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公开(公告)号：US20160301360A1
公开(公告)日：2016-10-13
申请号：US15184143
申请日：2016-06-16
Applicant: LG ELECTRONICS INC.
Inventor： Kiok LEE , Myonghwan KIM
CPC classification number: H02S40/32 , H01L31/0443 , H01L31/0508 , H02S40/34 , H02S40/42 , H02S50/00
Abstract: A photovoltaic module includes: a solar cell module including a plurality of solar cells; and a junction box including a capacitor unit attached to one face of the solar cell module and that to stores DC power supplied from the solar cell module, and a dc/dc converter unit to convert the level of the stored DC power and output the same. Thus, power may be easily supplied through the junction box.
Abstract translation: 光伏模块包括：包括多个太阳能电池的太阳能电池模块; 以及接线盒，其包括附接到太阳能电池模块的一面的电容器单元，以及用于存储从太阳能电池模块提供的DC电力的接线盒;以及dc / dc转换器单元，用于转换存储的DC电力的电平并输出 。 因此，可以容易地通过接线盒供电。
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2.发明申请POWER CONVERSION APPARATUS, PHOTOVOLTAIC MODULE AND COMMUNICATION DEVICE AND PHOTOVOLTAIC SYSTEM INCLUDING THE SAME 有权功率转换装置，光电模块和通信装置和包括其的光伏系统公开(公告)号：US20150207456A1
公开(公告)日：2015-07-23
申请号：US14479120
申请日：2014-09-05
Applicant: LG ELECTRONICS INC.
Inventor： Dongho HAN , Myonghwan KIM , Myungsoo HAM , Hyunho DO
CPC classification number: H02S40/32 , H02J3/383 , H02J13/0031 , H02M3/285 , H02M7/48 , H02M2001/007 , H02S40/34 , H04B3/54 , H04B2203/5416 , Y02E10/563 , Y02E40/72 , Y04S10/123
Abstract: A power conversion apparatus, a photovoltaic module, and a communication device and a photovoltaic system including the same are discussed. The power conversion apparatus includes an inverter unit to perform alternating current (AC) voltage conversion based on direct current (DC) voltage from a solar cell module, a controller to control the inverter unit, and a communication unit to add a carrier frequency signal containing predetermined information to the converted AC voltage and output the AC voltage containing the predetermined information to a grid and, when a level of the converted AC voltage is equal to or less than a predetermined level, to add the carrier frequency signal containing the predetermined information to DC voltage and output the DC voltage containing the predetermined information to the grid. Consequently, it is possible to stably transmit information.
Abstract translation: 讨论了电力转换装置，光伏模块和通信装置以及包括它们的光伏系统。 电力转换装置包括逆变器单元，其基于来自太阳能电池模块的直流（DC）电压进行交流（AC）电压转换，控制器控制逆变器单元，以及通信单元，添加载波频率信号，该载波频率信号包含 将预定的信息转换成转换的交流电压，并将含有预定信息的交流电压输出到电网，并且当转换的交流电压的电平等于或小于预定电平时，将包含预定信息的载波频率信号加到 直流电压，并将包含预定信息的直流电压输出到电网。 因此，可以稳定地发送信息。
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公开(公告)号：US20180069504A1
公开(公告)日：2018-03-08
申请号：US15698369
申请日：2017-09-07
Applicant: LG ELECTRONICS INC.
Inventor： Myungsoo HAM , Myonghwan KIM , Sangin LEE
IPC: H02S40/32 , H02S40/38 , H02S40/34 , H01L31/044
Abstract: Disclosed is a photovoltaic module. The photovoltaic module includes a solar cell module including a plurality of solar cells, and an inverter unit to receive a direct current (DC) voltage from the solar cell module and convert the DC voltage received from the solar cell module into an alternating current (AC) voltage without converting a level of the DC voltage received from the solar cell module.
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公开(公告)号：US20150200584A1
公开(公告)日：2015-07-16
申请号：US14479133
申请日：2014-09-05
Applicant: LG ELECTRONICS INC.
