V23990-P545-*2*-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
175
Pon
%
IC 1%
%
150
125
100
75
100
Poff
Eoff
80
60
40
20
0
Eon
50
25
VGE 90%
VGE 10%
VCE
3%
0
tEoff
tEon
-20
-25
-0,1
0
0,1
0,2
0,3
0,4
0,5
2,9
3
3,1
3,2
3,3
time (us)
time(us)
Poff (100%) =
Eoff (100%) =
Pon (100%) =
Eon (100%) =
5,99
0,65
0,51
kW
mJ
ꢁs
5,99
0,43
0,19
kW
mJ
ꢁs
tEoff
=
tEon =
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
0
fitted
IRRM 10%
-40
0
-80
IRRM 90%
IRRM 100%
-5
-120
-50
0
50
100
150
200
3
3,1
3,2
3,3
3,4
Qg (nC)
time(us)
VGEoff
VGEon
=
=
Vd (100%) =
Id (100%) =
0
V
300
20
V
15
300
20
V
A
VC (100%) =
IC (100%) =
Qg =
IRRM (100%) =
V
21
A
trr
=
A
0,19
ꢁs
174,72
nC
copyright Vincotech
20
Revision: 4