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I will need some time to study the Schematic of ur inverter, in the meanwhile what I can suggest is u put some comparator Opamps in the path of Error Amplifier pin of KA3525. I dont know much about 3525, but I have worked with 7500. but in my case, we stop the supply in auxiliary transformer...
U need to put an Opamp (comparator) in the Switching section of Input side, which will go shut down the switching of primary or supply to inverter section and shut down inverter...if u provide me with ur diagram of inverter, i might tell u where to fit the scheme, it will help in overvoltage...
It sems the system involves both charging of batteries through solar panel and then discharging by some application. If the battery bought is new one then it will be fully charged, connect to application and note down the discharge time, also energy. after battery is fully discharged then...
I need to design a very small buck converter that will converter that will convert 24VDC into 5.6VDC, the only thing is size should be as small as possible. also current should not be more than 100mA. this is to charge a 5 volt battery inside the machine i have. can anybody help me out with it ?
Can anybody tell me how I should use TLP621 Opto isolater IC in inverter output path in order to get feedback of output voltage? does anybody have such schematic ?
I use N channel MOSFETs, as pert the rating we select them. as i said earlier, there is no controller and everything is analog based.
100VA inverter will be used most probably for small domestic applications as 300VA one, but its still under test.
I am working in a Power Electronics Company which develop many types of Converters and Inverters. This design of 300VA inverter (we r working on 200VA and 100VA versions also) is designed by reducing and editing some circuits of standard 1KVA inverter we develop. It fits behind the solar panel...
actually buck converter is not used for MPPT, the buck converter itself contains Logic for MPPT. there is boost converter also available with such a logic. Unfortunately I worked only with inverter thus myself know less about those MPPT converters. for grid we have developed special type of UPS...
Orry, but i did not get the part of the integration. it will be kind if u elaborate it. for MPPT it is developed separately. there r MPPT with Boost converters ( i.e. 18-24VDC to 250VDC) and Buck Converters (18 - 24VDC to 13.5VDC). i used buck MPPT as input for inverter. of course due to panel...
I have developed inverters with basically Full Bridge and Push-Pull Topology. In my inverter Transformer is used only to step up the input 12/24Vdc to 380Vdc. this high voltage is then passed through H-Bridge or Full bridge as we call it. at the output i get 230. these are very complicated...
I agree with the point that NiMH batteries are difficult to charge as they differ from standard Lead Acid batteries. I recently used NiMH batteries in one of my project and even I need to design a charger to charge them. there are some useful links where u can find info about it...
Re: Circuit on batteries recharging Battery packs, 2 questio
finally I have created a Solar PV panel tester which is actually nothing but an Electronic CV Load. I put only +5V supply and inverted it thru TPS60400 which at output gives -5V. Now all I need is 4 Batteries of 1.2V. and batteries i...
Re: Recharging Battery packs !!
Thanks for the help, all of u. I will work on those schemes too. by the way, the plan has been changed. now instead of +12V and -5V, I am going to use +5V and -5V. also the battery pack i was using earlier was hopeless as it had lots of Mechanical problems and...
Recharging Battery packs !!
thank U very much for the Scheme u have suggested..it definitely worked. how should i design a DC -DC converter that will work with variable input (18-30VDC) and give 20VDC at the output.? i think i need to apply boost technology here..any suggestions ?
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