| http://www.w3.org/ns/prov#value | - The control means 37 also receives feedback signals representative of sensed values of voltage, current, and other selected variables in each of the inverters 30 and 30A. To operate in a dynamic braking mode, the control means 37 derives a train of suitably timed periodic signals that determine the repetitive on and off intervals of the choppers 41 and 41A, and it varies the ratio of these interva
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