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Recent content by voravat

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    [SOLVED] Pic 16f876a Pure Sinewave inverter

    sine wave inverter pic pwm code in ccs Hi, Update, my inverter now generated spwm , a/b signals and produced load check signals (around 300Hz, in range of mV magintude,right?) ,after that i put load around 12W then adjust R22 for detec this load. I adjusted R22 until LEDs status --->green...
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    [SOLVED] Pic 16f876a Pure Sinewave inverter

    pwm lut hi,all. Today, I rebruned PIC MCU ,and remove feedback by remove R12 R21 D9 R16 (just voltage and current feedback signals as you said in previous reply for first starting on inverter) Results are: orange flashing(more frequently than 1s) and comes with signals at output. I've...
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    [SOLVED] Pic 16f876a Pure Sinewave inverter

    pic pwm sinewave Hi,maharadga. good to see you again! yes, are there from u10? but.... when The transfo was attached, LEDs status act irregularly such as g flash r flash g flash...go on ,or g flash r flash then nothing else, :D every green flash sitll comes with tik sound. Once, i...
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    [SOLVED] Pic 16f876a Pure Sinewave inverter

    pic16f84a programmer Hi, Taner and maharadga. I'm so confuse about these results: 1st--> when I removed transformer ,the signals shows normal. (standby mode-->g/r blink then green blink , overtemp-->red blink) **broken link removed** 2nd--> after I connected transformer and then connected...
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    [SOLVED] Pic 16f876a Pure Sinewave inverter

    pwm sine wave for tv Hi,All. update my works My inverter now start with green-->red--> and then green bink . during green blink,output has some signals at same period of blinking. (no any load connected ,or no check of polarity e.g. curr_h a/b etc.. now,I just have only 12VDC power supply...
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    [SOLVED] Pic 16f876a Pure Sinewave inverter

    ee65 ferrite core datasheet update... now. i changed code header to 16f876.h , but there are still same . before starting , i removed all feedback ( voltage,current,temperature). what should i do next? thank you
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    [SOLVED] Pic 16f876a Pure Sinewave inverter

    my pure sine wave inverter pdf Hi, Taner I've got a problem with first flight on the inverter. I connected input to 12VDC power supply , load wasn't connected yet. the LEDs just blink once for each ,then noting else. ps I use pic 16f876 instead of 16f876A burn via mplap I've...
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    [SOLVED] Pic 16f876a Pure Sinewave inverter

    what is pwm signal in inverter I have another question. what is exactly value of choke inductor , is it in uH ? thank you for your kindness
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    [SOLVED] Pic 16f876a Pure Sinewave inverter

    pic based sinewave inverter design To Taner could you please specify details in current transformer ? I do not know about A/V ratio my choices are these stuffs : https://www.es.co.th/detail.asp?Prod=TZ2L9S ,and https://www.es.co.th/detail.asp?Prod=ZCT801 is it match your design?/if...
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    [SOLVED] Pic 16f876a Pure Sinewave inverter

    how pwm inverter works Hi Taner for the ct ,can i use this ? https://www.es.co.th/Schemetic/PDF/TZ2L9-TAEH.PDF and programing that u told recently is synchonization? thx very much:D
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