how to failure indution motor insulation & how to improve heat in motor insulation

0 Answers   BHL, EPIL, IFFCO, Micromax,

---

what is the working principle of soft-starter & how it diff. from VFD ?????????

5 Answers   L&T,

---

why are we using resistor in NGR ?

1 Answers  

---

If we connect capacitor in series DC supply so what happened?

4 Answers  

---

can a rotating machine give the DC output without commutator? if yes, how? if no, why?

6 Answers   BARC,

---

What is the difference between circuit breaker and isolator

0 Answers  

---

i have seen a picture of a power plant. in that pic. i saw chimney like giant structure which were spreading smoke like something...i want to know is it chimney or cooling towers, as my friends use to say.

2 Answers  

---

Hi,iam a diploma in electrical engineering.rtd from indian air force in apr 2007.prsently working in reliance next link as a network maintenance engineer since 2007,can i get a job in motherson sumi.

0 Answers   Motherson, Motherson Molds and Diecasting Ltd.,

---

how can we change the phase angle b/w two phase?

2 Answers  

---

what is the meaning of 1250 KVA Trasformer

2 Answers  

---

why core of transformer in square or rectangular why not in circle or ellipse if this what happens

2 Answers  

---

is it possible to flow a current between nutral and earth in a circuit? although nutral and earth having same potential diffrence? i=0/r=0A if any body now any solid reason because i am getting a triping problem in rcbo due to nutral and earth shorting???

2 Answers  

---