Schneider Altivar 71 VW3A7201 handleiding
Handleiding
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16 1757361 06/2012
Sizing
To calculate the correct value of the power that is generated, the fact that the actual instantaneous power generated depends
on the actual voltage of the line supply at each moment must be taken into account. The following formula is used to calculate
the power generated (during operation as a generator: cosϕ = 1):
The maximum power generated is calculated according to the instantaneous rms voltage of the line supply and according to
the maximum rms current of the device in question.
Example: The VW3 A7 205 has a maximum generated power of 45 KW and a maximum rms current of 65 A (refer to the
technical data). The nominal voltage of the line supply is, for example, 400 V. This gives:
That is, approximately 45.0 kW.
If the instantaneous rms voltage of the line supply is less than 395 V for a moment, then the maximum power generated is also
reduced:
That is, approximately 44.5 kW.
PU
rms
I
rms
3 ϕcos⋅⋅⋅=
P400V65A 3×× 45033W==
P395V65A 3×× 44470W==
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Productinformatie
| Merk | Schneider |
| Model | Altivar 71 VW3A7201 |
| Categorie | Niet gecategoriseerd |
| Taal | Nederlands |
| Grootte | 2581 MB |
