what is IMPEDENCE? FORMULE?

6 Answers  

---

415v 14kw so can u tell me how i can measure the cable size.then size of the earth also

1 Answers  

---

A 6.6 KV/ 440V Xformer. what are the imporatant parts & equipment required for it's protection panel.

0 Answers   APTransco,

---

In a d.c current, the power is the product of voltage and current. This relationship does not always apply to effective(r.m.s) values in an a.c circuit. Explain the reason for this.

2 Answers  

---

how to calculate the current carring capacity of the conductor

1 Answers  

---

---

in 1-phase 230v,how in 3-phase 440v. in each phase in between 230v.

0 Answers  

---

when current lags behind voltage how does it affect the circuit.In other words what is the significance of lagging current?

3 Answers  

---

why pull the single core cable?

1 Answers  

---

what is anode and cathode??

5 Answers   Bombardier,

---

which is the most advanced form of SF6 BREAKER?Can we use other gases to quench the arc?

0 Answers   TATA,

---

what happens when a power transformer neutral earthing broken???

11 Answers   MacLellan,

---

What will be the minimum megger value of 1700 KVA Transformer? a) Do megger value varies according to climate conditions and area . b) If megger value is 100 mega ohm is it good for new transfomer. Explain?

4 Answers  

---