-
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.
-
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。
-
公开(公告)号:US20170317603A1
公开(公告)日:2017-11-02
申请号:US15652941
申请日:2017-07-18
Applicant: LG ELECTRONICS INC.
Inventor: Hyukjin NAM , Joonho JEON , Myonghwan KIM , Jinyoung CHO , Daehyun SHIN , Byoungsu YOON , Giyob PARK , Byungwook WOO , Jungguen KIM , Hyunrok MUN
IPC: H02M5/458 , H02S40/32 , H05K5/02 , H02S40/34 , H01L31/0443
Abstract: An integral inverter, usable with a solar cell module comprising a solar cell panel, can include a terminal for inputting a DC power from the solar cell panel; a bypass diode electrically connected to the terminal; an inverter member including a direct current (DC)-alternating current (AC) inverter electrically connected to the bypass diode; a case to integrate at least one of the terminal and the bypass diode with the DC-AC inverter located therein, and attached to a back surface of the solar cell panel using an adhesive; and an AC cable for outputting AC power from the case.
-
4.
公开(公告)号:US20150200603A1
公开(公告)日:2015-07-16
申请号:US14478892
申请日:2014-09-05
Applicant: LG ELECTRONICS INC.
Inventor: Hyukjin NAM , Joonho JEON , Myonghwan KIM , Jinyoung CHO , Daehyun SHIN , Byoungsu YOON , Giyob PARK , Byungwook WOO , Jungguen KIM , Hyunrok MUN
IPC: H02M5/458 , H05K5/02 , H05K7/14 , H01L31/0443
CPC classification number: H02M5/4585 , H01L31/0443 , H02S40/32 , H02S40/34 , H05K5/0221
Abstract: Discussed is an integral inverter usable with a solar cell module including a solar cell panel. The integral inverter includes a terminal connected to the solar cell panel, a bypass diode electrically connected to the terminal, an inverter member including a direct current (DC)-alternating current (AC) inverter electrically connected to the bypass diode and a case configured to integrate at least one of the terminal and the bypass diode with the DC-AC inverter located therein.
Abstract translation: 讨论了可以用于包括太阳能电池板的太阳能电池模块的整体式逆变器。 积分逆变器包括与太阳能电池面板连接的端子,与端子电连接的旁路二极管,逆变器部件,其包括电连接到旁路二极管的直流(DC) - 母线电流(AC)逆变器,以及配置为 将端子和旁路二极管中的至少一个与位于其中的DC-AC逆变器集成。
-
-
-