Transformer Oil BDV Testing – What, Why & How? Blog Electrical Testing Electrical Tools Transformer Transformer Oil BDV Testing – What, Why & How? Author April 27, 2025 During a recent preventive maintenance session, I conducted Breakdown Voltage (BDV) Testing on multiple 1000 kVA, 20 kV transformers... Learn more Read more about Transformer Oil BDV Testing – What, Why & How?
