Answer / aniruddh

critical loss intrasformer is core losses &stray losses
because no rotating part.

Answer / prashant singh

that means the losses which occur in any operating
condition. the losses are core losses & stray losses.

Answer / vittal

CORE LOSSES AND WINDING LOSSES

what are the specifications we must look at to select a relay for any capacity motor?

0 Answers  

---

what is the diffrence between kav and kvar?

5 Answers  

---

In power transformer YnD0 Vector Group is possible or not? if possible, what will be the vector diagram and what are the conditions?

2 Answers  

---

Can we see the poles in the motor?. if yes then how can we see plz tel me

2 Answers   MRF,

---

ALONG WITH MEGGER TEST FOR CHECKING OF MOTOR ,WHY WE MEASURE FOR RESISTANCE AND INDUCTANCE?

4 Answers   L&T,

---

---

Neutral to earth and phase to earth voltage how much.

2 Answers  

---

what is mean by Digital Logic Meter (DLM)

0 Answers  

---

How do I know if a transformer is saturated? I am doing the simulation of the saturation of a transformer, but what parameter tells me when a transformer is saturated? How do you calculate? is on the plate?, there is a rule that can help me? How could model? I understand the saturation occurs when the flow can no longer bind to the other winding, this is given to certain current, this current is the same that appears as the highest in the bale of features? Thank you for your help Eduardo Alvarez Guatemala

3 Answers  

---

can transformer of different kvas be paralled

2 Answers  

---

I did oil BDV test of 1600 KVA trafo 20KV/400V as per IEC 156. Result is 1) 58 KV 2) 58 KV 3)40 KV 4) 50 KV 5) 58 KV 6) 18 KV. Avr is 47 KV. Can we say oil is still ok even in the 6th test BDV is 18 KV ?

1 Answers  

---

In 11/0.414 KV Parralel supply network with Bus tie closed what will be the fault level is it doubled or halved??

0 Answers  

---

How one can say about a device (e.g: a light holder contains 20 or 30 L.E.Ds which glows when power supply is off, from which source they are getting the supply..... battery or capacitor) without removing and opening up its case ?

1 Answers   CMC,

---