Answer / prasad61

KVAR= kilo volt ampere rating
KVA= kilo volts ampere (power)pf

IF we have three 30KW motor, these motors are connected in DOL, star-delta and VFD respectively, what will be the fuse rating for the above three?

7 Answers   DOL, GSK, Ojus,

---

open circuit test when performed on double the voltage & double the freq, then what will happen with p.f and current magnitude?

1 Answers   Aarti Drugs,

---

How to calculate LT Network length in power distribution ? Service cable length considered or not?

0 Answers   Torrent Power,

---

arrange to send solved question and answer its easy to study and understand the thing, because of Exam is to be conducted shortly

1 Answers  

---

How to test the thyresitor or SCR by multmeter?

5 Answers   ABB,

---

What is method of calculating the fault current for a MDB, 50KW, 3PH, 415V, 50HZ?

0 Answers   L&T,

---

Hi, i want to know is meant by power quality? How it can calculated ? How we can improve?

1 Answers  

---

what is the operation of UPS ? can any one answer me?

7 Answers  

---

how much earthings are provided for 22KV HT Metering Kiosk

1 Answers   GE, Gionee, Knight Frank, TATA, Vacmet,

---

Scott connection is used for A 3-phase to 2-phase conversion B to achieve higher effciency C to save copper D to reduce harmonics

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  

---

Why not LED burn after showing alarm,as Alarm volt is 11- 13,But LED is of3 volt,why it isnt Burn??

1 Answers  

---