Answer / k.prakashchandra

Dia=14.15 mm,No. of strands/dia in mm Al-6/4.72 steel -
6/4.57,current for 30' C temp rise 254 A and for 50' C 311A
and resistance at 20'C 0.28 ohm/KM

how to identify the failer of igbt

0 Answers  

---

i installed 100kva ups. what KVA genset they should provid in input side? plz any update formula or ans with reason.

0 Answers  

---

what is the difference between LPF and UPF wattmeter and where it is used.

7 Answers  

---

Why screen of the screened cable not earthed on both the ends of cable

1 Answers  

---

Active power= VI COS FI But incase of leading power factor ( more than unity), may we use other formula ? because the cos fi (value of cos thita) should not be grater than one.

2 Answers  

---

---

I have a 380 KVA DG set. How can i find out 1. My Fuel Consumption per hr ? 2. Electricity produced in 1 Hr. ? 3. If load varies then how does it affect fuel consumption & electricity produced ? Please HELP !!! Really need an answer.

0 Answers  

---

If an induction motor is restarted before its rotor stop rotating, then what will be the amount of current drawn? Is this current will be the same as motor starting current?

5 Answers  

---

what is capacitor voltage transformer?? how it is different from potential transformer?

0 Answers   NHPC,

---

Does Lightening arrest requires Earthing?..

5 Answers  

---

What is battery Limit ?

4 Answers   NDDB,

---

1.Why sinle phase motor is not self starting 2.working principle of alternator 4.list out electrical formula

2 Answers  

---

how to diffrentiate between ac & dc motors from a distance

5 Answers  

---