Draw transformer phasor diagram.(full load,no load)

0 Answers   PowerTech, Trine,

---

do anyone out there know where to find a compleete list on acronyms/abbreviations used in offshore electric engineering. MCB - Micro Circuit Breaker, MCCB-Mouldes Case Circuit Breaker, ELCB-Earth Lekage Circuit Breaker, ELMCB- etc.....

0 Answers   Aibel,

---

In our plant we are having 6.6 v motor wih MV drive running frm last two years.udenly at some speed motor getting vey vibrations what is the problem

2 Answers   ITC Infotech,

---

I Need standard operation procedure(SOP)for 500kva Oil type transformer oil filtration & Procedure for IR value checking.

0 Answers   Reliance,

---

In EHV transmission line a neutral grounding reactor is often placed at neutral point of shunt reactors. What is the recommended protection for this neutral grounding reactor? Should I use a fast closing switch to bypass neutral grounding reactor when this protection operates?

0 Answers   TATA,

---

why we need the starters for motors

1 Answers   L&T,

---

Why electrical heaters are not provided with overload relays in circuits

1 Answers  

---

I don't understand why when we connect high voltage source in DC to electronic motor , we must add capacitor and resistor in parallel ? (I know that we use capacitor because we want to absorb the current that in the first second electronic motor in opposed with current course produce. ) what are the feature of Resistor and in such situation ?

0 Answers  

---

List of equipments required foe industrial repair lab.

0 Answers  

---

sir, in a industry present pf is 0.54 pf 25hp power is there its want improve 0.9 pf. which suitable capacity capacitor is suitable please inform me.

2 Answers  

---

If ac 230volts inputsupply to full wave rectifire what is D C output voltage.

3 Answers  

---

why it is necessary to maintain frequency constant in a power grid ?

1 Answers   NTPC,

---