Answer / k.prakashchandra

By varying the excitation if connected to grid

why square root 2 is multiplied with line voltage in selection of LA ie 11/sqrtroot3=6.35 kv and it is multiplied with sqrt2 ie 6.35 KV*sqrt2=8.9 kv we will select 9kv.my question is why we are multiplying with sqrt 2?

1 Answers   KSPL,

---

11 kg trivevter meter has rating of -/5amps. And pt ratio11000/110v and is connected with 11kv ct/pt unit of cr ratio 75/5amps. And pt ratio of 11000/110v while checking accuracy of meter with HT Accuchek meter what value of PT ratio and CT ratio to be filled in Accuchek meter

0 Answers  

---

what is the formula for AH?HOW CAN IT CALCULATE

1 Answers  

---

what is bus pt and what is the function of it

2 Answers  

---

what is the meaning of the symbol << >> put in transformer drawing

0 Answers   TATA,

---

why does in transformer the v/f ratio constant?

2 Answers   TATA,

---

why CT out put is 5 what ever the primary current.

2 Answers  

---

What will happen if the voltage in my house drops from 220V to any lower voltage?

0 Answers  

---

What happens to voltage when current is zero?

0 Answers  

---

How the setting of the vector surge relay shall be calculated when the relay is to be used for Grid islanding application?

0 Answers  

---

Give some example of fault limiting devices?

0 Answers  

---

if we have 320KVA Genset kindly advice how much load we can put it.

0 Answers  

---