Answer / sundar m

According to the P-f Q-v the reactive power supplied by the
machine will be depends on the excitation voltage so by
varying the excitation voltage without affecting the
synchronization of alternator we can vary the powerfactor of
the machine

Make a list observation on Transformer?

0 Answers   HSL,

---

Why the ceiling fan rotate in anticlock wise direction whereas tables fan rotates at clock wise direction?

3 Answers  

---

What are the types of transformers according to the arrangement of iron cores?

0 Answers  

---

speed of an electric wave

3 Answers  

---

I have a current transformer with 1 main reading meter with transformer outside the building and a control panel having 5 CT reading meters with black round coils inside the building. I want to know, A) when current pass through the Transformers, will the current be reduced or be the same and after that B) when current pass through the CT meters with black round coils, will the current be reduced or be the same. C) in the above process will the reading of the main meter be same or different, from the total reading of all the 5 CT meters.

0 Answers  

---

---

In separately excited m/c,we excite the field by a dc source,what not with ac source?

1 Answers  

---

state the disadvantages of carbon filament???

0 Answers  

---

why phase plates are used in transmission line????

1 Answers  

---

What is the difference between MCCB,ELCB,RCB & MCB

2 Answers   Bhel, HCL, HPL,

---

DEAR SIR/MADAM,CLEARLY EXPLAIN ABOUT CRAWLING AND COGGING EFFECTS IN INDUCTION MOTOR.

0 Answers  

---

When VFD is connected to a 3 phase main supply there is load current difference between incomer to VFD and outgoing from VFD.

1 Answers   Shasun Chemicals,

---

How earth resistance reduses by pouring water coal and salt?

4 Answers  

---