is it possible to run a dc motor on ac supply with good performance.....?

3 Answers  

---

what shoud be strength and weakness to impress interviewer????????

0 Answers  

---

what is difference between neutral and earth

5 Answers   HP,

---

which type of material is used to transformer laminated core?

6 Answers  

---

what type of relay has to be used for tripping the circuit from mains when a fault occur in a machine

3 Answers  

---

How can calculate ups battery back up time?

25 Answers   Cisco, Cooper, Pronet, Wipro,

---

We know that, in case if there is a faulty insulation,or sc, the current is bypassed to earth through the earth wire that has low resistance.Actually, what will happen to that current that flows through gnd?In that case,if we come in contact with that faulty appliance, wont that current flow through us as we form a closed path by standing in gnd?Is grounding a safety measure?

3 Answers  

---

what is phase to phase fault? what is line to line fault?

6 Answers  

---

If I want to replace a 26KW Slip ring Motor with a Squirrel Cage motor & Drive (for a Hoist Application). How can I approximate the Motor & Drive HP required in new Setup.

0 Answers  

---

why is using sensor?what is differece between photoelectric and proxmitty?

0 Answers  

---

how fault in an electric system is detected & hw protection of equipments is done ?

6 Answers   NTPC, RLY,

---

Show the schematic arrangement of diesel power station layout and give its principle of operation.

0 Answers  

---