Answer / saravanan

Pl brief anyone what is stability of transformer..and how to do

use of choke in APFC panels

2 Answers   Kemrock,

---

What is voltage in two phase?

7 Answers   ABB, SSG,

---

what the different types of cables used for 11kv and 33kv over head work and what is the size of cable in sqmm.

2 Answers   Ordnance Factories Board,

---

Generally in AC we consider voltage, frequency and phase sequence for parallel operation ... Can we parallel two DC battery chargers? If yes, then what precaution to be taken when we parallel two DC power?

5 Answers   Reliance,

---

what ll happen to current if two phases get short circuited

2 Answers   Kirloskar,

---

---

Why we use three phase world wide why not four phase or five phase being used?

8 Answers  

---

If 110V DC Coil Contactor taken 15ma DC on load,than how much AC current wil be taken?

0 Answers   Lafarge, Shree Cement,

---

why transformer donot allow the dc?

17 Answers   ONGC,

---

in elevator industries , how to calculate the required KVA for the elevator (elevator spec- 40A module , motor of 13.5KW, 20A)

1 Answers   DLF, Tata Steel Limited,

---

Explain thin film resistors and wire-wound resistors

0 Answers  

---

what is the burdon in case of relays?

1 Answers  

---

how to calculate the bus-bar size. give formula with description

1 Answers  

---