Problem 10: Operating Characteristics of an AC Internal Permanent Magnet Synchronous Motor, IPMSM An IPMSM (Internal Per

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Problem 10 Operating Characteristics Of An Ac Internal Permanent Magnet Synchronous Motor Ipmsm An Ipmsm Internal Per 1 (124.15 KiB) Viewed 40 times

Problem 10: Operating Characteristics of an AC Internal Permanent Magnet Synchronous Motor, IPMSM An IPMSM (Internal Permanent Magnet Synchronous Motor) is working at the steady state operation shown in the figure. b) IN CIK 30 RI A B B B 25 ¡X1, Ep=00 PPM Power 8 ETY, 15 10 Torque 2014 MU SOOD TODO 1500D 20000 Speed 25000 30000 30 Trpm Rated motor characteristics are: p=0.0948 Wb Power (rated) = 8,8 kW; Current (rated) = 40 A Pole number = 6 L = 3.05mH; Lq=6,2 mH 14--22 A ; 1=34 A Base motor speed 0 =2600 rpm; f= 60Hz Rs 20 (a lossless model is assumed) Determine: 1. The motor back-EMF, Es 2. The motor voltage, Vs 3. The power factor of the motor 4. The motor torque at this operating point 5. The ratio of reluctance torque to magnetic torque 6. The motor power applied to the load, at this operating point In the weakening zone operating point B, running at 7600rpm, beyond the base speed, motor currents are 147-38,5 A ; 14-11 A. Determine 7. Motor torque, Nm 8. Motor power, kW