Answer / sanjib kr. patra

Safety Measure in ACB: 1) Over voltage 2) Under voltage 3) Over Current 4) Earth Fault are taken care using proper relay and its setting.

Answer / bhavesh jaiswal

Short circuit also.

Answer / reddy

I think don"t use earth faults in acb
;s

Answer / nagendra saladhi

over voltage, under voltage, over current, short circuit current and earth fault current were to be consider at the time of its setting.

Answer / muradali

under voltage closeing realy shunt relay

please tell me the all the spcications of the 100MW 11KV HYDEL POWER PLANT SPECICATIONS

2 Answers   Bhel,

---

What is mean by sink and source in term of PLC and drives,where and how they used in logic

2 Answers  

---

If we impress a dc voltage of 230 V on an unloaded 230 V, 50 Hz transformer it wi A give high secondary voltage B burn out C give secondary voltage as per K D none of these

0 Answers  

---

what is the need of capacitor in transmission lines?and how it works.

2 Answers   SCCL,

---

what is the purpose of the armored for the power Or control cable? How to select the type of the armored?

1 Answers   Siemens,

---

---

I have been using an 600VA with 0.6 p.f UPS with my desktop which has 450W power supply unit. Can anyone explain how can this happen . Because the output of the UPS is 360W (600*0.6) (<450W)

0 Answers  

---

My load is 15 kw,i want to improve power factor from 0.8 to 0.9,how select capacitor

2 Answers   RIB Software, TATA,

---

What is the difference between MPCB and OLR?

11 Answers   ABB, Raj Agencies,

---

What is a fuse? How does it work? What are materials used?

0 Answers  

---

A wattmeter is marked 15 A/30A, 300V/600V and its scale is marked up to 4500 watt. When the meter is connected for 30A, 1600V, the pointer indicates 2000 watts. The actual power in the circuit in

1 Answers   Jindal,

---

what is the function of DC panel in substation?

4 Answers  

---

What is process of anneling transformer core

0 Answers  

---