Axpert Max 7200 - Check the Boost on Mppt Board

维修手册
专案名称：
Axpert Max 7200-48
专案编号：
P1911061
修订版次：
00
PAGE
V-RDP-004-73 A
values
D15 Diode + to -: 0.429V
- to +: OL
Short or explosion
3.7 Check the Boost on MPPT board
Power devices
Boost IGBT Q2/Q5 and Diode D1/D24
The D1and D24 are (30DQ60BG 30A 600V TO-247)
The Q2 and Q5 IGBT are (STGW80H65DFB 80A 650V N BULK TO-247)
Parts Attribute Reference values Failure status
Q2, Q5 Resistor GE: 41.17k
GC: 233.5k
EC: 183.5k
Short or explosion
Diode EC: 0.382V
CE: OL
D1,D24 Diode + to -: 0.381V
- to +: OL
Drivers
The D3 and D25 are (1N4148W 0.15A 75V SMD)
The R10 and R71 are (30R 1206)
The R11 and R69 are (47R 1206)