For much higher power 3 phase rectifiers are used.
That leaves only a small ripple.
I am not sure if you need PFC in such a case.
I am playing around with modeling 3-phase rectifiers. I think PFC
would be a real good thing for 3-phase rectifiers. May be more than
a tad interesting to implement though.
I am getting some interesting results. I would really like to
build some and measure them.
Version 4
SHEET 1 880 680
WIRE 16 -368 -112 -368
WIRE 112 -368 16 -368
WIRE 304 -368 112 -368
WIRE 336 -368 304 -368
WIRE 544 -368 336 -368
WIRE -112 -288 -112 -368
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FLAG 320 528 V+
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SYMATTR InstName L1
SYMATTR Value 20m
SYMATTR Type ind
SYMATTR SpiceLine Ipk=10 Rser=.5
SYMBOL ind2 -272 -48 R180
WINDOW 0 36 80 Left 0
WINDOW 3 36 40 Left 0
SYMATTR InstName L2
SYMATTR Value 20m
SYMATTR Type ind
SYMATTR SpiceLine Ipk=10 Rser=.5
SYMBOL ind2 -400 16 R0
SYMATTR InstName L3
SYMATTR Value 20m
SYMATTR Type ind
SYMATTR SpiceLine Ipk=10 Rser=.5
SYMBOL ind2 -272 128 R180
WINDOW 0 36 80 Left 0
WINDOW 3 36 40 Left 0
SYMATTR InstName L4
SYMATTR Value 20m
SYMATTR Type ind
SYMATTR SpiceLine Ipk=10 Rser=.5
SYMBOL ind2 -400 192 R0
SYMATTR InstName L5
SYMATTR Value 20m
SYMATTR Type ind
SYMATTR SpiceLine Ipk=10 Rser=.5
SYMBOL ind2 -272 304 R180
WINDOW 0 36 80 Left 0
WINDOW 3 36 40 Left 0
SYMATTR InstName L6
SYMATTR Value 20m
SYMATTR Type ind
SYMATTR SpiceLine Ipk=10 Rser=.5
SYMBOL diode -128 -288 R0
SYMATTR InstName D1
SYMATTR Value MUR460
SYMBOL diode 0 -288 R0
SYMATTR InstName D2
SYMATTR Value MUR460
SYMBOL diode 96 -288 R0
SYMATTR InstName D3
SYMATTR Value MUR460
SYMBOL diode -128 368 R0
SYMATTR InstName D4
SYMATTR Value MUR460
SYMBOL diode 0 368 R0
SYMATTR InstName D5
SYMATTR Value MUR460
SYMBOL diode 96 368 R0
SYMATTR InstName D6
SYMATTR Value MUR460
SYMBOL res 528 16 R0
SYMATTR InstName R1
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SYMBOL voltage -768 -160 R0
WINDOW 123 0 0 Left 0
WINDOW 39 0 0 Left 0
SYMATTR InstName V1
SYMATTR Value SINE(0 120 60 0 0 0)
SYMBOL voltage -768 16 R0
WINDOW 123 0 0 Left 0
WINDOW 39 0 0 Left 0
SYMATTR InstName V2
SYMATTR Value SINE(0 120 60 0 0 120)
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WINDOW 123 0 0 Left 0
WINDOW 39 0 0 Left 0
SYMATTR InstName V3
SYMATTR Value SINE(0 120 60 0 0 240)
SYMBOL res -464 512 R90
WINDOW 0 0 56 VBottom 0
WINDOW 3 32 56 VTop 0
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SYMBOL cap 320 -192 R0
SYMATTR InstName C1
SYMATTR Value 1000?
SYMATTR SpiceLine V=250 Irms=20 Rser=.5 Lser=20u
SYMBOL cap 336 240 R0
SYMATTR InstName C2
SYMATTR Value 1000?
