I like your style, I have been trying to get egs002 board, first board dead got refund, second one no display no output on the 4 gate drivers, switch hi to low got smoke hay at least I got it to do something. Wait on my third board. They say three times the charm. Your videos give me hope.
Hi Arthur! I hope you find success. Yikes! That sounds like no fun at all. I'm not sure what voltage you're running at, but lower voltage should equal less destruction. :) I tried to find the part number, but failed.. there is a new inverter module from these guys. I've heard it's better in many ways. It might be in another comment on this video! YT is weird... It's harder than it should be for me to find older comments. Either way, I hope the third time is indeed the charm for you.
Hey...I'm new to your channel. Have you considered upping the wattage of your inverter say to 3- 5 KW and loading it with an A/C unit....something in the 2-3 ton range, and checking the waveform output? That I'd love to see and how it performs. More specifically...a 1- 2 ton Mini-split system that have become very popular of late. Thanks and enjoyed your video.
Hello My RUclips! I came to a pretty lame conclusion w.r.t the inverter/ups project, that basically came down to - it would be way cheaper, easier, and faster to either buy an inverter module or a finished UPS. I was hoping to find that I could do it cheaper, better, but as usual, the economy of scale led me to believe there were other projects where I could have a bigger impact than.. making a slightly different but quite similar design to what's commercially available. :) To answer more directly- I did a longer winded ups project (see playlists) where I tried to make an inverter in the 1kW range and I learned a lot about gate drive. High power design involves a lot of compromise and parasitic effects can become dominant! If you try to dig into the design, tread with caution, there are many hazards, and definitely post some pictures on the Discord!! Best of luck, and thank you for watching!
Hi sdm! Depending on which video, I've used ots and custom inductors. If this one was custom, I use E cores (and/or gapped e cores) a lot! Each vendor has a calculator tool a lot like this! www.tdk-electronics.tdk.com/en/180490/design-support/design-tools/ferrite-magnetic-design-tool
Hello, very informative video. I build an inverter circuit based on this EGS002, with output voltage below 190VAC all is good, but when setting the output voltage to 220VAC, under load it drops to 200VAC, any idea why ? thanks.
is cause you apply a load to the inverter while firstly was doing nothing. the problem can be the batteries that don't dump too much power... try connecting a little resistor as a permanent load so the circuit is prepared when a load is applyed
@@computerkiller1494 Thank you for the answer. The problem is that below 200Vac it regulates very nicely, but above, the voltage drop is very high. The Batteries are strong 180Ah. Any idea where to look at ?
@@hichamtassi1753 i don't really know... the batteries can dump enough power? like lipo dump really a lot, acid batteries dump lower power. maybe that's the problem. try with lighter loads and see if the voltage drop is the same. if is more little use some batteires that can dump the power needed (example: if a battery can dump 300w and you attach a 350w load there will be a voltage drop cause of the missing current)
Thanks for getting back to me. Well got another egs002 and works. Put my scope on it and get the waveforms all is perfect, now I keep blowing MOSFETs. All I have right now are irf540, the schematic call for irf840. What I am trying to do is no transformer running 170 dc to get 115 volts ac. Right now to test I am supplying 48 volts. I have a whole pile of mosfets that are shorted gate shorted to source and drain. What do you suggest ?
IRF540 is rated 55v....Since you're supplying 48v, use a mosfet whose Vds is not below 80 or 100V for the DC-DC boosting to 170vdc. Using 55v mosfets for 48v system is very bad. The voltage spikes will rise upto 60v or more so it will kill the mosfets because the VDS will easily be exceeded. More so, a 48v battery bank can reach 60v when charging. For the Output that is 170DC to 115v AC, use mosfets that can withstand 200v or more such as IRFP250N or use IRF740, IRF840, etc
I have built an inverter using ckt diagram given in EGS002 module data sheet but when ever i give supply to my inverter the egs002 always blink light for 4 or 3 time which show either under or higher voltage and as a result i don't get AC at output i have worked a lot on it but again and again same problem is coming i will be thankful if you can guide me
Год назад
Just make sure the feedbacks are reaching the asic within the specs in the datasheet. Especially the voltage feedback from the tiny transformer. Make sure the transformer is good then use the trimmers for adjusting the ovp/uvp and ovc.
@@EEforEveryone From Iran, Yesterday I was thinking about EGS002 module,Today your new video pop-up in my phone ,As you told there is a longtime ago that you were trying to make pure sinusoidal wave invertor. Hope you doing well.
