4000W Switch Mode Power Supply, Pictures, Videos, Test Results
Here I show my 4000W Switch mode power supply test results.
This covers the major tests were done, however I don’t have a PFC so all tests you see without PFC installed.
Some voltage drop occur at full power, which I cannot prevent, because my mains drops also, *PFC* is needed.
This SMPS uses EE65 with 4KV primary to secondary isolation, running at 120KHz, Qaisi Resonant SMPS. Using 4 very fast IGBTs for switching.
My main PWM chip is SG3525, With Opto Couplers to drive IGBTs + SMD Transistors.
Every thing gets hot, very hot after running this SMPS at full power, as this is a 4000W SMPS.
In audio amplifiers usage this SMPS won’t run at full power because its music signal, not constant signal.
Multiple output voltages are possible with this design, as i can change it easily.
** Upgrades is to build all circuits, Driver, Protection, Under Over Voltage Protection, Protect Alert. On very small PCBs SMD. *see below*
Comments are more than welcome.
this is the first video, I am uploading the other ones. so please follow up
[video=youtube;bqIBrlUY0c8]http://www.youtube.com/watch?v=bqIBrlUY0c8[/video]