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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 6950how 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 4412In 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?
2270One 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 means
1 5832What is meant by the KA-rating of a circuit breaker? In this regard, discuss the stresses experienced by the circuit breakers
3 14004How 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 relay
1 4117Post New Electrical Engineering Questions
Hi everyone, I'm Lachuu, recently joined automation company as PLC Engineer. I have certain basic question, I request all big gurus and seniors to answer these question. Because this will be very helpful to me as well starters like me. How to design a control circuit (ex: pick & place - my current project) Yamaha robot PxYx series controller RCX222, using 6 cylinder double acting, plc keyence kv p16r 2 expansion unit for input and output each. How to select panel terminal mcb elcb powersupply. My main concern in some projects how to select dc power supply, mcb rcb(I came across dif bt b c d curves, but stil confusing, pls help me :-(. I would really appreciate all who are going respond to this question.
what will happen if ac and dc supplies given
how to meas-our losses for L.T & H.T
why are the maintaine power factor and how can this control and this is how work.
how to prepare the technical test
Starting Time of LT & HT Motor
What is the tipical Online UPS input voltage for 20 KVA load ( 3 Phase or 1 Phase )? Why ? Explain it...?
The slip during plugging operation is given by= A 1-s B 2+s C 1+s D 2-s
HOE WE CAN IMPROOVE BY USE OF CAPACITOR
What is meant by reset level of the relay?
Draw transformer phasor diagram.(full load,no load)
how to handle 2500 kva transformar
what is charger supervision and control supervision?
how to calculte capacitor range for single phase induction motors??pls tel
what mean by analog ,digital,numerical meters and relays? say the example?
