Answer / annu singh

power factor is cosine value of angle between voltage and
current. is represents that votage is leading /lagging from
current or not.

Answer / tiger

PF IS THE RATIO OF ACTIVE POWER TO APPARENT POWER.

Answer / biswa

Pf is the co sine angle between voltage & current,it depends on kind of load ,if the angle is more gen "ll hv more current(actual +reactive current) un necesserily(kvar),which means same load more current,causes overheating of d/g,in case of comparatively less load over current trip will occur.

please tell me how a surge protector work on a DC 48Volt.? please describe briefly.

0 Answers  

---

what is excitor response of an excitor?

1 Answers  

---

why 2 phase is used in argc furnace? why 6 phase is used in converting machinery?

1 Answers  

---

WAT IS MEANT BY COLD AND HOT START OF A MOTOR?? HOW DOES IT AFFECT A MOTOR'S PERFORMANCE??

4 Answers  

---

Dears we deal in Chemical are Plate earthing. Kindly call if any requirement and questions. Tech Earth Solutions Mohit Verma 8791071007

0 Answers   XYZ,

---

---

What are the specifications for conducting earth leakage test as per IEC standard?

0 Answers  

---

plz send me the syllabus or any sample paper for engineer trainee recruitment if any,on ravinder911@yahoo.com

0 Answers   Bhel, Maruti Suzuki,

---

What will be in Mahagenco Trade Test Exam? I want to know the same.

0 Answers   MahaGenco,

---

In which iron losses is higher induction motor /transformer

1 Answers  

---

what is the meaning of vcc

0 Answers  

---

if our motor load is 150 amp v- kv and we want to install capacitor bank then what is the exact value of that capacitor bank that we should install?and how we calculate that

0 Answers  

---

In pakistan appliances work on 220v at 50hz and in us appliances work on 110v at 60hz what is basic theory to explain it

1 Answers   SNGPL,

---