Answer Posted / d.shirisha

MCCBs and MCBs are protecting Devices for low power
distributions(LOW TENTION PANELS). MCB is used for lower
Amphere ratings and it is starting from single pole up to
four pole.MCCB is used for lower as well as higher Amphere
ratings it is in three pole and four pole...

WHY IL=IPH IN STAR AND WHY IPH=IL/1.732 IN DELTA? WHAT IS REASON BEHIND IT?

6365

---

how r charge carriers produced

2085

---

How do you compute voltage drop and cable size over distance?

2276

---

What is the minimum underground tank size capacity considered for firefighting purpose?

1963

---

what is the eight bit unit?

2451

---

can anybody send me syllabus of rrb section engg (electrical). and also send previous question pepar...

1990

---

what is saturation kit?which use above 15 kw motors panel side.

4209

---

why can the rotor of 3 phase slip ring induction motor not be a 2 phase rotor?

2069

---

what is the difference between delta delta and star delta connection transformer? why we use delta delta transformer since it need earthing transformer for grounding?

2094

---

on a three-winding transformer relationship delta-delta-star, on third winding why the relationship is a star? what are the advantages and disadvantages? Thank you and please help

1738

---

When calculating the speed of a rotor required for a particular frequency of synchronous generator we use the equation 60f/p Is this p is the number of pole pairs of rotor & do we consider the number of pole pairs in the stator is 1?

2014

---

why you don not show protection and type of isolation in key single line diagram?

1986

---

what is ratio of copper wire size and current ?

1836

---

I need the recommended size for a 3 phase transformer at 13.8 KV Primary and connected loads of 3000 kVA at 4200 volts and 2375 kVA @ 480 volts AC.

2035

---

What type of wiring series or parallel is used for conventional and addressable type FAS & why?

1803

---