High Voltage High Current Power Supply


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A while ago I came up with the idea of using a microwave transformer as a high voltage, high current power supply. Even though I had no use for such a supply, I decided to design one anyway. This is a very simple design mainly to show that there are uncommon uses for common parts. Note: I have not built this supply because I have no use for it. Really it is nothing more then a transformer, rectifier and filter. If you build this supply without knowledge in electronics or high voltage, you have basically signed your own death certificate. This supply can be very dangerous if not treated properly. DO NOT BUILD THIS SUPPLY UNLESS YOU KNOW EXACTLY WHAT YOU ARE DOING! I assume no responsibility for any damages or injuries caused by this supply.

Schematic

This is the schematic of the High Voltage High Current Power Supply

Parts

Part
Total Qty.
Description
Substitutions
C110.68uF 2200V Capacitor
T112KV Microwave Transformer
S1110 Amp 120VAC Switch
C412000uf Electrolytic Capacitor
MISC1Wire, Line Cord, Output Terminals

Notes

  1. This circuit is dangerous! Do not build it if you do not have any experience with electronics or high voltage.
  2. The circuit can produce about 250-500mA at 2KV, depending on the transformer.
  3. For C1, you can use the capacitor out of an old microwave.
  4. This circuit is mainly provided as a demonstration of using commonly available parts for something uncommon.

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Comments

Xray Man
High Voltage High Current Power Supply
Friday, May 02, 2008 9:23:12 PM
No, Jimmy... a capacitor from a microwave will not explode if you use it in a DC circuit! Where in the world did you ever get that information from? The only warning that I would give about microwave capacitors is that SOME of them have an internal DIODE manufactured into the same housing as the capacitor. That will usually be shown on the schematic diagram, or noted on the capacitor housing. In that case, you should NOT use that type of capacitor for this circuit.
Moti Mazor
High Voltage Power Supply
Monday, March 10, 2008 4:20:42 AM
Hi I am interesting about HVPS ( 15KV ) for Military aircraft . Please let me know if you are interesting to manufacture this product. Please contact with me Thanks Moti
Jimmy
High Voltage High Current Power Supply
Wednesday, February 27, 2008 12:34:14 PM
CAUTION....CAPS TAKEN FROM A MICROWAVE ARE RATED FOR AC VOLTAGE ONLY...IF YOU INSTALL IT IN A DC CIRCUIT IT WILL EXPLODE..
anonymous A.yusoff
High Voltage High Current Power Supply
Sunday, January 13, 2008 10:02:28 PM
Yes very intresting project. refer to above schematic dig. the input supply 120vac, 15amp. so the output is 2000V, what is putput amp?. I do a small project i.e. follow sch. dig. but the input is 12vac, 6amp i.e it will be the output 200vac, 100amp. look at the ratio is 16.67 times. pls correct me if iam wrong. pls let me know how produce 12vac,6amp out will be 220-240vac,100amp. Tks.
Ted Croft
High Voltage High Current Power Supply
Monday, December 03, 2007 3:02:25 AM
I need a power supply of some sorts to charge a 2000vdc capacitor. Can you help me out?
Jeff Hutchison
High Voltage High Current Power Supply
Saturday, November 17, 2007 5:31:33 PM
Hi i need a power supply that is 120volt ac to 600volt dc hi current is helpful thank you
vijetha
voltage to current converters
Wednesday, November 07, 2007 7:03:53 AM
i want a circuit which can convert -10v to +10v to -100mA to +100ma please mail me the details
M.Thamizh amuthan B.E.,
High Voltage High Current Power Supply
Sunday, November 04, 2007 6:55:58 AM
such a wonderfull,Interesting and usefull website for electrical and electronics engineers.Also this website should give many new information on High voltage and remotecontrol circuits.HATSOFF to this site.
hameet singh and hemant kamur
lun baba da
Monday, October 22, 2007 2:08:53 AM
You will need a fuse at switch 1. Make sure you're bridge rectifier (BR1) is rated double the expected voltage (2000V x 1.4=2800V) 6000V would be a good choice. Circuits such as this are used daily by ham radio operaters.Bridge rectifier would have to withstand 2.8KV (peak reverse voltage)! Not easy to find & expensive ...Where is C4 ? What does it do? As an electronics engineer I must caution everyone,don't play with high voltage until you know how to deal with low voltage & then GRADUALLY ! move up to higher stuff. IT WILL KILL !!! Where do you ned C4? Your design of High Voltage High Current Power Supply is really a solution to todays problems
Miles
High Voltage High Current Power Supply
Thursday, August 09, 2007 1:56:19 AM
You will need a fuse at switch 1. Make sure you're bridge rectifier (BR1) is rated double the expected voltage (2000V x 1.4=2800V) 6000V would be a good choice. Circuits such as this are used daily by ham radio operaters.
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