Power Supplies Discussion Threads

Any scope for a Power Supply Engineer as Consultant

News@GoToPwer.net (Power Guy 456) — Fri, 16 Feb 2007 13:41:08 -0500

HI, I just came across this site. Not sure if anybody can give me their personal opinion. Presently I am employed, I have 18+ years of power supply design experience. Commercial AC-DC and DC-DC. upto 3kW. Both conventional and resonant. At my homde I have an well equipped power electronics lab, starting from an AC Source, everthing except a spectrum analazer. Can add tha

5KW or 10KW DC/DC Converter

News@GoToPwer.net (EB) — Fri, 16 Feb 2007 12:26:39 -0500

HI

I am interested in an isolated DC/DC converter with the following specification .

Input Voltage 24-60V
Output Voltage : 400V
Power 5KW or 10 KW (to be decided )
Topology : Full Bridge input stage ,step up transformer, recfifier , output filter and PWM control
Isolation : Transformer isolation

480 V ac 3-phase to 24 Vdc 4 amp output

News@GoToPwer.net (Leland) — Thu, 15 Feb 2007 22:44:17 -0500

Hello I have been tasked to design a power supply with a variable output of 22 to 28 Volts dc and a max current of 4 amps. Basically a 100 watt power supply. Oh, the kicker is I have to derive this from a 480Vac 3 phase Industrial power source (factory). I have contacted several of the big name vendors of chips and modules and basically got laughed at. I have done

MOSFET GATE DRIVE

News@GoToPwer.net (Abbas) — Tue, 13 Feb 2007 23:12:37 -0500

Hi every body;
Does anyone know how can i drive a mosfet with 50nf input capacitance in the half bridge topology?
I prefer with the discreet components and isolation of secondary and primary of diver transformer and active components on the secondary side.please mail drawing to this mail ajebraeily@yahoo.com

IE displays unnecessary horizontal scroll bar in frameset

News@GoToPwer.net (Darius Livescu) — Tue, 13 Feb 2007 14:51:12 -0500

IE frame horizontal scroller. There are many articles on the Internet reporting, and providing work around solutions for an Internet Explorer "bug” described as "IE displays unnecessary horizontal scroll bar in frameset". It looks that the "bug" appears only when a HTML file contains the DOCTYPE declaration for XHTML 1.0. So you either need to remove the DOCTYPE decl

AC/DC Power Supply Design Engineer

News@GoToPwer.net (PSBCL) — Tue, 13 Feb 2007 06:32:43 -0500

I am a power supply design engineer with 20 years of experience in AC/DC offline power supply / battery charger / adapters /etc. I have a lab in my basement and have done several consulting contract jobs in the past. I want to expand my business but I am not sure how to find customers or market my services. Does anyone know of a website that people exchange information ab

Hid ballast design for automotive application

News@GoToPwer.net (Vikas Markanday) — Tue, 13 Feb 2007 00:20:05 -0500

Hi All
I am new to power electronics. Can any body help me in designing HID ballast for automotive application.