Answer / dinesh

Surge arrester use for ht line conductor holding & isolation
,& surge supressor use for the diode protection in dg set
RRA plate

why do we need to use 3c+3e cable, normally i select only 3c+e cable and i think it is enough. pls explain the usefull of 3e cable ( in this project the earthing system is well done)

0 Answers  

---

What is the approximate percentage of Si content in transformer core(CRGO-Cold Rolled Grain Oriented)? Why it is kept so low?

1 Answers  

---

how many units consumed by a 33/440 2000 kava transformer in a day

3 Answers   Infosys, MRF,

---

what is reverse power relay brief explanation and in b/w where it is connected

0 Answers  

---

what are the tests comes under the type test, what tests comes under routine tests.

0 Answers  

---

how i meggar value of 11kv alternator winding.and with meggar.

1 Answers  

---

how to calculate the no load current in transformer?

0 Answers  

---

What is the difference when selecting a cable between AC and DC current?

13 Answers   ABB,

---

What are the Application of CT & PT ?

2 Answers  

---

why transformers not work at d.c.-

3 Answers  

---

what is the sludge current

0 Answers  

---

Does the hysteresis loss is due to retentivity property of the material? or it is due to reluctance property?

2 Answers  

---