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Filtering by: Subject Cables Subject Electric cables

Alternating current and voltage profiles on compensated high-voltage underground power cables

Creator:

Hirakami, Michael

Abstract:

The utilization of extra-high-voltage underground power cables over distances greater than 100 miles presents serious problems relative to the voltage and current limits of such cables. These problems are directly associated with the fixed amount of capacitance inherent in long cable lines. As a result, large charging currents are characteristic...

Resource Type:

Masters Thesis

Full Text:

amount of capacitance in- herent in long cable lines. As a result, large charging currents are
Finite Element Analysis Modeling and Experimental Verification of Reflected Wave Phenomena in Variable Speed Machine Drive Cables

Creator:

Louie, Alex

Abstract:

Modern variable speed machine drive (VSMD) systems are used for a variety of purposes including generation, propulsion, pumps and compressors. They employ high switching frequency power electronics to drive the electric machine. The machine is subject to large voltage overshoot if long power cables, are used, called Reflected Wave Phenomena...

Resource Type:

Masters Thesis

Full Text:

power cable lengths with likely occurrences of even larger over-voltage at previously acceptable cable