VFD transformers
How do ONAN and ONAN/ONAF transformers compare?
How do ONAN and ONAN/ONAF transformers compare? Oil natural – air natural (ONAN) and oil natural – air forced (ONAF) variants belong to the most common oil-filled transformer cooling designs. This post compares both of them with regards to dimensions, losses, sound level, reliability or equipment price. Welcome to ONAN/ONAF Read more…