Bidirectional DC-AC Solution For Solar Application System, Based on the
TMS320F28035 MCU
Bidirectional DC-AC inverter. Solar MPPT.

        http://www.ti.com/lit/an/sprac85/sprac85.pdf

This application note presents a detailed solution for implementing a
3-phase solar inverter application system based on the TMS320F28035
microcontrollers (MCUs). The solution design includes bidirectional 3-phase
DC-AC algorithms, and the maximum power point tracking (MPPT) DC-DC
algorithm for solar panel control.  This solution implements an isolated
DC-DC stage with the MPPT algorithm, to make use of the full capacity of
the solar panel. The solar inverter maintains its input voltage at the
reference set point generated by the MPPT algorithm, and delivers power to
a downstream DC-AC inverter when connected across its output. The
bidirecion DC-AC inverter transfers power from the DC stage to the
connected AC grid while the DC loading requirement is small. Or, the
inverter transfers the power from the connected AC grid to the DC stage if
the DC energy is insufficient for the DC loading requirement.
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