Answer / skj

Star-Delta/Delta-star is prefered so that delta eliminates Zero sequence current and harmonics.

What happened when the field winding of dc series motor is open?

2 Answers   Bhel,

---

what is ten delta ?

2 Answers   ABB, Areva,

---

how system fault level is calculated?

1 Answers   HCL,

---

how vfd drives energy save

5 Answers   PowerTech,

---

when the supply of MSEB is cut off & all the load of the industry is driven on generator at that time the capacitor which is connected in industry for power factor control is switched off why?

1 Answers  

---

what type of earthing is done on hilly rocks.

4 Answers  

---

why transformer rating in KVA or MVA instead of KW n MW??

3 Answers  

---

hi this toufik here. i am doing my b.e.degree.now i am in final year and supposed to do a project in this year so i thinking to control the buchholz relay using software base means checking the status of transformer oil using microcontroler, plc or scada. so can i do so...??? alz suggest me...

2 Answers  

---

why PT Primary are the grounded?

5 Answers   L&T,

---

whay we used silica gel in Transformer

3 Answers  

---

what is consequences of neutral and earth connect?

0 Answers  

---

i want to run 11kv star connected motor in 6.6kv with delta connected throught inverter, is it possible?

0 Answers  

---