File:Power supplies for decorative plasma displays.webm
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Size of this JPG preview of this WEBM file: 800 × 450 pixels. Other resolutions: 320 × 180 pixels | 640 × 360 pixels | 1,280 × 720 pixels.
Original file (WebM audio/video file, VP8/Vorbis, length 11 min 20 s, 1,280 × 720 pixels, 2.4 Mbps overall, file size: 194.89 MB)
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English: This video suggests one easy and economical approach to a power supply for large electrodeless plasma tubes. Such devices operate from high-frequency, high-voltage electricity that must be obtained from a suitable circuit containing a switchmode inverter and a high-turns-ratio step-up transformer. (Alternatively, CW Tesla coils are very effective). The supplies in small commercial plasma globes cannot drive many of the larger custom and artistic displays, necessitating a DIY approach to the power supply...or spending a lot of money. I describe the use of a small encapsulated commercially-available transformer (the HVT-01 from Images Scientific, http://www.imagesco.com/high-voltage/transformers.html), being driven by a DC-powered inverter, the PVM-12 sold by Information Unlimited (www.amazing1.com/), to provide about 60W to a variety of plasma loads. The PVM-12's circuit is based on the SG3525A PWM chip switching a couple mosfets in push-pull mode, and the schematic may be found here: http://www.capturedlightning.org/hot-streamer/temp/Old2002Files/2002-02/PMPglobe.pdf |
| Date | |
| Source | YouTube: Power supplies for decorative plasma displays – View/save archived versions on archive.org and archive.today |
| Author | Carl Willis |
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This video, screenshot or audio excerpt was originally uploaded on YouTube under a CC license.
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Attribution: Carl Willis
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 09:45, 11 July 2018 | 11 min 20 s, 1,280 × 720 (194.89 MB) | Vislupus (talk | contribs) | Imported media from https://www.youtube.com/watch?v=g5RSndK5Fto |
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