Answer Posted / rajesh sutar

MF= CONNECTED CT/METER CT *CONNECTED PT RATIO/METER PT ratio
*space factor
(space factor =1)

we have 3.5MVA-11/6KV transformer. how can we calculate earth fault current and NGR calculation?

1537

---

In EHV transmission line a neutral grounding reactor is often placed at neutral point of shunt reactors. What is the recommended protection for this neutral grounding reactor? Should I use a fast closing switch to bypass neutral grounding reactor when this protection operates?

3234

---

In DC generator, we use commutator, having no. of segments. Then how it is possible to get a half wave of voltage and current for half rotation of armature?

2003

---

Convert a star connected network into a delta connected network.

1117

---

WHAT IS THE WORKING PRINCIPLE OF A GENERATER.how is a GTG (Gas TURBANE Generater) working.plz explane

2523

---

i have faced a problem in ro plant grunfos make bm30type pump it is 22kw pump. We start this pump using siemens 3rw 4423-ibc44, 30kw softstarter but this soft starter will frequently failier so we planed to change dol starter. So pls tell anybudy its possible or not.

1930

---

how balanced in star delta connection ?

2086

---

What kinds of decision are made about CT from it's Knee point(voltage & current)?

5078

---

2. What are the parameters of EHT sub-station?

2359

---

what is the necessity of under ground cables ??

2083

---

can anyone tell me can the electromagnetic waves can be reflected back?if so how &by which material it can be reflected back?please tell me so that it can help to my wireless power trasnmission device.

1803

---

In synchronization circuit what is the function of Interposing voltage transformer(IVT)and Reverse voltage transformer(RVT)

11831

---

how desiel generate sart fail of eb?

2190

---

how to select the no. of brushes in a lap winding?

2190

---

how to check regenerative load in drived motor

2231

---