In Progress

Solar Inverter Circuit design for manufacture

Design a solar inverter circuit with MPPT.

Unit will be connected inline between wall out and appliance. Mains AC power and output power is 240Vac.

Unit will provide a switch-able uninterruptable power supply between mains power to solar inverter power and reverse.

Once MPPT/inverter senses 500W of available power or more it will then switch over to AC power coming from inverter, once solar power falls below 500w it will then switch back to mains power.

Inverter to use pulse width modulation synced to mains power so that switching is also synchronised.

Solar AC when in use has to be totally isolated from mains power.

Front display LED to show if mains power or solar power in use.

- show daily consumption of appliance from mains power and solar power. resetting daily.

- show total consumption of appliance from mains power and solar power. Reset-able via push button.

Unit will be powered by 4 Suntech STP250S-20 Panels wired in series.

Skills: Electrical Engineering, Electronics, Microcontroller, PCB Layout

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About the Employer:
( 18 reviews ) Miles, Australia

Project ID: #4696919

Awarded to:


Hi sir. I am very much interested in this project. Please see my private message for details.

$1000 AUD in 40 days
(19 Reviews)

10 freelancers are bidding on average $1239 for this job


hi, i am an electrical engineer and an embedded system designer. i have experience with UPS and Solar systems. i have implemented MPPT schemes for the Maximization of the solar power. i can help you with this project. More

$6500 AUD in 75 days
(53 Reviews)

Hi not problem with your design, see portfolio for samples of works.

$526 AUD in 3 days
(24 Reviews)

I can do this.

$750 AUD in 25 days
(22 Reviews)

Dear Sir, I'm 15 year experienced Electronics Engineer whose working area is directly related to your project. I have designed several system which is related to your project. I have high level experience about hard More

$555 AUD in 3 days
(15 Reviews)

Dear sir Please see Pm

$500 AUD in 3 days
(11 Reviews)

Hi I can do it for you.

$555 AUD in 15 days
(9 Reviews)

hi , I have 10 year experience in Project development specially in Power project design & pcb design, I can do this for you.

$555 AUD in 15 days
(1 Review)

I can help you in this project.

$500 AUD in 3 days
(1 Review)

Solar system expert.

$666 AUD in 30 days
(0 Reviews)

This is very much up my street. power systems are what I specialize in the actual inverter is no problem. will need more info, on award.

$500 AUD in 15 days
(0 Reviews)

I have an idea of the similar project (In paper) for one sistem of distribution of AC power in in street lighting, I live in one city of we have 95 % of sunny days of year. But for problems with money (out of budget More

$555 AUD in 3 days
(0 Reviews)

I can do it ..

$833 AUD in 14 days
(0 Reviews)