What is main purpose of chock coil and starter in florescent tube ?

1 Answers  

---

While testing LA mast,What are the parameter limits ?

0 Answers   TATA,

---

What is difference between incomer & outgoing type Vaccum Circuit Breaker?

2 Answers   VBG,

---

Starting current of a 10 HP induction Motor is ______ time’s full load current.

0 Answers  

---

Why dry type cast resin transformers tap link blast in HV side while power shut down times on load?

0 Answers  

---

---

How many types of Transformer testing..

1 Answers  

---

What is cable gland,why does use for?

5 Answers   ABB,

---

What is the instrument to check the rotating diode fuse of alternator in running conditions?

0 Answers  

---

why not use capacitor in Dg sets.

10 Answers   Birla,

---

Hi Suppose we have a wye/wye transformer which is grounded at both sides,in this situation, do we have ay ground transformer? in other words, ground transformer can do any thing more (while we have nuetral wire in both sides)? As the last question, what about 3rd harmonic? we have two choices: first using wye/delta transformer + ground transformer and second using wye/wye earthed connection.in the former choice, we dont have 3rd harmoonic at the secondary side but what about Yn/yn conection? do we suffer from 3rd harmonic in the Yn/yn connection?

0 Answers  

---

why the starting current of a motor is high?

3 Answers   ITC Infotech,

---

What is battery Amphere-hour? How the battery back up time period is calculated?

2 Answers  

---