Trouble shooting of QOP safety relay

[@ks-cz7ek]

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

[@M.UAnsari]

Very good sir.

[@vishnumanipatel4909]

Nice sir.. Keep it up. 🎉

[@surendrababu5953]

Thanks sir🎉

[@classicdays2271]

Nice sir🙏🙏

[@M.UAnsari]

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.

[@Knowledgegain82]

Agar negative side se hai to parmanent drop rahega..