Delta C2000 Series User Manual page 11

Chapter 1 Introduction C2000 Series
3 Grounding at one end in a single-phase
configuration
Internal grounding through RFI capacitor, which reduces
electromagnetic radiation. In a situation with higher
requirements for electromagnetic compatibility, and using a
symmetrical grounding power system, an EMC filter can be
installed. As a reference, the diagram on the right is a
symmetrical grounding power system.
4 No stable neutral grounding in a three-phase
autotransformer configuration
L 1
N
RFI short-circuit can be used
1-6
L 1
L 2
L 3
L 1
L 2
L 3
L 1
L 2
L 3