Answer Posted / nidhi

to avoid high losses in case of not full load supply. when
smaller amount is required then it can be connected to that

What are the basic & Majour problems in UPS ?

2071

---

When we have earthing mesh or underground earthing network in industrial plants, weather we have NT-S or NT-C-S kind of earthing system, so eventually weather we must use 4 or 5 wire in 400 volt level (For example 3×150+70 mm2 or 5×150 mm2) in this connection I would like to know exactly the paragraph of IEC or IEEE number

2100

---

How to calculate the current of Highpressure Mercury Vapour Lamp?what is the basis?whether we have to consider power factor or not?

2082

---

what will happen if there is a voltage leakage or current leakage in an electrical train

1946

---

Explain about how is it working Earth fault'relay and wahts the resistance value of earth bed

1470

---

wht is embedded systems? what is new inthis field?

1949

---

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.

2245

---

draw the restricted earth fault protection circuit install on power transformer and identify its parameters and draw C/C curve of it

2665

---

What are protections for dty type transformers

1771

---

Is there any relevant technique to produce power from light and heat energy of the sun simultaneosly from same rays of light?

1823

---

please explain to me how to calculate current,voltage,resistance with formula??

1380

---

what is the difference b/w UHVDC and HVDC(LIGHT)?

6569

---

What is mean by hot and cold loop testing?

1039

---

is it possible for different brand of H.V transformers to run or operate in parallel to each other? if so how much disturbance can this affact the H.V bus bar?

2077

---

For some transformers we are using solid neutral earthing while some others we are using resistance earthing why ?

1855

---