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According to the special working environment and structural characteristics of the marine drilling platform, the basic construction and structure form of electric control system of offshore drilling rigs are given, and taking the 70DBF electric rig as an example, the design of the power control system and driving control system are also given. Finally, in view of some technical problems existing in...
SCR driving will give the rig's electric system a larger harmonic pollution, causing the system power quality deterioration, electrical equipment overheating, shortened life expectancy, loss increasing, and electromagnetic interference on communication facility. Therefore, we must take effective measures to suppress harmonic pollution. Aiming at the problem of the harmonic produced by the oil rig's...
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