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Current source inverter (CSI) offers key merits of direct output current control, voltage gain operation, current limiting ability, and inherent short-circuit protection. The modulation and control for medium voltage high power application are implemented at low device switching frequency in order to attain high efficiency and to reduce cooling requirements. At low switching frequency operation, the...
Current fed multilevel converters have several advantages in terms of high power capability, transformer less operation, short circuit protection and excellent quality of waveforms. For high power applications, these converters are required to be operated under low device switching frequency to necessitate thermal constraints of the semiconductor devices. However, the converter output currents under...
In high power conversion, low device switching frequency operation is preferred in order to satisfy the thermal constraints of the semiconductor devices and also to improve efficiency. However, low device switching frequency operation leads to higher total harmonic distortion (THD) of the converter output currents. Synchronous optimal pulse-width modulation (SOP) technique is an emerging low device...
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