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IEVref:417-03-06ID:
Language:enStatus: Standard
Term: equivalent diameter
Synonym1:
Synonym2:
Synonym3:
Symbol: DE
Definition: diameter of a circle with area equal to the device projected capture area

Note 1 to entry: The equivalent diameter is generally calculated as: D e = 4A π D E = 4A π MathType@MTEF@5@5@+= feaagKart1ev2aqatCvAUfeBSjuyZL2yd9gzLbvyNv2CaerbuLwBLn hiov2DGi1BTfMBaeXatLxBI9gBaerbd9wDYLwzYbItLDharqqtubsr 4rNCHbGeaGqipu0Je9sqqrpepC0xbbL8F4rqqrFfpeea0xe9Lq=Jc9 vqaqpepm0xbba9pwe9Q8fs0=yqaqpepae9pg0FirpepeKkFr0xfr=x fr=xb9adbaqaaeGacaGaaiaabeqaamaabaabaaGcbaGaamiramaaBa aaleaacaWGLbaabeaakiabg2da9maakaaabaWaaSaaaeaacaaI0aGa amyqaaqaaiabec8aWbaaaSqabaGccaWGebWaaSbaaSqaaiaadweaae qaaOGaeyypa0ZaaOaaaeaadaWcaaqaaiaaisdacaWGbbaabaGaeqiW dahaaaWcbeaaaaa@4275@ , where A is the projected capture area as illustrated in Figure 3.

Key

A

projected capture area

h

height

w

width

DE

equivalent diameter

R

radius

 

 

Figure 3 – Equivalent diameter calculations for various projected capture areas


Publication date:2022-02
Source:IEC TS 62600-1:2020, 3.14
Replaces:
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VT remarks:
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