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[SOLVED] pic16f72 sinewave inverter with asm codes. not working.

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Tahmid said:
Hi harimelath,
I am interested in knowing the method you used to develop the SPWM and charging circuit using the PIC16F72 and the features, ie battery low-cut at what voltage, overload sensing, battery charging, line voltage sensing (if done), charging current control, etc.
Hope you can share at least this if not the source code. Actually I've developed a quasi-sine inverter with ATMEGA16/32. I want to see how you have implemented a sine wave inverter on the 16F72.
Click to expand...
hello tahmid,I have a scanner which gone faulty and i m going to purchase newone,as i'll get,i'll scan the diagrams u required in pc.It'll take two or three days to send u,plz stay touch bkz i hve lot of diagrams which are tried ones.regards
 

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Dear all readers
On the occasion of new year here is a little gift for all of you, who are interested to build 16F72 based sine wave inverter with built in charger.

Best regards
M Rahman
 

Attachments

  • SINE_POWER_002.PDF
    1.6 MB · Views: 1,803
  • sine_power_002 -top silk screen.pdf
    120.2 KB · Views: 1,246
  • sine_power_002 - bottom copper.pdf
    1.2 MB · Views: 1,731
  • sine_power_002 - cpu.pdf
    127.4 KB · Views: 1,401
  • sine_power_002 - mosbank.pdf
    131.6 KB · Views: 1,323
  • sine_power_002.zip
    3.5 KB · Views: 1,190
Last edited:
Hello Mrahman,
lot of thanks for sending the diagram of 16F72.the zip file you have sent is corrupted. I already have the diagram but no programming.plz send the programming if possible.
Regards
 
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Code: 
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:00000001FF

I exract zip file of hex code.
Its ok.see attached in note pad.
 

Attachments

  • 16F72 hex.txt
    11.3 KB · Views: 711
Last edited by a moderator:
Dear Mr. Wazir the hex file isnot corrupted pls try again, pls do not jump on to it.First make a nice pcb and populate with proper component,main transformer,Ac sense transformer then hex code. Okay thanks.
 

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Hi Mr. Rahman,
I consider pcb layout and diagram.
You did not use connection of RLY1.
Only coil of RLy1 is being use.
Remaining 3 terminals like NO,COM And NC are empty(have no function).
Relay will energized in case of mains failure.
I try this hex file in PROTEUS ISIS in push pull configuration and it working fine.
Asif
 

Attachments

  • SINE 16F72.rar
    31.7 KB · Views: 1,134
Last edited:
ch wazir said:
Hello Mrahman, lot of thanks for sending the diagram of 16F72.the zip file you have sent is corrupted. I already have the diagram but no programming.plz send the programming if possible. Regards
Click to expand...

MRahman said:
Dear Mr. Wazir the hex file isnot corrupted pls try again, pls do not jump on to it.First make a nice pcb and populate with proper component,main transformer,Ac sense transformer then hex code. Okay thanks.
Click to expand...

@MRahman, "ch wazir" had written the zif file is corrupted and not the hex.
@ch wazir, the zif file is fine and opens ok. I found only one hex file inside which is re-posted by "pnjbtr".

@MRahman , Thanks for posting the complete technology of 16F72 based Inverter for the first time ever on EDA board. Looking at the files, I am sure the circuit and codes are commercial, and will work. Thanks a lot. We'll give it a try for sure.
Pran
 

    V

    Points: 2
    Helpful Answer Positive Rating
MRahman said:
Dear all readers
On the occasion of new year here is a little gift for all of you, who are interested to build 16F72 based sine wave inverter with built in charger.

Best regards
M Rahman
Click to expand...
hi MRahman Happy new year 2012
this is working code ?
are u test it ?
 

Dear Mr. Sahu, as Moderator correctly said it was commercial design; it was design for EPS electronics magazine but some how it’s now for everybody’s. It has been tested and fully functioned design for 12v-15v DC. Though I’m not fully satisfied with output noise ratio and some other things because it gonna fail G83 regulation. Also to start with you to know how it works, for instance RB2 which is SW has to fix with momentary push to on switch, you need to press once after all connection been done, if main power AC is less then 170v, the inverter will start, over 170v to 240v it will go charging mode provided battery voltage is less then 13.8v. And output 230v has to be filtered LC network, C must be 2.5uf/400v, L still unknown.

---------- Post added at 21:32 ---------- Previous post was at 21:29 ----------

Dear Asif, you are absolutely correct.
 

Power_002.jpg The wiring can be similar to this picture
 
Here, you'll find PROTEUS ISIS and ARES file for pcb.
 

Attachments

  • sine_power_002_ISIS_ARES.zip
    66.3 KB · Views: 1,173
Term low voltage below 170v,is for "MAINS SURGE SPIKE PROTECTION".
I saw that, this circuit also change mode to inverter in case of high main input voltage.
At AN2(pin 4 of ic) below dc 1.5v it does shift not to main,And above 2.75v dc position is same.
It means working volts for mains mode are 1.5 to 2.75v dc at AN2.
@A RAHMAN thank you for pcb layout file in original format,i hope i can modify in circuit for RLY connection
Asif.
 
Last edited:

As i am new in pcb layout for ARES.
i only have experience in "DIPTRACE PCB SOFTWARE".
But i try to modify relay connection in ARES.
Common terminal of relay connected to phase of mains input.
And NC is connected to output socket along with 270v winding of transformer.
 

Attachments

  • SINE_INV_A RAHMAN.rar
    388.2 KB · Views: 1,431
A hearty thanks to bieng so liberal, and i would call it a real sharing from heart. Thanks a lot for all the previous files and PCB layout original files. I am truly obliged.
Cheers
Pran
 

Dear Pran, thank you so much for your appreciations. I think this is more than enough, rather bit too much. I’ve seen rather more dedication in other forums even in your forum I could mention few names Mr. Tunner one of them.
I’ll feel great if I can help any one not to harm my self, thank you once again,
take care.
 

Dear Asif,

Your relay configuration should be like this, okay? On that pcb a automotive relay has been used, only 12v dc connection has been connected there, other high voltage is isolated.
Cheers
M Rahman.
 

Attachments

  • ac_input_putput.pdf
    17.6 KB · Views: 848
Last edited:

Dear M RAHMAN hi,
Before entering in pcb hardware i think we should simulate whole schematic in proteus isis and test.
 

Attachments

  • sine_isis.rar
    23.6 KB · Views: 936
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