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公开(公告)号：KR102204941B1
公开(公告)日：2021-01-20
申请号：KR1020140169680
申请日：2014-12-01
Applicant: 한국전기연구원
Abstract: 양극성직류전압을출력하는컨버터의출력단에연결되어출력전류를제한하는전류제어스위치부, 컨버터의출력단에연결되어출력전압평형을유지시키는전압제어스위치부및 전압제어스위치부와병렬연결되어부하와연결되는커패시터부를포함하며, 전류제어스위치부는기본적으로단락되어있으며, 컨버터의양극출력전류중 적어도하나이상이기 설정된임계치를초과하는경우해당전류를출력하는단에대하여전류제어스위치부를통한 PWM 제어를통해과전류를안정화시키고, 전압제어스위치부는기본적으로개방되어있으며, 컨버터의양극출력전압의차이가기 설정된오차범위이상인경우, 출력양단의전압중 보다큰 전압을출력하는단에대하여전압제어스위치부를통한 PWM 제어를통해전압평형을회복시키는것을특징으로하는직류배전용양방향컨버터의출력평형및 단락보호회로가개시된다.
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公开(公告)号：KR1020160040378A
公开(公告)日：2016-04-14
申请号：KR1020140133416
申请日：2014-10-02
Applicant: 한국전기연구원
CPC classification number: H02M1/143 , H02M3/33515 , H02M7/103 , H02M7/1555 , H02N2/147 , H04B3/30
Abstract: 본발명에의한다상구조의 DAB 컨버터가개시된다. 본발명에따른다상구조의 DAB 컨버터는각 입력전압에대응하는다수의스위칭그룹들로이루어진다중입력부; 및상기다중입력부내 다수의스위칭그룹들로부터의다수의교류출력을기 설정된하나의결선방식을통해다상으로결합하여그 결합한결과로하나의출력을생성하는단일출력부를포함한다.
Abstract translation: 公开了具有多相结构的双有源桥（DAB）转换器，其可以组合多个相位的多个AC输出以产生单个输出。 根据本发明，具有多相结构的DAB转换器包括：多输入单元，包括对应于输入电压的多个开关组; 以及单个输出单元，通过规定的单一连接方法将来自多输入单元中的开关组的多个AC输出组合成多个相位，以生成单个输出作为组合结果。
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公开(公告)号：KR101463388B1
公开(公告)日：2014-11-20
申请号：KR1020130128650
申请日：2013-10-28
Applicant: 한국전기연구원
IPC: H01F30/00
Abstract: 본 발명은 반도체 변압기에 관한 것으로서, 구체적으로는 배압 회로 구조를 이용한 양방향 반도체 변압기에 관한 것이다.
본 발명은 병렬 연결된 스위치 및 다이오드가 복수개 사용되어 풀 브릿지 또는 하프 브릿지 구조를 이루는 저압 정류 스위칭부; 코일 트랜스; 병렬 연결된 스위치 및 다이오드가 콘덴서와 함께 복수개 사용되어 배압 회로 구조를 이루는 고압 배압 스위칭부를 포함하여 구성되며, 상기 저압 정류 스위칭부는 상기 코일 트랜스의 일차 권선에 결선되고, 상기 고압 배압 스위칭부는 상기 코일 트랜스의 이차 권선에 결선되는 것을 특징으로 하는 양방향 반도체 변압기를 개시하며, 본 발명에 의하여 배압 회로 구조를 이용하여 반도체 변압기를 구성함으로써, 반도체 변압기 회로가 단순한 구조를 가지고, 다수의 모듈을 직렬 내지 병렬 연결할 필요가 없어 복잡한 제어가 불필요하며, 코일 변압기 양단의 전압이 낮아 절연 및 제작이 용이한 양방향 반도체 변압기를 개시하는 효과를 갖는다.Abstract translation: 半导体变压器技术领域本发明涉及一种半导体变压器，更具体地，涉及一种使用倍压器电路结构的双向半导体变压器。 使用倍压电路结构的双向半导体变压器包括：低压整流开关单元，包括并联连接的多个开关和二极管，以形成全桥或半桥结构; 线圈变压器; 包括并联连接的多个开关，二极管和电容器的高电压倍增器开关单元，以形成倍压器电路结构，其中低压整流开关单元连接到线圈变压器和高压倍增器的初级布线 开关单元连接到线圈变压器的次级接线。 半导体变压器通过采用倍压电路结构构成半导体变压器具有简单的结构，并且不需要复杂的控制，因为多个模块不需要串联或并联连接。 此外，由于线圈变压器的两端的电压低，所以可以容易地进行绝缘工作和制造半导体变压器。
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公开(公告)号：KR1020140054872A
公开(公告)日：2014-05-09
申请号：KR1020120120901
申请日：2012-10-30
Applicant: 한국전기연구원
IPC: H05B37/02
CPC classification number: H05B33/083 , H05B33/0818 , Y02B20/347
Abstract: The present invention relates to an LED driving circuit, capable of directly driving and dimming an LED with AC power of a current of a sine wave suitable for power factor regulations and harmonic regulations, driving the LED with a low AC input by using a simple circuit without increasing the number of components, and obtaining a high flicker feature by constantly maintaining the current in spite of the variation of an AC voltage.
