3.22EjemploDRM007 Co..
3.22EjemploDRM007 Co..
3.22EjemploDRM007 Co..
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Designer Reference Manual — BLDC Motor <strong>Co</strong>ntrol Board<br />
Section 6. Practical Results<br />
Figure 6-1 shows the motor power output versus the motor torque with<br />
drives for the two commutation schemes developed in the reference<br />
design — consisting of switching two MOSFETs at each angular position<br />
or three MOSFETs at each angular position.<br />
Power Output Vs Torque<br />
500.00<br />
450.00<br />
400.00<br />
Power Output (Watts)<br />
350.00<br />
300.00<br />
250.00<br />
200.00<br />
150.00<br />
100.00<br />
50.00<br />
Tw o-MOSFETs Scheme<br />
Three-MOSFETs Scheme<br />
0.00<br />
0.93<br />
2.54<br />
4.34<br />
6.08<br />
7.82<br />
9.43<br />
11.76<br />
15.28<br />
18.20<br />
21.49<br />
24.65<br />
27.93<br />
Torque (lb-in)<br />
Figure 6-1. Power Output versus Torque Motor Characteristic<br />
BLDC Motor <strong>Co</strong>ntrol Board for Industrial and Appliance Applications<br />
DRM007<br />
MOTOROLA Practical Results 97
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