Dimensionering

Anvendelse af DS/EN 60204-1

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A
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V
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kW
:
A
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A
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%
:
P × 1000 × Un × Cos φ = 15.8 × 1000 1.7321 × 400 × 0.80
=
A
:
× IB = 6 × 28.5059
=
A
:
Ist = 171.0354 4
=
A
:
Rlkabel × Kabel Længde 1000 = 1.83 × 15 1000
=
:
IB × Rl × × Cos φ = 28.5059 × 0.0275 × 1.7321 × 0.80
=
V
:
ΔUmaskine × 100 Un = 1.067 × 100 400
=
%
:
Un × IKmin = ×
=
:
Rlnet + ( Rlkabel × Ledere × Sikkerhedsfaktor ) = + ( 0.0275 × 2 × 1.5 )
=
:
Un × ΣRlmotor = ×
=
A
:
ΔUmaskine% Max Spændingsfald = 0.267% 5.00%
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:
IB INOB IZ =
=
Iz = IB Kt × Ks
Anbefalet Tværsnit: 10 mm2
Iz : A

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M


Automatsikring

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Ln × = × =
=
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Ln × = × =
=
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IKmotor Lnmax =
=

Smeltesikring

: 115
: Log10(t) = -2.21 × ( Ikmotor Ln ) + 1.71 = -2.21 × ( ) + 1.71 = | t = 10 = Sekunder
: ( K-faktor × Tværsnit IKmotor ) 2 = ( × ) 2 = Sekunder
: Ts Tk = 0.6000 =