What is meant by soft starter used in motors?

4 Answers  

---

How we can calculate the capacity the Air Condition capacity? like 1 or 1.5 ton's, What is the means of volume of Ton's in capacity of Air Compressor? Why in ton's,? not any other Volume?

2 Answers  

---

what happend when 230v dc motor we supplied a 23v ac supply

3 Answers   Hero MotoCorp, RRB,

---

What is the diff btw Conventional & Addressable Fire Alarm System???

5 Answers   Emerson,

---

Main advantage of auto transformer over two windings transformer is that A it needs no cooling B it uses only one winding C core losses are reduced D it has simple construction

0 Answers  

---

Is VVVFD reduced the starting current of an induction motor?

1 Answers  

---

DO MEGGER TEST APPLIED ON SURGE ARRESTOR? IF YES THEN WHAT ARE THE ACCEPTED R VALUE REQUIRED FOR SURGE ARRESTORS FOR VOLTAGE LEVEL 11KV, 33KV

2 Answers  

---

i have total 8 dg sets for synchronizing and 2 buscoupler,1 sectoin dg no 1,2,3,and 2 sectoin dg no 4,5,6,and last section dg no 7,8 ....if buscupler no 1 and 2 is off mode ..than dg no 1,2,3,will synchroniz of another dg sets?

0 Answers   Crown Buildtech,

---

what is name of transformer oil ?

58 Answers   L&T, MPSEB, OPTCL, Practical Viva Questions, Servo, TATA, XLPE, ZGL,

---

why ct ,cvt should be stored in a vertical position?

0 Answers   Balco,

---

On what basis no of earth pits are to be decided either for transformers or for equipment?

8 Answers   BEL, Reliance,

---

Why we use Carbon & graphite mixxed brushes in the DC motor?

6 Answers  

---