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Hysteresis current control (HCC) based voltage source converters (VSCs) have several advantages like good dynamic response, over-current protection, insensitive to load parameter variation and ease of implementation. The application of HCC technique for two-level VSCs are well established and few modifications of the same are also reported to operate with variable or constant switching frequency in...
Among the carrier based pulse width modulation (PWM) techniques, Phase Shifted PWM (PS-PWM) technique is preferred for Cascaded H-Bridge (CHB) multilevel inverters. This technique distributes power evenly among the modules and also ensures equal utilization of inverter switches within a module. On the other hand Carrier Disposition PWM (CD-PWM) technique has superior output voltage profile, but results...
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