Answer / ajay

It's depend upon on your motor application. If it is blower
motor or fan motor timing is different than pump
application motor. So you have to refer motor technical
data sheet and find motor starting time (i.e:in what time
motor current goes normal).Accordingly set the star-delta
timer.

what will happen to the core losses if we perform the open ckt test on high voltage side of a transformer ?

2 Answers  

---

As per IS why should the control be taken only from R phase, why not from B or Y phase??!!

2 Answers  

---

how does this job compare with others you have aplied for?

0 Answers  

---

how to calculate the capacitor rating for improving power factor

10 Answers   L&T, Property Solutions, Synergy, TAFE,

---

Use of electrical theorems (thevenin's,norton's,millmen's,superposition,reciprocity, Maximum Power Transfer theorem,Compensation Theorem) IN REAL LIFE???(IF YOU KNOW EXACT OR CORRECT ANSWER).

2 Answers   College School Exams Tests, L&T, PESIT, Wipro,

---

---

What is control system?

0 Answers  

---

is EEE eligible for getting electrical supervisor certificate ? if yes then from which state i sud apply

1 Answers   ONGC,

---

how system voltage affect the power factor or vice-versa.

4 Answers  

---

What should be current in the Primary and secondary side of 1000KVA (11KV Supply)Transformer.?

0 Answers  

---

Reversal of corrent feature in MCCB- What is reversalof current -explain broadly.

1 Answers  

---

how to test generator protection rotor earth fault relay and locked rotor test?

1 Answers  

---

WHAT R THE SAFETIES IN A HIGH TENSION PANEL N LOW TENSION PANEL. ALSO WAT SAFETIES R THERE IN A 200 KVA TRANSFORMER?

0 Answers  

---