. Deep ocean power systems. Electric power distribution; Hydroelectric power plants. 10 1. Mooring line 2. Hawsepipe 3. Steel rope 4. Exhaust 5. Air intake 6. Power plant 7. Inner hull 8. Outer hull 9. Power cable 10. Swivel connector Figure A-12. Cross section of surface power plant hull. The generator is rated for 50-kw continuous or 60-kw intermittent, 60-Hertz, 480-volt, 3-phase, AC power output. Voltage regulation was established at 1% bandwidth of steady-state voltage, with a maximum steady-state frequency variation of The no-load to full-load recovery time was set at 4 seconds wit
. Deep ocean power systems. Electric power distribution; Hydroelectric power plants. 10 1. Mooring line 2. Hawsepipe 3. Steel rope 4. Exhaust 5. Air intake 6. Power plant 7. Inner hull 8. Outer hull 9. Power cable 10. Swivel connector Figure A-12. Cross section of surface power plant hull. The generator is rated for 50-kw continuous or 60-kw intermittent, 60-Hertz, 480-volt, 3-phase, AC power output. Voltage regulation was established at 1% bandwidth of steady-state voltage, with a maximum steady-state frequency variation of The no-load to full-load recovery time was set at 4 seconds with an isochronous governor. The same generator plant is used for the 600-foot-deep and the 6,000-foot-deep transmission systems. Table A-3 lists the characteristics of the diesel generator. The electrical systems selected for the surf ace-tendered power system were 480 volts, 3 phase, 60 Hertz for 600-foot depths and 4,160 volts, 3 phase, 60 Hertz for 6,000-foot depths. The 480-volt generator plant out- put will be transmitted directly to the load module. The 4,160-volt system will generate power at 480 volts, which will be stepped-up to 4,160 volts with a dry transformer; the power will then be transmitted to the load module at 4,160 volts. Both the 480-volt and 4,160-volt systems will utilize the same type of cable, with the insulation level at 5,000 volts. The conductor size selected for both systems is 6 AWG. The 480-volt system at 600 feet will require 915 feet of cable, and the 4,160-volt system at 6,000 feet will require 11,790 feet of cable. These cable lengths would limit the voltage drop to within 5%. 108. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Giorgi, E. Port Hueneme, Calif. , Naval Civil Engineering Laboratory
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