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| 70-W212NMA400NB02-M209P62 Datasheet, PDF (24/30 Pages) Vincotech – High power screw interface | |||
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70-W212NMA400NB02-M209P62
Switching Definitions Half Bridge
Figure 8
Turn-on Switching Waveforms & definition of tQrr
(tQrr = integrating time for Qrr)
150
Neutral Point FWD
%
Id
Qrr
100
tQrr
50
0
-50
-100
2,95
3,1
3,25
3,4
3,55
3,7
3,85
time(us)
Id (100%) =
Qrr (100%) =
tQrr =
400
A
30,81
µC
0,54
µs
Figure 9
Neutral Point FWD
Turn-on Switching Waveforms & definition of tErec
(tErec= integrating time for Erec)
125
%
Erec
100
75
tErec
50
25
Prec
0
-25
2,95
3,1
Prec (100%) =
Erec (100%) =
tErec =
3,25
280
7,81
0,54
3,4
3,55
kW
mJ
µs
3,7 time(us) 3,85
Measurement circuits
Figure 10
Half Bridge stage switching measurement circuit
copyright by Vincotech
24
Revision: 1.2
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