ABB REG316 4 Series - Page 407

REG 316*4 1MRB520049-Uen / Rev. B ABB Switzerland Ltd
4-9
Stabilising resistor specification:
300
W; 0.5 A
Test voltage: 2 kV
Non-linear resistor specification:
E.g. Metrosil Type 600 A/S1.
Shorting contacts:
The circulating current circuit must be short-circuited within the
thermal rating time of the two resistors, if an internal fault cannot
be tripped in a shorter time.
Overcurrent function settings:
I-Setting 0.25 I
N
Delay 0.02 s
HEST 935 005 FL
GT
Power
system
4.286
4.286
Fig. 4.1 E/F on the HV system supplied by the generator
x
d
" = x
2
= 0.2 ; x
T
= x
T0
= 0.1
The current values are referred to the rated current
of the transformer.