Answer Posted / hazari sharma

primary and secondary voltage are rated on accont of rated current flowing both winding that,why cu losses which depands on current and iron loss which depands on voltage and easily calculate that'swhy t\f rating done in kva.

What is tan delta & PPM in transformer? and whats its IS value?

2231

---

What will happen if the armature resistance is in minimum position and the field resistance is in maximum position while starting the motor

1711

---

What is Scheme Test of High Voltage Switchgear. Which tests it includes.

2468

---

What is the cut-off rate?

1222

---

what will happen if i connect 12 volt battery with 24 volt battery charger.

1942

---

what is load vs Torque curve & why it is used?

2123

---

List some examples of renewable energy?

1276

---

Why is the air gap between the pole pieces and the armature kept very small?

1444

---

what is residuel magnetism. and how order lead acid batteries for 24 volt. emergency lighting system.

2058

---

How delta connection in the primary of distribution transformer reduces harmonics?how delta connections reduces harmonics?Please answer me...Hope that question is correct.

2286

---

There is air in a room . the top and bottom of the room are at constant temp. T1 and T2. DRAW THE temp profiles if a. T1 greater than T2 b. T1 less than T2

1950

---

How does a battary stores charge in it? please explain in simple manner and in detail.thanks

2039

---

how to select the automotive wire size by mathematical calculation. for xenon headlamp with ballast. the ballast given data voltage 10-17v,current permenant 6amp, run up phase is 15amp, peak at swicth on max 400micro sec is 40amp.the sum of cable resistance is 150mohm.please provide referenc document if any for relating the peak at switch on current,time & wire wire size

2423

---

What the difference between ac and dc inductor an capacitor

2548

---

What is s-domain and its significance?

1249

---