PHOTOVOLTAIC SYSTEM AND CONTROL METHOD THEREFOR

WIPO Patent Application WO/2018/072406

A1

A photovoltaic system and a control method therefor. The photovoltaic system comprises a photovoltaic battery assembly (1), a converter unit (3), a first switch (4), a second switch (5), and a switch power supply (6). An output end of the photovoltaic battery assembly (1) is connected to a first end of the converter unit (3) by means of the first switch (4); a second end of the converter unit (3) is connected to a power grid (9) by means of the second switch (5). The switch power supply (6) is provided with a direct current power branch (61) and an alternating current power branch (62). A power outlet point of the direct current power branch (61) is located between the photovoltaic battery assembly (1) and the first switch (4); and a power outlet point of the alternating current power branch (62) is located between the second switch (5) and the power grid (9). The photovoltaic system can reduce standby loss of a system, improve safety and reliability of the system, and guarantee the service life of the photovoltaic battery assembly.

LOU HEWEI (CN)
LIU KEQIN (CN)
LI JIANHUA (CN)
ZHANG XUEFEN (CN)

PCT/CN2017/080123

April 26, 2018

April 11, 2017

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GREE ELECTRIC APPLIANCES INC ZHUHAI (CN)

H02J3/38

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CN106208342A	2016-12-07
JP2013236503A	2013-11-21

KANGXIN PARTNERS, P. C. (CN)

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