how many earthing required for ups, what should be the earth voltages

9 Answers   Juniper Networks,

---

I have three phase 400 KW,390 A MOTOR.For this motor which type of Cable is required....specifically rubber cable required. Can anyone help me..

5 Answers  

---

Which is the best protection in case of shortcircut fuses or mccb ?

2 Answers  

---

concept of busbar and load dispatching..?

0 Answers  

---

Explain and give examples about VCB?

0 Answers   AZ Engineering, Vodafone,

---

Define conversion efficiency of a power amplifier.

0 Answers  

---

Difference between On Line capacitor and Station Type capacitor.

0 Answers  

---

How the capacitance og capacitor volatage transformer is decided?

0 Answers  

---

What is difference between Sample test and Routine test in safety standard?

0 Answers   Chicony Electronics,

---

Can the output voltage of a rectifier be greater than the input AC voltage without the use of any voltage multiplier in the circuit??please provide the explanation too..

0 Answers   IOCL,

---

what is the minimum recommended leakage current of an earthed cable connected to the body or skid of an alternator

0 Answers  

---

derive the e.m.f equation of transformer

2 Answers  

---