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UM0969 Folha de dados(PDF) 39 Page - STMicroelectronics

Nome de Peças UM0969
Descrição Electrónicos  3-phase motor control demonstration board featuring IGBT intelligent power module STGIPS10K60A
PDF  46 Pages
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Fabricante Electrônico  STMICROELECTRONICS [STMicroelectronics]
Página de início  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

UM0969 Folha de dados(HTML) 39 Page - STMicroelectronics

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UM0969
Power losses and dissipation
Doc ID 17665 Rev 2
39/46
8.5
Temperature rise considerations and calculation example
According to the previous mathematical formula, it is possible to simulate (with an accurate
software tool) the STGIPS10K60A performances, under certain application conditions.
Figure 17
shows the results (IC(RMS) current - which is related to the output motor power vs.
fsw) of the power loss simulations.
Figure 17.
Maximum IC(RMS) current vs. switching frequency
●
Condition: VPN=300 V, VCC=VBS=15 V, VCE(sat)=typical, switching loss=typical,
Tj=125 °C, Tc=see graph, Rth(j-c) = max., ma=0.8, PF=0.6, 3-phase continuous PWM
modulation, 60 Hz sine waveform output.
Note:
The above characteristics may vary in the different control schemes and motor drive types.
R6
0.432
C6
1.20E-2
R7
0.0123
C7
0.149E-2
R8
0.448
C8
0.809E-3
R9
1.66
C9
0.120
Table 10.
RC - Cauer STGIPS10K60A thermal network (continued)
RC - Cauer STGIPS10K60A thermal network
R
Value [ºC/W]
C
Value [W*s/ºC]



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