Answer / sharath kumar

to give the unity factor

What happened when the field winding of dc series motor is open?

2 Answers   Bhel,

---

which oil used in transformer?

5 Answers  

---

What is the difference between the transmission line and distribution line?

0 Answers  

---

how can we calculate ct ratings ?its any formula ?

3 Answers  

---

Transmission through a short line depends on

0 Answers  

---

---

A 400KVA Transformer has 400Hz frequency.if frequency is changed to 50Hz,then what will be the new KVA rating?

2 Answers   ABC,

---

why Y CONNECTION IS BETTER INTERMS OF EFFICIENCY AND P.F FOR A LAOD LESS THAN 40% AND WHY AFTER DELTA IS BETTER FOR > 40%

0 Answers  

---

what happens when we apply dc to a transformer

7 Answers   Siemens,

---

how power can be saved using VFDs in detail explain

1 Answers  

---

how dc load convert to ac load

3 Answers   Sunpower Solutions,

---

7- What is the Dissipation Factor and the difference between it and Insulation Resistance Test? 8- What is the task (function) of DC and AC reactors in power plant? 9- What is the task (function) of (open delta with earthed) in some types in transformers? 10- What is the base of the selection of the vector group in transformers? 11- What is the zig-zag transformer and its function by drawing in large detail? 12- What is the polarity ? 13- Why we make short between phase(R) in high side and phase (r) in low side in vector group test? Where High Side ( R ,S and T ) and Low Side ( r ,s and t ). 14- What are the time on delay and time off delay? 15- What is the vector group? 15- What is the task (function) of different types of vector group such as Dyn11 , Dd0 , YNd1,……..,?

0 Answers  

---

Relative synchronous generator

1 Answers  

---