TIME (HR) 



6.0 

 5.5 —I 



5.0 



4.5 H 

 4.0 

 3.5 

 3.0 —\ 



2.5 

 2.0 

 1.5 — 

 1.0 — 

 .5 



DOCKING 



CLIMB 



EMERGENCY 



WORK 



-STANDBY 



WORK 



-STANDBY 



WORK 



PEAK LOAD 



kWh/6Hr = 15.3 kWh 

 PEAK LOAD = 7,7 kW 

 AVERAGE LOAD = 2.5 kW 

 ENERGY AVAILABLE = 30 kWh 

 RESERVE = 14.7 kWh = 1-6 Hr MISSION 



AVERAGE LOAD 



•STANDBY 



SETUP 



SEARCH 



DIVE 



-SURFACE (PREDIVE CHECK) 



3 4 5 6 7 8 9 



KILOWATTS 



Fig. 7.2 Power spectrum for a typical six-hour mission. [From Ref. (4)| 



317 



