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TWELVE PULSE CONVERTER: OUTPUT VOLTAGE EQUATION: Vd 1 = 3 Vm cos ( ωt π 6 ) 0 ≤ωt ≤ π 6 Vd 2 = 3 Vm cos ( ωt π 3 ) π 3 ≤ ωt ≤ π 2 Combine both and get, cos ( ωt π 6 ) Vd = 3 Vm ¿ ± ( ωt π 3 ) ¿ 1.9319 ¿ cos ( ωt π 4 ) { π 3 ≤ωt ≤ π 2 } 3 Vm ¿ ¿1.9319 3 Vm { [ π 6 π 3 cos ( θ π 3 ) ] π 6 } ¿ ( 6 1.9319 3 ) Em π 2sin ( π 2 ) Vd = 3.3042 Vm

Twelve Pulse Converter

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Analysis of 12-pulse converter

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TWELVE PULSE CONVERTER:OUTPUT VOLTAGE EQUATION:

Combine both and get,