A current density of ________ is used for large power transformers with forced circulation of oil or with water cooling coils.
Understand the Problem
The question is asking for the appropriate current density used in large power transformers with forced cooling, along with multiple choice answers for different ranges of current density values.
Answer
1.5 to 2.5 A/mm²
The final answer is 1.5 to 2.5 A/mm².
Answer for screen readers
The final answer is 1.5 to 2.5 A/mm².
More Information
The optimal current density for large power transformers with forced circulation of oil or water cooling coils is set at 1.5 to 2.5 A/mm² to ensure efficient performance and prevent overheating.
Tips
Avoid confusing different transformer types and their respective cooling methods, as they may require different current densities.
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