In what situations relays are used in Circuit breaker? In Above what rating of Circuit breaker the relays are used? Why relays are not used for CB like MCB?
No Answer is Posted For this Question
Be the First to Post Answer
Why there is not any reactive power in DC although it causes magnetic field.
Explain the different methods used in the choice of rotor slots for reduction of harmonic torques in an induction motor.
what is the function of supervison relay?Draw its wiring diagram.
2 Answers IBM, R.R. ISPAT LIMITED,
What is the high tension lines voltage and low tension lines voltage?33 kv is high tension line or low tension.
What is function for Load Bank test and why need to test.
Briefly describe three methods that are usually used by electricity suppliers to control voltage levels?
What is the disadventage of gland earthing(power cable) if any. ?
The Q-facr o of a coil given as wL/R. what will be shape of Q versus frequency graph.
Why does an induction generator is preffered as compared to synchronous generator in especially a wind energy power production project?
In Fluorescent tube there is a writing like 6500k . what this 6500k represents?
What is the comparison between 30mA DP RCCB and 100mA DP RCCB and can replace it against 63A MCB
What value of resistance required between Saftey earth and instrunment earth , maximum and minimum values required