Thank you very much. i found the solution for the problem of my avr. right now i am having 5 avr s to repair. i studied the circuit and i came to know it is a SCR with in side a diode. diode is ok and the problem is from scr. i bought a suitable scr from the market and fixed it separately...
Thank you sir. in this part u can see 5 pins. 4 and 5 is working as a rectifier. 1 & 2 is reading in both way and 3 is not connected to any pin. someone told me 4 & 5 inside rectifier and 1,2,3 pins inside is a SCR.
that's y still i have a doubt. d u have a schematic diagram for...
Dear friends,
this is VR3F Caterpillar AVR unit. can anyone say what is this black coulour part fixed here. i searched everywhere couldn't success. this part is not working.
Dear Mr. IBRCAN 2 generators are using separately and as u said these fuses are using the sensing leads. im and electronic technician too and myself i checked the avr today and i found out one transister and 3 phase bridge rectifier not working properly. i will buy it tomorrow and tell u if im...
Dear friends i am new guy for this forum and right now im repairing 2 catepiller generators which are having VR3 - SE AVR Unit. both units having 2 fuses fixed outside and both fuses are blowing when the generator starts at once.
if anyone having experience about this problem pls let me know...
