Figure 14. Speed characteristics of PMBLDC motor for sudden load torque change at 1.0 second from initial load torque 0.4 Nm to rated load torque 2.0 Nm for trapezoidal, square and sinusoidal current fed field oriented control drives

From

A New Approach to Enhance the Torque Handling Capacity of a PMBLDC Motor Drive

Protik Chandra Biswas, Bashudeb Chandra Ghosh

American Journal of Electrical and Electronic Engineering. 2016, 4(6), 164-176 doi:10.12691/ajeee-4-6-3