Multi-way MPPT photovoltaic inversion system
A photovoltaic inverter and inverter technology, applied in photovoltaic modules, photovoltaic power generation, control/regulation systems, etc., can solve problems such as failure to establish, reduce common mode current, poor practicability, etc., to increase power generation time and reduce common mode. Current, life-enhancing effect
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[0026] Embodiments of the present invention will be described in further detail below in conjunction with the accompanying drawings.
[0027] A multi-channel MPPT photovoltaic inverter system, including two parts: the main circuit of the inverter and the control circuit of the inverter, the photovoltaic inverter unit in the inverter circuit can be multiple, for example, the photovoltaic inverter unit can be two , three, four, six or eight, etc.; the inverter control loop includes a master station control system and multiple slave station control systems. According to the number of photovoltaic inverter units, the number of slave station control systems can be two one, three, four, six or eight, etc.; this embodiment takes four photovoltaic inverter units and four slave station control systems as an example for illustration. Such as figure 1 As shown, the current generated by the main circuit (i dc , i1 ABC ~i4 ABC ) signal, voltage (u dc , u ABC ) signal is sampled into ...
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