[img]http://i.imgur.com/QpX93md.png[/img]
without filter i simulate the whole circuit and tried to plot the current waveform by placing a current probe in RL Load (R = 5 Ohm, L = 16 mH).
I should be getting a sinusoidal current waveform but it is giving my arbitrary result. what might be the problem ?
I have followed this article for PWM generation using Atmega16.
Switching Frequency 16 Khz.
Fundamental Frequency 50 Hz. http://tahmidmc.blogspot.com/2013/02...mode_2525.html
An external crystal is being used for 16 Mhz clock frequency.
here is the configuration i have done . [img]http://i.imgur.com/JjK5UYJ.png[/img]
Here is the PWM waveform [img]http://i.imgur.com/jPlB2it.png[/img]
[img]http://i.imgur.com/cXcdX7y.png[/img]
Instead of IR2110 i have used IR2112, as IR2110 is not available in Proteus. MOSFET Driver circuit is working fine, i have checked the voltage at gate and it is turning it ON/OFF.
MOSFETS are working good.
If i directly filter the PWM signal using RC filter i am getting a sinusoidal voltage waveform.
What might be the problem that i am not getting sinusoidal current waveform ????
If someone interested in debugging my circuit or just wants to run it in their Proteus please tell i will attach the design file.
Here is what i am getting when simulate the circuit
Current waveform [img]http://i.imgur.com/XbKkVQz.png[/img]
Voltage Waveform [img]http://i.imgur.com/rp0XPZp.png[/img]
Any help will be appreciated
I wish tahmid is here to help me out, he is the best guy when it comes to share knowledge and helping out.[img][/img]">
[img]http://i.imgur.com/QpX93md.png[/img]
without filter i simulate the whole circuit and tried to plot the current waveform by placing a current probe in RL Load (R = 5 Ohm, L = 16 mH).
I should be getting a sinusoidal current waveform but it is giving my arbitrary result. what might be the problem ?
I have followed this article for PWM generation using Atmega16.
Switching Frequency 16 Khz.
Fundamental Frequency 50 Hz. http://tahmidmc.blogspot.com/2013/02...mode_2525.html
An external crystal is being used for 16 Mhz clock frequency.
here is the configuration i have done . [img]http://i.imgur.com/JjK5UYJ.png[/img]
Here is the PWM waveform [img]http://i.imgur.com/jPlB2it.png[/img]
[img]http://i.imgur.com/cXcdX7y.png[/img]
Instead of IR2110 i have used IR2112, as IR2110 is not available in Proteus. MOSFET Driver circuit is working fine, i have checked the voltage at gate and it is turning it ON/OFF.
MOSFETS are working good.
If i directly filter the PWM signal using RC filter i am getting a sinusoidal voltage waveform.
What might be the problem that i am not getting sinusoidal current waveform ????
If someone interested in debugging my circuit or just wants to run it in their Proteus please tell i will attach the design file.
Here is what i am getting when simulate the circuit
Current waveform [img]http://i.imgur.com/XbKkVQz.png[/img]
Voltage Waveform [img]http://i.imgur.com/rp0XPZp.png[/img]
Any help will be appreciated
I wish tahmid is here to help me out, he is the best guy when it comes to share knowledge and helping out.[img][/img]">
[img]http://i.imgur.com/QpX93md.png[/img]
without filter i simulate the whole circuit and tried to plot the current waveform by placing a current probe in RL Load (R = 5 Ohm, L = 16 mH).
I should be getting a sinusoidal current waveform but it is giving my arbitrary result. what might be the problem ?
I have followed this article for PWM generation using Atmega16.
Switching Frequency 16 Khz.
Fundamental Frequency 50 Hz. http://tahmidmc.blogspot.com/2013/02...mode_2525.html
An external crystal is being used for 16 Mhz clock frequency.
here is the configuration i have done . [img]http://i.imgur.com/JjK5UYJ.png[/img]
Here is the PWM waveform [img]http://i.imgur.com/jPlB2it.png[/img]
[img]http://i.imgur.com/cXcdX7y.png[/img]
Instead of IR2110 i have used IR2112, as IR2110 is not available in Proteus. MOSFET Driver circuit is working fine, i have checked the voltage at gate and it is turning it ON/OFF.
MOSFETS are working good.
If i directly filter the PWM signal using RC filter i am getting a sinusoidal voltage waveform.
What might be the problem that i am not getting sinusoidal current waveform ????
If someone interested in debugging my circuit or just wants to run it in their Proteus please tell i will attach the design file.
Here is what i am getting when simulate the circuit
Current waveform [img]http://i.imgur.com/XbKkVQz.png[/img]
Voltage Waveform [img]http://i.imgur.com/rp0XPZp.png[/img]
Any help will be appreciated
I wish tahmid is here to help me out, he is the best guy when it comes to share knowledge and helping out.[img][/img]">
The Engineering Projects
A lot of Engineering projects and tutorials for the students to help them in their final year projects and semester projects.
I am designing a pure sinewave inverter, 220V, 50 Hz.
