Patent application number | Description | Published |
20120262948 | PHOTOVOLTAIC MODULE - 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. | 10-18-2012 |
20120274264 | PHOTOVOLTAIC MODULE - 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. | 11-01-2012 |
20130193775 | POWER CONVERTING APPARATUS AND PHOTOVOLTAIC MODULE - A power converting apparatus and a photovoltaic module are discussed. The power converting apparatus includes a converter including a tapped inductor and a first switch, the converter converting a level of an input direct current (DC) voltage and outputting the level-converted DC voltage, and an inverter including a plurality of switches, the inverter converting the level-converted DC voltage into an alternating current (AC) voltage. The inverter operates separately in a first switching mode where the inverter performs a switching operation at a first frequency for a first period of the converted AC voltage and a second switching mode where the inverter performs a switching operation at a second frequency for a second period of the converted AC voltage, the second frequency being lower than the first frequency. | 08-01-2013 |
20150180407 | PHOTOVOLTAIC MODULE - 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. | 06-25-2015 |
20150200584 | POWER CONVERSION APPARATUS AND PHOTOVOLTAIC MODULE INCLUDING THE SAME - 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. | 07-16-2015 |
20150200603 | INTEGRAL INVERTER AND SOLAR CELL MODULE INCLUDING THE SAME - 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. | 07-16-2015 |
20150200623 | PHOTOVOLTAIC MODULE - 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. | 07-16-2015 |
20150207456 | POWER CONVERSION APPARATUS, PHOTOVOLTAIC MODULE AND COMMUNICATION DEVICE AND PHOTOVOLTAIC SYSTEM INCLUDING THE SAME - 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. | 07-23-2015 |