Monthly Archives: April 2011

Inductive effects on Motor Performance: Quantitative Analysis

At each commutation, energy is required to drive current into the phase that was previously unattached and is now attached to a power supply rail. The energy stored into the inductance is:  E=1/2LI2.  Energy has units of Joules and a … Continue reading

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The Effects of Inductance on Motor Performance: Qualitative Discussion

A brushless DC motors speed curve is reduced by the effects of motor inductance.  Below is a torque speed curve showing curves that both include and do not include the effects of inductance.   The red curves are the motor … Continue reading

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