Answer Posted / chetan & panks

Please mention voltage level & PF.

Assuming the voltage level 415V & PF 0.85,

FLC=kw/(ROOT3xkVxcoso)
= 30/(1.74x0.415x0.85)
= 48.87A

why power not passes in plastic and rubber material

1963

---

if we look on phasor of the transformer vaoltage is 180 oppsite at primary and the secondary so to improve a power factor is secondary should kept negative to improve it primary side means is -.90 became +.90 at other side

1854

---

what are the sample questions asking to the test cunducting for electrical superwising lisence test?

2185

---

how to revers the direction of single phase motor

957

---

What is center gravity load in substation?

2412

---

what are the dimensions for 200 kva transformer plinth (plateform),in which pcc m20 is used..

11693

---

How do we arrive at selecting reactive capacitance value as 30% of h.p rating of motor?

1832

---

Do Phase angle measurement have any application in freq/harmonics measurement? If so how?

1931

---

HOW CAN WE DECIDE THE SUPPLY VOLTAGE FOR MOTOR ACCORDING TO ITS RATING(IF ANYONE KNOWS GIVE IT WITH EXAMPLE AND ITS CALCULATIONS)

1940

---

how to calculate the distance relay faulty zone?pls explain?

2040

---

difine electrical ballast in HPSVL

2078

---

importance of reactive power management

2021

---

what is accuracy ? in any meters , coils accuracy . how can u defined that ?

2415

---

i want to apper for apgenco or aptransco or related can any one sugest me where can i get previous papers of thouse exams

3302

---

what happen when we add mentos in cold drink?& why?

2047

---