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Recent content by vanshajtaxali

  1. V

    Schematic and observation

    hey FvM Looks like you were right indeed i am getting inductive spikes at the beginning of every Pwm cycle...I removed the capacitor attached to the diode and tried to check the output and yupp i am getting spikes but it is only at the beginning of each High side PWM cycle....posting another pdf...
  2. V

    Schematic and observation

    I am posting another set of observation (Observation2.pdf) where the current probe is set after the diode instead of placing it on the positive of battery just for the ease if you can conclude any thing from this.....i am confused at this point :-(
  3. V

    Schematic and observation

    Yupp you may be right and at this point i cannot deny your fact also let me make analysis again and tell you.... i overlooked it thanks for the hint
  4. V

    Schematic and observation

    Hey Thanks for your reply and calculation are exactly correct but i am in a bit of a tight situation because i don't have the documentation for the load hence i could not give you the details... but i think so i have figured the problem If u see me observation carefully you will observe that...
  5. V

    Schematic and observation

    I am now able to run the circuit up to 60V getting a good sinusoidal of 7.5A peak current but my power supply still read max 1.8A at this situation....couldn't understand why
  6. V

    Schematic and observation

    could you please simplify the term i am not able to get you !:thinker:
  7. V

    Schematic and observation

    I have to just use the supply to maximum 450V and presently im just operating it on 10-35V
  8. V

    Schematic and observation

    I posted it along but i guess it didn't upload
  9. V

    Schematic and observation

    Hey I am posting the schematic that i am implementing and also the observation on my oscilloscope and here are some points for better understanding 1) I am using STGW20NC60VD IGBT and the data sheet is attached also the diode I'm using for boot strapping and snubber are FR105 (datasheet...
  10. V

    Single phase DC-AC converter using 4 outputs (2 hi an 2Lo) of three phase IR2130

    Hey Thanks for the input but If I am not using any kind of filter i am able to get a manageable sinusoidal signal but the current still goes back...and if i add a capacitor in parallel to the inductor of 1000 uf the wave form is smooth but the current going back has increased now than the...
  11. V

    Single phase DC-AC converter using 4 outputs (2 hi an 2Lo) of three phase IR2130

    I am using 2 output of a single IR2130 to build a DC-AC converter using SPWM via Raspberry pi. Now i am able to get a very good sine wave across the inductor but the problem is that the current is still going back in the supply even after applying the snubber and hence the fault logic of ic...
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