Trouble shooting of QOP safety relay
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- Опубликовано: 10 апр 2023
- In this video you will learn about QOP -1 / 2 relay and trouble shooting of QOP -1 / 2 relay dropping
Three Phase Electric Locomotive :
• Total knowledge of VCD...
Conventional Locomotive :
• DJ Control circuit... ...
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Bahat accha video bante hai sir aap apki awaj clear hai bahat bahat knowledge hai aap ke paas thanku hum jaise naye convertion batch ki bahat maddad hoti hai
Very good sir.
Nice sir.. Keep it up. 🎉
Thanks sir🎉
Nice sir🙏🙏
Sir,battery voltage110v hota hai ,50v dc keon kaha gaya hai. If,line contactor is closed and traction is not taken QOp will drop or not.
Agar negative side se hai to parmanent drop rahega..