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    • 21. 发明公开
    • 입력 결상 검출 장치 및 그 방법
    • 用于检测输入相位丢失的装置及其方法
    • KR1020120127075A
    • 2012-11-21
    • KR1020110045310
    • 2011-05-13
    • 엘에스산전 주식회사
    • 이은우
    • G01R31/02G01R19/165
    • G01R31/42H02M7/06H02P27/06H02P29/024H02P29/0243G01R31/02G01R19/165
    • PURPOSE: An input phase failure detecting device and method are provided to detect input phase failure without an error and to offer rapid response without a process for calculating ripple frequency. CONSTITUTION: An input phase failure detecting device comprises a power input part(100), a rectifying part(110), a filter part(120), and an input phase failure detecting part(130). The power input part applies three-phase AC voltage. The rectifying part rectifies the three-phase AC voltage applied from the power input part into DC voltage. The filter part filters the DC voltage as a predetermined frequency. The input phase failure detecting part calculates size of a ripple of the DC voltage. The input phase failure detecting part determines the generation of input phase failure when the calculated size of the ripple is higher than size of the ripple which is established in advance. [Reference numerals] (100) Power input part; (110) Rectifying part; (120) Filter part; (130) Input phase failure detecting part
    • 目的:提供输入相故障检测装置和方法来检测输入相位故障而不产生误差,并提供快速响应,无需计算纹波频率的过程。 构成:输入相故障检测装置包括电源输入部分(100),整流部分(110),滤波器部分(120)和输入相位故障检测部分(130)。 电源输入部分采用三相交流电压。 整流部分将从电源输入部分施加的三相交流电压整流为直流电压。 滤波器部分将DC电压作为预定频率进行滤波。 输入相位故障检测部分计算直流电压纹波的大小。 输入相位故障检测部分当纹波的计算尺寸高于预先建立的纹波的大小时,确定输入相位故障的产生。 (附图标记)(100)电力输入部; (110)整流件; (120)过滤器部件; (130)输入相故障检测部
    • 22. 发明公开
    • 대전류용 단펄스 전류 발생기
    • 短脉冲电流发生器用于高电流
    • KR1020120114531A
    • 2012-10-17
    • KR1020110032094
    • 2011-04-07
    • 국방과학연구소
    • 송기환강래충이재복장석훈
    • G05F1/565G05F1/10
    • H03K4/06H02M7/06H03K17/0403
    • PURPOSE: A short-pulse current generator for high current is provided to output an impulse current waveform for high current by controlling a plurality of switches only with a single trigger signal. CONSTITUTION: A pulse generator generates an impulse current. A switch controller transmits a driving signal to the pulse generator. A voltage adjusting circuit(110) receives an AC voltage. A high voltage transformer(120) raises the transmitted voltage to a high voltage. A voltage doubler(130) converts the increased voltage into a DC high voltage. A high voltage charging circuit(140) charges the DC high voltage. A silicon control rectifier(SCR) switch(220) generates a trigger signal. An SCR controller(240) controls the operation of the SCR switch. [Reference numerals] (100) Short-pulse current generator; (110) Voltage adjusting circuit; (120) High voltage transformer; (130) Voltage doubler circuit; (140) High voltage charging circuit; (150) Primary discharging switch(Spark Gap Switch); (160) Secondary discharging switch(Spark Gap Switch); (170) Load resistor; (200) Switch control circuit; (210) High Voltage DC; (220) SCR switch; (230) Pulse transformer; (240) SCR Controller; (AA) Charging voltage measurement value
