Rotor-to-stator air gap readings for...

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Question 1 of 205eccefa4bacbc34ba4d484c0

Rotor-to-stator air gap readings for electrical generating equipment should be taken periodically. For what reason should these readings be taken? determine the condition of the bearings prevent damage to the rotor and stator

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🔍 Key Concepts

• Purpose of measuring rotor-to-stator air gap in generators or motors • How worn or misaligned bearings affect the rotor position • Why uneven or changing air gap can lead to rubbing, overheating, or electrical faults between rotor and stator

💭 Think About

• If the air gap changes over time, what mechanical condition in the machine could that reveal? • What kinds of damage can occur if the rotor gets too close to, or contacts, the stator? • Would one periodic measurement of air gap help with only detecting bearing condition, only preventing damage, or both?

✅ Before You Answer

• Whether bearing wear or misalignment will show up as a change in the air gap readings • Whether excessively small or uneven air gap increases the risk of rotor-stator contact and damage • If a single periodic test can reasonably serve more than one protective/diagnostic purpose in rotating electrical machinery

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