Calculate the gap distance between two electrodes

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Discussion Overview

The discussion centers on calculating the minimum gap distance between two electrodes, specifically in the context of a power relay application. Participants explore factors influencing this distance, such as material properties and electrode shape.

Discussion Character

  • Technical explanation, Conceptual clarification, Debate/contested

Main Points Raised

  • One participant suggests that the minimum gap size could be zero, but emphasizes the need for more information regarding the specific application and conditions to avoid sparking.
  • Another participant confirms the importance of determining the smallest gap that prevents sparking, noting that it depends on the materials involved (copper and silver rivets) and the potential difference between the electrodes.
  • Concerns are raised about the shape of the electrodes, with one participant mentioning that one rivet has a flat surface while the other is slightly curved, which may affect the gap distance.
  • A suggestion to look up "Paschen Curves" is made, indicating a potential resource for understanding the relationship between gap distance and breakdown voltage.

Areas of Agreement / Disagreement

Participants express varying views on the minimum gap distance, with some suggesting it could be zero under certain conditions, while others emphasize the need for a safe distance to prevent sparking. The discussion remains unresolved regarding the exact calculations and considerations necessary for the specific application.

Contextual Notes

The discussion lacks specific numerical values and detailed conditions that could influence the calculations, such as the exact potential difference and environmental factors affecting the electrodes.

bhavu21fri
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Hello Friends

How to calculate the minimum GAP distance between two electrodes?
 
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Easy, the minimum gap size between electrodes, from the information supplied, is zero.
If that is not what you want, you will have to provide more information - but usually you want the smallest gap without getting a spark ... which depends on the material separating, and the potential difference between, them.
iirc The shape of the electrodes can matter too.
 
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Thanks

you are right sir the smallest gap without getting a spark. the material is copper & Silver Rivet but the material is same for both side.

I am working on Power Relay.. in that NO & NC Both Connection. when NO Is open that time NC is close but i have to make safe distance for NC for sparking...problem

I am not getting the meaning of iirc The shape. but in my rivet one with flat surface and another has a little curve.
 
bhavu21fri said:
Hello Friends

How to calculate the minimum GAP distance between two electrodes?

bhavu21fri said:
Thanks

you are right sir the smallest gap without getting a spark. the material is copper & Silver Rivet but the material is same for both side.

I am working on Power Relay.. in that NO & NC Both Connection. when NO Is open that time NC is close but i have to make safe distance for NC for sparking...problem

I am not getting the meaning of iirc The shape. but in my rivet one with flat surface and another has a little curve.

Look up "Paschen Curves"
 
What he said... and Merry Xmas.
 

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