    • 目的:提供高电流的短脉冲电流发生器,仅通过单个触发信号控制多个开关来输出高电流的脉冲电流波形。 构成:脉冲发生器产生脉冲电流。 开关控制器将驱动信号发送到脉冲发生器。 电压调节电路(110)接收AC电压。 高压变压器(120)将传输电压提高到高电压。 倍压器(130)将增加的电压转换为直流高电压。 高压充电电路(140)对DC高电​​压充电。 硅控制整流器(SCR)开关(220)产生触发信号。 SCR控制器(240)控制SCR开关的操作。 (附图标记)(100)短脉冲电流发生器; (110)电压调节电路; (120)高压变压器; (130)倍压电路; (140)高压充电电路; (150)主放电开关(Spark Gap Switch); (160)二次放电开关(Spark Gap Switch); (170)负载电阻; (200)开关控制电路; (210)高压直流; (220)SCR开关; (230)脉冲变压器; (240)SCR控制器; (AA)充电电压测量值
    • 25. 发明公开
    • 역률 개선용 전류제어회로를 가진 전원 공급 장치
    • 具有用于功率因数改善的电流控制电路的电源装置
    • KR1020100118971A
    • 2010-11-08
    • KR1020100101925
    • 2010-10-19
    • 아이에스이텍 주식회사
    • 김수열
    • H02M1/42H02M3/155
    • Y02B70/126H02M1/42H02M7/06
    • PURPOSE: A power supply device is provided to execute a charge/discharge operation by uniformly forming the output current of a constant current circuit. CONSTITUTION: An AC power source is rectified into the form of ripple with a bridge diode circuit(1). A constant current circuit(2) outputs a fixed current. The constant current circuit matches the current of the AC inlet and the phase of a voltage by increasing the charge storage time of a condenser(C). The constant current circuit improves a power factor by reducing the reactive power. The fixed current value of the constant current circuit is divided into a load and the condenser. A current control circuit like the constant current circuit is manufactured into a one-chip.
    • 目的:提供电源装置,通过均匀地形成恒流电路的输出电流来执行充放电操作。 构成:交流电源采用桥二极管电路(1)整流为纹波形式。 恒流电路(2)输出固定电流。 恒流电路通过增加冷凝器(C)的电荷储存时间来匹配AC入口的电流和电压的相位。 恒流电路通过降低无功功率来提高功率因数。 恒流电路的固定电流值分为负载和冷凝器。 类似恒流电路的电流控制电路被制造成单芯片。
    • 27. 发明授权
    • 디스플레이 장치의 전원제어시스템 및 그 제어방법
    • 分类标签语言标签
    • KR100369834B1
    • 2003-01-30
    • KR1020000083360
    • 2000-12-27
    • 삼성전자주식회사
    • 김홍기
    • H04N5/63
    • H02M3/28G05F1/577H02M7/06H02M2001/0032H02M2001/009Y02B70/16
    • A power control system for a display apparatus comprises: a reactor, including a pair of inductors, for calibrating a power factor of an AC voltage supplied from an external source; a rectifier for rectifying the AC voltage having the power factor calibrated by the reactor; a power supply for outputting the rectified voltage with a plurality of voltage levels so as to allow them to be supplied to a power-consuming component; a switch unit for selectively connecting the pair of inductors in series or in parallel based on a driving power according to the levels of the AC voltage supplied to the reactor; and a microcomputer for determining whether a DPMS is in an off mode so as to cut off the power supply to the component, and for cutting off the power supply to the switch unit when it is in the off mode. With this configuration, since the power supply to the switch unit is cut off in the off mode, power consumption in the off mode can be minimized. A power control method for a display apparatus comprises steps corresponding to the functions described above relative to the power control system.
