
These studies present the electromagnetic analyses of different configurations of the so called “Integrated Production Umbilical,” or simply Umbilical Cables. Modern Umbilical Cables can have more than 4 independent 3-phase power circuits as well as steel tubes. There is no 2-D symmetry for these cable configurations and the 3-D simulations are very undesirable due to cable length. The adopted methodology to evaluate cable performance is a combination of 2-D-finite element analyses (coupled with electric circuit) and the transposition technique. The results have shown that the configuration B in which all power circuits rotates along its own center has better performance considering the load terminal voltages due to the compensation of the induction effect along the cable.
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