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Special Issue Article Open Access
The Z-source inverter (ZSI) employs an LC impedance network between thepower source andinverterbridge. The unique feature of the ZSI is that it can operateeither in buck or boost mode with a wide range of obtainableoutput voltages from a given input voltage. The Z-source inverter alsoexhibits better electromagneticinterference noise immunity whencompared to a traditional voltage-source inverter (VSI). Switched boost inverter (SBI) which is derived from Z source inverter exhibits similar advantages of ZSI with lower number of passive components and more number of active components. By utilizing the shoot through capability of switched boost inverter we can use SBI as a substitute for single switch in the boost converter. Thus SBI provide the AC output power and boost converter provide the DC output power. DC output voltage can be varied from 280V to 160V and AC output voltage can be varied from 140V to 85V with input DC source of 100V.The value of D can be varied from 0 to 0.5. The steady-state analysis of SBI, along with its pulse width modulation(PWM) control strategies, have been discussed. Simulink model is used to validate the operation of the converter.