    • 一种用于显示设备的功率控制系统,包括:包括一对电感器的电抗器,用于校准从外部源提供的AC电压的功率因数; 整流器,用于对具有由电抗器校准的功率因数的AC电压进行整流; 电源,用于以多个电压电平输出经整流的电压,以允许它们被供应到耗电部件; 开关单元,用于根据提供给所述电抗器的AC电压的电平,基于驱动功率选择性地串联或并联所述一对电感器; 以及微型计算机,用于确定DPMS是否处于关闭模式,以便切断对部件的电力供应,并且当处于关闭模式时切断对开关单元的电力供应。 利用这种配置,由于在关闭模式中切断对开关单元的供电,因此可以使关闭模式下的功耗最小化。 用于显示设备的功率控制方法包括对应于以上关于功率控制系统描述的功能的步骤。
    • 28. 发明公开
    • 전원공급장치
    • 动力单元
    • KR1020010021273A
    • 2001-03-15
    • KR1020000046521
    • 2000-08-11
    • 소니 주식회사
    • 오오무라타다시
    • H02M7/04
    • H02M7/06H02M2001/0032
    • PURPOSE: A power unit is provided to reduce power loss using a simple constitution, and to realize downsizing and cost reduction. CONSTITUTION: For a power unit, first, second, and third capacitors(11, 12, 13) for potential division of three pieces, which are selected in prescribed capacities, are connected in series between AC power lines, and rectifying diodes(14, 15, 16, 17), where the reverse properties of two pieces of diodes(14, 15) on the side of negative terminals are regulated to prescribed Zener voltages, are connected in parallel with the third capacitor(12) arranged at the center, and a capacitor(18) for filtering is connected between the positive (+) terminals and the negative (-) terminals of these rectifying bridges(14, 15, 16, 17). Hereby, this power unit can yield a DC output voltage stably, without using a three-terminal regulators, after dividing the AC input voltage from the power input terminal into the desired voltage in insulated condition, and also this can absorb the noise occurring on the input side or the noise occurring on output side.
    • 目的:提供一个电源单元,以简单的结构降低功耗,实现小型化和降低成本。 构成:对于功率单元,用于以规定容量选择的三个电位分压的第一,第二和第三电容器(11,12,13)串联连接在AC电力线和整流二极管(14, 15,16,17),其中负极侧的两个二极管(14,15)的反向特性被调节到规定的齐纳电压,与布置在中心的第三电容器(12)并联连接, 并且用于滤波的电容器(18)连接在这些整流桥(14,15,16,17)的正极(+)端子和负极( - )端子之间。 因此,在绝缘状态下将交流输入电压从电力输入端子分割成所需电压之后,该功率单元可以稳定地产生直流输出电压,而不使用三端稳压器,并且还可以吸收在 输入侧或输出侧发生的噪声。
    • 29. 发明公开
    • 저항 부하에 대한 AC 주 전압의 보상 회로
    • 用于完成交流主电压的电路,特别是电阻负载
    • KR1020000049060A
    • 2000-07-25
    • KR1019997003133
    • 1997-10-08
    • 팔레이스 루시오토토라 로자리오
    • 팔레이스루시오토토라로자리오
    • H02M5/08H05B39/04H02M5/00
    • H02M7/06H05B39/041Y02B20/14
    • PURPOSE: A circuit for complementing an ac mains voltage, particularly for resistive loads is provided to to prevent the reverse flow of a processed portion of the AC supply voltage towards the AC power source and improve the efficiency of an optical source for resistive loads. CONSTITUTION: A circuit for complementing the AC mains supply voltage, particularly for resistive loads, comprising means (3) inserted between an AC power source and a resistive load (8) and adapted to prevent the reverse flow of a processed portion of the AC supply voltage towards the AC power source, and one or more capacitive means (3; 4a-4g) arranged ahead of the resistive load (8); the circuit has the particularity that the values of the one or more capacitive means are chosen, according to table 2, low enough to maintain the AC nature of said AC voltage and to complement, during discharge towards the resistive load (8), the AC supply voltage until a desired value thereof is reached.
    • 目的:提供用于补充交流电源电压的电路,特别是用于电阻负载的电路,以防止交流电源电压的处理部分逆向流向交流电源,并提高电阻负载的光源的效率。 构成:用于补充AC电源电压,特别是用于电阻负载的电路,包括插入在AC电源和电阻负载(8)之间的装置(3),并且适于防止AC电源的处理部分的反向流动 AC电源的电压以及布置在电阻负载(8)前面的一个或多个电容性装置(3; 4a-4g); 该电路具有这样的特殊性,根据表2,选择一个或多个电容性装置的值足够低以维持所述AC电压的AC特性,并在向阻性负载(8)放电期间补充AC 电源电压达到其期望值。