when a primary current injection test is required, it is
accomplished by what?
Answer Posted / arvind negi
Primary current injection test require at circuit
protection equipment throw.
Is This Answer Correct ? | 0 Yes | 2 No |
Post New Answer View All Answers
How many VSC based HVDC are there in India and the world
While converting delta into star or star into delta ,the three values of resistances remains unchanged .Find out the value?Let In star R1=x;r2=x;R3=x On converting into delta,R12=x;R23=x;R31=x Find the value of x
In ups static switch if i gives the supply at output end it will open the circuit in stactic switch or not if it will open then how it operates.
what's prime importance of protection in electrical system.if protection system don't work properly what can happen in electrical system?
what is the function of choke in the flourcent tube lights and why the colour is in white mostly in flourcent tube lights
A powerplant has 8 gensets operating in grid parallel mode. In one genset sometimes there is pf variation and kvar variation. The plant operates in pf mode. When this variation is observed the load is stable, voltage is also stable, freq and genset speed is also stable. How will you check the functioning of pf card. What shall be the ideal output vdc of the pfc, from there it is input to AVR?
sourse is 66 KV / 350 MVA, transfarmer is 1000 KVA 6.6 / 0.415 kv, iF fault is 28.75 MVA on 0.415 KV Bus then calculat the Transfarmer Impidance
how to calculate compresor capacity?
If we have use two power cable for incomer, that time how many use cbct for earth leakage protection? 1 or 2 if 1 way? If 2 way?
What types of CMOS memories have you designed? What were their size? Speed? Configuration Process technology?
What will happen to the protection and metering, if the polarity of a single or two PT/PTs in three phase system is reversed? Please provide reference if any.
List examples of voltage source?
how can service sitting be setted for MCCB?Example for sittings IR (CURRENT RATING),IS(CURRENT STARTING)IO (current operating)?
what is the IPC ? & what the uses ?
What current flows in the transformer primary when its secondary is open?