Abstract translation: LED驱动电路技术领域本发明涉及一种LED驱动电路，其能够以适合功率因数规定和谐波规律的正弦波电流的AC电力直接驱动和调光LED，通过使用简单的电路驱动具有低AC输入的LED 而不增加部件的数量，并且尽管AC电压的变化仍然保持电流而获得高闪烁特征。
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Patent Agency Ranking
公开(公告)号：KR101383317B1
公开(公告)日：2014-04-17
申请号：KR1020120118884
申请日：2012-10-25
Applicant: 한국전기연구원
Abstract: The present invention relates to an electronic direct current power outlet device which provides direct current of a predetermined load and comprises a first switch which is turned on or off according to the current provision of the load at a positive terminal side of a port combined with the load; a first sensing resistance connected in series to a line which connects the first switch to the port at the positive terminal side; a second switch which is turned on or off according to the current provision of the load at a negative terminal side of the port; a second sensing resistance connected in series to a line which connects the second switch to the negative terminal side; and a driving control unit for performing predetermined offset adjustment by measuring load current from the first and the second sensing resistance, and for detecting the leakage of the current by comparing the load current that has gone through the offset adjustment. [Reference numerals] (120) First switch; (130) Second switch; (150) Load; (160) Driving control unit; (161,162,163,164) Current measurement part
Abstract translation: 本发明涉及一种提供预定负载的直流电流的电子直流电源插座装置，包括根据当前在与端子组合的端口的正端侧处的负载的当前提供而导通或断开的第一开关 加载; 第一感测电阻串联连接到在正极端侧将第一开关连接到端口的线路; 第二开关，其根据在端口的负端侧处的负载的当前设置而导通或断开; 与将第二开关连接到负极侧的线串联连接的第二感测电阻; 以及驱动控制单元，用于通过测量来自第一和第二感测电阻的负载电流来执行预定的偏移调整，并且通过比较经过偏移调整的负载电流来检测电流的泄漏。 （附图标记）（120）第一开关; （130）第二开关; （150）负载; （160）驾驶控制单元; （161,162,163,164）电流测量部分
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公开(公告)号：KR101296796B1
公开(公告)日：2013-08-14
申请号：KR1020120040083
申请日：2012-04-18
Applicant: 한국전기연구원
IPC: H02M3/28
Abstract: PURPOSE: A resonant DC-DC converter in an output Y connection structure is provided to reduce a pulsation rate and easily design an output side filter by performing synchronization to operate each phase having a constant phase difference through Y connection combination. CONSTITUTION: A DC converter includes multiple resonant DC-DC converters (110) as an independent module; a rectifier (130) to which multiple circuits are connected in parallel having two diodes connected in series; and a transformer (120) having multiple primary coils connected to an output terminal of the DC-DC converters and multiple secondary coils corresponding to the primary coils. Each one terminal of the secondary coils has Y-connection by being connected to a common contact point, and each other terminal of the secondary coils is connected to each neutral contact point of the two diodes connected in series. [Reference numerals] (AA,BB,EE) Resonant DC-DC converter; (CC) Filter; (DD) Load
Abstract translation: 目的：提供输出Y连接结构中的谐振DC-DC转换器，以通过执行同步来通过Y连接组合操作具有恒定相位差的每个相位来降低脉动率并容易地设计输出侧滤波器。 构成：DC转换器包括作为独立模块的多个谐振DC-DC转换器（110）; 整流器（130），多个电路并联连接，具有串联连接的两个二极管; 以及具有连接到DC-DC转换器的输出端子的多个初级线圈和对应于初级线圈的多个次级线圈的变压器（120）。 次级线圈的每个端子通过连接到公共接触点而具有Y形连接，并且次级线圈的每个端子连接到串联连接的两个二极管的每个中性点。 （参考号）（AA，BB，EE）共振DC-DC转换器; （CC）过滤器; （DD）负载
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公开(公告)号：KR101214381B1
公开(公告)日：2012-12-21
申请号：KR1020110109663
申请日：2011-10-26
Applicant: 한국전기연구원
Abstract: PURPOSE: A high frequency DC converter for preventing an electric short is provided to remove a short in a switch by serially connecting a switch and a diode between a positive terminal and a negative terminal of a DC power source. CONSTITUTION: An input capacitor(Cin1,Cin2) is serially connected between a positive terminal and a negative terminal of a DC power source(Vin). A first switch(S1) and a first reverse diode(D1) are serially connected between the positive terminal and the negative terminal of the DC power source. A second switch(S2) and a second reverse diode(D2) are serially connected between the positive terminal and the negative terminal of the DC power source. A resonant inductor(Lr1,Lr2) is serially connected between a contact of the first switch and the first reverse diode and a contact of the second switch and the second reverse diode. A terminal of a primary side of a transformer is connected to the contact between the resonant inductors.
