V23990-P543-*3* -PM
Switching Definitions Output Inverter
Figure 5
Output inverter IGBT
Figure 6
Output inverter IGBT
Turn-off Switching Waveforms & definition of tEoff
Turn-on Switching Waveforms & definition of tEon
120
200
%
IC
%
1%
Eoff
Pon
Poff
100
160
80
60
40
120
Eon
80
40
0
20
VGE 90%
VGE 10%
VCE
3%
tEon
0
tEoff
-20
-40
-0,2
0
0,2
0,4
0,6
2,6
2,7
2,8
2,9
3
3,1
time (us)
time(us)
Poff (100%) =
Eoff (100%) =
Pon (100%) =
Eon (100%) =
2,99
0,30
0,52
kW
mJ
ꢁs
2,99
0,31
0,24
kW
mJ
tEoff
=
tEon =
ꢁs
Figure 7
Output inverter FWD
Figure 8
Output inverter IGBT
Gate voltage vs Gate charge (measured)
Turn-off Switching Waveforms & definition of trr
20
120
Id
80
15
10
5
trr
40
%
Vd
fitted
0
IRRM 10%
-40
0
-80
IRRM 90%
IRRM 100%
-5
-120
-20
0
20
40
60
80
2,6
2,7
2,8
2,9
3
3,1
3,2
time(us)
Qg (nC)
VGEoff
VGEon
=
=
Vd (100%) =
Id (100%) =
0
V
300
10
V
15
V
A
VC (100%) =
IC (100%) =
Qg =
IRRM (100%) =
300
10
V
9
A
trr
=
A
0,26
ꢁs
70,94
nC
copyright Vincotech
20
Revision: 4
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