Does RCCB do the job of MCB? Lets take 16A RCCB. it trips when residual current exceeds 30mA. does it trip in an over current situation, i.e when current exceeds 16A ??2 4612
how to calculate voltage drop in long distance cable? for an e.g lamp of 12 volt ac ,300watt is 90 meter away from supply i.e (x'mer 230 v / 12v)and i m getting 8 volts at lamp terminal ....1 2726
In between UPS out going changer over switch and ups raising main input, both side cable gland producing heat but the cable doesn't get heat,Why?884
One of the advantages of HRC fuse links is that they can be used to back up equipment with an inadequate rupture rating. briefly discuss what this means1 3815
What is meant by the KA-rating of a circuit breaker? In this regard, discuss the stresses experienced by the circuit breakers3 10339
WHAT IS THE DIFFERENCE BETWEEN KW AND KVA ?10 26476
In Battery Charger - What is the meaning of End Cell Voltage and Float Voltage.8 27336
How to Calculate the maximum Demand required for a connected load for a manufacturing Plant6 67545
How to connect a Restricted earth fault relay for 2000KVA,11/0.433 KV Distribution Transformer and What is the neutral CT ratio should be selelcted for 2000 MVA Transformer for estabilishing the Restricted earth fault relay1 2181
If we need4× 50mm sq cable but it's not available so we can pull 4×25mm sq 2cables
How would your past experience translate into success in this job?
What are the section criteria for cables. Now everywhere XLPE power cable is used or PVC is also used?.
WHAT IS DOL STARTER? HOW IT WORK? GIVE ITS CONTROL AND POWER DIAGRAM .
what is the transmission loss for electrical supply? specifically a large shopping complex where the grid is half KM away, what will the % of transmission loss? is there any transmission loss for captive unit generation for above set? thanks
How out of step protection relay works?
Why choke coil is connected in series with starter in tubelight??why starter is connected in parallel to tubelight??
what is the function of impulse relay
In Power cable specification what is U0/U and Um.
I have doubt that the supply HZ (very low or high than rated ) may affect the power factor. is it true. ?
how to test reverse power trip?
what is control supply rating of a machine
1.what is difference in maintain Hz again Hz in USA ? 2.how to calculate the battery AH? 3.why are yearly maintained in transformer how many tests in required?
what is the profesional board for electrical engineer what is thepast and during construction for electrical engineering
What is the effect of atmospheric pressure & Temp; on efficiency of motor? Why NGR(Neutral Grounding Resistor) is used in 132/11 KV Transformer & how? What is the use of Auto T/F in Grid Station?