what is the string efficiency

1 Answers  

---

What is IDMT relay how it works.

3 Answers   Electrotherm, Sulzer,

---

What is the difference between PS & metering CT (5p20,0.5 etc.)? Why in PS class CT only Vk is given ? Is PS class CT is more accurate than metering CT?

0 Answers  

---

what is the magnitude of earthing and neutral voltage

2 Answers  

---

30 kva ups may kitne output voltage hote h

1 Answers   ME,

---

what is the value will come when megger the phase to phase ,phase to neutral ,phasae to ground ?

3 Answers  

---

How to decide no. of Step and Kvar for APFC Panel 40 kvar MD: 33.12 KVA Avg pf : 0.8540

0 Answers  

---

What is pole of the system?

0 Answers  

---

How to reduce power factor correction capacitors failure in an industrial environment with vsd and computers usage in the system

2 Answers   ABB,

---

what is bus duct and what is differance between bus duct and bus bar

6 Answers  

---

why 30 ma elcb is used ?why cant 100 ma?

3 Answers  

---

why the transformer was not rotating like a motor?

5 Answers   TATA,

---