#287 nverter IGBT Welder Machine (Part -2) Output Rectifier Circuit Explained & Troubleshooting

in this video i discussed the circuit diagram and how to repair and troubleshoot inverter IGBT based welding machine. in this section i discussed the high frequency ferrite core high current transformer and the output rectifier circuit. the smps transformer takes input drive from IGBT transistors and the center tapped secondary is connected the molded D92-20 rectifier set connected in parallel. there is a shunt which is used as a current sense. the SG3525 IC provides a drive signal to the IGBT gates through gate driver network. this china MMA-200T Inverter IGBT Welder Machine - Circuit Explained & Troubleshooting Part -1, is single phase 220 VAC operated. it have a bridge rectifier which rectifies the main ac voltage into dc voltage, which are connected to pair of dc capacitors through a relay contacts and in parallel 110 ohms ntc resistor. this nts protects from inrush current and upon receiving relay drive signal it switches the rectified voltage to capacitors so, the ntc is bypassed to get full current to drive igbt. after watching this video you will learn:- how to #repair #inverter #igbt #welding machine or welder 2. functional description of inverter igbt welder machine 3. how to troubleshoot arc welding machine 4. how to understand mma-200 circuit diagram and how it works 5. if welding machine does not work, how you will repair 6. if main circuit breaker trips off when power switch is turned on 7. over current OC LED light turns on SMPS practical tutorial    • How SMPS Works || Understanding SMPS Switc...   SMPS tutorial and practical troubleshooting and fault finding    • Video   Youtube    / @haseebelectronics   https://www.dailymotion.com/haseebelect/ facebook   / haseebelect   Twitter   / haseebelect     / haseebelect   Types of Electrical and Eletronics Ccts    • Video   Test Diode With Multimeter    • Video   Check Resistance    • Video   Check Resistance    • Video      • Voltage divider circuit Practical   how to repair switch mode power supply,switching mode power supply,smps,switching mode regulator,very easy repair of SMPS,switching mode power supply tutorial,basics of switching mode power supply,smps tutorial,how to repair switching mode power supply,basic working of switching mode power supply,how to repair smps,how to repair switch mode power suppies,how smps work,how switching mode power supply works,haseeb electronics,chowk azam,urdu,hindi mma-200 welder,mma-200 inverter welder circuit diagram,mma-200 inverter welder manual,inverter welder circuit board,dc inverter arc welder circuit diagram,inverter welder circuit diagram,how to repair igbt welding machine,inverter welding machine,inverter welder,inverter welder how it works,inverter we,igbt module welder,output rectifier in welder machine,inverter welder transformer,arc 200 welding machine igbt inverter welder,output rectifier circuit,explained