Inventor： Younjong KANG , Myonghwan KIM , Myungsoo HAM , Kyungsoo JUNG
CPC classification number: H02J3/383 , H02M3/1584 , H02M3/285 , H02M3/33523 , H02M2001/0048 , H02M2003/1566 , H02M2003/1586 , Y02B70/1491 , Y02E10/563
Abstract: Discussed are a power conversion apparatus and a photovoltaic module including the power conversion apparatus. The power conversion apparatus includes a converter unit to convert DC voltage from a solar cell module, the converter unit including a plurality of interleaving converters, and a controller to control the converter unit, wherein the controller changes switching periods of the interleaving converters and changes phase differences between the interleaving converters during operation sections of the interleaving converters, in response to a change of the switching periods of the interleaving converters. Consequently, it is possible to prevent instantaneous reduction of output power due to change of switching frequencies of the interleaving converters.
Abstract translation: 讨论了包括电力转换装置的电力转换装置和光伏模块。 电力转换装置包括：转换器单元，用于转换来自太阳能电池模块的直流电压，转换器单元包括多个交错转换器;以及控制器，用于控制转换器单元，其中控制器改变交错转换器的开关周期并改变相位 响应于交织转换器的切换周期的变化，交织转换器的操作部分期间的交织转换器之间的差异。 因此，可以防止由于交错转换器的开关频率的变化而导致的输出功率的瞬时降低。
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公开(公告)号：US20150180407A1
公开(公告)日：2015-06-25
申请号：US14642714
申请日：2015-03-09
Applicant: LG ELECTRONICS INC.
Inventor： Hyunrok MUN , Myonghwan KIM
CPC classification number: H02S40/34 , H01L31/05 , H02S40/32 , H02S40/345
Abstract: A photovoltaic module includes: a solar cell module including a plurality of solar cells; a junction box including a dc/dc converter unit to convert the level of DC power supplied from the solar cell module; a plate on one surface of the solar cell module and disposed between the solar cell module and the junction box; and a coupling member attaching and detaching the junction box from the solar cell module.
Abstract translation: 光伏模块包括：包括多个太阳能电池的太阳能电池模块; 接线盒，其包括用于转换从太阳能电池模块提供的直流电力的电平的dc / dc转换器单元; 太阳能电池模块的一个表面上的一个板，并设置在太阳能电池模块和接线盒之间; 以及将接线盒从太阳能电池模块附接和分离的耦合构件。
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Patent Agency Ranking
公开(公告)号：US20190097576A1
公开(公告)日：2019-03-28
申请号：US16138429
申请日：2018-09-21
Applicant: LG ELECTRONICS INC.
Inventor： Giyob PARK , Myonghwan KIM , Byoungsu YOON , Youngbok JUNG , Kyungsoo JUNG
Abstract: Discussed is a photovoltaic module including: a solar cell module including a plurality of solar cells; a converter to convert a level of first direct current (DC) power input from the solar cell module, and to output second DC power; an inverter to convert the second DC power supplied from the converter into alternating current (AC) power; and a controller to control the converter and the inverter, wherein the converter comprises: a full-bridge switching part to switch the first DC power; a transformer having an input side connected to an output terminal of the full-bridge switching part; and a half-bridge switching part connected to an output side of the transformer, wherein the controller changes a switching frequency of the full-bridge switching part and the half-bridge switching part in a first section of a waveform.
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公开(公告)号：US20170271876A1
公开(公告)日：2017-09-21
申请号：US15459350
申请日：2017-03-15
Applicant: LG ELECTRONICS INC.
Inventor： Dongho HAN , Giyob PARK , Myonghwan KIM , Yunsu BAE
CPC classification number: H02J3/383 , H01L31/0201 , H01L31/0481 , H01L31/0488 , H02J3/385 , H02J3/46 , H02M3/33507 , H02S40/32 , H02S40/34 , H02S50/00 , Y02E10/58
Abstract: A photovoltaic module includes a solar cell module including multiple solar cells, and first and second conductive lines connected respectively to first and second solar cells among the solar cells, and a junction box attached to the solar cell module. The junction box includes a power conversion unit including a capacitor unit located between the first and second conductive lines, a converter unit to change the level of a DC voltage at opposite ends of the capacitor unit and to output the DC voltage, and a controller to control the converter unit. When shading occurs in some of the solar cells, the power conversion unit supplies a second current, the level of which is lower than the level of a first current supplied before shading occurs, whereby the possibility of generation of a hot spot may be reduced despite the absence of bypass diodes when shading occurs.
