why ac supply neutral should earth not in dc (-)

2 Answers  

---

in dc shunt motor if armature wdg is open then

1 Answers  

---

what is the function of fire alarm system?

5 Answers  

---

What is the difference between LT & HT Cable

4 Answers   ETA,

---

is it value of power factor is more than unit. whats effects in the source supply

0 Answers  

---

---

What is an automatic controller?

0 Answers  

---

Can any one provide the inspection procedure of MIMIC for VFD panel? Details: If someone wants to have a mimic in the VFD panel what are inputs considered for the mimic(like on,off,trip) whether we are able to add speed variation in the mimic(if so how can we get) and what are the parameters to be checked in the MIMIC during inspection?

0 Answers  

---

What do you mean by transformation ratio of instrument transformer?

0 Answers  

---

What is derating?, Why it is necessary, it is same for all means for drives, motors,and cables.

1 Answers  

---

what is the internal fuction of a ceiling fan?

2 Answers  

---

WHAT ARE THE FACTORS REQUIRED FOR SELECTION OF TRANSFORMER RATING?

13 Answers   Tech Mahindra, Technip,

---

why the rotor current becomes in steady state during high slip region? please verify with equations.

0 Answers  

---