Title:
CONTROL METHOD AND DEVICE FOR PREVENTING MPPT MISJUDGEMENT
Document Type and Number:
WIPO Patent Application WO/2016/015635
Kind Code:
A1
Abstract:
A control method and device for preventing MPPT misjudgement, the method comprising: a first operating point, a second operating point and a third operating point are obtained, and the second operating point is moved to the third operating point according to a current movement direction; the power of the second operating point and the power of the third operating point are obtained, and when the power of the second operating point is greater than that of the third operating point, it is determined that misjudgement has occurred, and the operating point following the third operating point is moved in the reverse direction, so as to achieve the goal of adjusting the movement direction of the operating points of a photovoltaic cell in a timely manner. The control method has a simple principle, performs adjustment in a timely manner after misjudgement has occurred in the photovoltaic cell, and enables the solar energy utilisation rate to be increased.
Inventors:
LIU RUI (CN)
SUN FENGTAO (CN)
CHEN HONGTAO (CN)
CHENG LIANGYI (CN)
SUN FENGTAO (CN)
CHEN HONGTAO (CN)
CHENG LIANGYI (CN)
Application Number:
PCT/CN2015/085357
Publication Date:
February 04, 2016
Filing Date:
July 28, 2015
Export Citation:
Assignee:
GREE ELECTRIC APPLIANCES INC (CN)
International Classes:
G05F1/67
Foreign References:
| US4649334A | 1987-03-10 | |||
| CN104133517A | 2014-11-05 | |||
| CN103049034A | 2013-04-17 | |||
| CN102289240A | 2011-12-21 | |||
| CN102436285A | 2012-05-02 | |||
| US20050073289A1 | 2005-04-07 |
Attorney, Agent or Firm:
KANGXIN PARTNERS,P.C. (CN)
北京康信知识产权代理有限责任公司 (CN)
北京康信知识产权代理有限责任公司 (CN)
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