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公开(公告)号：KR100984827B1
公开(公告)日：2010-10-04
申请号：KR1020080096301
申请日：2008-09-30
Applicant: 전남대학교산학협력단
CPC classification number: Y02B70/1491
Abstract: 본 발명은 DC/DC컨버터에 관한 것으로, 보다 구체적으로는 입력되는 DC전압에 직렬로 연결되는 전류 평활용 리액터를 최소의 개수만을 사용하여 철손으로 인한 효율 저하를 방지하고 제작단가를 낮출 수 있는 한편, 상기 리액터의 흐르는 전류가 불연속이 되게 하여 영전류 스위칭을 할 수 있는 최소 리액터를 이용한 DC/DC컨버터에 관한 것이다.
컨버터, ZCS, 리액터, 공심 리액터, 다중 레벨 컨버터-
公开(公告)号：KR1020090078553A
公开(公告)日：2009-07-20
申请号：KR1020080004442
申请日：2008-01-15
Applicant: 전남대학교산학협력단
CPC classification number: A61H23/0245 , A61H7/005 , A61H2201/10 , A61N5/0613 , A61N7/00 , A61N2005/0644 , A61N2005/0652 , A61N2007/0078 , A61N1/0464 , A61N2005/0653
Abstract: A hand-held growth plate magnetic pole type growth promotion apparatus is provided, which accelerates the cultivation and differentiation of the growth plate chondrocyte. A hand-held growth plate magnetic pole type growth promotion apparatus comprises: a two-phase supersonic vibration generator(100) of the annular shape equipped with a center hole; and an LED element(200) equipped in the center hole of two-phase supersonic vibration generator. The two-phase supersonic vibration generator comprises: a vibration stator(110) of the annular shape equipped with a center hole; a first electrode layer(120) equipped at the lower part of the vibration stator; a second electrode layer(140) equipped at the lower part of the first electrode layer; and an electrostrictive ceramics group layer(130) corresponding to the annular shape of the vibration stator.
Abstract translation: 提供了一种手持式生长板磁极型生长促进装置，其加速生长板软骨细胞的培养和分化。 手持式生长板磁极型生长促进装置包括：具有中心孔的环状的双相超声波振动发生器（100）; 以及配备在两相超音速振动发生器的中心孔中的LED元件（200）。 所述两相超音速振动发生器包括：具有中心孔的环形振动定子（110）; 设置在所述振动定子的下部的第一电极层（120） 设置在所述第一电极层的下部的第二电极层（140） 以及对应于振动定子的环形形状的电致伸缩陶瓷组层（130）。
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公开(公告)号：KR1020090078542A
公开(公告)日：2009-07-20
申请号：KR1020080004425
申请日：2008-01-15
Applicant: 전남대학교산학협력단
CPC classification number: A61H23/0245 , A61H2201/10 , A61H2201/165 , A61N2005/0652 , A61H11/00 , A61N2005/0653
Abstract: A hand-held complex physical therapy is provided, which enhances the healing speed through the pain relief and cell activation. A hand-held complex physical therapy comprises: a two-phase supersonic vibration generator of the annular equipped with a center hole; an LED element(200) equipped in the center hole of two-phase supersonic vibration generator; a medical treatment instrument body(300); a support band(400) which is connected to both sides of the medical treatment instrument body and enables the length adjustment; and a female fixing member(420) and a male fixing member(430) screwing both end points of the support band.
Abstract translation: 提供手持式复合物理疗法，通过疼痛缓解和细胞活化增强愈合速度。 手持复合物理疗法包括：具有中心孔的环形二相超声波振动发生器; 配备在两相超声波振动发生器的中心孔中的LED元件（200）; 医疗器具主体（300）; 支撑带（400），其连接到医疗器具主体的两侧并且能够进行长度调节; 以及阴固定构件（420）和阳固定构件（430），其旋紧支撑带的两个端点。
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公开(公告)号：KR1020090071997A
公开(公告)日：2009-07-02
申请号：KR1020070139957
申请日：2007-12-28
Applicant: 전남대학교산학협력단 , 인버터기술(주)
IPC: H02M3/28
Abstract: A series type DC/DC converting device is provided to prevent generation of a reactive power by varying a phase displacement of converters according to the number of converters. A converter part(100) comprises a plurality of full-bridge converters(110~110n). Each full-bridge converter includes four switching devices(111). A transforming part(200) boosts an output power of the converter part. The transforming part comprises a plurality of transformers(210~210n) corresponding to a plurality of full-bridge converters. A primary side of a plurality of transformers is connected to a plurality of full-bridge converters. The primary side of a plurality of transformers is parallel connected. A secondary side of a plurality of transformers is serially connected. A rectifying part(300) includes a bridge rectifier(310). The bridge rectifier includes four diodes(311). A filtering part(400) filters a power rectified by the bridge rectifier.
