Answer / abhishek goyal

Its related to short circuit current because of that when we
design any plant and there electrical system. design
engg.(first calculate the total load)calculate the max SC
current according to that equipment will be select. Its
called the fault level:
it divided into 2 (Major):
low fault level (for normal equipment)
high fault level (for critical equipment)
as per total load of plant or capacity.

Answer / sakthivel

in our electrical system no of fault available there are
1,open circuits 2,short circuits 3,loose connections 4,earth
faults if any fault depends on voltage and full load current
and insulation cable so that is not idea,

what is the purpose of taking HV test in LT panel.

1 Answers   PCE,

---

what may the reason for vector shift in a generator?

0 Answers  

---

we need a ntpc previous papers

0 Answers  

---

what will happen if u run induction motor beyond its rated speed

13 Answers   Adani, BARC, Bescom,

---

What are the classifications of heating element?

0 Answers   BARC,

---

how ELCB drip when earth and phase touch together?

2 Answers  

---

difference between servo motor and synchronous motor

0 Answers   Hitachi,

---

how to calculate the capacity of CT operated LT trivector meters on a particular distribution transformer.

1 Answers  

---

What the capacitor Current formula?, For 1 KVAr how amps its required? for using the KVAr for boosting the PF Design Calculation.( Eg: for 30 KVAr required how many KW?)

17 Answers   Alstom, Call Centre, EDC, HCL, Procon Engineers,

---

Dear Sir, I willing to know if one 15Hp induction motor run in star connection. What happen power capacity of motor? Plz tell me.

1 Answers   Amtek Tekfor Automotive,

---

If i have two 3000 kW motors and the whole facility requires a 10 MVA transformer. What would be better installing two 5 MVA transformers(one for 1 motor ) or just a single 10 MVA transformer for both of them. Give reasons for your answer.

4 Answers  

---

what type of questions are asked and howmwny questions belong this catagory?

0 Answers   RRB,

---