Day 12 - Electrical System Flashcards
What are the three electrical power systems of the T-1
Primary direct current (DC), alternating current (AC), and DC standby current
What are the three primary dc power components
Starter generators, battery, and external power
How much power do the generators provide
28 volts
The generators power their respective load buses though __
The main buses
What type of battery is in the T-1
24 volt, 40 ampere-hour lead acid
What does the BATT FDR FAIL light indicate
Battery feeder protection is lost
What does the BATT FDR FAIL light accompanied by EMER BUS FDR FAIL annunciator indicate
Emergency bus is being powered by the LH load bus
What does the BATT FDR FAIL light accompanied by EMER BUS FDR FAIL and BATT CUTOFF annunciators indicate
Ground fault has occurred and battery feeder protection unit has disconnected the battery
T/F - Do not operate the defog blower and/or windshield heat systems at the same time as the electric heat.
TRUE
T/F - Ground fault protection is provided by the battery protection circuits
TRUE
The standby battery provides power to
Standby attitude indicator, UHF radio, RTU#1, No.1 ITT indicator, electronic fuel control - start, copilot instrument
T/F - If the STBY PWR is not armed during preflight, the standby bus will not automatically be powered with the loss of all electrical power
TRUE
The AC power system is powered by __ located in the __
Two inverters, nose compartment
With the inverter select switch to AUTO how is AC power distributed
The No.1 inverter powers the primary and the No.2 powers the secondary buses
With the inverter select switch to NO.1 how is AC power distributed
It forces the No.1 inverter to power the primary buses
