Answer / mathew

63A

why grid frequency varry time to time?

2 Answers  

---

what is the difference between gsm and cdma??

2 Answers   QMS, Vedanta,

---

How CT is connected to measure current by changing plug setting , ratio is 300 - 150 / 5 A ?

1 Answers   Ajanta Pharma, Bhel, Cosmo Films, Suzlon,

---

1.Why sinle phase motor is not self starting 2.working principle of alternator 4.list out electrical formula

2 Answers  

---

what will be the motor terminal box connection arrangement (star or delta). on what basis it decided?

3 Answers  

---

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

1 Answers  

---

How to work E.L.C.B and how to connect in circuit.

0 Answers  

---

It is being often experienced that due to single phasing fault of any source transmission line of any closed loop synchronized circuit all the power transformers with primary stared trips but the power transformer with primary delta wont, why ?

1 Answers   MSEB,

---

how to calculate power factor rating according to load? please give the answer in simple language, i'm not electrical side

2 Answers  

---

2- What are the percentages between excitation currents in phase (R, S and T) in ∆ and Ỵ connections in excitation Current test in transformers?

0 Answers  

---

In CT,which terminal(s1,s2) need to be grounded?

2 Answers  

---

what is mean by transition resistance of transformer?

0 Answers  

---