Thytronic NV10P - Page 135

135
NV10P - Manual - 01 - 2015
APPENDIX
Voltage inputs - direct connection to a low voltage network with phase to phase measure (U
R
= 400 V versions)
Residual voltage by means of open delta VTs
NV10P-sch5.ai
NV10P
U
E
U
L1
U
L2
U
L3
VOLTAGE INPUTS
74TCS
BF
27
27V1
81O
81U
81R
59V2
59
ARF
59Uavg
L1
L2
L3
B7
B8
Raf(*)
da
dn
N
A
BF (K2)
(*) Raf - eventuale resistenza
antiferrorisonanza
59N