Patent ID: 11888322
Assignee: HUAWEI DIGITAL POWER TECHNOLOGIES CO., LTD.
Field: Electrical machinery, apparatus, energy (Electrical engineering)
Classification: CPC H  Y | IPC H

Claim 0:
1. A photovoltaic system comprising:
a maximum power point tracking MPPT controller and a power converter connected to each other;
wherein the MPPT controller is configured to: be connected to a photovoltaic array, and track a global maximum power point MPP of the photovoltaic array; and
the MPPT controller is further configured to obtain, when there is a periodic shade for the photovoltaic array, a multi-peak search start moment of a global MPPT of the photovoltaic array based on a status of tracking the global MPP of the photovoltaic array in a target time period, so that when the multi-peak search start moment in each MPPT period arrives, the global MPPT of the photovoltaic array is started, to output a working point of the global MPP of the photovoltaic array to the power converter, wherein the target time period comprises a plurality of MPPT periods.