Answer Posted / n

New Delhi

what is a reactive power? what is the relation with power factor?

2190

---

Can anyone provide with a SLD for HT panel installation for a 33KV line and distribution end has three 1.5MV transformers. Is it suitable to use OCB or VCB and also provide me the suitable rating and its connection diagram.

3356

---

Does all the output contacts (N/O as well as N/C) of a Numerical relay operate when relay receives a binary input/inputs or contacts are designated to specific logic input/inputs and only these contacts operate?

2090

---

what happen as when voltage drop(or may decrease) ? in case of atomic base theory?

2035

---

In Power cable specification what is U0/U and Um.

3823

---

1. If 8.35%Z means the percentage impedance of 132kV-line from power company, we will like to reconfirm its base capacity.

1999

---

How to size Air Circuit breaker (ACB)? What is the most important factors?

2273

---

What is the function of retrip in busbar?

1510

---

How PSV sizing being done

2336

---

A 230V dc shunt wound motor has an armature resistance of 0,15Ω.When operating on no load at 650 rev/min the armature current is 6A . The motor takes a full load current of 85A. Calculate the full load speed if the field flux is (i) maintained constant (ii)reduced by 0,03

2017

---

when we design electrical schemes of 11/.415kv distribution..wen and were should we show the relays??what is the function of it?for example..we place EFR Relay CT between transformer neutral link and transformer earth.Like this what are the other type of relays we should use?why?where?Explain please..Thank you

1810

---

"TRANSFORMER MODELING AND ANALYSIS" MEANS WHAT AND WHICH TOPICS U READ IN THIS

1890

---

describe the Tranformer testing procedure

1886

---

Why an ac systems are preferred over dc systems?

1110

---

What is power in wattage of 8.5 TR AC

1674

---