In 90 kva alternator that produce the output voltage is 115(p-n),200(p-p) at 1500 rpms means what ampere it produced ?

0 Answers  

---

What is the purpose of taking Capacitance and Tan Delta Test in Transformer bushing?

1 Answers  

---

Give the selection criteria of a 3 Phase transformer for industrial purposes ?

5 Answers   NDDB, TATA,

---

how we findout a ignater is faulty or not?

0 Answers  

---

What is the operating range(tolerance) of voltage and frequency of grid supply in india?

10 Answers   BARC,

---

---

Dear Sirs, I am a technical persons.In one of our Electrical Sub- Station, We have installed three numbers of 1250KVA ,11KV/0.415KV Transformer to feed the Factory load. We have found some abnormality. In one of our Transformers the leakeage current from transformer body to earth through earth continuity wire is almost 86 Amp but in other transformer it is (5-10)Amp. where the load current on three phase and neutral are respectively 1360Amp,1400Amp,1370 Amp & 176Amp. So please any technical person help me about the reasons of this situation and how I can rectify the fault. Moreover,I have measured the earth resistance of the Earth continuity wire which is less than 1 Ohm. Thanks Tapas Barua

3 Answers  

---

How to calculate the breaker's short circuit current?

1 Answers  

---

State angle criterion.

0 Answers  

---

What are all the points to be checked for a newly re-winded motor before installation

1 Answers   Cisco,

---

Is current shock due to voltage or current? pls answer

2 Answers   ABB,

---

What is power factor why we should maintain the power factor unless what will happen

0 Answers  

---

what happens if DC earthing and AC earthings are shorted?

1 Answers  

---