G - Electrical systems
p. 38
G.
Electrical systems
1. Sources of power
ATA 24
Three kind of current are available: Direct current (DC)
Alternating current with constant frequency (AC)
Alternating current with variable frequency (ACW)
Two DC starter/generators
<45% NH starter mode
>61,5% NH generator mode
Two batteries
DC GPU
DC power 28 VDC
Two inverters
AC power
VAC 26 V
VAC 115 V
Two AC wild frequency
alternators
minimum NP 66%
ACW power
115V/200V
ACW GPU
DC power 28 VDC
TRU (Emergency
supply)
The TRU provides power to the emer-
gency loads in case of dual DC generators
loss. It is supplied by the ACW bus 2.
Summary of Contents for 42-500
Page 1: ...72 212A 42 500 ...
Page 7: ...A Aircraft general p 6 A Aircraft general p 6 A Aircraft general FCOM 1 00 ...
Page 12: ...A Aircraft general p 11 8 Internal lighting ATA 33 ...
Page 14: ...B Multi Function Computer p 13 B Multi Function Computer FCOM 1 01 ...
Page 16: ...C Centralized crew alerting system p 15 C Centralized crew alerting system FCOM 1 02 ...
Page 22: ...D Air p 21 D Air FCOM 1 03 ...
Page 30: ...E Automatic flight control system p 29 E Automatic flight control system FCOM 1 04 ...
Page 33: ...F Communications FCOM 1 05 p 32 F Communications ...
Page 38: ...G Electrical systems p 37 G Electrical systems FCOM 1 06 ...
Page 52: ...H Emergency equipment p 51 H Emergency equipment FCOM 1 07 ...
Page 57: ...I Fire protection p 56 I Fire protection FCOM 1 08 I Fire protection p 56 ...
Page 60: ...J Flight control p 59 J Flight control FCOM 1 09 ...
Page 65: ...K Flight instruments p 64 K Flight instruments FCOM 1 10 K Flight instruments p 64 ...
Page 74: ...L Fuel system p 73 L Fuel system FCOM 1 11 ...
Page 83: ...M Hydraulic system p 82 M Hydraulic system FCOM 1 12 M Hydraulic system p 82 ...
Page 86: ...N Ice and rain protection p 85 N Ice and rain protection FCOM 1 13 ...
Page 92: ...O Landing gear p 91 O Landing gear FCOM 1 14 ...
Page 95: ...P Navigation system p 94 P Navigation system FCOM 1 15 P Navigation system p 94 ...
Page 98: ...P Navigation system p 97 MODE 4 unsafe terrain clearance MODE 5 below glideslope ...
Page 102: ...Q Power plant p 101 Q Power plant FCOM 1 16 ...
Page 110: ...Annexes p 109 Annexes ...
Page 128: ...p 127 ...