139
NV10P - Manual - 01 - 2015
APPENDIX
8.7
APPENDIX B3 - ThySensor Dimensions
Designation
Electronic Voltage and Current Transformer (EVT+ECT)
Type
Made in
ESTC24.06.16
EU
SE001/11
Electrical Characteristics
24/50/125 kV
f
n
= 50 Hz
Auxiliary power supply
U
an
= ±8 -12 V
dc
I
an
= 10 mA
EVT Characteristics
ECT Characteristics
K
n
=20/
√
3 kV/1V; K
u
=1.8
Cl.: 0.5
Ref. std.: IEC 60044-7
K
ra
=630 A / 2 V; Ith=16 kA
Cl.: 0.5
Ref. std.: IEC 60044-8
Serial no. / year
25
104
225
96
P2
P1
P1
Ø 100
Ø 110
50
Cable gland
Fixing hole M10
Fixing hole M10
Fixing hole
busbar M12
Fixing hole
busbar M12
hexagonal threaded 8mm M4
Capacitive divider output
42
62
Ø 110
14
Ø 20
Ø 20
To voltage-indicator lamps
Connect to ground
if not used
To Pro-N protection relay
Radius
≥
35 mm
RJ45
Remove the relay auxiliary supply
before connecting or disconnecting
the connectors of the sensors
3.5 m
Max 50 m
L10085