Answer Posted / sunil guru

corona is the function of partial discharge of air near the surface of the conductor due to high voltage (in kv) and high voltage above rated is possible only due to switching over voltage or lightning over voltage so the corona ring is provided near switch yard lightning arrestor

How many size of cable required for a 300m long and 30kw inductive lode

1254

---

what is the transmission loss for electrical supply? specifically a large shopping complex where the grid is half KM away, what will the % of transmission loss? is there any transmission loss for captive unit generation for above set? thanks

1915

---

why dimmerstate always connected in star connection? what will happen if it connected in delta?

2002

---

what you have to see after one week or month from the day of installation of transformer ?

1658

---

why high speed tripping relay is used in protection circuit why not normal relay

1370

---

Distribution transformer we provided 2 separate earthing pit for Body and 2 separate earthing pit for neutral,we can not connect separate body earthing pit to other earthing pit but we do metal glanding in secondary side cable termination in both side, transformer and PCC panel (LT Panel), is this safe for transformer and other equipment?

1677

---

What is negative sequence over voltage element?

1894

---

When the relative speed between the magnetic fields of stator and rotor does is zero under steady state operation?

1210

---

Igfet is a

1590

---

Can we use both Electrical & mechanical interlock between tow breakers? if yes how, please explain

1423

---

Why does the radius of armature is less than the radius of pole shoe?

2103

---

what are the sample questions asking to the test cunducting for electrical superwising lisence test?

2133

---

CBCT selection

2228

---

Best way to measure the Soil resistance of rocky soil, three probe method and four probe method

1873

---

What is the function of a neutral reactor.

1800

---