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Power supply prototype building
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Engineering & Manufacturing > Electrical

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The client has made the following changes to the job.


Job Description

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  • Posted: Fri, May 25, 2012
  • Time Left: Closed
  • Location: Anywhere
  • Client prefers freelancers from:

    You are still able to submit a proposal for this job.

    The client prefers freelancers from
    a different location.

    You're still able to submit a proposal for this job, regardless of your location.
  • Start: Immediately
  • Hourly Rate: More than $50 / hr
  • Hrs/wk: Not Sure | Duration: 3-4 weeks
  • Work View™ Payment Protection
  • U.S. freelancers must have W9
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2000 watt 300KHz AC output, 3 phase input. Starting from my hand drawn schematic, please buy parts and hand build 1st unit. I have the output core. Other magnetics should be available. Design attempts to use digi-key parts primarily.

1st goal is to build this circuit in any reasonable fashion; air cooling fets.

2nd goal is to veryify that this design works. Are you able to test this in your lab? Testing would require 500V to 750V high power source. Load could be light bulb bank. Keeping this hand built high power circuit from burning up would be difficult.

Basic topology is: on/off gate, followed by straight boost (up to 1200 volts) followed by pure bridge driving big toroid core. Issues to evaluate: efficiency, on/off function, gate drive function. Unusual features: small filter caps for low inrush, sine wave gate drive for switcher output, wide range of output load.

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Desired Skills
Electrical Engineering
Job ID: 30790237
Hourly Rate: Avg $ | High $ | Low $ — Show Pricing
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