The authors introduce a new con1iguration 01 resonant type high-1requency inverter which has inherent last-response Variable Voltage Variable Frequency (VVVF) strategy and high power adaptability.The two versions 01 this inverter which use voltage-vector and current-vector control have been investigated by means 01 extensive computer simulation show i ng the operating characteristics in terms of normalized variables.Two experimental set-ups using Static Induction Transistors lor induction heating application and A-SCRs lor DC/ AC wave10rm synthesis are also described.

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A sinusoidal PWM type inverter using GateTurn-Off Thyristors and featuring a new instantaneous current control strategy is described. Its utilization as an interface for a utility-grid connected photovoltaic generator with maximum power tracking capability is explained, and computer simulated along with experimental waveforms are discussed. Its simple hardware circuitry and excellent characteristics make it suitable for a wide variety of applications, including AC motor drives.