Answer / nilkanth tailor

bY KEEPING FREQUENCY CONSTANT, THIER IS ONLY ONE WAY TO
INCREASE OR DECRASE THE SPEED...SUPPOSE WE HAVE f=50Hz and
N=9000...thean no pole equlas to P=120*f/N...but we got
answer is 0.66pole which is not possible...so i think we
have to incraese freq to get speed high...up to 9000...

Answer / meenakshi

u gotta increase the frequency from 50Hz to greater than
150Hz. am telling for 2 pole.but i dont think this is
practically possible.

Is Indian railway uses 25000v ac or dc?

7 Answers  

---

What is fault level? How can be calculate the fault level?

1 Answers  

---

what is difference between vaccum circuit breaker and air circuit breaker?

2 Answers  

---

Why IGBT is very popular nowadays?

3 Answers   TVS,

---

Do you know the alignment of a motor?

8 Answers   Reliance,

---

---

What are IP protections used for electrical panels, JB, equipments installed in explosive zones like Petrochemicals, Oil & gas

0 Answers  

---

How to design harmonic filter at the project stage without nowing the harmonics levels

0 Answers  

---

what is the difference between rectifier and converter and commudator?

0 Answers  

---

what is difference between c-power & u-power air circuit breaker?

2 Answers   Areva, IIT, Marine Electricals,

---

does any one know where we can purchase insulation oil for high voltage oil filled cables

0 Answers  

---

What are the essential parts of a transformer?

2 Answers   NIT,

---

why transmission lines traveled in high voltage?

5 Answers   TATA,

---