When selecting a solar transformer, one common question is whether to choose an oil immersed transformer or a dry type transformer.
Oil Immersed Solar Transformers are widely used in large-scale solar farms due to their excellent cooling performance, higher efficiency, and lower cost. They are ideal for outdoor applications and harsh environments.
On the other hand, dry type solar transformers are mainly used in commercial or rooftop PV systems where fire safety and indoor installation are required.
For most utility-scale photovoltaic projects, oil immersed step-up transformers remain the preferred solution due to their reliability and economic advantages.
