感应电动机; （100）定子 （200）转子; （300）电力转换装置; （410）功率因数控制单元; （420）电压控制单元; （430）速度控制单元; （440）当前命令生成单元; （450）电流控制单元
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公开(公告)号：KR1020130072557A
公开(公告)日：2013-07-02
申请号：KR1020110140036
申请日：2011-12-22
Applicant: 삼성전자주식회사 , 서울대학교산학협력단
Abstract: PURPOSE: A revival breaking apparatus of an inverter motor and a method thereof use a bidirectional converter, and thus improve energy efficiency. CONSTITUTION: A system power (10) supplies commercial AC power. A bidirectional converter (20) is connected between the system power and an inverter. The bidirectional converter rectifies the AC power. The bidirectional converter outputs voltage of direct current link. An inductor (30) controls the voltage of the direct current link. [Reference numerals] (52) Motor; (60) Control unit; (70) Current sensor; (80) First voltage sensor; (90) Second voltage sensor
Abstract translation: 目的：逆变电动机的复兴装置及其方法采用双向转换器，从而提高能量效率。 规定：系统电源（10）提供商用交流电源。 双向转换器（20）连接在系统电源和逆变器之间。 双向转换器整流交流电源。 双向转换器输出直流电压。 电感器（30）控制直流连接的电压。 （附图标记）（52）电机; （60）控制单元; （70）电流传感器; （80）第一电压传感器; （90）第二电压传感器
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公开(公告)号：KR1020130037058A
公开(公告)日：2013-04-15
申请号：KR1020110101383
申请日：2011-10-05
Applicant: 서울대학교산학협력단
CPC classification number: Y02B70/126 , H02M7/483 , H02M2001/0009
Abstract: PURPOSE: A direct switching multilevel inverter having a shunt sensor and a method for restoring the phase current of the multilevel inverter are provided to reduce the core loss of a load through multilevel output voltage, minimize the loss of the inverter, compose a sensor with a shunt resistance at a multilevel inverter, detect the current of a shunt sensor for enabling PWM control, and offer a voltage inputting method for expanding the phase current detection region of the multilevel inverter. CONSTITUTION: A multilevel inverter comprises a DC link part which is connected to a DC power end(10) and composed of N-1 capacitors. The multilevel inverter comprises a switch part consisting of the N switches installed between the both ends and a load end of the N-1 capacitors of the DC link part. The multilevel inverter comprises a control part which supplies N multilevel voltage to a load end by controlling on and off operations of the N switches of the switch part. The multilevel inverter comprises a shunt sensor for detecting phase current between the DC link part and the switch part. [Reference numerals] (10) DC power end; (40) Load end;
Abstract translation: 目的：提供一种具有分流传感器和恢复多电平逆变器的相电流的方法的直接开关多电平逆变器，以通过多电平输出电压减少负载的磁芯损耗，最大限度地减少逆变器的损耗，组成传感器与 多电平逆变器的分流电阻，检测用于实现PWM控制的并联传感器的电流，并提供用于扩展多电平逆变器的相电流检测区域的电压输入方法。 构成：多电平逆变器包括连接到DC电源端（10）并由N-1个电容器组成的DC链路部分。 多电平逆变器包括由安装在两端之间的N个开关和DC链路部分的N-1个电容器的负载端组成的开关部分。 多电平逆变器包括通过控制开关部分的N个开关的接通和关断操作来向负载端提供N个多电平电压的控制部分。 多电平逆变器包括用于检测DC链路部分和开关部分之间的相电流的分流传感器。 （附图标记）（10）直流电源端; （40）负载端;
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Patent Agency Ranking
公开(公告)号：KR101237123B1
公开(公告)日：2013-02-25
申请号：KR1020110090854
申请日：2011-09-07
Applicant: 서울대학교산학협력단
IPC: H02P27/06
Abstract: PURPOSE: A single external feeding induction machine and a controlling method thereof are provided to easily control a power conversion device. CONSTITUTION: A stator(100) includes a single or three phase systematic power and a coil. A rotor(200) is formed in the stator. A power conversion device(300) is adhered to the rotor. The power conversion device controls the current of the rotor without external power. A control circuit(400) controls the power conversion device. [Reference numerals] (1) AC power supply; (10) Induction motor; (100) Stator; (200) Rotor; (300) Power conversion device; (410) High level controller; (420) Rotor DC-link voltage controller; (430) Current command generator; (440) Current controller
Abstract translation: 目的：提供单个外部馈电感应电机及其控制方法，以方便电力转换装置的控制。 构成：定子（100）包括单相或三相系统功率和线圈。 在定子中形成有转子（200）。 电力转换装置（300）被粘附到转子上。 功率转换装置控制转子的电流而无需外部电源。 控制电路（400）控制电力转换装置。 （附图标记）（1）交流电源; （10）感应电动机; （100）定子 （200）转子; （300）电力转换装置; （410）高级控制器; （420）转子直流母线电压控制器; （430）电流指令发生器; （440）电流控制器
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公开(公告)号：KR101887997B1
公开(公告)日：2018-08-14
申请号：KR1020160112041
申请日：2016-08-31
Applicant: 서울대학교산학협력단
Abstract: 실시예들은, 입력전력을수신하여, 부하에출력전력을인가하는컨버터부및 상기컨버터부의출력전력을제어하는제어기를포함하되, 상기출력전력은적어도두 종류의펄스가결합된형태인것을특징으로하는변조된게이트펄스를이용한전력변환장치에관련된다.
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