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A D
E
F
BC
G
L
M
H
ON L L O PL
MM H
N
H
H
H
N
A
D
E
B F G
C
B E
– – – – – – –
– – – – –
–
2 – –
– – – –
– – – – – – –
– – – –
– – – – 20 – – – –
– – – – – – – –
– – – – – – – –
B E
1 2 3 4 5
2
r2 x 3,14 rr
r + r 5,5 + 5,5
5
4
3
2
1
0
-1
-2
-3
-4
-5
F % Corrente nominale
0,05 0,1 0,2 1 1,2 2 3 4 5
Sovracorrente in trasformatoridi misura fino a Fs 5
Fs 5
Saturazione magnetica
Curva a 1/4 dell’impedenza nominaleCurva a impedenza nominale
2
46
482
± 1 ± ± ± ± ± ± ±1 ± 2 ± ± 1 ± 1 ± ± ± ±