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公开(公告)号：US09190828B2
公开(公告)日：2015-11-17
申请号：US14281417
申请日：2014-05-19
Applicant: LSIS CO., LTD.
Inventor： Jong Kug Seon
Abstract: The present disclosure relates to a detecting circuit for a circuit breaker, comprises: a detection sensor configured to output a detection signal by detecting a voltage or a current on an alternating current electric power circuit; a low pass filter configured to output a signal from the detection sensor after removing a high frequency component from the signal; an offset remover configured to output a signal from the low pass filter after removing a direct current offset from the signal; an amplifier configured to amplify a signal from the offset remover, and to output the signal; and a comparator configured to output a breaking control signal such that the circuit breaker operates to a circuit breaking position, if the detection signal input to the amplifier is equal to or larger than a reference voltage.
Abstract translation: 本发明涉及一种用于断路器的检测电路，包括：检测传感器，被配置为通过检测交流电力电路上的电压或电流来输出检测信号; 低通滤波器，被配置为在从信号中去除高频分量之后从检测传感器输出信号; 偏移去除器，被配置为在从所述信号去除直流偏移之后从所述低通滤波器输出信号; 放大器，配置为放大来自偏移去除器的信号，并输出信号; 以及如果输入到放大器的检测信号等于或大于参考电压，则比较器被配置为输出断路控制信号，使得断路器工作到断路位置。
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Patent Agency Ranking
公开(公告)号：US09678130B2
公开(公告)日：2017-06-13
申请号：US14570897
申请日：2014-12-15
Applicant: LSIS CO., LTD.
Inventor： Jong Kug Seon
CPC classification number: G01R31/025 , G01R31/02 , H02H3/33
Abstract: Disclosed is an earth leakage circuit breaker. The earth leakage circuit breaker is capable of determining an earth leakage signal applied thereto with high accuracy, by performing a trip operation by determining noise components included in the earth leakage signal, such as switching noise or harmonics, based on a determination signal generated by tracking the earth leakage signal. The earth leakage circuit breaker is capable of precisely determining whether to perform a trip operation with respect to an earth leakage signal applied thereto. The earth leakage circuit breaker is capable of preventing a malfunction due to a noise signal similar to an earth leakage signal.
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公开(公告)号：US09583645B2
公开(公告)日：2017-02-28
申请号：US14316555
申请日：2014-06-26
Applicant: LSIS CO., LTD.
Inventor： Dong Hyun Kim , Jong Kug Seon , Jong Bae Kim
IPC: H01L31/02 , G05F1/67 , H01L31/042 , G01R31/40 , H02S40/32
Abstract: Disclosed is a photovoltaic system including a power optimizer, capable of minimizing noise occurring due to shading, an error in an output power of a photovoltaic module, etc. while a maximum power point tracking (MPPT) algorithm is performed. The photovoltaic system includes a photovoltaic module; a power optimizer; and an inverter, wherein the power optimizer includes: an input unit configured to receive an output power of the photovoltaic module; a sensing unit configured to sense an output voltage and an output current of the photovoltaic module; and a controller configured to control an output of the power optimizer, by comparing the presently-sensed current with a previously-sensed current.
Abstract translation: 公开了一种包括功率优化器的光伏系统，其能够在执行最大功率点跟踪（MPPT）算法的同时最小化由于阴影引起的噪声，光伏模块的输出功率的误差等。 光伏系统包括光伏模块; 电源优化器; 以及逆变器，其中所述功率优化器包括：被配置为接收所述光伏模块的输出功率的输入单元; 感测单元，被配置为感测所述光伏模块的输出电压和输出电流; 以及控制器，被配置为通过将当前感测的电流与先前感测的电流进行比较来控制功率优化器的输出。
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公开(公告)号：US09608432B2
公开(公告)日：2017-03-28
申请号：US14738732
申请日：2015-06-12
Applicant: LSIS CO., LTD.
