DC_TO_DC_AC_INVERTER

Published:2009/6/25 4:28:00 Author:May | From:SeekIC

Circuit Notes This inverter uses no special components such as the torodial transformer used in many inverters. Cost is kept ldw with the use of cheap, readily available components. Essen-tially, it is a power amplifier driven by an asta-ble multivibrator. The frequency is around 1200 Hz which most 50/60 Hz power transfor-mers handle well without too much loss. In-creasing the value of capacitors C1 and C2 will lower the frequency if any trouble is experi-enced. However, rectifier filtering capacitors required are considerably smaller at the higher operating frequency. The two 2N3055 transis-tor should be mounted on an adequately sized heatsink. The transformer should be rated ac-cording to the amount of output power required allowing for conversion efficiency of approxi-mately 60%.



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