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Re: electronic transformers
> This failure might be caused by the straight forward design of the driver:
> there is NO feedback from the output to the driver, so nothing regulates the
> power put into the transfo depending on the power consumed by the tube.
This is the most common shortcoming of all electronic transformers on
the market today. While there is a form of feedback in the so-called
'self-regulating' transformers, this is primarily derived from the
break-over voltage. Power monitoring is usually in the form of a
thermal breaker.
> Another case happens at low input voltage: don't try to run the RS12-S at
> voltages lower than 12V. It will start parasitic oscillation causing the
> MOSFET to run hot (swallowing more than 600mA) and immediate burnout.
> The tube gets darker, but the power input goes up at lower voltage put in.
yup
>
> - Just cheap design.
yup
>
> Someone with similar experiences?
>
> Marcus Thielen,
> University of Duisburg, Germany
> Student in the lab for low temperature physics.
> Doing Neon art as pure amateur in my parents garage with all equipment
> homemade.
>
>
>
Kenny
Kenny Greenberg -- Neon - Scenic and Environmental Art
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