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

pnjbtr · Nov 17, 2011

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ch wazir · Nov 18, 2011

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.

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

MRahman · Jan 1, 2012

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

ch wazir · Jan 2, 2012

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

pnjbtr · Jan 2, 2012

Code:

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:02400E00F63F7B
:00000001FF

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

MRahman · Jan 2, 2012

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.

pnjbtr · Jan 4, 2012

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

pranam77 · Jan 4, 2012

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

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.

@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

sahu · Jan 4, 2012

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

hi MRahman Happy new year 2012
this is working code ?
are u test it ?

MRahman · Jan 4, 2012

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.

MRahman · Jan 4, 2012

The wiring can be similar to this picture

MRahman · Jan 4, 2012

Here, you'll find PROTEUS ISIS and ARES file for pcb.

pnjbtr · Jan 4, 2012

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.

MRahman · Jan 4, 2012

You’re correct… and most welcome.

pnjbtr · Jan 4, 2012

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.

pranam77 · Jan 5, 2012

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

MRahman · Jan 5, 2012

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.

MRahman · Jan 5, 2012

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.

pnjbtr · Jan 5, 2012

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

MRahman · Jan 5, 2012

By all means, Asif.

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

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