EV TECHNICIAN TRAINING
DC-DC aur 12V System
DC-DC converter, 12V output, light, horn aur indicator ki jaanch.
What You Will Learn
EV me main battery aur 12V accessories alag voltage par kaam kar sakte hain. DC-DC converter is power ko kam voltage me badalta hai.
1
DC-DC Converter kya karta hai?
High voltage se 12V kaise milta hai
DC-DC converter main battery ki voltage ko kam DC voltage me badal sakta hai.
Kai scooters me iska output lagbhag 12V system ke liye hota hai.
Isse horn, indicator, brake light, headlight aur doosre accessories chal sakte hain.
Har vehicle me DC-DC ka input aur output alag ho sakta hai.
Practical Tip:
Replacement DC-DC chunte samay input voltage, output voltage aur current rating dekhein.
2
DC-DC Output Test
Converter kaam kar raha hai ya nahi
Pehle DC-DC ke input aur output wire pehchanein.
Input voltage ko vehicle specification ke anusaar jaanchein.
Output voltage ko meter se measure karein.
Output nahi hai to input, enable wire, fuse aur ground bhi jaanchein.
Practical Tip:
Output nahi milne par turant DC-DC ko kharab na maanein. Pehle input aur enable signal jaanchein.
3
Horn aur Light ki Kharabi
12V saamaan ki step-by-step jaanch
Pehle supply aur ground jaanchein.
Fuse aur switch dekhein.
Connector me loose pin ya corrosion dekhein.
Load tak voltage pahunch raha hai ya nahi jaanchein.
Horn, bulb ya LED unit ki halat dekhein.
Practical Tip:
Kisi bhi 12V problem me supply, ground aur load — teeno ko alag-alag jaanchein.
Practical Checklist
DC-DC input jaanchein.
DC-DC output jaanchein.
Fuse aur ground jaanchein.
Horn/light connector jaanchein.
Load tak voltage pahunch raha hai ya nahi dekhein.
Safety First
DC-DC ka input traction battery voltage ho sakta hai. Input side ko 12V samajhkar kaam na karein.
Module Complete?
Checklist complete karne ke baad next module par move karein.
Training information is for general diagnostic learning. Always follow the vehicle and component manufacturer's specifications.