Here is the complete design, [img]http://i.imgur.com/QpX93md.png[/img]
without filter i simulate the whole circuit and tried to plot the current waveform by placing a current probe in RL Load (R = 5 Ohm, L = 16 mH).
I should be getting a sinusoidal current waveform but it is giving my arbitrary result. what might be the problem ?
I have followed this article for PWM generation using Atmega16.
Switching Frequency 16 Khz.
Fundamental Frequency 50 Hz. http://tahmidmc.blogspot.com/2013/02...mode_2525.html
An external crystal is being used for 16 Mhz clock frequency.
here is the configuration i have done . [img]http://i.imgur.com/JjK5UYJ.png[/img]
Here is the PWM waveform [img]http://i.imgur.com/jPlB2it.png[/img]
[img]http://i.imgur.com/cXcdX7y.png[/img]
Instead of IR2110 i have used IR2112, as IR2110 is not available in Proteus. MOSFET Driver circuit is working fine, i have checked the voltage at gate and it is turning it ON/OFF.
MOSFETS are working good.
If i directly filter the PWM signal using RC filter i am getting a sinusoidal voltage waveform.
What might be the problem that i am not getting sinusoidal current waveform ????
If someone interested in debugging my circuit or just wants to run it in their Proteus please tell i will attach the design file.
Here is what i am getting when simulate the circuit
Current waveform [img]http://i.imgur.com/XbKkVQz.png[/img]
Voltage Waveform [img]http://i.imgur.com/rp0XPZp.png[/img]
Any help will be appreciated
I wish tahmid is here to help me out, he is the best guy when it comes to share knowledge and helping out.[img][/img]
Comments on ‘’ Pure Sine Wave Inverter Design ‘’ ( 2 )
0
Says:
Some people seem to be of the opinion that a pure sine wave inverter is somehow better for charging laptop batteries than non-sine wave inverters. That seems wrong to me; I can't imagine why the THD of AC going into a digital power supply that puts out low voltage DC to charge a battery matters to the laptop that is running from the battery. Am I missing something? Thanks and [url=https://inverterreview.com/]check this[/url]
Reply
100
1
Says:
[quote=Watters post_id=152 time=1487943692 user_id=78]
I am designing a pure sinewave inverter, 220V, 50 Hz.
Here is the complete design, [img]http://i.imgur.com/QpX93md.png[/img]
without filter i simulate the whole circuit and tried to plot the current waveform by placing a current probe in RL Load (R = 5 Ohm, L = 16 mH).
I should be getting a sinusoidal current waveform but it is giving my arbitrary result. what might be the problem ?
I have followed this article for PWM generation using Atmega16.
Switching Frequency 16 Khz.
Fundamental Frequency 50 Hz. http://tahmidmc.blogspot.com/2013/02...mode_2525.html
An external crystal is being used for 16 Mhz clock frequency.
here is the configuration i have done . [img]http://i.imgur.com/JjK5UYJ.png[/img]
Here is the PWM waveform [img]http://i.imgur.com/jPlB2it.png[/img]
[img]http://i.imgur.com/cXcdX7y.png[/img]
Instead of IR2110 i have used IR2112, as IR2110 is not available in Proteus. MOSFET Driver circuit is working fine, i have checked the voltage at gate and it is turning it ON/OFF.
MOSFETS are working good.
If i directly filter the PWM signal using RC filter i am getting a sinusoidal voltage waveform.
What might be the problem that i am not getting sinusoidal current waveform ????
If someone interested in debugging my circuit or just wants to run it in their Proteus please tell i will attach the design file.
Here is what i am getting when simulate the circuit
Current waveform [img]http://i.imgur.com/XbKkVQz.png[/img]
Voltage Waveform [img]http://i.imgur.com/rp0XPZp.png[/img]
Any help will be appreciated
I wish tahmid is here to help me out, he is the best guy when it comes to share knowledge and helping out.[img][/img][/quote]
I have experimented (in simulations) with different smoothing (filtering, snubber) networks. I have found it requires adding a capacitor. To be effective, two LC networks may be necessary.
I used a slow frequency (1.5kHz), to make the waveforms obvious. The capacitors are a larger value and they must carry heavy current pulses (in theory).
Your configuration is at a faster frequency, and it will use different values, and it may put less stress on the filter network.
Recommended Tutorial: [url=http://www.theengineeringprojects.com/2015/07/pure-sine-wave-inverter-simulation-proteus.html]Pure Sine Wave Inverter Simulation in Proteus[/url]
Reply
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[url=https://inverterreview.com/]check this[img]I used a slow frequency (1.5kHz), to make the waveforms obvious. The capacitors are a larger value and they must carry heavy current pulses (in theory).
Your configuration is at a faster frequency, and it will use different values, and it may put less stress on the filter network.
Recommended Tutorial:
[url=http://www.theengineeringprojects.com/2015/07/pure-sine-wave-inverter-simulation-proteus.html]Pure Sine Wave Inverter Simulation in Proteus