What is the dynamic viscosity of transformer oil in power transformers?

The dynamic viscosity of transformer oil in power transformers typically ranges from 10 to 20 centistokes (cSt) at 40�C. This property is crucial as it affects the oil’s ability to circulate and cool the transformer effectively. Higher viscosity can impede flow, while lower viscosity may not provide adequate insulation. Regular testing of dynamic viscosity ensures optimal performance and longevity of power transformers.