HVPS_Pg_YPN » Page 1 of 1

Over the years I have built several different type high voltage power supplies; however for this Web page the focus are the ones developed during the past several years starting in the late 1990's.

The photo at the lower left represents the (PDF link)ones developed in the late 1990's for powering my ( movie)early 300KV Marx generators (lower right). It should be classified as a Capacitor Charging Power Supply (CCPS) than just a high voltage power supply because its purpose was to charge the early 300KV Marx generators as rapidly as it could. The later units were designed to charge until the Marx reached self breakdown; turn off for a few milliseconds to allow the discharge to de-ionize. In this way the Marx generators could pulse at the rate of eight pulses per second.

The First 300KV Marx Power Supply (12VDC INPUT)

The First General Purpose Variable HV Power Supply (12VDC INPUT)

The ( PDF link) variable general purpose HVPS developed in 1999 (see photos below) uses components based upon the above previous development. It has been a very handy experimental unit over the years; the lower right photo illustrates it operating the 300KV Marx generator. One of its handy features is 12VDC battery power capability; another is its INHIBIT control.

20KV CCPS Power Supply (12VDC INPUT)

While I was developing improved versions of the 300KV Marx generator a 20 KV CCPS unit was constructed in order to free up the above general purpose variable HVPS ; construction details are given in the PDF link above. As above it features 12VDC battery power INPUT capability and INHIBIT control.

25KV CCPS Power Supply (12VDC INPUT)

The 25KV CCPS power supply was built for powering the 1/2 million volt Marx generator . It is basically the same as the above 20KV unit except for its higher HV capability (PDF construction link).

More to come as this Web is updated

The Second General Purpose 0 - 20KV Variable HV Power Supply (12VDC INPUT)

The variable HV power supply (PDF) shown in the photo at the right has been one of my most handy units that I have built. Lately it has been used for testing out my magnetron pulse modulator circuits. It has a manual HV control and two meter for monitoring tthe HV output voltage and current (ma). Generally when I first power up my magnetrons the voltage is brought up slowly to minimize stress to the magnetron. I plan to construct another close to this design sometime in the near future but using the TL 494 controller instead of a NE 555 gate griver.