Answer / vino raju eee

if we need 10 times more current for tripping we can use
5p10, 20 times 5p20

Answer / k.prakashchandra

It depends on how many times the fault current is expected
of the rated.

Answer / nur.asidik

it depends on Vkp requirement

how we can select a transformer based on a particular load. suppose we have 4 motors of rating 40 h.p , 50 h.p, 80 h.p & 100 h.p. then what rating of transformer we can select. urgent. pls reply

6 Answers  

---

What is DC power factor??

2 Answers   HCL,

---

what is the reason of capacitor failure in alternator which is working with 10 kva dgset

0 Answers  

---

what is the basic difference between synchronous motor,synchronous generator and induction motor

7 Answers   NHPC, NTPC, Sail,

---

What is a dc motor?

0 Answers  

---

How Can we calculate current carrieng capacity of Copper Bus-Bars and Alluminium Bus-bar

2 Answers  

---

I have a 25 KVar capacitor bank at my facility.How to check the capacitor bank ??

2 Answers  

---

Whether should be the oil level in OCTC transfomer? It should be upto winding immersed completely or should be upto tap changer s/w? How it will affect the performance of the transformer. Rating may be 33KVA

0 Answers  

---

What is the two pole structure?

0 Answers   Foxconn,

---

How the speed of synchronous motor changes with the variation of load?

1 Answers  

---

Is it possible to interlock between ACB & MCCB?

2 Answers   Areva,

---

if my load is not in continuous operation so what type of panel is required APFC or fixed capacitor bank without APFC whether C.T is required in both cases compulsory? explain detail

1 Answers  

---