Self-adaptive maximum power tracking control method
The invention relates to a self-adaptive maximum power tracking control method. The method comprises the following steps: collecting current voltage and current values; according to the current voltage and the current value, obtaining a current power value, a voltage variable quantity and a power va...
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| creator | WU HAOZE LUO LIQIN WANG CHAOWEI ZHU CHENXUAN |
| description | The invention relates to a self-adaptive maximum power tracking control method. The method comprises the following steps: collecting current voltage and current values; according to the current voltage and the current value, obtaining a current power value, a voltage variable quantity and a power variable quantity through calculation; determining a duty ratio disturbance value according to the voltage variable quantity and the power variable quantity in combination with a preset derivative threshold value; determining a current duty ratio according to the current power value and the current voltage value in combination with the previous power value, the previous voltage value, the previous duty ratio and a duty ratio disturbance value; and modulating a corresponding PWM driving signal based on the current duty ratio so as to control the working state of the DC/DC converter. Compared with the prior art, the method can guarantee the tracking speed and stability of maximum power tracking at the same time.
本发明涉及一 |
| format | Patent |
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| title | Self-adaptive maximum power tracking control method |
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