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Inverter device having three-level neutral clamp type inverter circuit
Inverter device having three-level neutral clamp type inverter circuit
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机译：具有三电平中性钳位型逆变器电路的逆变器装置
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摘要
In a three-level neutral point clamping type inverter circuit which includes a positive bus line (4), a negative bus line (5) and a neutral line (6), wherein first and second IGBTs (11), (12) are connected in series between the positive bus line (4) and a phase voltage output terminal (10) and third and fourth IGBTs (13), (14) are connected in series between the negative bus line (5) and the phase voltage output terminal (10), the three-level neutral point clamping type inverter circuit further includes a first snubber capacitor (21) provided between the positive bus line (4) and the neutral line (6), a second snubber capacitor (22) provided between the negative bus line (5) and the neutral line (6), a first snubber diode (23) having a cathode coupled to the positive bus line (4) and an anode coupled to the phase voltage output terminal (10), and a second snubber diode (24) having an anode coupled to the negative bus line (5) and a cathode coupled to the phase voltage output terminal (10). IMAGE
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