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Questions and Answers
What is the role of the Permanent Magnet Generator (PMG) in the IDG system?
What happens if there is an in-flight oil loss or over temperature condition in the constant-speed drive unit?
Why does the text mention that the term 'generator' is still used even though these items are brushless alternators?
What is the purpose of the quick attach/detach (QAS) adapter in the CSD and IDG systems?
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Why is it important to monitor the oil level in most constant-speed drives?
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What is the significance of the electrically activated generator-drive disconnect mechanism in constant-speed drive units?
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What manuals are referenced for performing maintenance on aircraft electrical systems?
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Which ATA chapters do transport aircraft maintenance manual systems comply with for electrical power?
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How does a typical large aircraft electrical power system supply power?
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What type of system do aircraft almost without exception use for electrical grounding?
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What does connecting the negative terminal of the battery to the metallic portion of the aircraft structure achieve?
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Which manual specifies the compliance with Air Transport Association (ATA) Specification Reference under chapters ATA 20 Standard Practices and ATA 24 Electrical Power?
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What is the purpose of the master switch in the transistorised voltage regulator system?
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How does the alternator rotor field gain earth in the transistorised voltage regulator system?
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What causes the charge indicator light to extinguish in the transistorised voltage regulator system?
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Which component biases transistor T2 on in the transistorised voltage regulator system?
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What happens when transistor T2 biases on in the transistorised voltage regulator system?
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How does the alternator voltage drop occur in the transistorised voltage regulator system?
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What is the purpose of a rectifier circuit?
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What does a tap represent in a transformer winding?
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In a Transformer Rectifier Unit (TRU), what type of input does it typically operate on?
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How is the output voltage in a rectifier circuit compared to the input voltage?
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What component is commonly used in rectifier circuits to allow current flow in only one direction?
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What is the frequency of the AC input typically used for Transformer Rectifier Units?
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What maintains the breaker contacts in the closed position under normal current flow conditions in a Reverse Current Circuit Breaker system?
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What happens to the reverse current circuit breaker when the generator output drops below the battery level?
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Which component of the DC-generating system is supplied power through the auxiliary contacts of the RCCR?
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What is the function of the cut-out relay in a Reverse Current Circuit Breaker system?
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Which action causes the line contactor in a Reverse Current Circuit Breaker system to be de-energized?
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What keeps the reverse current circuit breaker closed when reverse current flows through the system?
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