Answer Posted / raghu

scientific name is askarol,fluid is pyraclor.

75 kw motor take 45 amp in no load delta in star 10 amp but in load it will take 160 amp but IR velue of winding above 500 at 1kw ph to earth and ph to ph. what problem it should be?

3728

---

What is main cause of cable's terminal point burned in Lug on high temperature although lug and cable selection is ok as per stantard and also tightness is ok as per situation. so please take in deep and tell correct answer thanku.

8297

---

why single CT used in DOL starter power circuit?

2528

---

Use of switch mode power converter in real-time basis?

1178

---

why we are using earth pit in sub stations.?

2171

---

What is the minimum underground tank size capacity considered for firefighting purpose?

1962

---

what is metering cum synchronizing panel and how it is used?

4650

---

Define liftable weight of a transformer? Does the total weight of transformer include oil weight?

2495

---

What will be the impact on motor performance if a LT motor is rewound with changed motor winding data as given below:- Original winding data: total 04 wires = 02 wires of 17 SWG + 02 wires of 16.5 SWG. Changed Winding data: total 03 wires of 15.5 SWG wire size Motor rating: 160KW, 740RPM, 415V, ID FAN application. Normal Running Current = 95% of FL Current.

2046

---

how to calculate the mesh earth network resistance in such substation, is there any recommended resistance values with references , thanks!

2340

---

how to revers the direction of single phase motor

964

---

Whether it is possible to measure energy at the input of rectifier transformer (12 pulse with very high odd harmonics)

1908

---

pls tell me about ups internal connection & we have given only 3 phase supply to ups system how get 4 wire (R Y B N )

2761

---

how to calculte capacitor range for single phase induction motors??pls tel

2131

---

In parallel operation time both NGR’s close or not close if both close what will happen

3733

---