VCB Vacuum circuit breaker operation-working and construction in Tamil

Time stamp
0:06 Intro
0:07 Video index
0:18 Video trailer
0:46 Application of VCB
1:02 VCB working principle with short explanation
3:14 How to fix VCB in panel
4:08 VCB parts and function
8:51 VCB how to connect with panel
10:02 VCB Safety measures
11:47 VCB operation-Rack in/Rack out
14:02 Conclusion
15:03 Next video
15:38 Thank you

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In this video following topics are explained in Tamil with real images and experiences
1.Purpose of VCB-Medium voltage equipment's like 11 KV to 33 KV-
2.How VCB Fixed and moving contact will operate during switching and how arc will capture during breaker operation-Arc quenching medium Vacuum 10⁻⁶ torr
3.How to fix VCB in high voltage-HT panel
4.VCB internal parts and purpose-Shunt coil,close coil,Spring charge motor,Vacuum interpreter
5.How connect VCB with panel busbars
6.Before VCB Operation safety measures-Arc flash suit,breaker status...
7.VCB rack in rack out procedure
8.How to use double pit key,Spring charge key & Rack in rack out key
9.How to use Panel accessories for breaker operation
10.How manually operate VCB

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