Physics · Electrical Machines
For the cooling of large-sized alternators/generators, hydrogen gas is preferred because:
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1all of the above✓
- 2it has high thermal conductivity and a high heat transfer coefficient
- 3it is light in weight and reduces windage losses
- 4it offers a reduced fire risk compared to air cooling systems
Correct answer
all of the above
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