PROJECT TITLE :
Load Filter Design Method for Medium-Voltage Drive Applications in Electrical Submersible Pump Systems
Medium-voltage drives (MVDs) are increasingly used in oil field facilities for prime-power electrical submersible pump (ESP) wells. The load filter remains to be a essential part in such applications. In this paper, a load filter design method for MVD applications in ESP systems is proposed, that is appropriate for varied types of MVDs and with completely different lengths of cables involved. A computer simulation is conducted for a subsea-ESP system using a neutral purpose clamped (NPC) inverter drive as a case study, and three situations (no load filter, with an improperly designed load filter, and with the load filter designed using the proposed method) are investigated. The sensitivity study is also conducted using totally different lengths of cabling for the subsea-ESP system with the designed load filter put in. The simulation results of the case and sensitivity studies verify the effectiveness of the designed load filter using the proposed method. The designed load filter was put in with the same NPC inverter drive utilized in the case study and commissioned during a take a look at ESP well. The simulation and field measurement results for the test well are compared and match well with every different. Field measurements of the test well give any validation of the proposed load filter design technique.
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