Answer Posted / abiodun fadairo

Turns Ratio = Np/Ns

Transformation Ratio = Ip/Is

The product of Turns Ratio & Transformation Ratio = 1

What is VCB? where it is installed at SP. What is SP?

2184

---

What is the main use of rotary phase converter ?

1156

---

what will happen if OLR CT in all phases are short circuted

2199

---

how many types are their in switchyard or substation(like D,I TYPE), what is differant between them

2118

---

describe the Operation of induction generators from bus bars

2325

---

What is mean by hot and cold loop testing?

1099

---

If I want to lift the water at a height 50m from ground level through two inch(diameter) metal pipe then what is the capacity of motor pump is required? is it possible in single phase supply or not?

1901

---

if a 3phase 100kva distribution transformer , 400 v,50 hz, 4-wire system is loaded at 160 k.w mostly 1-phase Lighting & Airconditioning split a.c load what will be the net effect on the power system in terms of voltage, powerfactor, current , efficiency of xformer

1897

---

what is buffer resistance starter.?.What is the working principle and where it is used..?

2041

---

Where is the best place to mount  distribution panel in a house.

2105

---

if we install two earth pits with a clear space of 5m without any interconnection,by checking the digital multimeter will it show continuity between earth pits? If so what would be the approx. value

1939

---

can anybody tell me that for p.f. Improvment we use capacitor banks but how to decide its capacitance. As we all know how to calculate kvar but what abt capacitance value

1867

---

If two Transformers are connected in parallel having impedance of 50KA in both transformers will the impedance increase or decrease after connecting transformers in parallel?

2071

---

What happened when voltage will half value of current ...

1620

---

What is the difference between AC and DC injection methods for rotor earth fault protection

2234

---