2004
DOI: 10.1590/s0103-17592004000200005
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A new ZCZVT commutation cell for PWM DC-AC converters

Abstract: This paper proposes a new auxiliary commutation cell for PWM inverters that allows the main switches to be turned on and off at zero voltage and zero current. The main switches zero current turn-on reduces the undesired effects of parasitic inductances related to the circuit layout. The main diodes reverse recovery losses are minimized since di/dt and dv/dt are controlled. The ZCZVT commutation cell is located out of the main power path of the converters and is activated only during switching transitions. Addi… Show more

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Cited by 2 publications
(2 citation statements)
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“…ZCZVT inverter allows main switches commutations to happen simultaneously with zero voltage and zero current, at both turn-on and turn-off, with slowed di/dt and dv/dt. [2]. ZCZVT commutation cell is suitable for both majority and minority carriers semiconductor device applications such as MOSFET's, IGBT's, MCT!s, Thyristors,etc.…”
Section: A Introduction To Zczvt Invertersmentioning
confidence: 99%
See 1 more Smart Citation
“…ZCZVT inverter allows main switches commutations to happen simultaneously with zero voltage and zero current, at both turn-on and turn-off, with slowed di/dt and dv/dt. [2]. ZCZVT commutation cell is suitable for both majority and minority carriers semiconductor device applications such as MOSFET's, IGBT's, MCT!s, Thyristors,etc.…”
Section: A Introduction To Zczvt Invertersmentioning
confidence: 99%
“…For I o , two cases are valid; I o > 0 and I o < 0. For a single switching period, conduction is between D 2 -D 3 and S 1 -S 4[2]. (L R1 , L R2 : Shared (common) air intermittent enductances (not free enductances) ) Proposed Full Bridge ZCZVT Inverter di D / dt rate of compatible: 80 A / µs…”
mentioning
confidence: 99%