Siemens SIPROTEC 7UT633*-* N series User Manual

3.3 Commissioning
405
7UT613/63x Manual
C53000-G1176-C160-2
DANGER!
Operations in the primary area must be performed only with plant sections
voltage-free and earthed! Perilous voltages may occur even on voltage-free
plant sections due to capacitive influence caused by other live sections!
Figure 3-29 Zero sequence current measurement on a star-delta transformer — without in-
clusion of the starpoint current
Figure 3-30 Zero sequence current measurement on a star-delta transformer

Siemens SIPROTEC 7UT633*-* N series Specifications

General

Brand	Siemens
Model	SIPROTEC 7UT633*-* N series
Category	Protection Device
Language	English