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Direct Torque Control with Space Vector Modulation (DTC-SVM) of ...

Direct Torque Control with Space Vector Modulation (DTC-SVM) of ...

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DSP implementation <strong>of</strong> <strong>DTC</strong>-<strong>SVM</strong> control<br />

Figure 7.16. Experimental flux tracking performance <strong>of</strong> PM synchronous motor for zero speed<br />

at sampling time Ts<br />

= 200µ<br />

s. Reference flux from70% to 100% <strong>of</strong> nominal value . From the<br />

top: 1-reference stator flux amplitude(0.05Wb/div), 2- stator flux amplitude (0.05Wb/div), 3-<br />

electromagnetic torque (2Nm/div), 4- motor phase current (10A/div).<br />

It can be observed that achieved result is comparable <strong>with</strong> simulation results presented<br />

in Fig. 5.34.<br />

Figure 7.17. Experimental torque tracking performance <strong>of</strong> PM synchronous motor for zero<br />

speed at sampling time Ts<br />

= 200µ<br />

s. Reference torque from 0 to nominal value. From the top:1-<br />

reference torque (10Nm/div), 2 - estimated torque (10Nm/div), 3 - stator flux amplitude<br />

(0.1Wb/div), 4- motor phase current (10A/div)<br />

148

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