Definition of Terms and Symbols - Revision history

Doduco Admin at 08:36, 14 December 2022

2022-12-14T08:36:27Z

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Doduco Admin: /* Definition of Terms and Symbols */

2022-12-13T12:36:00Z

‎Definition of Terms and Symbols

Doduco Admin: /* Definition of Terms and Symbols */

2022-12-13T12:32:13Z

‎Definition of Terms and Symbols

Doduco Admin: /* Definition of Terms and Symbols */

2022-12-13T12:24:04Z

‎Definition of Terms and Symbols

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Teitscheid at 15:03, 21 September 2014

2014-09-21T15:03:54Z

Doduco Redaktion at 13:24, 19 May 2014

2014-05-19T13:24:36Z

Doduco Redaktion: /* 6.4.1 Definition of Terms and Symbols */

2014-05-19T12:00:16Z

‎6.4.1 Definition of Terms and Symbols

Doduco Redaktion: /* 6.4.1 Definition of Terms and Symbols */

2014-05-12T11:38:43Z

‎6.4.1 Definition of Terms and Symbols

Doduco Redaktion: /* 6.4.1 Definition of Terms and Symbols */

2014-04-30T11:53:04Z

‎6.4.1 Definition of Terms and Symbols

Doduco Redaktion: /* 6.4.1 Definition of Terms and Symbols */

2014-04-30T11:52:29Z

‎6.4.1 Definition of Terms and Symbols

@@ Line 53: / Line 53: @@
 |The incremental electrical resistance generated by the constriction of the currents paths in the touching area (a-spot)
 |-
-|Fremdschichtwiderstand
+|Film resistance
 |R<sub>f</sub>
 |[Ω]
-|Wird durch eine Fremdschicht hervorgerufen, die z.B. durch Reaktion der Kontaktoberfläche mit der Umgebungsatmosphäre entsteht. (Fremdschicht ist eine Substanz auf der Kontaktoberfläche, die sich in ihren Eigenschaften von dem für das Kontaktstück gewählten Werkstoff unterscheidet
+|Generated by a foreign matter layer, which for ex. is formed by a reaction of the contact material surface with the surrounding atmosphere (a surface film is a substance on the contact surface with different properties than those of the actual contact material)
 |-
-|Durchgangswiderstand
+|Path resistance
 |R<sub>d</sub>
 |[Ω]
-|Wird bestimmt zwischen Bezugspunkten, vorzugsweise den Anschlussstellen, die frei gewählt werden können, jedoch angegeben werden müssen. Er setzt sich zusammen aus dem Bahnwiderstand R<sub>b</sub> der Kontaktteile und dem Kontaktwiderstand R<sub>k</sub>
+|the total electrical resistance between reference points (usually the device terminals) which can be freely chosen but must be defined. It is the sum of the conductor resistance R<sub>b</sub>
 |-
-|Kontaktkraft
+|Contact Force
 |F<sub>k</sub>
 |[N]
-|Die Kraft, die zwei Kontaktstücke im geschlossenen Zustand aufeinander ausüben
+|The force that is exerted between the two contact parts in the closed position
 |-
 |Contour area

@@ Line 38: / Line 38: @@
 |The part of the apparent contact area which is affected by the contact force. It is the sum of all microscopic actual touching points
 |-
-|Wirksame Kontaktfläche
+|Effective contact area
 |A<sub>w</sub>
 |[m<sup>2</sup>]
-|Der Teil der tragenden Kontaktfläche, in dem die Stromleitung stattfindet und die somit die Summe aller stromführungsfähigen Berührungsflächen darstellt, A<sub>w</sub> < A<sub>t</sub> < A<sub>s</sub>
+|The part of the load bearing contact area through which current is flowing and therefore the sum of all current carrying touching areas (a-spots), Aw < At < As
 |-
-|Kontaktwiderstand
+|Contact resistance
 |R<sub>k</sub>
 |[Ω]
-|Setzt sich aus Engewiderstand und Fremdschichtwiderstand zusammen
+|Composed of the constriction resistance and the film resistance
 |-
-|Engewiderstand
+|Constriction resistance
 |R<sub>e</sub>
 |[Ω]
-|Der zusätzliche Widerstand, der sich aufgrund der Einengung der Stromfäden an der Berührungsstelle ergibt
+|The incremental electrical resistance generated by the constriction of the currents paths in the touching area (a-spot)
 |-
 |Fremdschichtwiderstand
@@ Line 68: / Line 68: @@
 |Die Kraft, die zwei Kontaktstücke im geschlossenen Zustand aufeinander ausüben
 |-
-|Konturfläche
+|Contour area
 |A<sub>n</sub>
 |[m<sup>2</sup>]
+|The contiguous area which includes all effective a-spots, Aw < An < As ; An ≠ At
 |-
 |Radius

