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Related Flashcards
Cards In This Set
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Batteries connected in series ___ total ____
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Increase voltage
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Batteries connected in parallel ___
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Increase ampere rating giving longer discharge life (more amp hours)
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2 functions of batteries
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Damp out electrical surges, store energy
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CDC's can/cannot be reconnected in flight
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Cannot
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Advantage of 400hz
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Generator weight reduction
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__ are lighter than __ generators
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AC DC
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It is easier to convert __ to __
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AC DC
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Batteries store better when its ____
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Cold
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To prolong the life of Lead acid batteries
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Store and operate it near full charge
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Nickel Cadmium advantages
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Stored in any charge state charge faster better voltage stability
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Lead acid battery advantages
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Cheaper less prone to thermal runaway
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Split bus
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When each generator runs its own separate bus, no load sharing
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Parallel bus system
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Ability to load share but requires generators all produce the same output voltage, producing the same frequency, In-phase
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Hott battery bus
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Is alive at all times, and powers things such as cabin lighting and fire protection
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Order of power source priority
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Engine generator, apu, ground power
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