why does a dc machine has high efficiency while working as a generator than as a motor

1 Answers  

---

What is difference between Over Current & Earth Fault protection?

0 Answers   ABC,

---

WHAT IS THE DIFFERNCE BETWEEN AIS AND GIS IN SWITCH GEAR?

5 Answers   L&T,

---

what happens in a genarator when rotor supplied with ac instead of dc

3 Answers  

---

Logic using 1 kV or 1,1 kV grade in house wiring Low voltage cable. Explain/suggest? some use 1kV and some prefer 1.1kV grade insulation low voltage cable why??

0 Answers  

---

What will happen if induction motor is supplied with capacitive load?

1 Answers   NTPC,

---

What are the basic elements used for modeling mechanical rotational system?

0 Answers  

---

WHAT IS MVA RATING OF KOTHAGUDAM THERMAL STATION POWER TRANSFORMER?

2 Answers   CESC, Power Grid,

---

Tell me about Simence PLC 'BLOCK'.How many types and what for.

1 Answers   Gurit,

---

The power supplied to a 33microF capacitor from a 120V, 60Hz source will be

0 Answers  

---

Is it possible to run HT motor through LT VFD (LT VFD supply given to Transformer LT side and transformer HT side connected to motor)

1 Answers  

---

in domestic service connection,what is service main?

1 Answers  

---