Answer / aamer

Called excitation control. There are many methodes to control

How will u calculate wire size according to current rating?

2 Answers   Global Computer,

---

in single phase we get 220 volt and in three phase 4420 v why this second Ques= in case three phase star conection our neutrul becom disconect what happan 3 Q=== a three phase house load and have unbalce load on different pahse diffrent current eg phase a 7A b 8A c 5A and voltage is 440 than how calculate it total load in kw pl give formula thanks

8 Answers  

---

what is the multi strand cable size? 0.45mm is area of one strand & 370nos of strand.

1 Answers  

---

Explain RLC circuit?

0 Answers  

---

What are difference between earthing switch and earthing truck ? What is the operation philoshopy of earthing truck ? Wht are the component of earthing truck ?

2 Answers   Reliance,

---

---

What is difference between ON delay and OFF Delay Timer?

7 Answers  

---

why should be the frequency is 50 hz only why not others like 45, 95 56 or anything , why should we maintain the frequency constant if so why it is only 50

3 Answers  

---

What do you mean by nominal ratio of instrument transformer?

1 Answers  

---

.if the vector group of two transformers is not same n tey r connected in parallel operation then what will happen?

2 Answers   ABB,

---

If a motor of 8.5 KW with same load and using in both Star & Delta one by one,then which will take more current in star connected or in delta connected

4 Answers  

---

What is the advantage of AC supply?

5 Answers   PSU,

---

I have 12MW gas engine based power plant its running parallel with grid. my problem is When cpp run in island mode(without geb) that time geb transformer power factor is 0.2 lagging. When cpp run with parallel that time power factor is 0.94 lagging So how can i maintain power factor ofgeb transformer in island mode 0.9 lagging?

1 Answers   SPCL,

---