Difference between revisions of "Switching Contacts"
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===<!--6.4.4-->Switching Contacts=== | ===<!--6.4.4-->Switching Contacts=== | ||
<ul> | <ul> | ||
| − | '''Effects during switching operations''' | + | <li>'''Effects during switching operations'''</li> |
<div class="multiple-images"> | <div class="multiple-images"> | ||
| Line 10: | Line 10: | ||
<div class="clear"></div> | <div class="clear"></div> | ||
| − | '''Influence of out-gasing from plastics''' | + | <li>'''Influence of out-gasing from plastics'''</li> |
<div class="multiple-images"> | <div class="multiple-images"> | ||
| Line 24: | Line 24: | ||
| − | '''Influence of corrosive gases on the contact resistance''' | + | <li>'''Influence of corrosive gases on the contact resistance'''</li> |
| Line 32: | Line 32: | ||
contact: Gold rivet</caption>]] | contact: Gold rivet</caption>]] | ||
</figure> | </figure> | ||
| − | + | [[File:Influences on contact areas in relays.jpg|right|thumb|Influences on contact areas in relays]] | |
| − | [[File:Influences on contact areas in relays.jpg|right|thumb| | ||
| − | |||
</div> | </div> | ||
<div class="clear"></div> | <div class="clear"></div> | ||
| − | '''Contact Phenomena under the influence of arcing Matertia''' | + | <li>'''Contact Phenomena under the influence of arcing Matertia'''</li> |
<ul> | <ul> | ||
| − | '''Material transfer''' | + | <li>'''Material transfer'''</li> |
<div class="multiple-images"><figure id="fig:Material transfer under DC load">[[File:Material transfer under DC load.jpg|left|thumb|<caption>Material transfer under DC load a) Cathode; b) Anode. <br /> Material: AgNi0.15; Switching parameters: 12V<sub>DC</sub>, 3 A, 2x10<sup>6</sup> perations</caption>]]</figure></div> | <div class="multiple-images"><figure id="fig:Material transfer under DC load">[[File:Material transfer under DC load.jpg|left|thumb|<caption>Material transfer under DC load a) Cathode; b) Anode. <br /> Material: AgNi0.15; Switching parameters: 12V<sub>DC</sub>, 3 A, 2x10<sup>6</sup> perations</caption>]]</figure></div> | ||
<div class="clear"></div> | <div class="clear"></div> | ||
| − | '''Arc erosion''' | + | <li>'''Arc erosion'''</li> |
<div class="multiple-images"><figure id="fig:Arc erosion of a AgSnO2 contact pair after extreme arcing conditions">[[File:Arc erosion of a AgSnO2 contact pair after extreme arcing conditions.jpg|left|thumb|<caption>Arc erosion of a Ag/SnO<sub>2</sub> contact pair after extreme arcing conditions a) Overall view; b) Partial detail view</caption>]]</figure></div> | <div class="multiple-images"><figure id="fig:Arc erosion of a AgSnO2 contact pair after extreme arcing conditions">[[File:Arc erosion of a AgSnO2 contact pair after extreme arcing conditions.jpg|left|thumb|<caption>Arc erosion of a Ag/SnO<sub>2</sub> contact pair after extreme arcing conditions a) Overall view; b) Partial detail view</caption>]]</figure></div> | ||
<div class="clear"></div> | <div class="clear"></div> | ||
| − | '''Contact welding''' | + | <li>'''Contact welding'''</li> |
<div class="multiple-images"> | <div class="multiple-images"> | ||
Revision as of 14:39, 2 December 2022
Switching Contacts
- Effects during switching operations
- Influence of out-gasing from plastics
- Influence of corrosive gases on the contact resistance
- Contact Phenomena under the influence of arcing Matertia
- Material transfer
- Arc erosion
- Contact welding
Figure 4: Distribution of cumulative frequency H of the contact resistance for solid contact rivets after 10 days exposure in a three-component test environment with 400 ppb each of H2S, SO2 and NO2 at 25°C, 75% RH; Contact force 10cN; Measuring parameters: ≤ 40 mVDC,10 mA; Probing contact: Gold rivet
