Questions tagged [corona]

The tag has no usage guidance.

Filter by
Sorted by
Tagged with
2
votes
3answers
74 views

Corona discharge insulation

If a wire is insulated from arcing up to 10 kilovolts, is it insulated up to twice that much from corona discharge? Because I’m imaging that for corona discharge to occur, the electricity has to flow ...
0
votes
1answer
47 views

Question about a high voltage setup/scenario

I was wondering what would occur in the following setup. Say you have an circuit basically like this: V1 is a source of high voltage (high enough for corona discharge to occur), and no current can ...
5
votes
1answer
180 views

Home made High voltage Capacitors

I'm building my own high voltage capacitors, for science, and I'm running into an issue. I'm 90% sure what I'm looking at is coronal discharge but I wanted to be certain. The caps are two aluminum ...
3
votes
1answer
94 views

Protecting digital electronics from nearby high voltage sparks

I am controlling a high voltage power supply to generate corona discharge. To switch it on and off I am using an AC relay controlled by a microcontroller as shown in the figure. The controller ...
2
votes
2answers
80 views

How can I tell if a cable is rated for use as motor leads with a variable frequency drive?

I understand that the switching edges generated by a VFD can cause corona breakdown of the insulation on the motor leads. Due to this, it is recommended that some cables be used for VFD motor leads, ...
1
vote
2answers
362 views

Electric field in ionization area of a corona discharge?

I have a coaxial cylinder with a cooper wire inside which is corona discharge happening. Corona discharge is happening after ionization in this coaxial cylinder. My question is about calculating E (...
1
vote
2answers
429 views

Corona Discharge Current, Atmospheric pressure discharge!

There is an atmospheric pressure load (coaxial cylinder and copper wire as main electrode) which high voltage pulses by a Linear transformer driver (LTD) has been released to it. I think a kind of ...
2
votes
2answers
317 views

Filter design for high power voltages Partial discharge detector

Hell all, I have a signal imposed on a 60Hz 800V AC voltage that I need to retrieve via MCU. The signal is in the range of 10KHz to 50KHz with peak to peak voltage ranging from 5 to 50 volts . The ...
-2
votes
3answers
268 views

Are corona discharges any different from normal electricity?

As per Wikipedia corona discharge is a electrical discharge brought on by ionization of fluid surrounding conductor. So can corona discharge be used as normal electricity like travel through wires and ...
2
votes
2answers
468 views

A question about the sound of corona discharge

In my collage, We were doing an experiment of the air's Breakdown voltage . At the end of the experiment we were listening to the sound of corona (electric partial discharge). The power supply has the ...