Abstract translation: 目的：提供用于防止电短路的高频DC转换器，以通过在直流电源的正极和负极之间串联连接开关和二极管来消除开关中的短路。 构成：输入电容（Cin1，Cin2）串联连接在直流电源（Vin）的正极端子和负极端子之间。 第一开关（S1）和第一反向二极管（D1）串联连接在直流电源的正极端子和负极端子之间。 第二开关（S2）和第二反向二极管（D2）串联连接在直流电源的正极端子和负极端子之间。 谐振电感器（Lr1，Lr2）串联连接在第一开关和第一反向二极管的触点和第二开关和第二反向二极管的触点之间。 变压器的初级侧的端子连接到谐振电感器之间的接触。
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公开(公告)号：KR1020120131602A
公开(公告)日：2012-12-05
申请号：KR1020110049885
申请日：2011-05-26
Applicant: 한국전기연구원
IPC: H05B37/02
CPC classification number: H05B33/0815 , H05B33/0827
Abstract: PURPOSE: An AC(alternative current) operating LED(light emitting diode) apparatus and operating current control method thereof are provided to output current which is close to a sine wave by controlling a plurality of input current as each constant current or constant voltage. CONSTITUTION: One side of a first LED array(120) is connected to an output side of an AC power source. One side of a second LED array(130) is connected to an input side of the AC power source. An input side of a rectifying unit(140) connects to other side of a second LED array and a first LED array, one side of the second LED array, and an input side of the AC power source. An input side of an operating control unit(150) connects to an output side of the rectifying unit. An output side of the operating control unit connects to an input side of the rectifying unit.
Abstract translation: 目的：通过控制多个输入电流作为每个恒定电流或恒定电压，提供AC（备用电流）工作LED（发光二极管）装置及其工作电流控制方法来输出接近正弦波的电流。 构成：第一LED阵列（120）的一侧连接到交流电源的输出侧。 第二LED阵列（130）的一侧连接到AC电源的输入侧。 整流单元（140）的输入侧连接到第二LED阵列和第一LED阵列的另一侧，第二LED阵列的一侧和AC电源的输入侧。 操作控制单元（150）的输入侧连接到整流单元的输出侧。 操作控制单元的输出侧连接到整流单元的输入侧。
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公开(公告)号：KR1020110136577A
公开(公告)日：2011-12-21
申请号：KR1020100056683
申请日：2010-06-15
Applicant: 한국전기연구원
IPC: H05B37/02
CPC classification number: H05B33/083 , H05B33/0809 , Y02B20/348 , H05B33/0827
Abstract: PURPOSE: A sine wave constant current LED diver circuit and method are provided to control a current which is outputted in each connecting point using a constant current by independently driving the each connecting point which is serially connected to LEDs. CONSTITUTION: An LED driver circuit(10) comprises a bridge diode(11) and a control circuit(12) in order to drive an LED module(13). The bridge diode is used as a rectifier circuit which rectifies an alternating current into a direct current. The bridge diode supplies power which is rectified through two output terminals to the LED module. The bridge diode is composed by connecting 2 sets of two diodes which is serially connected in a row. LEDs of the LED module are emitted according to the power which is rectified from the bridge diode. The LED module comprises a plurality of LEDs which is serially connected. A control circuit is connected to each connecting point of a plurality of LEDs.
Abstract translation: 目的：提供正弦波恒流LED灯电路和方法，通过独立驱动串联连接到LED的每个连接点，通过恒定电流来控制在每个连接点输出的电流。 构成：为了驱动LED模块（13），LED驱动电路（10）包括桥二极管（11）和控制电路（12）。 桥式二极管用作将交流电流整流成直流电的整流电路。 桥式二极管提供通过两个输出端子整流到LED模块的电力。 桥式二极管通过连接2组串联连接的两个二极管组成。 根据从桥二极管整流的功率发射LED模块的LED。 LED模块包括串联连接的多个LED。 控制电路连接到多个LED的每个连接点。
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