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build an electronic driver

Dear, FreeLancer.

My name is Romani S., messaging you from Egypt.

Me and my friends are looking to build an Electric motorcycle which is powered by a 7.5 KW three phase AC motor.

The power source that we do have is 3.7 V(DC) lithium batteries.

We do wonder if you can help us with a driver that we can use to convert the the DC source to a 3 phase AC source with the tool to change to motor speed.

Thanks in advanced

Romani S. Elkommos

Kĩ năng: Kĩ thuật điện, Điện tử, Kĩ thuật, Vi điều khiển, PCB Layout

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Về Bên Thuê:
( 0 nhận xét ) Los angeles, United States

ID dự án: #16339143

Được trao cho:


Hi romani Im from egypt also, and can design that circuit, please tell what the value of dc voltage and ampere. Looking forward to do work with you, i can prototype also Hope to hear from you Relevant Skills and Expe Thêm

$200 USD trong 20 ngày
(0 Đánh Giá)

12 freelancer đang chào giá trung bình $467 cho công việc này


Hi, I am a post graduate power electronics engineer and having very good industrial experience of 8+ years in R&D and project development. I am excellent welding power supplies design, high frequency transformers desi Thêm

$2777 USD trong 40 ngày
(59 Nhận xét)

Hi sir, We have designed battery management systems for hybrid vehicles, it is not just a dc to ac conversion project. It is to to make complete dc and then ac conversion project with autonomous hybrid vehicle Thêm

$1000 USD trong 3 ngày
(36 Nhận xét)

Hi Romani, Hope you are doing well. I am glad you are working on an interesting project and i would love to help you in designing motor drive for your project. Motor drive will have soft start and highly efficien Thêm

$250 USD trong 10 ngày
(25 Nhận xét)

I am electrical engineer .I have lot of experience working with various employers globally. Can I do Circuit Analysis and design, Power System Analysis,DC/AC machines Electrical Distribution , translation and techn Thêm

$100 USD trong 7 ngày
(17 Nhận xét)

Hi Romani S. I can help to choose something from ready made drivers, looks to me like there is no sense to built it from scratch, plenty of such things are produced. May be some little additions will be needed, like c Thêm

$111 USD trong 4 ngày
(3 Nhận xét)

I already read the description. Your idea is feasible. But not optimized. I think a better way is use a DC motor and used battery direct power it.

$250 USD trong 10 ngày
(8 Nhận xét)

Hello, I want to apply for your project. I have BS in Electronic engineering. I use Altium Designer 17. Please check my portfolio with some of my latest projects. Looking forward for your answer.

$166 USD trong 7 ngày
(2 Nhận xét)

plc and arduino programmer and prototyping i have my father company in our region .....New Lancer we able to do hardware and software

$222 USD trong 3 ngày
(0 Nhận xét)

A proposal has not yet been provided

$111 USD trong 5 ngày
(0 Nhận xét)

A proposal has not yet been provided

$166 USD trong 7 ngày
(0 Nhận xét)

A proposal has not yet been provided

$250 USD trong 21 ngày
(0 Nhận xét)