That's awesome! I hope you are doing well too. Life is pretty good here, there is a lot happening, but it's all good things! I have a couple more projects to finish up before we can dig back into the inverter, but we'll get there soon enough! I can't wait! Spoiler alert, but I'm hoping we'll build a replacement inverter control module (that fixes some of the common complaints with the EGS002)!
@@EEforEveryone i have been using a home built egs002 inverter for many years now i beat them to death i have not had any prb at all none i built a few for friends also no blow ups they work great i am just a dummy no just a jack leg i got help on the first one from thebackshedcom i think totem pole driving mosfets on any thing over 2k a good choke not iron core and winding the tranny at 1 tesla is the keys to having a great inverter using the egs002 maybe also using a tiny step down tranny on the voltage feed back that steps it down to around 12 volts then into res dividers diodes i set that from wall outlet to 3 volts so its very close when first starting the inverter there is a eazy way to have the best pos turns per volt on tranny also wind high side first just one leg of 120 volts for us in usa then plug that winding into 120 volt outlet to see how much the idle is then add 10 more turns and test the idle keep doning this until the extra turns dont lower the idle much this gives you the best your core can be turns per volt this way of getting turns per volt the choke and out put caps is how you make a very good inverter with very low idle loses Works every time after finding the right turns per volt you can plug in one 120 leg of a 10k tranny into a outlet and not flip the breaker when first trying to find turns per volt you can use a old light bulb with a switch across it to keep from fliping breaker switch off plug it in then flip light switch so light bulb is bypassed you can read all about it on back shed com if you dont understand my hillbilly writing lol
![How To Make a Pure Sine Wave Inverter 12V To 220V - 1000W [Full Video] ✓](http://i.ytimg.com/vi/9d4MFQd7ZQg/mqdefault.jpg)
I like your style, I have been trying to get egs002 board, first board dead got refund, second one no display no output on the 4 gate drivers, switch hi to low got smoke hay at least I got it to do something. Wait on my third board. They say three times the charm. Your videos give me hope.
Hi Arthur! I hope you find success. Yikes! That sounds like no fun at all. I'm not sure what voltage you're running at, but lower voltage should equal less destruction. :)
I tried to find the part number, but failed.. there is a new inverter module from these guys. I've heard it's better in many ways. It might be in another comment on this video! YT is weird... It's harder than it should be for me to find older comments.
Either way, I hope the third time is indeed the charm for you.
Hey...I'm new to your channel. Have you considered upping the wattage of your inverter say to 3- 5 KW and loading it with an A/C unit....something in the 2-3 ton range, and checking the waveform output? That I'd love to see and how it performs. More specifically...a 1- 2 ton Mini-split system that have become very popular of late. Thanks and enjoyed your video.
Hello My RUclips! I came to a pretty lame conclusion w.r.t the inverter/ups project, that basically came down to - it would be way cheaper, easier, and faster to either buy an inverter module or a finished UPS.
I was hoping to find that I could do it cheaper, better, but as usual, the economy of scale led me to believe there were other projects where I could have a bigger impact than.. making a slightly different but quite similar design to what's commercially available. :)
To answer more directly- I did a longer winded ups project (see playlists) where I tried to make an inverter in the 1kW range and I learned a lot about gate drive. High power design involves a lot of compromise and parasitic effects can become dominant! If you try to dig into the design, tread with caution, there are many hazards, and definitely post some pictures on the Discord!! Best of luck, and thank you for watching!
How about some ready-made Chinese signwave inverter. A comparison would be cool!
Is that a custom inductor you used for the SPWM output filter? Any details about the core & windings?
Hi sdm! Depending on which video, I've used ots and custom inductors. If this one was custom, I use E cores (and/or gapped e cores) a lot! Each vendor has a calculator tool a lot like this! www.tdk-electronics.tdk.com/en/180490/design-support/design-tools/ferrite-magnetic-design-tool
plug it into a hand held vacuum cleaner. or a fan.
Hello thanks for the video! What is that board model you have the EGS002 plugged into?
Hello, what is the name of your motherboard where you connect egs002 module?
I would also like to get my hands on that DEV KIT board. Where did you source it from?
