(C) Figure Q3a shows the armature states for 4-quadrant operation of de machine. Determine the states of T1, T3, T4, T4

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C Figure Q3a Shows The Armature States For 4 Quadrant Operation Of De Machine Determine The States Of T1 T3 T4 T4 1 (40.08 KiB) Viewed 13 times

(C) Figure Q3a shows the armature states for 4-quadrant operation of de machine. Determine the states of T1, T3, T4, T4 ; D1, D2, D3, D4 in Figure 3b when machine is operating in quadrants III and IV described in Figure 3a, sketching the path of current flow and terminal polarity for these quadrants. la TM ia II braking motoring va el Reverse Forward Val e 00 III Va e IV Reverse F motoring braking la ia Figure 3a: Armature states for 4-quadrant operation of de machine T1 T3 IGBT Vdc HK ia HI M Va T2 T4 HK Treewheel diode Figure 3b: H-bridge configuration for 4-quadrant operation of dc machine [10 marks)