Answer / sachin k

Reverse power,E/F,over load,Over frequency,Under
Frequency,Over voltage,under voltage,loss of
excitation,short circuit etc.

Answer / ravi tandel

reverse power protection, merz price protection, etc.

How many types of AC current?

8 Answers  

---

if an insulated power and control cables of a running gas diesel gensets laid direct in an open trench i.e, trench bed is not rcc of a power house in which rain water, spillage water alwas exists and all power control cables remains submerged even when gas gensets of 480 kw each runningin on load. These power &control cables runs from power house to switchgear room through these trenches in which water remains most of the time. pl explain its merit & de-merit

0 Answers  

---

What is a differential amplifier? Also, explain cmrr.

0 Answers  

---

What is diffrence bitween electrical and electronics ?

4 Answers  

---

Why birds seating in HT line does not get shock? If person hangs in HT line (single hand or both hands) does he get shock?

15 Answers   SSC,

---

How can Inductive load reduce the line voltage of HV transmission line and vice versa Capacitive load?

1 Answers  

---

i need to now what will be the cable size to the following load, transformer to distribution panel distance 110m, load 1000kw, voltage 400v, pf 0.85, permissible voltage drop 2.0%, overhead line, atmospheric temperature 35 degree c.

0 Answers   Bay Fishing Corporation,

---

why star point of HT motor not earthed?

0 Answers  

---

what is the RESTART INHIBIT protection?

1 Answers   Thermax,

---

When the power Factor (p.f)is lead then how the Voltage can rises?

1 Answers  

---

what is the safety points of vaccum circuit breaker.

0 Answers  

---

how to select electrical equipment such as fuse,dg,transformer,motor,msb,wire,cable as per the connecting load..please mention any books to design,take licence

0 Answers   Gujarat Electricity Board,

---