Energy storage inverter charging and discharging control circuit and control method thereof
An energy storage inverter, charge and discharge control technology, applied in the field of electronics, can solve problems such as poor flexibility and low adaptability, and achieve the effects of high engineering value, good adaptability and practicability, and good application prospects
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Embodiment 1
[0029] Such as figure 2 As shown, when the a1 and b1 ends of the switch S1 of the control circuit 2 are closed and turned on, and the a2 and b2 of the switch S2 are turned on, the bidirectional non-isolated DC-DC converter A1 and the bidirectional non-isolated DC-DC conversion The combined operation of the converter B and 2 forms a new cascaded bidirectional non-isolated converter circuit, which improves the voltage conversion and matching capabilities of charging and discharging.
Embodiment 2
[0031] Such as image 3 As shown, when the a1 and b1 terminals of the switch S1 of the control circuit 2 are closed and turned on, and the a2 and c2 of the switch S2 are turned on, the equivalent bidirectional non-isolated DC-DC converter A1 works alone and is suitable for voltage conversion Charging and discharging occasions with small range and no isolation application.
Embodiment 3
[0033] Such as Figure 4 As shown, when the a1 and b1 ends of the switch S1 of the control circuit 2 are closed and turned on, and the a2 and d2 of the switch S2 are turned on, the equivalent bidirectional non-isolated DC-DC converter A1 and the bidirectional isolated DC-DC Converter C works in 3-phase cascade, suitable for charging and discharging occasions that require high voltage conversion and isolation applications.
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