Important: Grounding of the cable shield must be effected at the cable side
The switchover of the current polarity (address 201) also reverses the polarity of the current input IN!
[anschl-2-stromwdl-kabelumbauw-060606, 1, en_US]
Figure C-4 Current transformer connections to two current transformers - additional cable-type current
transformer for sensitive ground fault detection - only for isolated or resonant-grounded
networks
Important: Grounding of the cable shield must be effected at the cable side
The switchover of the current polarity (address 201) also reverses the polarity of the current input IN!
[anschl-3-stromwdl-kabelumbauw-060606, 1, en_US]
Figure C-5 Current transformer connections to three current transformers - ground current from addi-
tional cable-type current transformer for sensitive ground fault detection
Important: Grounding of the cable shield must be effected at the cable side
The switchover of the current polarity (address 201) also reverses the polarity of the current input INs!
Connection Examples
C.1 Connection Examples for Current and Voltage Transformers
SIPROTEC 4, 7SJ80, Manual 443
E50417-G1140-C343-A8, Edition 12.2017