SYMATTR SpiceLine V=250 Irms=20 Rser=.5 Lser=20u
TEXT -552 -128 Left 0 !k12 L1 L2 .98
TEXT -560 72 Left 0 !k34 L3 L4 .98
TEXT -552 232 Left 0 !K56 L5 L6 .98
TEXT -640 416 Left 0 !.tran 0 300m 0 10u
And
Version 4
SHEET 1 880 680
WIRE 16 -368 -112 -368
WIRE 112 -368 16 -368
WIRE 176 -368 112 -368
WIRE 304 -368 256 -368
WIRE 336 -368 304 -368
WIRE 464 -368 336 -368
WIRE 544 -368 464 -368
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WIRE 352 64 336 64
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WIRE 464 160 464 48
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FLAG 320 528 V+
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SYMATTR InstName L1
SYMATTR Value 20m
SYMATTR Type ind
SYMATTR SpiceLine Ipk=10 Rser=.5
SYMBOL ind2 -272 -48 R180
WINDOW 0 36 80 Left 0
WINDOW 3 36 40 Left 0
SYMATTR InstName L2
SYMATTR Value 40m
SYMATTR Type ind
SYMATTR SpiceLine Ipk=10 Rser=.5
SYMBOL ind2 -400 16 R0
SYMATTR InstName L3
SYMATTR Value 20m
SYMATTR Type ind
SYMATTR SpiceLine Ipk=10 Rser=.5
SYMBOL ind2 -272 128 R180
WINDOW 0 36 80 Left 0
WINDOW 3 36 40 Left 0
SYMATTR InstName L4
SYMATTR Value 40m
SYMATTR Type ind
SYMATTR SpiceLine Ipk=10 Rser=.5
SYMBOL ind2 -400 192 R0
SYMATTR InstName L5
SYMATTR Value 20m
SYMATTR Type ind
SYMATTR SpiceLine Ipk=10 Rser=.5
SYMBOL ind2 -272 304 R180
WINDOW 0 36 80 Left 0
WINDOW 3 36 40 Left 0
SYMATTR InstName L6
SYMATTR Value 40m
SYMATTR Type ind
SYMATTR SpiceLine Ipk=10 Rser=.5
SYMBOL diode -128 -288 R0
SYMATTR InstName D1
SYMATTR Value MUR460
SYMBOL diode 0 -288 R0
SYMATTR InstName D2
SYMATTR Value MUR460
SYMBOL diode 96 -288 R0
SYMATTR InstName D3
SYMATTR Value MUR460
SYMBOL diode -128 368 R0
SYMATTR InstName D4
SYMATTR Value MUR460
SYMBOL diode 0 368 R0
SYMATTR InstName D5
SYMATTR Value MUR460
SYMBOL diode 96 368 R0
SYMATTR InstName D6
SYMATTR Value MUR460
SYMBOL res 528 16 R0
SYMATTR InstName R1
SYMATTR Value 100
SYMBOL voltage -768 -160 R0
WINDOW 123 0 0 Left 0
WINDOW 39 0 0 Left 0
SYMATTR InstName V1
SYMATTR Value SINE(0 120 60 0 0 0)
SYMBOL voltage -768 16 R0
WINDOW 123 0 0 Left 0
WINDOW 39 0 0 Left 0
SYMATTR InstName V2
SYMATTR Value SINE(0 120 60 0 0 120)
SYMBOL voltage -768 176 R0
WINDOW 123 0 0 Left 0
WINDOW 39 0 0 Left 0
SYMATTR InstName V3
SYMATTR Value SINE(0 120 60 0 0 240)
SYMBOL res -464 512 R90
WINDOW 0 0 56 VBottom 0
WINDOW 3 32 56 VTop 0
SYMATTR InstName R3
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SYMBOL cap 320 -192 R0
SYMATTR InstName C1
SYMATTR Value 1000?
SYMATTR SpiceLine V=250 Irms=20 Rser=.5 Lser=20u
SYMBOL cap 336 240 R0
SYMATTR InstName C2
SYMATTR Value 1000?
SYMATTR SpiceLine V=250 Irms=20 Rser=.5 Lser=20u
SYMBOL ind 160 -352 R270
WINDOW 0 32 56 VTop 0
WINDOW 3 5 56 VBottom 0
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SYMATTR Value 200n
SYMATTR SpiceLine Ipk=10 Rser=,5
SYMBOL res 448 -192 R0
SYMATTR InstName R2
SYMATTR Value 1000
SYMBOL res 448 144 R0
SYMATTR InstName R4
SYMATTR Value 1000
SYMBOL ind 176 544 R270
WINDOW 0 32 56 VTop 0
WINDOW 3 5 56 VBottom 0
SYMATTR InstName L8
SYMATTR Value 200n
SYMATTR SpiceLine Ipk=10 Rser=.5
SYMBOL res 256 -144 R90
WINDOW 0 0 56 VBottom 0
WINDOW 3 32 56 VTop 0
SYMATTR InstName R5
SYMATTR Value 2k
SYMBOL res 256 16 R90
WINDOW 0 0 56 VBottom 0
WINDOW 3 32 56 VTop 0
SYMATTR InstName R6
SYMATTR Value 2k
SYMBOL res 256 192 R90
WINDOW 0 0 56 VBottom 0
WINDOW 3 32 56 VTop 0
SYMATTR InstName R7
SYMATTR Value 2k
TEXT -552 -128 Left 0 !k12 L1 L2 .98
TEXT -560 72 Left 0 !k34 L3 L4 .98
TEXT -552 232 Left 0 !K56 L5 L6 .98
TEXT -640 416 Left 0 !.tran 0 200m 0 10u