Abstract translation: 提供串联型DC / DC转换装置，以通过根据转换器的数量改变转换器的相位位移来防止无功功率的产生。 A转换器部分（100）包括多个全桥转换器（110〜110n）。 每个全桥转换器包括四个开关器件（111）。 转换部件（200）提高转换器部件的输出功率。 变换部分包括对应于多个全桥转换器的多个变压器（210〜210n）。 多个变压器的初级侧连接到多个全桥转换器。 多个变压器的初级侧并联连接。 多个变压器的次级侧串联连接。 整流部（300）包括桥式整流器（310）。 桥式整流器包括四个二极管（311）。 滤波部件（400）对由桥式整流器整流的功率进行滤波。
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公开(公告)号：KR101789134B1
公开(公告)日：2017-10-31
申请号：KR1020150136587
申请日：2015-09-25
Applicant: 전남대학교산학협력단
Abstract: 본발명은가변주파수변조기법에관한것으로, 보다구체적으로는인버터의출력전압지령치의기울기가소정의기준기울기보다클 경우에는스위칭주파수를높게하고, 작을경우에는스위칭주파수를낮게하여스위칭횟수를줄임으로써인버터의효율을향상시킬수 있는가변주파수변조기법에관한것이다.
Abstract translation: 本发明涉及一种可变频率调制技术，并且更具体euroneun是小的时候的驱动器的输出电压指令值的斜率比的有预先设定的基准梯度更大，并且提高开关频率，逆变器的低通过降低开关频率的切换数 涉及一种能够提高变频调制效率的变频调制技术。
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Patent Agency Ranking
公开(公告)号：KR1020170037746A
公开(公告)日：2017-04-05
申请号：KR1020150136587
申请日：2015-09-25
Applicant: 전남대학교산학협력단
Abstract: 본발명은가변주파수변조기법에관한것으로, 보다구체적으로는인버터의출력전압지령치의기울기가소정의기준기울기보다클 경우에는스위칭주파수를높게하고, 작을경우에는스위칭주파수를낮게하여스위칭횟수를줄임으로써인버터의효율을향상시킬수 있는가변주파수변조기법에관한것이다.
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公开(公告)号：KR101584303B1
公开(公告)日：2016-01-22
申请号：KR1020140088855
申请日：2014-07-15
Applicant: 전남대학교산학협력단
CPC classification number: H02M7/23 , H02M1/088 , H02M7/483 , H02M2001/0077
Abstract: 본발명은모듈형멀티레벨컨버터의스위칭방법에관한것으로, 보다구체적으로는스위칭될서브모듈의계산에걸리는시간을최소화할수 있고, 서브모듈의스위칭이용률이평균화되게하여특정서브모듈에이용률이집중되지않게함으로써컨버터의수명을증대시킬수 있는모듈형멀티레벨컨버터의스위칭방법에관한것이다.
Abstract translation: 模块型多电平转换器切换方法技术领域本发明涉及一种模块型多电平转换器切换方法，更具体地，涉及一种可以最小化要切换的子模块的计算时间的模块型多电平转换器切换方法。 可以通过平衡子模块切换利用率来避免特定子模块的集中效用系数来扩展转换器的预期寿命。
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公开(公告)号：KR101350532B1
公开(公告)日：2014-01-15
申请号：KR1020120071037
申请日：2012-06-29
Applicant: 삼성전기주식회사 , 전남대학교산학협력단
CPC classification number: H02M7/483 , H02M2001/007 , H02M2001/348 , Y02E10/56
Abstract: The present invention is a short circuit using a different input supply voltage with respect to an output power level that can provide a multi-level converter, thereby having the inverter, and it relates to a photovoltaic power supply. The invention comprises a switching power supply having a first power switch, switching of the first power switch which is variable in accordance with the first power supply voltage level and outputting a first buck-boost section, the voltage level of the input power source and outputting a second power source having a bypass unit, a switching of the input power of the second power switch, a second switching of the power switch which is variable in accordance with a third power supply voltage level to the output of the second buck-boost converter unit for a multi-level, and it presents the solar inverter and the power supply thereof.
