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In this paper, a three-port soft switching DC-DC converter based on the bidirectional version of the three-state switching cell (3SSC) and dual active bridge (DAB). The converter features high voltage gain and current reduced stress in the converter primary switches. The soft switching curves are presented, showing that all active switches are designed to operate in Zero Voltage Switching (ZVS), depending...
This paper proposes a non-isolated quasi-Z-Source converter to feed a frequency inverter applied on a standalone photovoltaic tricycle. The converter uses the clipping voltage of the switch to be added to the output voltage, which allows reducing the duty cycle values and the gain of the converter. Some converter topologies, based on high gain coupled inductors and voltage multiplier cells cause large...
This paper presents a new three-port soft switching dc-dc converter topology based on the bidirectional version of the three-state switching cell, feasible to interconnect battery banks with a dc link and photovoltaic panels. All active switches are designed to operate in Zero Voltage Switching (ZVS). The theoretical analysis and experimental results a 2 kW prototype are presented.
This paper presents a three-port soft switching dc-dc converter topology based on the bidirectional version of the three-state switching cell (3SSC) and dual active bridge (DAB), feasible to interconnect battery banks with a dc link and photovoltaic panels. The converter features high voltage gain and current reduced stress in the converter primary switches. All active switches are designed to operate...
This paper presents a survey on supercapacitors and their application as power supply in microgrids (MGs) and electric vehicles (EVs). The importance of efficient dc-dc converters in this case is also discussed. One of the main topologies adequate for this purpose is discussed in detail i.e. the bidirectional interleaved boost converter. Finally, the design of a 2-kW prototype is presented so that...
<para> A circuit configuration of a single-phase nonisolated online uninterruptible power supply (UPS) with 110-V/220-V input–output voltage ratings is proposed, allowing the bypass operation without a transformer even if the input voltage is different from the output voltage. The converter consists of an ac–dc/dc–dc three-level boost converter combined with a double half-bridge inverter. In...
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