L1_1 - + = = = Average current is d V R , so 2 cos m d V I...

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SUBJECT 1. Diode Single-Phase Rectifier 2. Single-Phase Bridge Phase-Controller Rectifier 3. Single-Phase Bridge Phase-Controller Rectifier 4. Single-Phase Bridge Phase-Controller Rectifier and DC Load Voltage 5. Three-Phase Half Rectifier SINGLE - PHASE BRIDGE RECTIFIER 1
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A finite reactor (less than infinite inductance) will allow some ac ripple current to exist in the diode and ac line currents. To make the analysis simple is done with an infinite load inductance. Average load voltage: 0 0 1 2 sin d m m V V d V π ϑ ϑ = = , where t ϑ ϖ = Average load current: do d V I R = 2
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2 m d V I R π = 3
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0 2 1 sin cos cos m d m d V V V d V π α α ϑ ϑ
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Unformatted text preview: + = = = Average current is d V R , so 2 cos m d V I R = Addition of Freewheeling Diode 4 5 Average load voltage: ( 29 1 sin 1 cos m d m V V V d = = + Average load current: ( 29 1 cos m d V I R = + Average current in the freewheeling diode: The current in the FWD is the same as the load current in the interval from 0 to and for a similar interval in the second half-cycle. 1 FWD d d avg I I d I = = 6...
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L1_1 - + = = = Average current is d V R , so 2 cos m d V I...

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