Siemens SIPROTEC 7UT63 series User Manual

4.8 Unbalanced Load Protection
459
7UT613/63x Manual
C53000-G1176-C160-2
Trip Time Curves acc. to IEC
Reset Curves with Disk Emulation according to IEC
One of the tripping characteristics displayed on the right-hand side of Figures 4-14 and 4-15
can be selected.
The trip times for I
2
/I
2p
≥ 20 are identical to those for I
2
/I
2p
= 20.
Pickup Threshold approx. 1.10 · I
2p
For illustrations of possible reset time characteristics see figures 4-14 and 4-15 on the left-
hand side.
The dropout time characteristics apply to the range 0.05 ≤ (I
2
/I
2p
) ≤ 0.90

Siemens SIPROTEC 7UT63 series Specifications

General

Brand	Siemens
Model	SIPROTEC 7UT63 series
Category	Protection Device
Language	English