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DIPIPM+ Series Application note
3.2.2 DIPIPM+ performance according to carreir frequency
Fig.3-2-2 shows the typical characteristics of allowable effective current vs. carrier frequency under the following
inverter operating conditions based on power loss simulation results for DIPIPM+ 1200V series. And Fig.3-2-3
shows for PSS50xC1F6.
30
25
20
15
10
5
0
0
40
35
30
25
20
15
10
5
0
0
Fig.3-2-2 and Fig.3-2-3 show one of the example of estimating allowable inverter output effective current with
different carrier frequency and allowable maximum operating temperature condition (T
results may change for different control strategy and motor types. Anyway please ensure that there is no large
current over device rating flowing continuously.
Publication Date: September 2016
5
10
Carrier Frequency [kHz]
Career Frequency [kHz]
Fig.3-2-2 Effective current-carrier frequency characteristics
5
10
Carrier Frequency [kHz]
Career Frequency [kHz]
Fig.3-2-3 Effective current-carrier frequency characteristics
[Calculation condition for PSSxxxC1FT]
V
PSS05xC1FT
V
PSS10xC1FT
T
j
R
PSS15xC1FT
P.F=0.8, 3-phase PWM modulation,
PSS25xC1FT
60Hz sine waveform output
PSS35xC1FT
15
20
[Calculation condition for PSS50xC1F6]
V
PSS50xC1F6
V
T
j
R
P.F=0.8, 3-phase PWM modulation,
60Hz sine waveform output
15
20
43
=600V, V
=V
=15V,
CC
D
DB
=Typ., Switching loss=Typ.,
CE(sat)
=100°C, ΔT
=125°C, T
c
j-c
=Max.
th(j-c)
=300V, V
=V
=15V,
CC
D
DB
=Typ., Switching loss=Typ.,
CE(sat)
=100°C, ΔT
=125°C, T
c
j-c
=Max.
th(j-c)
=100°C. T
=125°C). The
c
j
=25K
=25K
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