Title:
PHASE SHIFT CONTROL METHOD FOR CHARGING CIRCUIT
Document Type and Number:
WIPO Patent Application WO/2020/029312
Kind Code:
A1
Abstract:
A phase shift control method for a charging circuit, comprising a primary-side conversion circuit, a first secondary-side conversion circuit and a second secondary-side conversion circuit; the controller controls the wave generation of a first group and a second group of power switches in the primary-side conversion circuit, and controls the wave generation of a third group and a fourth group of power switches in the first secondary-side conversion circuit at the same time, and enables an on/off waveform of the first group of power switches and an on/off waveform of the third group of power switches to have a phase angle difference Φ; the controller collects an output current and an output voltage of the first secondary-side conversion circuit by means of a first secondary-side current collector and a first secondary-side voltage collector, compares the collected output current and output voltage with a preset output current and output voltage and performs calculation, and adjusts the magnitude and positive and negative of the phase angle difference Φ according to a comparison result.
Inventors:
LIU JUN (CN)
FENG YINGYING (CN)
YAO SHUN (CN)
XU JINZHU (CN)
FENG YINGYING (CN)
YAO SHUN (CN)
XU JINZHU (CN)
Application Number:
PCT/CN2018/100707
Publication Date:
February 13, 2020
Filing Date:
August 15, 2018
Export Citation:
Assignee:
SHENZHEN VMAX NEW ENERGY CO LTD (CN)
International Classes:
H02M1/088; H02J7/00; H02M3/335
Foreign References:
| CN108237943A | 2018-07-03 | |||
| CN105763066A | 2016-07-13 | |||
| CN107623365A | 2018-01-23 | |||
| US20160149498A1 | 2016-05-26 |
Attorney, Agent or Firm:
SHENZHEN KANGHONG INTELLECTUAL PROPERTY AGENT CO., LTD. (CN)
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