Answer / k.prakashchandra

Speed regulation i.e Load vs Speed ,as slip in electric motor as load increases

Can somebody tell me the type and amp of transformer used to implement 600VA UPS? Thanks in advance.

1 Answers  

---

what kind of motors are used in the winders of coal field?and what are the various methods of it's speed control?

1 Answers   Monnet,

---

in communication what is the role of elelctrical engineer?

3 Answers   Quippo, Reliance,

---

What is the make of breakers, transformers, generators? What are their capacities and ratings?

4 Answers   Bharat Bijlee, GHPPL, Tata Motors,

---

IN star -delta motors normally first operated in star mode {absulated given (r-y-b) phases after one miute change in delta mode in this case i am change phase sequience for example R -PHASE TO CHANGE Y-PHASE ;Y-PHASE TO CHANGE R-PHASE SO THIS TIME MOTOR WILL HAPPEN RUNNIG MODE EIGHTER(OR) STOP MODE(TRIP MODE)

6 Answers   MacLellan,

---

---

What is the function of Buchholz relay in transformer ?

1 Answers  

---

how will i find Transformer rating if supply voltage is 11k.v and how will i find incomer if transformer rating is 12MVA

3 Answers  

---

Application wise, where we should use AC motors and where we should DC motors?

1 Answers   Nespak,

---

what are the reasons for overheating in electrical machines?

3 Answers  

---

How line capacitance & line inductance varies with increase in height tower.

0 Answers  

---

What is the size of a 60 watt and 80 watt tubelight?

0 Answers  

---

State the difference between Three winding transformers and Two winding transformers ? where its used?

8 Answers  

---