Answer / k.prakashchandra

Iron losses may be taken as 2 KW i.e. 2 units per hour . For max efficiency Copper losses are equal to iron losses

why is neccessary Tap changing of power transformer with in a certain time

1 Answers  

---

resistance of transformer oil=?

1 Answers   HCL,

---

What Maximam Gap Taibaar & Bush

0 Answers   Bajaj,

---

Using 11000V/433V,3 ph,50Hz,500 KVA, what is the maximum capacity of motor in KW that can be connected and started at a single moment? Also explain about any calculations and formulas used in deriving the same.

4 Answers  

---

what is the difference between an alternator and a synchronous motor

0 Answers  

---

---

how you can select circuit breaker for 2000kva transformer?

9 Answers   TATA,

---

why restricted earth fault protection can not operate for phase faults??as there will be a current in secondary of ct,when a phase fault occurs!

1 Answers   GMR,

---

Meaning of CTPT ,how it works &how it measures the reading on trivecter meter,&what is trivecter meter

1 Answers   PF, Student, TSSPDCL,

---

Why the Motor takes High Current in Starting time?

5 Answers  

---

what is power factor?

3 Answers  

---

where the protection CT in neutral of transformer be located, before bifurcation or after bifurcation and why.

2 Answers  

---

WE HAVE A LOAD OF 55KW MOTOR ITS VOLTS 380 3PH AND ITS TAKING 100AMPS (ITS FULL LOAD IS 105AMPS)AND ITS CABLE IS 4CX50SQMM ,NOW ITS GETTING ABNORMAL HEATUP IN CABLE,PLZ TELL WHY ITS HEAT-UP?(CABLE LENGTH IS 15 METERS ONLY)

10 Answers  

---