what is the use nuetral wire

8 Answers  

---

what is the working difference b/w softstarter and Variable frequency drive ?

6 Answers   Parle,

---

what are the types of electromagnetic forces developed in practical transformer?

0 Answers   APC, BPCL Bharat Petroleum, Electrical Tech,

---

what is Aircraft earthing and what does it do?

6 Answers  

---

what are the precuation should be taken ahen installing power transformer,circuit breaker,current & potential transformer

0 Answers   Siemens,

---

---

Simple calculation of improving power factor?

5 Answers  

---

what is "pu" in electrical engg.

4 Answers  

---

How addressable fire systems work? Pl. send details with architect.(Loop), also send details regarding Gas system. Pl. help me.Thanks

1 Answers   Siemens,

---

Define the overload capacity of the motor?

0 Answers  

---

How to take the Vector Group Test in Transformer? What is the purpose of doing Vector Group Test?

3 Answers  

---

when the time of backcharging the transformer three phases only enough or three phase with neutral is must.from these which one is the best one.

0 Answers  

---

What is the difference between shortcircuit current, rated current of cable & MCB with example? What will be the size of cable required for 5.5 KW motor (Full load current 10 Amps approx.), Starting current with DOL is 120 Amps. Aprrox. Short circuit current with LLLG fault is 2000 Amps Approx.

0 Answers  

---