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
Permanent Magnet Synchronous Motor) is working at the steady state
operation shown in the figure.

Problem 10 Operating Characteristics Of An Ac Internal Permanent Magnet Synchronous Motor Ipmsm An Ipmsm Internal Per 1 (58.8 KiB) Viewed 28 times

Problem 10 Operating Characteristics Of An Ac Internal Permanent Magnet Synchronous Motor Ipmsm An Ipmsm Internal Per 2 (65.19 KiB) Viewed 28 times

b) Nimi 30 CIWW 10 8 B RI, A os Power jXal Ep=0, PPM ME,=00,Y, 20 V. 15 10 1, 0, Torque 2014 To halo len Lala 5000 10000 25000 30000 95000 15000 20000 Speed from

Rated motor characteristics are: 'pM=0.0948 Wb Power (rated) = 8,8 kW; Current (rated) = 40 A Pole number = 6 Ld=3.05mH; Lq=6,2 mH Id=-22 A ; 14=34 A Base motor speed 02=2600 rpm; f= 60Hz Rs 0 (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 10=-38,5 A ; 14-11 A. Determine 7. Motor torque, Nm 8. Motor power, kW