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公开(公告)号：KR1020140014734A
公开(公告)日：2014-02-06
申请号：KR1020120081486
申请日：2012-07-25
Applicant: 삼성전자주식회사 , 서울대학교산학협력단
CPC classification number: H02P23/26 , H02M1/4208 , H02P6/183 , H02P21/18 , H02P21/20 , H02P21/22 , H02P27/06 , H02P2207/05 , Y02B70/126
Abstract: The present invention relates to an inverter control device and a control method thereof and specifically, to an inverter control device and a control method thereof which stably operates a three-phase motor using a small capacitor on a direct current terminal. The inverter control device by one embodiment of the present invention controls an inverter in which a direct current terminal voltage pulsates with a double frequency of a system frequency. The inverter control device comprises a current sensing unit for sensing an output current value of the inverter; a voltage sensing unit for sensing a direct current terminal voltage value of the inverter; and a control unit for producing an average value of a rotator standard q-axis current boundary value which is periodically changed based on the output current value and the direct current terminal voltage value, and producing a current command value based on the average value of the rotator standard q-axis current boundary value, and driving a three-phase motor based on the current command value. According to the present invention, the inverter control device stably variable speed-controls a motor using a small capacitor on a direct current terminal of the inverter and improves the reliability of an inverter circuit. Also, the inverter control device eliminates a circuit to initially charge a capacitor using the small capacitor. [Reference numerals] (7) Voltage sensing unit; (8) Gate driver; (9) Control unit
Abstract translation: 逆变器控制装置及其控制方法技术领域本发明涉及一种逆变器控制装置及其控制方法，具体涉及一种逆变器控制装置及其控制方法，其在直流端子上使用小电容器稳定地操作三相电动机。 根据本发明的一个实施例的逆变器控制装置控制其中直流端子电压以系统频率的双倍频率脉动的逆变器。 逆变器控制装置包括用于感测逆变器的输出电流值的电流检测单元; 电压感测单元，用于感测逆变器的直流端子电压值; 以及控制单元，用于产生基于输出电流值和直流端子电压值周期性地改变的旋转体标准q轴电流边界值的平均值，并且基于所述直流电流值的平均值产生电流指令值 转子标准q轴电流边界值，并根据电流指令值驱动三相电机。 根据本发明，逆变器控制装置在逆变器的直流端子上使用小电容器对电机进行稳定的可变速度控制，提高了逆变器电路的可靠性。 此外，逆变器控制装置消除了使用小电容器对电容器进行初始充电的电路。 （附图标记）（7）电压感测单元; （8）门驱动器; （9）控制单元
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公开(公告)号：KR102261327B1
公开(公告)日：2021-06-07
申请号：KR1020170123402
申请日：2017-09-25
Applicant: 엘에스일렉트릭(주) , 서울대학교산학협력단
IPC: H02M7/483 , H02M7/5387
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公开(公告)号：KR102261330B1
公开(公告)日：2021-06-07
申请号：KR1020170123403
申请日：2017-09-25
Applicant: 엘에스일렉트릭(주) , 서울대학교산학협력단
IPC: H02M7/219
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