In all the generators, the excitation supply is DC. What is the significance of DC excitation? What will happen if AC supply is given as excitation supply?

8 Answers  

---

HOW DO WE COLLECT THE SOLAR ENERGY AND DESCRIBE THE METHODS TO CONVERT THE SOLAR ENERGY INTO ELECTRICAL ENERGY?

1 Answers  

---

In a transformer ,when voltage decreases current increases. but this is a violation of oms law.why?

15 Answers  

---

what is the meaning of Ring Mean Unit in a substation or trasformer also tell me its oerpuse?

4 Answers   NPTC, NTPC,

---

I want to know which cable would be best to carry 125A current to a distance of 50m. Voltage is 3phase. Kindly share the formula with answer.

1 Answers   Medway Educational Consultant,

---

---

How does a diesel generator works?

1 Answers  

---

How can you measure the signal from the PT100 sensor?

1 Answers  

---

the power consumption of perminant magnet moving coil?

1 Answers  

---

work of choke in florocent tube circuit ?

0 Answers   Bhel,

---

what is the function of impulse relay

0 Answers  

---

what s d difference between inverter an ups

1 Answers   Jindal,

---

what is a circuit breaker. Weite the types of circuit breaker.

4 Answers  

---