Title:
PHOTOVOLTAIC SYSTEM
Document Type and Number:
WIPO Patent Application WO/2020/135877
Kind Code:
A1
Abstract:
The present application provides a photovoltaic system, relating to the technical field of electric power and capable of increasing the working voltage of photovoltaic strings. The photovoltaic system comprises an adaptive circuit, a first photovoltaic string, a second photovoltaic string, and a controller. The controller comprises an inverter or a combiner box; the first photovoltaic string and the second photovoltaic string are configured to provide power to the controller; the adaptive circuit is configured to connect in series with the first photovoltaic string; and the adaptive circuit is also configured to connect the second photovoltaic string in series with the first photovoltaic string when the voltage of the first photovoltaic string is lower than a preset threshold.
Inventors:
ZHANG YANZHONG (CN)
SHU ZHENHUAN (CN)
WANG XUN (CN)
SHU ZHENHUAN (CN)
WANG XUN (CN)
Application Number:
PCT/CN2019/130037
Publication Date:
July 02, 2020
Filing Date:
December 30, 2019
Export Citation:
Assignee:
HUAWEI TECH CO LTD (CN)
International Classes:
H02J3/38
Domestic Patent References:
| WO2009060273A1 | 2009-05-14 |
Foreign References:
| CN108781055A | 2018-11-09 | |||
| CN109638882A | 2019-04-16 | |||
| CN105811875A | 2016-07-27 | |||
| CN106602504A | 2017-04-26 | |||
| CN201811641390A | 2018-12-29 |
Other References:
See also references of EP 3855595A4
Attorney, Agent or Firm:
BEIJING ZBSD PATENT&TRADEMARK AGENT LTD. (CN)
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