Answer / rakesh jha

A 3-phase transfomer required it's neutral to be grounded.
In delta-delta connection, neutral is not grounded. we use
small star-delta transformer to connect with delta-delta
transfomer and neutral will be grounded.

Answer / zizo

In cases where the neutral point of three phase system is
not accessible like the system connected to the delta
connected side of a electrical power transformer, an
artificial neutral point may be created with help of a
zigzag connected earthing transformer.

how to caluclate cable size by Amps

2 Answers  

---

How to know Resistance and Reactance value of main and aux winding of single phase capacitor start capacitor run induction motor to find capacitor value?

0 Answers   Siemens,

---

how to select cable size according to ampere.

1 Answers  

---

What happens when the field of an alternator connected to infinite bus is suddenly removed?

3 Answers  

---

how to select earthing wire? procedures and parameters?

2 Answers  

---

in traction which type of supply are used

15 Answers   APGenco, Construction,

---

is ac supply can store

0 Answers  

---

Explain what is rated speed?

0 Answers  

---

what is relay

8 Answers  

---

How do you select a cable size(Cu & Al) for a particular load?

2 Answers  

---

Name the different control schemes of electric rive.

1 Answers   DVC,

---

Sir, I m 3rd year student 4m DCE and want to do internship in siemens or l&t or any other mnc related to electrical engineering. please tell me the procedure 4 same and oblige me

0 Answers  

---