Answer / alisansi

In neutral earthing case,Current starting flowing through
neutral of transformer or generator in event due to earth
fault and we use resistor for it(NERs).
In body grounding the body(instrument) make electrical
connection with ground.

Moving Iron instruments are applicable with a) DC only b) AC only c) DC & AC

14 Answers   Bhel, Engineers India, Engineers India Limited,

---

Difference between single phase and three phase?

1 Answers  

---

How we can differniate the overhead lines feeded by hydro power stations & thermal power stations

1 Answers  

---

What is the calculation for 1000Amps Air circuit breaker relay settings.

1 Answers  

---

what happend if the protection ct is by mistake put instead of measuring ct & vice versa?

2 Answers  

---

i want some interview related questions with their answers which can help for attend the interviews...

0 Answers   Janta Glass,

---

Why we use series reactor in power system?

9 Answers   Cadbury, HEG, Uttam,

---

Generally in d.c. circuits the direction of current is from possitive to negative.In a.c.circuits what is the direction fo current flow

4 Answers  

---

what will be fault level of 11 KV , 2000 A ELECTRICAL SYSTEM?

4 Answers  

---

i am using auto transformer for starting of induction motor to provide reduse voltages...but the principle of a tansformer according to definition"which transform energy to on circuit to another circuit with constant power and constant frequency". so if i am using reduse voltage then current obsely hige because power is same.but we use auto transfarmer for starting of induction motor to give low current.but here according to definition we are giving hige current.

0 Answers  

---

I NEED THE CABLE SIZE. I=800A AND P=315KW

2 Answers   ABC, Wipro,

---

How do determine the Size of a Droop Current Transfomer for Paralleling of Two Generators, Say I need a Droop Current transformer for a 600 kW generator need to be parallel with a 800 kW generator, etc.

2 Answers   JK Cement, MPPGCL Madhya Pradesh Power Generating Company Ltd, PNG Power,

---