ABB REG316 4 Series Operating Instructions Manual page 283

REG 316*4 1MRB520049-Uen / Rev. F
³
Condition 3: R'
Es
Condition 4: R' ³
Es
In order to fulfil conditions 1, 3 and 4: R'
Determining the v.t.:
N'
12
=
Assumed:
N'
11
Condition 5 is fulfilled because:
N'
12
´ ³ ³ ´
1.2 n 0.8 n = 6.6 6
N'
11
3
12 kV
= ´
n
´
3 100 V
The following values are permissible:
W
R' = 1
Ps
W
R' = 10
Es
= ´
N' N' 3 600 V 100 V
12 11
Calculation of the settings REs and MTR:
æ
ç
ç
= W ´
R 10
3 600 V
Es
ç
ç
è
N' 110 V
12
= ´
MTR
N' 6 V .
11
for an injection voltage Uis = 6.4 V.
´ W = W
4.5 1 4.5
æ
600 V
ç
´
3
3
ç
W ´
700
12 kV
ç
ç
è
3
600 V
´
3
12 kV
3
´
12 kV
´
3 100 V
3
³ ³
. 0 4 . 4 where
600 V
´
W
10
3
´
12 kV
W + W
10 1
3
2
12 kV ö
÷
3
÷
= W
1.33 k
´
÷
÷
ø
3
=
103 . 1
4
ABB Switzerland Ltd
2
ö
÷
÷
= W
5 .25
÷
÷
ø
= .0 W
10
Es
´
3 600 V
= = .0
6
100 V
= ´ =
6 0.91 5 5 .
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