Deye SUN-5K-SG Reparatiehandleiding - Pagina 13
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5KW Storage Inverter Repairing Guide
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D
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G
D
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G
D
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If the IGBT is damaged, the corresponding drive also needs to be measured or replaced
directlyas shown in diagram below.
Example of the following diagram, the following device is: R? 10R0 resistance; Q; U?
To drive optocoupled, pay attention to the direction. The points on the device are in the
same direction as the white dots on the board. And there is one end of the three feet
close to the IGBT. Ensure that all damaged IGBTS are replaced.
AC Bridge
0.450
0.405
S
0.405
0.450
D
0.450
0.405
G
0.450
s
0.405
0.405
D
0.450
G
0.450
0.405
A
0.450
K
0.405
A
K
0.450
0.405
G
0.585
D
0.435
S
G
0.585
D
0.435
S
G
0.585
D
0.435
S
G
0.585
D
0.435
S
G
0.585
D
0.435
S
G
0.585
D
0.435
S
G
0.585
D
0.435
S
G
0.585
D
0.435
S
s
0.435
D
0.585
G
s
0.435
D
0.585
G
s
0.435
D
0.585
G
s
0.435
D
0.585
G
DC-DC