Answer / navyasree

This test is similar to open circuit test on a
transformer.During this test ammeter, voltmeter,
wattmeter readings are noted.formula for the induction
motor in no load condition in star or delta is
Wi=W1+W2 Wi=sqr(3)VIocos(pi0)

Why can't we take NO LOAD TRIAL of motors having V1 mounting??

0 Answers  

---

how to calculate efficiency of voltage and current controlled welding transformer?

1 Answers  

---

If a current -8+6sin6t is flowing three ammeter, one is a centre zero PMMC meter, one is true rms meter and one is moving iron meter. What are the reading of these three meter respectively?

0 Answers   National Insurance Company Limited,

---

What is a copper loss or i2r loss pc?

0 Answers  

---

As a good company employee, can you report your supervisor to the company management if he or she is going against the company interest in his or her actions?

3 Answers  

---

---

What types of high speed CMOS circuits have you designed?

0 Answers   Ansal Housing, IBM, Intel,

---

What happen Grid EARTH plat got cut.

0 Answers   Zuari,

---

how can we change the supply frequency?

8 Answers   Areva,

---

hi frnds what is meant by harmonics & what is meant by third hormonics,where its will occur ?thank u

0 Answers  

---

why it is important to earth neutral of 3 phase transformer?

9 Answers   IBM, ITC Indian Tobacco Company, RRB, UDS,

---

What are the disadvantges of leading power factor

5 Answers  

---

I have recently seen a transformer which had two primary terminals and was connected between two lines,i would like to know what kind of transformer is it?short discription about it,any advantages,purpose of usage of the same.............

8 Answers  

---