Questions and Answers
What is the purpose of the solenoid in a vibrating-type voltage regulator?
To connect or disconnect the field rheostat based on voltage variations
Why does contact B open when the output voltage rises above a specific value?
To reduce field current
What is the function of the dashpot in a vibrating-type voltage regulator?
To dampen oscillations and prevent hunting
How does contact B influence the field current in the generator?
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Why does contact B close when the output voltage falls below a specific value?
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What role does capacitor C play in a vibrating-type voltage regulator?
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What type of regulator is suitable for heavy-duty generator systems?
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Why can't vibrating-type regulators and three-unit regulators be used with generators that require high field current?
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What is the regulating element in a carbon-pile voltage regulator made of?
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In older aircraft DC generating systems, what type of generators were controlled by carbon-pile voltage regulators?
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What keeps the carbon discs pressed together in a carbon-pile voltage regulator?
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What makes the carbon pile in the carbon-pile voltage regulator derive its name?
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What determines when C2 will open?
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Why is it necessary to have a certain minimum value of load current?
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What would happen if the reverse current cut-out relay was not used in the generator circuit?
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What happens when the cut relay is closed in the DC-generating system?
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How does the magnetic field set up by the current flow through the Reverse Current Circuit Breaker (RCCR) affect the breaker contacts?
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How does reducing the output voltage affect the generator current?
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What happens to the generator when a reverse current occurs due to a drop in its output during shutdown or failure?
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What triggers the action of the voltage regulator?
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What happens when R2 is placed in series with the generator field?
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In what scenario will the reverse current circuit breaker remain closed?
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What purpose do the auxiliary contacts of the RCCR serve in the DC-generating system?
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Why is it essential to de-energize the line contactor during a generator shutdown?
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What happens when the APU generator is switched on according to the text?
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What is the purpose of an inverter in aircraft systems as mentioned in the text?
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What are the two basic types of inverters mentioned in the text?
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What is the typical frequency at which inverters in aircraft systems supply current?
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How is a rotary inverter structured based on the text?
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What voltage range is utilized as an input for inverters according to the text?
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