Vector group

Electrical

A code such as Dyn11 describing how a transformer's windings are connected, whether a neutral is available, and the phase shift between primary and secondary. Transformers intended to run in parallel must share the same vector group or they fight each other.

Explained in depth

Distribution and the single line diagram — the map of the electrical system

Related terms

Arc flash
Discrimination
SLD
Barrier gland
Bearing currents
Bonding
CP
Derating factor
DOL
Escape lighting
Ex d
Hazardous area