2007年6月5日 · Two questions:- 1. I have only ever come across ANAF transformers fitted indoors. Are they ever used outdoors, particularly if it is a high ambient temperature environment? 2. What is the approximate ratio in size difference between a …

2002年12月17日 · Hi Buddy, need your guidance on this:- For each transformer, there is 2 rating involved , AN and AF. Lets say AN/AF = 2.0/2.5MVA. Shall there be any difference with the transformer with 2.0/3.0MVA? What is the application difference ? Is there any rule of thumb indicating the AF rating should...

2001年12月1日 · Following up on the two previous responses, what I think is being described in the question is the 55C rise OA (ONAN) rating (the base rating) and the 65C rise FA (ONAF) rating, which is the top rating of the transformer.