Why do we need interlocking in a HT metering or Ring main unit switchgear?

Why do we need interlocking in a HT metering or Ring main
unit switchgear?

Question Posted / y_dhruv

No Answer is Posted For this Question
Be the First to Post Answer

More Electrical Engineering Interview Questions

When we need start the motor by method of star delta which size (KW or HP)motor should must be operate in Star Delta Method,

While testing LA mast,What are the parameter limits ?

How is operate breaker failure scheme in substation

neutral earth resistance testing is it possible for transformer while in load condition

Brief working principle of stabilizer,application & safety precautions

what will happen if we double the input frequency of a transformer keeping the voltage constant?

how to calculate the input current in singel phase and 3phase supply to 5kva ups

what is the conductor size in 33/11 kv line

How can we measure the residual voltage in dc machines?

What is difference between 220v/50Hz & 120V/60Hz?

what is effect of length of air gap on performance of dc motor and generator?

what is effect of reverse c.t connection on metering.

For more Electrical Engineering Interview Questions Click Here