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公开(公告)号：US20170063303A1
公开(公告)日：2017-03-02
申请号：US15251660
申请日：2016-08-30
Applicant: LG ELECTRONICS INC.
Inventor： Myonghwan KIM , Yunsu BAE
Abstract: Disclosed herein is a solar cell module. The solar cell module includes a solar cell panel, a distribution box located on the rear surface of the solar cell panel and including wiring connected to the solar cell panel, and a light source configured to emit light to the front surface of the solar cell panel through the solar cell panel, if an error signal is detected.
Abstract translation: 本文公开了一种太阳能电池组件。 太阳能电池模块包括：太阳能电池面板，位于太阳能电池面板的后表面上的配电箱，并且包括连接到太阳能电池面板的布线;以及配置为向太阳能电池板的正面发光的光源 通过太阳能电池板，如果检测到错误信号。
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公开(公告)号：US20150200623A1
公开(公告)日：2015-07-16
申请号：US14479179
申请日：2014-09-05
Applicant: LG ELECTRONICS INC.
Inventor： Younjong KANG , Myonghwan KIM , Myungsoo HAM , Wontae HAM , Giyob PARK , Byoungsu YOON
CPC classification number: H02S40/32 , H02J7/35 , H02M1/14 , H02M3/335 , H02M7/493 , H02M7/5387 , H02S40/34 , Y02E10/56
Abstract: A photovoltaic module is discussed. The photovoltaic module includes a solar cell module including a plurality of solar cells and a junction box attached to a rear surface of the solar cell module, the junction box including a power conversion module to convert direct current (DC) voltage supplied from the solar cell module into alternating current (AC) voltage and to output the AC voltage, wherein the power conversion module included at least one bypass diode to receive the DC voltage from the solar cell module, a converter unit to power-convert the DC voltage from the at least one bypass diode, the converter unit including at least three interleaving converters, a capacitor to store voltage output from the converter unit, and an inverter unit to output the AC voltage using the voltage stored in the capacitor. Consequently, it is possible to stably output AC voltage.
Abstract translation: 讨论了光伏组件。 光伏模块包括太阳能电池模块，该太阳能电池模块包括多个太阳能电池和连接到太阳能电池模块背面的接线盒，该接线盒包括一个电力转换模块，用于转换从太阳能电池提供的直流（DC）电压 模块转换为交流（AC）电压并输出交流电压，其中功率转换模块包括至少一个旁路二极管以接收来自太阳能电池模块的直流电压;转换器单元，用于从直流电压 至少一个旁路二极管，所述转换器单元包括至少三个交错转换器，用于存储来自所述转换器单元的电压输出的电容器;以及逆变器单元，用于使用所述电容器中存储的电压输出所述AC电压。 因此，可以稳定地输出交流电压。
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公开(公告)号：US20190312437A1
公开(公告)日：2019-10-10
申请号：US16450448
申请日：2019-06-24
Applicant: LG ELECTRONICS INC.
Inventor： Dongho HAN , Giyob PARK , Myonghwan KIM , Yunsu BAE
Abstract: A photovoltaic module includes a solar cell module including multiple solar cells, and first and second conductive lines connected respectively to first and second solar cells among the solar cells, and a junction box attached to the solar cell module. The junction box includes a power conversion unit including a capacitor unit located between the first and second conductive lines, a converter unit to change the level of a DC voltage at opposite ends of the capacitor unit and to output the DC voltage, and a controller to control the converter unit. When shading occurs in some of the solar cells, the power conversion unit supplies a second current, the level of which is lower than the level of a first current supplied before shading occurs, whereby the possibility of generation of a hot spot may be reduced despite the absence of bypass diodes when shading occurs.
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