What does ONAN cooling mean for transformer oil systems?

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This topic has 1 отговор, 2 участника, and was last updated преди 5 months, 1 week by Raffaello.

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10.02.2026 в 01:26 #4002

Nicolò
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What does ONAN cooling mean for transformer oil systems?

10.02.2026 в 01:41 #4003

Raffaello
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ONAN stands for Oil Natural Air Natural. It means oil circulates naturally by convection and heat is dissipated to surrounding air through radiators without forced pumps or fans. It is commonly used for small to medium power transformers due to simplicity and reliability.
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