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TH-67 Electrical Systerms
ELO #2
8
Other
Professional
05/08/2011

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Cards

Term
What does the starter component of the starter/generator do during the starting sequence?
Definition
The starter component turns the N1 gear train to drive the accessories necessary for basic engine operation.
Term
What does the generator component of the starter generator do after the engine is running?
Definition
The generator provides 28 VDC to the aircraft's electrical circuits, plus it maintains charge fo the main battery that is in the nose of the helicopter.
Term
How many buss bars are there in teh VFR adn A+ configuration?
Definition
There is one main buss bar in the VFR and A+ configuration.
Term
What is the purpose of a buss bar?
Definition
A buss bar distributes electrical power.
Term
What is the starter/generator rated at?
Definition
The starter/generator is rated at 28 VDC and 105 amperes.
Term
What are the power sources for starting the VFR and A+ configured aircraft?
Definition
The battery in the nose of the aircraft and the auxillary power unit.
Term
During normal operations, what are the power sources for the VFR and A+ configuration?
Definition
The generator is the primary source with the battery as a backup power source.
Term
How long will the battery power the electrical systems after the generator has failed?
Definition
There are too many viarables to predict battery life in terms of time after generator failure.
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