this is my 3rd prototype inverter...100% hand made...12v-220v 1000watts switching mode..can power up 800w jigsaw and 500w blender with little voltage ripple..actually build switcing mode inverter is very2 complicated and dangerous but cost very low compare to traditional inverter using liner transformer..liner transformer very2 expensive,bulky and less efficient..that why i build switching mode inverter..my circuit topology 100% same with commercial inverter..most commercial inverter run switcing mode...when 12vdc convert to 340vdc using HF ferrite transformer 45khz switching frequency then rectified by Fast recovery diode and store to 400v capacitor..the 340v dc chopp by full H bridge circuit with 50hz frequency and convert to 220v ac..
Rating: 4.914
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