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A battery power source is formed by bi-directional buck-boost type battery power modules (BPMs) connected in series. The total required load power is collaboratively supplied by all BPMs, which can virtually be controlled independently. Therefore, the discharging currents of the batteries in BPMs can be scheduled in accordance with the remaining state-of-charges (SOCs) to acquire charge equalization...
Bulk electrolytic capacitors are used in single phase inverters to reduce the ripple in dc link voltage which is due to the pulsating nature of the instantaneous power. The reliability of an inverter is limited by the lower lifetime of these capacitors. In addition, the switching devices also deteriorate the reliability, due to their significant failure rate. In order to improve the overall reliability...
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