Connection Examples for Current and Voltage Transformers
[anschl-3-stromwdl-sternpunktstrom-110220, 1, en_US]
Figure C-1 Current transformer connections to three current transformers and neutral point current
(ground current) (Holmgreen connection) – appropriate for all networks
[anschl-2-stromwdl-110220, 1, en_US]
Figure C-2 Current transformer connections to two current transformers – only for isolated or resonant-
grounded networks
[anschl-3-stromwdl-summenstromw-110220, 1, en_US]
Figure C-3 Current transformer connections to three current transformers, ground current from an addi-
tional summation current transformer – preferably for effectively or low-resistance grounded
networks
C.1
Connection Examples
C.1 Connection Examples for Current and Voltage Transformers
600 SIPROTEC Compact, 7SC80, Manual
E50417-G1140-C486-A8, Edition 07.2017
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