Answer / k.prakashchandra

I think DB is the marshalling box.If there is earth fault
or short circuit in CT secondaries of REFR core ,as the
balancing of currents is lost, there will be tripping.You
are advised to test the Tr for internal earth fault before
re-charging.The coneections of CT leads in the MB TB may be
firmly done with brass/copper bolts and nuts to avoid loose
connections.

why we r not earthed Control cable of C.T. terminals

0 Answers   HCC,

---

why transformer rating in kva?

7 Answers  

---

Please tell me 1 ton = How many Kilowatt (Electrical)

19 Answers   Essar, Mitsubishi, Taj Group, VCMS Technologies, Virtuous Retail,

---

whay is snubber circuit , why we are using snubber circuit in thyristor

1 Answers   NEPC,

---

How ships are protected from lightning?

1 Answers  

---

what is the function of supervison relay?Draw its wiring diagram.

2 Answers   IBM, R.R. ISPAT LIMITED,

---

why Lightning arrestor are made by 2 seperate stack of inslutor but why cvt are in single stack of insulator.

0 Answers   Siemens,

---

what is the string efficiency

1 Answers  

---

Why Hg means mecuiry used in vaccum mesuring unit?

2 Answers   Manhattan,

---

What is inductance?

0 Answers  

---

Whats parameters which we keep in mind when grounded any electrical machine.

1 Answers   Essar,

---

What is the fullform of IPS in substaion using Aluminium Tubes

15 Answers   L&T,

---