Abstract
Unlike the voltage source converter, the Z-source converter can boost as well as buck the input voltage. However, the presence of physically large components in the impedance network introduces large parasitic inductances into power device commutation paths. This leads to consequent overvoltages at power device turn-off. A simple circuit for addressing this is presented. Practical results are given for a voltage-fed quasi- Z-source inverter with discontinuous input current.
| Original language | English |
|---|---|
| Pages (from-to) | 551-553 |
| Number of pages | 3 |
| Journal | Electronics Letters |
| Volume | 52 |
| Issue number | 7 |
| Early online date | 3 Mar 2016 |
| DOIs | |
| Publication status | Published - 1 Apr 2016 |
Keywords
- power convertors
- bridge circuits
- impedance network
- bridge overload clamping
- discontinuous input current
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Cite this
Kitson, J., & McNeill, N. (2016). Circuit for clamping bridge over-voltages in a voltage-fed quasi Z-source converter. Electronics Letters, 52(7), 551-553. https://doi.org/10.1049/el.2015.4164