Answer Posted / shekhar

syn. generator is not self starting in it the rotor runs at
syn speed=120*f/p damper winding or pony motors are used to
start.
while asyn. gen is nothing but ur induction motor at
supersynchronous speed(above syn speed) it is self starting

What is meant by reverse polarity and how it can be fixed?

1194

---

12.5 tons a/c is their how much kva generator can recommend to the customer.

1952

---

Can we check ELCB constantly from R1 to R8 phase in 1 no DB?

1638

---

Why High voltage are generate noise ?

1435

---

technically, what is the reason behind starting the motor star the delta connection .. and what other ways to do this rather than using " star-delta transformer"

1920

---

how can we understand that where we have to use ac or dc coil for solenoid valve and why?what is the different between coil of ac and dc explain please.

1928

---

Describe Non I.S. Earth System and why is it used?

1725

---

what is kondo syatem in eletrical traction

2095

---

electromechanical relay type identification example : type=tjmh t-stants for j- m- h-

2381

---

what id a dry type transformers and its function ?

1712

---

What is servo lock in CNC how they work and if any parameter for them in CNC machine

5300

---

What is the exact minimum vale of voltage between an earth and netural which can damage or can do malfunction of the electronic equipments ? If this is mentioned in any book, pl.give reference.

2217

---

Would you recommend to replace all oil filled cables with xlpe cable for hv transmission with the current technolgy for xlpe cable?

1430

---

The 3 phase 400 hp 440 volt slip ring induction motor do not take one phase amps why ? The motor is running good condition

1843

---

what is the use of current transformer in power transformer secondary side.?its connectyed in WTI

1666

---