How a hybrid inverter works. PowMR inverter repair after failed testing. 

Special thanks to Mr. Vasyl for the electrical diagrams.
Useful links (Aliexpress)
✔ Transistors from verified sellers
MBQ60T65PES - IGBT t.ly/MBQ
G60T60AK3HD IGBT t.ly/G60
YGW40N65F YGW60N65F IGBT t.ly/YGW
NCE82H140 MOSFET t.ly/nce
NCEP15T14 MOSFET t.ly/Nce
IRFB4110PBF MOSFET t.ly/irf
🔌☀️ Solar hybrid inverters with MPPT.
Battery charge from the sun and the network. Adulteration.
Uninterruptible power supply. 🔌☀️
☀️Easun SMH 2.2-7kW 24/48V t.ly/Eas
☀️PowMr 1.5/3kW 12/24V t.ly/pw1
☀️PowMr 4.2/6.2kW 24/48V t.ly/pw2
☀️PowMr 10.2kW 48V t.ly/pw3
☀️ECGSOLAX 1.0/1.5kW 12/24V t.ly/Ecg
☀️ECGSOLAX 4.2/6.2kW 24/48V t.ly/EcG
☀️GROWATT 6.0kW 48V t.ly/Gro
☀️EPEVER MPPT control. 10-40А t.ly/Epe
📺 Playlist with video reviews and tests
solar hybrid inverters t.ly/Sol
🔌🔋 Inverters 12-48V/220V car. plan.
Nominal power is indicated. Clean sinus.
🔌 Worthy. 12-48V/220V/2.5kW t.ly/in1
Testing the 12V version t.ly/IN1
Testing the 24V version t.ly/IN2
🔌TOP DATOU. 12-48V/220V/2kW t.ly/in2
Video with tests t.ly/IN3
🔌DATE. 12V/220V/1kW t.ly/in3
Video with tests t.ly/IN4
🔌Baseus 12V/220V. 500W t.ly/in5
Video with tests t.ly/IN6
🔌 Budget. 12-24V/220V/1.5kW t.ly/in4
Video with tests t.ly/IN5
📺 Playlist with videos on inverters t.ly/inV
📟 Measuring and testing devices 📟
Clamp-multimeter HT208D t.ly/htd
UNI-T multimeter pliers t.ly/Uni
Thermal imager KAIWEETS KTI-W01 t.ly/KTI
Internal tester battery resistance YR1035+ t.ly/1035
Internal tester RC3563 battery resistance t.ly/RC3
Electronic load DL24 t.ly/DL2
Automatic battery tester EBC-A20 t.ly/ZKE
Automatic battery tester EBC-A40 t.ly/ZKe
Portable oscilloscope ET120M t.ly/osc
T7 transistor tester t.ly/tT7
HV transistor tester 120-2700V t.ly/tHV
📺 Playlist with videos on measuring devices t.ly/vym
🛠️ Tools and auxiliary equipment 🛠️
Laboratory power supply t.ly/lbp
Spot welding Docreate t.ly/wel
Dynamometric nozzle 2-200Nm t.ly/mxi
Digital microscope AD209 t.ly/ANd
Crimp for wires 6-50mm2 t.ly/50b
Hydraulic press 4-70mm2 t.ly/YQK
📺 Playlist with videos on instruments t.ly/Ins
⚙ Periphery ⚙
Wattmeter for a 220V outlet t.ly/Wtm
Din-rail wattmeter t.ly/DIN
Tips for the bolt t.ly/lug
Silicone wires 1-26AWG t.ly/Syl
Power wires pressed 0-8AWG t.ly/Dri
Anderson Power Connector t.ly/ande
Cigarette lighter 12V + USB t.ly/Soc
Soft start for pumps t.ly/Sof
AVR automatic generator t.ly/ats
Gas. generator carburetor t.ly/GAZ
Wi-Fi machine with wattmeter t.ly/Wif
📺 Playlist with videos on the periphery t.ly/Per
🛡⚡ DC protection and switching 🛡⚡
Automatic machine Tomzn 2P MC 100-250A t.ly/DCA
Automatic machine Tomzn 1/2P 100-250A t.ly/DCF
Automatic machine Tomzn 2P Din 80-125A t.ly/DCB
Automatic machine Tomzn 1P Din 80-125A t.ly/DCH
Automatic machine Tomzn 2P Din 3-63A t.ly/DCC
20-200A fuse + MIDI case t.ly/DCD
30-500A fuse + MEGA case t.ly/DCE
📺 Playlist with videos on DC protection t.ly/DCV
⚡ Chargers ⚡
Charger 12-200V 600W (regulation I,U) t.ly/cg4
Charger 12-220V 1.5kW (regulation I,U) t.ly/cg6
Charger 12V 6A t.ly/Cg1
Charger 12V up to 100A t.ly/cg2
Rechargeable 24V t.ly/cg3
Charger Liitokala 1.2-3.7V t.ly/cg5
📺 Playlist with videos on charging devices t.ly/cgv
🛡🔋 Battery protection boards (BMS) for Lifepo4, Li-ion, LTO 🛡🔋
JK (Jikong) BMS t.ly/JKB
JK (Jikong) BMS of the new generation t.ly/JKN
LCD displays for JK BMS t.ly/JKD
100Balance BMS t.ly/B100
Daly BMS t.ly/Dly
BMS 100A (aluminum substrate) t.ly/BMs
📺 Playlist with videos on BMS t.ly/BMS
🔋 Aliexpress, Alibaba Lifepo4 batteries 🔋
Lifepo4 battery 12/24V 100-300Ah t.ly/ak1
Lifepo4 battery 48V 5-15kWh t.ly/ak2
Lifepo4 cells EVE 90-310Ah t.ly/ak3
Lifepo4 33140/15Ah t.ly/ak4
Lifepo4 Alibaba EVE 50-280Ah offer.alibaba.com/cps/pi8je8b...
📺 Playlist with videos on LFP, etc. AKB t.ly/LFP
Support the channel t.ly/don
00:00 what happened
02:06 first repair attempt
22:03 inverter power circuit
58:50 second repair attempt
01:18:52 third repair attempt
01:59:15 complete diagram of the inverter

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