Answer / sms

Hv motors cold start can be permitted 3 / hour and hot start permitted only 2 / hours.

what is the diffrence between dol and star delta strater? why star delta starter used instead of dol?

3 Answers  

---

State ohm’s law?

0 Answers  

---

what can be the causes of capacitor start motor having a higher current that its actual

0 Answers  

---

Is 2000kva stabilizer suitable for 1h.p split air conditional

2 Answers  

---

How much current flow in no load condition of a motor?

8 Answers  

---

what is power factor

5 Answers   Exide,

---

What do we use in Motor core laminations..???CRGO or CRNGO..and why..????

1 Answers  

---

what are the different methods for the starting of a synchronous motor.

0 Answers  

---

what is the difference between kva and kw ?

5 Answers   TCS,

---

How to calculate no of Lighning arrestors are required for protecting 50mX 50m*20m cubical building and locations of LA?

0 Answers   HAL,

---

A 7 storey building has a floor area of 35,000sq.ft on each storey. On the ground floor 11KV electrical sub-station is to be erected. A load of 3kw for every 400sq.ft (p.f is 0.8) is proposed for each floor. fire pump 7.5hp, water pump 5hp, lift 2 nos, each 10hp and 20shop load of each shop is 5kw. calculate a. load each floor b. total load of building c. L.T feeders for aech floor and from transformer to main. d. distribution diagram e. capacity of sub-station/capacitor bank f. line diagram

0 Answers  

---

How the capacitance og capacitor volatage transformer is decided?

0 Answers  

---