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

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(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

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(W

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Po(kW)

90

92

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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