I don’t see any reviews on the short circuit protection on the driver if it’s just for overloaded or short circuit
Hello, very informative video. I build an inverter circuit based on this EGS002, with output voltage below 190VAC all is good, but when setting the output voltage to 220VAC, under load it drops to 200VAC, any idea why ? thanks.
is cause you apply a load to the inverter while firstly was doing nothing. the problem can be the batteries that don't dump too much power... try connecting a little resistor as a permanent load so the circuit is prepared when a load is applyed
@@computerkiller1494 Thank you for the answer. The problem is that below 200Vac it regulates very nicely, but above, the voltage drop is very high. The Batteries are strong 180Ah. Any idea where to look at ?
@@hichamtassi1753 i don't really know... the batteries can dump enough power? like lipo dump really a lot, acid batteries dump lower power. maybe that's the problem. try with lighter loads and see if the voltage drop is the same. if is more little use some batteires that can dump the power needed (example: if a battery can dump 300w and you attach a 350w load there will be a voltage drop cause of the missing current)
@@computerkiller1494 Very clear, i will try this and let you know. Thanks for your time !
@@hichamtassi1753 :D
Thanks for getting back to me. Well got another egs002 and works. Put my scope on it and get the waveforms all is perfect, now I keep blowing MOSFETs. All I have right now are irf540, the schematic call for irf840. What I am trying to do is no transformer running 170 dc to get 115 volts ac. Right now to test I am supplying 48 volts. I have a whole pile of mosfets that are shorted gate shorted to source and drain. What do you suggest ?
IRF540 is rated 55v....Since you're supplying 48v, use a mosfet whose Vds is not below 80 or 100V for the DC-DC boosting to 170vdc. Using 55v mosfets for 48v system is very bad. The voltage spikes will rise upto 60v or more so it will kill the mosfets because the VDS will easily be exceeded. More so, a 48v battery bank can reach 60v when charging. For the Output that is 170DC to 115v AC, use mosfets that can withstand 200v or more such as IRFP250N or use IRF740, IRF840, etc
I have built an inverter using ckt diagram given in EGS002 module data sheet but when ever i give supply to my inverter the egs002 always blink light for 4 or 3 time which show either under or higher voltage and as a result i don't get AC at output i have worked a lot on it but again and again same problem is coming i will be thankful if you can guide me
Just make sure the feedbacks are reaching the asic within the specs in the datasheet. Especially the voltage feedback from the tiny transformer. Make sure the transformer is good then use the trimmers for adjusting the ovp/uvp and ovc.
Спасибо, интересно
Where are u from?
HI Arvin! I'm from the USA. How about yourself?
@@EEforEveryone From Iran, Yesterday I was thinking about EGS002 module,Today your new video pop-up in my phone ,As you told there is a longtime ago that you were trying to make pure sinusoidal wave invertor. Hope you doing well.
That's awesome! I hope you are doing well too. Life is pretty good here, there is a lot happening, but it's all good things! I have a couple more projects to finish up before we can dig back into the inverter, but we'll get there soon enough! I can't wait!
Spoiler alert, but I'm hoping we'll build a replacement inverter control module (that fixes some of the common complaints with the EGS002)!
@@EEforEveryone then you have my crossed fingers.i had experience on step-up dc-dc converters ,it is the main part of challenge that you will face to.
@@EEforEveryone i have been using a home built egs002 inverter for many years now i beat them to death i have not had any prb at all none i built a few for friends also no blow ups they work great i am just a dummy no just a jack leg i got help on the first one from thebackshedcom i think totem pole driving mosfets on any thing over 2k a good choke not iron core and winding the tranny at 1 tesla is the keys to having a great inverter using the egs002 maybe also using a tiny step down tranny on the voltage feed back that steps it down to around 12 volts then into res dividers diodes i set that from wall outlet to 3 volts so its very close when first starting the inverter there is a eazy way to have the best pos turns per volt on tranny also wind high side first just one leg of 120 volts for us in usa then plug that winding into 120 volt outlet to see how much the idle is then add 10 more turns and test the idle keep doning this until the extra turns dont lower the idle much this gives you the best your core can be turns per volt this way of getting turns per volt the choke and out put caps is how you make a very good inverter with very low idle loses Works every time after finding the right turns per volt you can plug in one 120 leg of a 10k tranny into a outlet and not flip the breaker when first trying to find turns per volt you can use a old light bulb with a switch across it to keep from fliping breaker switch off plug it in then flip light switch so light bulb is bypassed you can read all about it on back shed com if you dont understand my hillbilly writing lol