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Vector controlled motor drives are widely used in industry application areas, usually they contain two current sensors and a speed sensor. A fault diagnosis and reconfiguration structure is proposed in this paper including current sensor measurement errors and sensors open-circuit fault. Sliding windows and special features are designed to real-time detect the measurement errors, compensations are...
This paper presents a design of a permanent-magnet synchronous motor (PMSM) casing with organic phase change material (PCM), paraffin, stuffing to absorb and store the heat produced by the motor so as to prevent the motor temperature from sharp increase or decrease, and more important to avoid the motor from overheating. The paraffin is filled in the hollow motor casing on which some cavities are...
The accurate degree of power system dynamic simulation is directly related to the stable operation of power system, while the accuracy of load models have a direct influence on simulation results and final decisions. Based on PSASP/UPI, this paper develops an interface method linking the model to the transient stability program. By the transient stability program, load model can be linked to power...
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