Answer / pundlik m wanwe

As the winding is the source of heat generation and the oil
is meant for cooling the same. winding temperature will be
always greater than oil temp.

Answer / rithesh

well dts true...total load will be on the winding and the
source generates heat....dts the reason the winding temp is
higher than the oil temp

Answer / k.shivkumar

Normaly winding temperature is higher than oil temperature
because Oli is cooling medium and delta T should be 6 to 10
Degree celcius

why the single phse machine can not run by the three phase supply.

2 Answers  

---

what type of relay has to be used for tripping the circuit from mains when a fault occur in a machine

3 Answers  

---

does frequency affects the load? if yes elaborate it.

1 Answers  

---

why dc moter are not earthed ????

2 Answers  

---

what is the use of breather in transformer?

4 Answers  

---

why transformer is conneted to dc for polarity test.it doesnt work in dc?

1 Answers   ABB, KVPY,

---

What is the basic rule for block diagram reduction technique?

0 Answers  

---

Why generating power limited to 11kv?

4 Answers   PSU,

---

how to measure the transformer resistance values(dyn11)?and howmuch the minimum value?

0 Answers  

---

which connection is there in a rotor of the motor

2 Answers   All Trades Electrical, HAL,

---

we use 3 phase supply for induction motor why not use two phase supply .

4 Answers   TLC,

---

Why we called L-G fault as line to ground fault why ground? suppose if a line falls on building roof then can we called these fault as line to roof fault? please explain why ground term is used here?

3 Answers   Bhel,

---