CPL » Air Tech (A) » Electrical Systems - DC

26.30 Electrical Systems - DC

26.30.2 Describe the systems which typically require DC power in an aircraft.

26.30.4 Explain the function(s) of the following in a typical electrical system:

(a) the battery;

(b) a ground power source;

(d) bus bars;

(e) over voltage protection.

26.30.6 Given appropriate data, determine the duration of battery operation following a generator failure.

26.30.8 Describe the relative advantages and disadvantages of:

(a) a generator;

(b) an alternator.

26.30.10 Explain the functions and interpretation of:

(a) left-zero ammeters;

(b) centre-zero ammeters.

26.30.12 Explain the functions and correct operation of a:

(a) single battery master switch;

(b) split battery/alternator switch.

26.30.14 Explain the operation of:

(a) fuses;

(b) circuit breakers;

26.30.16 Explain operational principles for the handling of the electrical DC system, including:

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