← Older revision		Revision as of 15:03, 21 September 2014
Line 52:		Line 52:
	==References==		==References==
	[[Application Tables and Guideline Data for Use of Electrical Contact Design#References\|References]]		[[Application Tables and Guideline Data for Use of Electrical Contact Design#References\|References]]
		+
		+	[[de:Begriffe]]

@@ Line 46: / Line 46: @@
 *'''Symbole used'''
+<xr id="fig:Symbole used"/>
 [[File:Symbole used.jpg|right|thumb|Symbole used]]
+</figure>
 ==References==
 [[Application Tables and Guideline Data for Use of Electrical Contact Design#References|References]]

← Older revision		Revision as of 12:00, 19 May 2014
Line 1:		Line 1:
−	===6.4.1 Definition of Terms and Symbols===	+	===<!--6.4.1-->Definition of Terms and Symbols===

	Note: The symbols for electrical contact specific terms i.e. contact area, contact resistance, etc. have been retained from the german version of the Data Book. In related English literature some of them may vary using subscript symbols related to the language used – for example “contact resistance”: as used here from german R<sub>k</sub>, in english mostly R<sub>c</sub>.		Note: The symbols for electrical contact specific terms i.e. contact area, contact resistance, etc. have been retained from the german version of the Data Book. In related English literature some of them may vary using subscript symbols related to the language used – for example “contact resistance”: as used here from german R<sub>k</sub>, in english mostly R<sub>c</sub>.

@@ Line 1: / Line 1: @@
 ===6.4.1 Definition of Terms and Symbols===
-Note: The symbols for electrical contact specific terms (i.e. contact area, contact resistance, etc. have been retained from the german version of the Data Book. In related English literature some of them may vary using subscript symbols related to the language used – for example “contact resistance”: as used here from german R<sub>k</sub>, in english mostly R<sub>c</sub>.
+Note: The symbols for electrical contact specific terms i.e. contact area, contact resistance, etc. have been retained from the german version of the Data Book. In related English literature some of them may vary using subscript symbols related to the language used – for example “contact resistance”: as used here from german R<sub>k</sub>, in english mostly R<sub>c</sub>.
 *'''Electrical contact''' <br />is a property which is generated through the touching of two electrically conducting surfaces.

@@ Line 15: / Line 15: @@
 *'''Effective contact area A<sub>w</sub>''' <br />is the part of the load bearing contact area through which current is flowing and therefore the sum of all current carrying touching areas (a-spots), A<sub>w</sub> < A<sub>t</sub> < A<sub>s</sub>.
-*'''Contour area A<sub>n</sub>''' <br />is the contiguous area which includes all effective a-spots, A<sub>w</sub> < A<sub>n</sub> < A<sub>s</sub>; A<sub>n</sub> ≠ A<sub>t</sub>.
+*'''Contour area A<sub>n</sub>''' <br />is the contiguous area which includes all effective a-spots, A<sub>w</sub> < A<sub>n</sub> < A<sub>s</sub> ; A<sub>n</sub> ≠ A<sub>t</sub>.
 *'''Contact resistance R<sub>k</sub>''' <br />is composed of the constriction resistance and the film resistance.

@@ Line 13: / Line 13: @@
 *'''Load bearing contact area A<sub>t</sub>''' <br />is the part of the apparent contact area which is affected by the contact force. It is the sum of all microscopic actual touching points.
-*'''Effective contact area A<sub>w</sub>''' <br />is the part of the load bearing contact area through which current is flowing and therefore the sum of all current carrying touching areas (a-spots), A<sub>w</sub>< A<sub>t</sub>< A<sub>s</sub>.
+*'''Effective contact area A<sub>w</sub>''' <br />is the part of the load bearing contact area through which current is flowing and therefore the sum of all current carrying touching areas (a-spots), A<sub>w</sub> < A<sub>t</sub> < A<sub>s</sub>.
-*'''Contour area A<sub>n</sub>''' <br />is the contiguous area which includes all effective a-spots, A<sub>w</sub>< A<sub>n</sub>< A<sub>s</sub>; A<sub>n</sub>≠ A<sub>t</sub>.
+*'''Contour area A<sub>n</sub>''' <br />is the contiguous area which includes all effective a-spots, A<sub>w</sub> < A<sub>n</sub> < A<sub>s</sub>; A<sub>n</sub> ≠ A<sub>t</sub>.
 *'''Contact resistance R<sub>k</sub>''' <br />is composed of the constriction resistance and the film resistance.