ABB REG316 4 Series - Page 252

ABB Switzerland Ltd REG 316*4 1MRB520049-Uen / Rev. F
3-214
Restrains
HEST 915 009 C
U
2R
0,2
0,8
1 x U
N
0,80,201 x U
N
U
1R
(U < U )
21
Operates
Line 2
Operates
Line 1
(U < U )
12
U
1R
:
R phase voltage amplitude of
voltage channel 1 (line 1)
U
2R
:
R phase voltage amplitude of
voltage channel 2 (line 2)
Three-phase mode:
The characteristic applies
accordingly to S and T phases
Fig. 3.5.22.1 Operating characteristic of the balanced voltage
function (show for R phase and the setting V-
Unbalance = 0.2
´ U
N
)