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| L-1011 Electrical System - DC Volts |
Today I started the integration of the power systems with the Electrical System panel of the L-1011. The Electrical System panel is located on the lower Flight Engineer's console (see picture below). The Transformer Rectifier (T/R) units, and the Battery Simulator are now connected to the electrical panel. The image above shows the 24V DC output from T/R number 2. The DC voltage on the actual L-1011 is actually 28V DC, however, 24V DC work just fine all instruments that we have tested so far. 24V DC is a lot easier to obtain.
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| L-1011 Electrical System Panel - DC Meters |
Below is a short video showing the operation of the DC Volts meter from different sources. The video shows an under-voltage on T/R 2 and no power on the ESS DC T/R, the Batter and the Standby DC Bus.
In addition to connecting the DC Volts and DC Amps meters to the T/R units I also installed the simulated T/R Remote Circuit Breakers. The remote circuit breakers are controlled with "R" labeled breakers on the CB3 Circuit Breaker panel. To be exact the circuit breakers are CB3E16, CB3E17 and CB3E18. For the simulator, the circuit breakers control three 24V relays that switch the T/R1, T/R2 and T/R 3 units on.
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| L-1011 T/R Remote Circuit Breaker Simulation |
The image below shows the T/R1, T/R2, T/R3 and BATT units powered on. This would be case with either all three engine generators producing power, or, with the AC Tie Bus powered by either the APU or EXT Power.
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| L-1011 Trainer - Transformer Rectifier Units |
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