what will happen if we give a dc supply to a transformer.?

10 Answers  

---

If we want the fan to consume less electricity at low speed, what do we have to do?

1 Answers  

---

can we step up dc power using transformer?

15 Answers  

---

WHY THE FREQUENCY IS 50 HZ IN INDIA.CAN WE USE SOME OTHER FREQUENCY.IF SO WHAT IS THE RANGE AND WHAT WILL BE THE EFFECT IN PRESENT POWER SYSTEM IF WE CHANGE THE FREQUENCY AS YOU SUGGEST ?

32 Answers   L&T, MCL,

---

difine electrical ballast in HPSVL

0 Answers  

---

---

If we have to find the inductance of a dc shunt motor then by giving dc supply or ac supply and what is the reason for it. (this example is from "to determine the transfer function of a dc shunt motor ")

0 Answers  

---

how will be power factor while using the resistive load and Capacitive load?

3 Answers  

---

how to combine two linear transformers...............

1 Answers  

---

Why in USA supply voltage parameters(230V,60Hz)are different,is there any advantage please brief.

1 Answers   APC, DRJ ARDE,

---

Why double earthing is required ?

1 Answers  

---

I want to ask a question which i faced during testing of Capacitive Voltage Transformer in AIS. We have measured the C1 , C2 individually , but when we start to measure the total C1+C2 , the testing equipment shuts down and says low loading. Kindly is it possible to find the total capacitance by using measuring device. kindly briefly explain the procedure.

0 Answers   AIS,

---

how to calculate the fault in substation

0 Answers  

---