Answer / db

refer the torque slip characteristic with star delta starter you will get it

If a contactor need to replace with faulty one. what I want to check?

2 Answers   Bhel,

---

Why MCCB is Getting tripped sometimes when there is no load in the Midnight ?

0 Answers  

---

Explain the operation of grid connected central solar inverter ?

0 Answers  

---

What is battery Limit ?

4 Answers   NDDB,

---

why our indian system choose the 230 volt for single phase&415 for 3-phase voltage,in forign side 110 volt is used what is the difference

4 Answers   Jindal,

---

---

What is the Ramping rate of Generator. What mena Ramping rate

2 Answers   Siemens,

---

what is a tri vector meter? what are the tri vectors?

2 Answers  

---

expansion of rccb

3 Answers  

---

what is the working of loss of excitation relay (40G)? how it is work?

1 Answers  

---

What will be the voltage impact on secondary side of two transformers with different vector groups when both voltages are compared.

0 Answers   APTransco,

---

what are the basic concept to design a out door Substation?

1 Answers  

---

why does chattering take place in ac contactors? can it be avoided & what care does the manufacturer take to eliminate this phenomenon????

10 Answers  

---