Answer / rajendra.s

It depend on which metal you are using copper/aluminum.
& it also depends on density.
to calculate busbars multipy cross sections.
For AL if density is 0.7/1A
Eg.for 100A incomer density .7 busbar is 20x10MM=140A.
with 1A density 10x10mm=100A
For CU standard density is 1.5/1.8A

From Rajendra Sawant
Miraj

What is the Ideal Earth to Neutral Rating for Techonology Equipment like Routers, Switched, PABX, Computers etc etc?

2 Answers  

---

what happens when dc generator coupled with cycle shaft.also explain what happens when its loaded

0 Answers   NTPC,

---

in alternator how we can give power to rotor ? its power is AC or DC ?

5 Answers  

---

Draw a Block diagram of TWO UPS systems connected in Parallel in Paralled mode?

0 Answers   HSL,

---

3phase motor can be used as a Prime mover for alternator.

0 Answers  

---

what will happen if the secondary of current transformer kept open....

16 Answers   KSEB,

---

How does flights get the neutral(grounding)

1 Answers  

---

Lux meter is the measuring device to measure the lux level of lighting fixture. in industrial sector two types of lighting fixture is being used as street lighting purpose 1. HPSV (Sodium) and 2. HPMV (Mercury). HPMV having white light which is an combination of red, blue and yellow colour, while HPSV haivng Yellow lighting. in HPSV red & blue colour will be absent. during measurement of the lux level of HPSV and HPMV fixture. 1. Lux meter can measure the actual lux level of both fixture? 2. or it will show false reading for HPSV fixture light as it has only yellow light present. please give me answer

1 Answers  

---

what is the purpose of slope in the differential relay?why we are using two slope?but in busbar differential we are using only one slope.why?

0 Answers  

---

What is the difference between MCCB and MCB ?

4 Answers   Siemens,

---

How to calculate busbar size & what is the procedure we make for determine that?

35 Answers   Auko Tex, Integra, PowerTech, Shadhin Group,

---

what is the stear deltaprinceple?

0 Answers  

---