dc-ac 3-phase 3-wire inverter vo=200v po=5kw · dc-ac 3-phase 3-wire inverter vo=200v po=5kw input...
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P. 0 © 2018 ROHM Co.,Ltd.
DC-AC 3-Phase 3-Wire Inverter Vo=200V Po=5kW
Input : Vin=200Vdc+200Vdc
Output : Vo=200Vac
Po=5kW
Gate Drive : Vd=18V
R source=2Ω
R sink=1Ω
Q1~Q6 : R6076MNZ1
MOSFET(600V 76A)
L1~L3 : 1mH
Tj=100℃
DC-AC 3-Phase 3-Wire Inverter Vo=200V Po=5kW Simulation Circuit
Io1
Io2 Io3
IL1
IL2
IL3
P. 1 © 2018 ROHM Co.,Ltd.
Simulation Waveform
IL, Vo, Io (0~20.0ms) Expansion (11.0m~11.2ms) Vin=200Vdc+200Vdc Po=5kW Vo=200Aac Tj=100℃
(11.0m~11.2ms)
Red : IL1(A)
IL(A)
Vo(V)
Io(A)
Green : IL2(A)
Blue : IL3(A)
Red : Vo1(A)
Green : Vo2(A) Blue :
Vo3(A)
Red : Io1(A)
Green : Io2(A) Blue :
Io3(A)
IL(A)
Vo(V)
Io(A)
Red : IL1(A)
Green : IL2(A)
Blue : IL3(A)
Red : Vo1(A)
Green : Vo2(A)
Blue : Vo3(A)
Red : Io1(A)
Green : Io2(A)
Blue : Io3(A)
P. 2 © 2018 ROHM Co.,Ltd.
0
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0 50 100 150 200 250
Po
wer
Dis
sip
ati
on
(W
)
Vo(Vac)
90
92
94
96
98
100
0 50 100 150 200 250
Eff
icie
ncy (
%)
0
10
20
30
40
50
0 1 2 3 4 5 6 7
Po
wer
Dis
sip
ati
on
(W
)
Po(kW)
90
92
94
96
98
100
0 1 2 3 4 5 6 7
Eff
icie
ncy (
%)
Efficiency, Power Dissipation 1
Pd(W) Power Dissipation
Po : 2kW~6kW Vin=200Vdc+200Vdc Vo=200Vac Tj=100℃
Efficiency : 100×Po/Pin
Efficiency (%)
Efficiency : 100×Po/Pin
Pd(W) Power Dissipation
Vo : 85Vac~200Vac
Efficiency (%)
Vin=200Vdc+200Vdc Po=5kW Tj=100℃
Q1~Q6
Q1~Q6
P. 3 © 2018 ROHM Co.,Ltd.
0
10
20
30
40
50
-40 -20 0 20 40 60 80 100 120 140
Po
wer
Dis
sip
ati
on
(W
)
Tj(V)
90
92
94
96
98
100
-40 -20 0 20 40 60 80 100 120 140
Eff
icie
ncy (
%)
Efficiency, Power Dissipation 2
Pd(W) Power Dissipation
Tj : -25℃~125℃ Vin=200Vdc+200Vdc Po=5kW Vo=200Vac
Efficiency : 100×Po/Pin
Efficiency (%)
Q1~Q6