What do I need to specify a neutral grounding transformer?

Frequently Asked Questions Transformer Design

Neutral grounding transformers are not sized by kVA. To properly specify a grounding transformer, the following parameters must be known:

System Voltage & System BIL
Continuous Neutral Current
Fault Current & Duration
Impedance
Connection Type: Zig-Zag Autotransformer or Wye-Delta
Enclosure Type
Ambient Temperature
Other Environmental Concerns

Data Collection Template for Grounding Transformers

Learn More about HPS Grounding Transformers