Abstract translation: 本发明是使用与可提供多电平转换器的输出功率电平不同的输入电源电压的短路，从而具有逆变器，并且涉及光伏电源。 本发明包括具有第一电源开关的开关电源，根据第一电源电压电平可变的第一电源开关的切换，并输出第一降压 - 升压部分，输入电源的电压电平和输出 具有旁路单元的第二电源，第二电力开关的输入电力的切换，根据第三电源电压电平可变的电力开关的第二开关到第二降压 - 升压转换器的输出 多层次的单元，并提供太阳能逆变器及其电源。
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公开(公告)号：KR1020140004377A
公开(公告)日：2014-01-13
申请号：KR1020120071858
申请日：2012-07-02
Applicant: 전남대학교산학협력단
Abstract: The present invention relates to a variable device of magnetic reluctance or self-inductance which uses a flux saturation phenomenon in order to control a current which causes a flux saturation by obtaining an effect of adding a gap to a core by using the partial flux saturation phenomenon in a transformer or the core of a reactor. Characteristics of the present invention include: a main core on which a main coil is wound; and an auxiliary flux changing unit which changes the flux quantity of the main core and controls magnetic reluctance or self-inductance by causing the flux saturation phenomenon depending on the change of the flux quantity of the main core by the control of the auxiliary flux changing unit. [Reference numerals] (AA) Saturation area in a main core
Abstract translation: 本发明涉及磁阻或自感的可变装置，其使用磁通饱和现象，以便通过使用部分磁通饱和现象获得增加间隙的效果来控制引起磁通饱和的电流 在变压器或反应堆的核心。 本发明的特征包括：卷绕有主线圈的主芯; 以及辅助通量改变单元，其通过由辅助通量改变单元的控制引起根据主芯的磁通量的变化引起的磁通饱和现象来改变主磁芯的磁通量并控制磁阻或自感 。 （附图标记）（AA）主芯中的饱和区域
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公开(公告)号：KR101320152B1
公开(公告)日：2013-10-23
申请号：KR1020120071038
申请日：2012-06-29
Applicant: 삼성전기주식회사 , 전남대학교산학협력단
CPC classification number: H02M3/155 , H02M7/483 , H02M2001/009
Abstract: PURPOSE: A multi-level converter, an inverter having the same, and a sunlight power supply device having the same are provided to reduce manufacturing costs by offering an output power source having various voltage levels for an input power source using a simple circuit. CONSTITUTION: A first buck-boost part (110) has one power switch (Q1) which switches an input power source (Vin). The first buck-boost part outputs a first power source (Level1) in which a voltage level is varied according to the switching of the power switch. A bypass part (130) outputs a second power source (Level2) having the voltage level of the input power source. A second buck-boost part (120) shares the power switch with the first buck-boost part. The second buck-boost part outputs a third power source (Level3) in which the voltage level is varied according to the switching of the power switch.
Abstract translation: 目的：提供一种多电平转换器，具有该电平转换器的逆变器和具有该多电平转换器的太阳光供电装置，以通过使用简单的电路为输入电源提供具有各种电压电平的输出电源来降低制造成本。 构成：第一降压 - 升压部分（110）具有切换输入电源（Vin）的一个电源开关（Q1）。 第一降压 - 升压部分根据电源开关的切换输出电压电平变化的第一电源（Level1）。 旁路部件（130）输出具有输入电源的电压电平的第二电源（电平2）。 第二降压 - 升压部分（120）与第一降压 - 升压部分共享电力开关。 第二降压 - 升压部分输出电压电平根据电源开关的切换而变化的第三电源（电平3）。
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