Answer / ak

calculate line current for transformer
I=1000000/(1.732 x 33000)
=17.50 Amps
based on the value of current select appropriate cross section area of particular gauge.

who many types of fire explane with exmple

0 Answers   Juniper Networks,

---

What are the solutions for avioding sulfide formation at bimetalic (Copper &Aluminium)overhead joints?

2 Answers   HAL,

---

electrical machines

3 Answers  

---

why power factor occur only inductive load not in resistive ?

8 Answers  

---

what composit error,ratio error,phase error in CT and PT??

4 Answers  

---

what are factors to be consider in electrical installation like load factor,diversity factor .....

0 Answers  

---

why ct's&pt'S out put called as burden,why compelsary short ckt the secondary of ct's while removing the burden?

0 Answers  

---

What is P.F? Formula for calculating PF in HT side?

1 Answers  

---

how many frequent start/stop operation possible in case of HT MOTORS.

5 Answers   DVC, Steel Plant,

---

what is the diffrence between voltage and current?

11 Answers  

---

what is static electricity and how it generates?

2 Answers  

---

In Air circuit breaker LSIG protection unit is used. Without fault in cables (2 runs 3Cx150Sq.mm Copper, 1Kv grade, XPLE armored cable IR value is more than 550Mohm @ 500V Megger) and load section Long time Overcurrent protection is triggers and trips the unit. We changed LSIG protection with new factory tested unit. Even then fault is persisting. Please suggest the possible causes

0 Answers  

---