Inventor： Dong Hyun Kim , Jong Kug Seon , Chel Ho Chung
CPC classification number: H02H3/162 , G01R31/025 , H02H1/0015 , H02H3/33 , H02H3/331 , H02H3/338 , H02H9/02
Abstract: An electric leakage determination circuit for an electric leakage circuit breaker according to the invention comprises a zero current transformer on an alternating-current circuit to provide an electric leakage detection signal upon occurrence of electric leakage, a filter circuit unit connected to an output terminal of the zero current transformer to remove noise, and an electric leakage determination circuit unit comparing a voltage value of the electric leakage detection signal with a first reference voltage value, to be charged with electric charges when the voltage value is not smaller than the first reference voltage value and discharge electric charges when being smaller than the first reference voltage value, and comparing a charged voltage value with a second reference voltage value to determine occurrence of electric leakage when the charged voltage value is not smaller than the second reference voltage value.
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公开(公告)号：US09490632B2
公开(公告)日：2016-11-08
申请号：US13689245
申请日：2012-11-29
Applicant: LSIS CO., LTD
Inventor： Jong Kug Seon
CPC classification number: H02J1/00 , G05F3/08 , H01L31/02021 , H02J1/12 , H02J3/385 , H02M7/44 , H04B3/54 , H04B3/548 , H04B2203/5445 , H04B2203/5458 , H04B2203/5483 , Y02E10/58 , Y10T307/406 , Y10T307/707
Abstract: A solar device is provided. The solar device includes a solar module configured to absorb solar energy to convert the solar energy to electrical energy, a DC converter configured to detect an input voltage output from the solar module and outputs a DC voltage corresponding to a maximum power point through the detected input voltage, an interface unit configured to transmit data including the input voltage detected from the DC converter and the DC voltage corresponding to the maximum power point, a data combiner configured to combine and transmit data on the solar module with the data received from the interface unit, a data synthesizer configured to remove a DC voltage offset from the data received from the data combiner, and a data controller configured to track a maximum power point using data from which the DC voltage offset has been removed.
Abstract translation: 提供太阳能装置。 太阳能装置包括被配置为吸收太阳能以将太阳能转换成电能的太阳能模块，配置成检测从太阳能模块输出的输入电压的DC转换器，并通过检测到的输入输出与最大功率点对应的DC电压 电压，被配置为发送包括从DC转换器检测的输入电压的数据和对应于最大功率点的DC电压的接口单元，被配置为在太阳能模块上组合和发送数据与从接口单元接收的数据的数据组合器 数据合成器，被配置为从数据组合器接收的数据中去除DC电压偏移;以及数据控制器，被配置为使用从其中去除了直流电压偏移的数据来跟踪最大功率点。
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公开(公告)号：US09194891B2
公开(公告)日：2015-11-24
申请号：US14167874
申请日：2014-01-29
Applicant: LSIS CO., LTD.
Inventor： Jong Kug Seon
CPC classification number: G01R19/02 , G01R19/03 , G01R19/16547 , G01R21/06 , G06G7/20
Abstract: The present disclosure relates to a RMS detector for directly computing a signal detected through an analog circuit to measure its RMS value, and a circuit breaker using the same. For this purpose, a RMS detector according to the present disclosure may include a plurality of voltage/current sensing units configured to detect a voltage or current shaped analog signal for an arbitrary load; a plurality of square circuit units configured to compute square function units, respectively, based on a voltage output from the plurality of voltage/current sensing units; a summing circuit unit configured to sum a plurality of output voltages output from the plurality of square circuit units, respectively; and a root circuit unit configured to compute a RMS value based on a voltage output from the summing circuit unit.
Abstract translation: 本公开涉及用于直接计算通过模拟电路检测的信号以测量其RMS值的RMS检测器，以及使用该RMS检测器的断路器。 为此，根据本公开的RMS检测器可以包括多个电压/电流感测单元，其被配置为检测用于任意负载的电压或电流形状的模拟信号; 多个平方电路单元，被配置为基于从所述多个电压/电流感测单元输出的电压来分别计算平方功能单元; 求和电路单元，被配置为分别从多个平方电路单元输出的多个输出电压; 以及根电路单元，被配置为基于从求和电路单元输出的电压来计算RMS值。
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