. Deep ocean power systems. Electric power distribution; Hydroelectric power plants. load module r^^- Figure 24. Catenary cable support system. Voltage Regulation. A voltage variation limit of plus or minus 5% was established as a design constraint to obviate the need for additional voltage regulation equipment in the load module. In case of constant power demand, voltage regulation equipment can be added at the power source end. However, this criterion is not practical since any load module will have an average load and a peak load, either of which may vary as much as 50%. The allowable volta
. Deep ocean power systems. Electric power distribution; Hydroelectric power plants. load module r^^- Figure 24. Catenary cable support system. Voltage Regulation. A voltage variation limit of plus or minus 5% was established as a design constraint to obviate the need for additional voltage regulation equipment in the load module. In case of constant power demand, voltage regulation equipment can be added at the power source end. However, this criterion is not practical since any load module will have an average load and a peak load, either of which may vary as much as 50%. The allowable voltage drop for a circuit depends on the required regulation or the current- carrying capacity of the cable. The required voltage regulation would be obtained by limiting the voltage drop in the cable system to 5%. AC Distribution System. The selection between single-phase and three-phase power was based on the power demand, equipment availability, reliability, and losses. In a single-phase circuit, the power delivered is pulsat- ing and, when the current and voltage are in phase (unity power factor), zero power is deliverd twice in each cycle. 67. 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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