what is the purpose of vector group in a transformer ? if 2 tranaformers r connected in parallel the vector group is same or not? for parallel operation 2 transformers of different manufacturers maintain same vector group or not?

3 Answers   Orchid,

---

If there is no problem with the electronic circuit and regulator then why the motor start rotating at low value of regulator with full speed both at laod and no load??? and if my judgement of circuit is wrong then what is your openion?

1 Answers  

---

What is the Designing & Selection Procedure for a DG/Transormer of rated capacity?

0 Answers   SCS,

---

my N-P 230 VAC at 3 wires but i haven't any voltages at phase to phase whither my supply is 3 phase, why i haven't received these line to line voltages ?

2 Answers  

---

WHAT WOULD BE THE FORMULA OF WIRE GAUGE FOR A FULL LOAD CURRENT

0 Answers   APGenco,

---

---

how we calculate the motor rating of pump for water suction ?its any formula for that plz give thank u

3 Answers  

---

What are the loading factors to be considered for transformer sizing/selection?

3 Answers  

---

why we increase the small speed of turbine when alternator just synchronized to grid in steam power plant

2 Answers   PSEB,

---

what is diff. between earthing grid,earthing mess, earting grid?

0 Answers   Century Rayon, Emco, Tailor Solution,

---

What are safety features considered for Lifts during emergency?

1 Answers  

---

What is VCB? Where it is installed?

11 Answers   Hyundai,

---

What is the full form of SON-T lamp?

1 Answers   HAL,

---