how did the testing of protection relays done through current injection

0 Answers   Bhel,

---

We are installing a 1.6 MVA transformer at our crusher plant and the feeder of HPSEBL is 2 km away at substaion . and a VCB is installed in the substaion which is 2 km away from transformer so we need another VCB near the transformer.

2 Answers   SCPL,

---

how dc ct works?

3 Answers  

---

What are the RGGVY, APDRP, RE?

3 Answers  

---

132 KV TRFO BUSHING BURNT WHEN A 6.6KV HAS BEEN APPLIED TO IT .WHY .ANY REASON ?

2 Answers   MRF,

---

---

WHY DOES NEUTRAL DO NOT CARRY EVEN THOUGH IT CARRIES RETURN CURRENT?

4 Answers  

---

How to calculate main incomer rating of APFC Panel ? Let's say i want to find main incomer for 11kV, 1000kVAR Panel.

0 Answers  

---

what is the difference between current rating and breaking current of an MCCB? and for a known load how to calculate the current rating of a MCCB?

1 Answers   HPL,

---

What should be value of Circuit breaker operating time and tripping time?

5 Answers  

---

oil cooled transformer

0 Answers   Jindal,

---

I am working as maintenance engg. in electrical but i want to do carrier in electrical drawing.Tell me about that.

2 Answers  

---

WHY DOES NEUTRAL DO NOT CARRY EVEN THOUGH IT CARRIES RETURN CURRENT?

1 Answers  

---