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Assignment 5-7-3

Electrical Systems Review

QuestionAnswer
1. What are the two types of electrical current? AC and DC
2. What components supply AC power? AC generators and inverters.
3. Transformer rectifies produce what type of electric current? DC from an AC input.
4. What provides a constant rotational input to the generator regardless of the engine RPM? CSD (constant speed drive)
5. Generators can provide what types of power? AC or DC, depending on generator type.
6. If equipped, what does an APU provide? Emergency power or power during ground operations
7. What bus provides power to safety of flight components? Essential bus.
8. Distribution of electrical energy is accomplished by a ______________ system. Bus
9. Name the for types of busses and the type of equipment that is supplied power? 1. Essential bus-safety of flight 2. Primary bus- mission equipment 3. Monitor/Secondary bus-convenience items 4. Starter bus-starting circuit.
10. What provides an automatic means of interrupting electrical power? A manual method? Circuit breakers. Circuit breakers and switches.
11. What signals a system malfunction? Warning Lights
12. What is the main provider of power to the AC busses? AC generator
13. With main generator failure, what bus or busses will stay on the line? DC and AC essential buses
14. What provides power to start bus? External DC power, internal battery or APU
15. What bus charges the battery? DC essential bus.
Created by: Rudyrm
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