why we avoid parallel operation of diesl generator?

4 Answers  

---

ohms law is applicable for dc or ac current or for both??? explain it berifly??

3 Answers  

---

What is the basic principal, by which DC voltage level is increased more than the supplied AC voltage during conversion. As upto AC level it is contorrled by firing anlge but after maximum level how is it possible.Please clear picture. OR we have to supply the higher level AC?

0 Answers  

---

What are the types of earthing? Explain dagramatically.

3 Answers   Siemens,

---

Is it mandatory statutory requirement of transformer oil filtration annualy despite oil is withstanding required dieelectrical strenth and all others parameters

5 Answers  

---

Does the total power means fundamental plus Harmonics?

2 Answers  

---

what r the main parts of central chiller plant in Air conditioner ? explain the function of each?

12 Answers   ITC Infotech,

---

my UPS is 600VA with 0.6 p.f and i use it for my computer which has 450W power supply unit, a monitor of 633nW and speakers. Can any one explain this.. because the output of UPS should be 360W (<450W)

2 Answers  

---

whats the diff b/w mpcb and mcb?weather it trips on single phasing or not.

9 Answers   Electra Power, Essar,

---

Why Alternator has 0.8 power factor?

2 Answers   Bhel,

---

where we use the SFU & FSU?

0 Answers   L&T,

---

bus bar design conditions and sizing pls tell me quickly

0 Answers  

---