Answer / raghavendra

In conventional fluorescent lamps (4 feet long) and in CFL's the used component is a choke. It is a leak transformer(made of bulk coil winding ) produces a inductive kick in the form of high voltage nearly 1000 volts so that the electrical discharge could be struck along the tube.so in fluorescent lamp choke acts as to initiate the electrical discharge process

What is ferro-resonance in electrical system? Why it occurs and what are measures to prevent it?

0 Answers  

---

CAn any one can tell me what is the operation of ceiling fan and how it will start

2 Answers  

---

what will happen when a bulb s connected btwn two phases of a three phase delta connected source?

6 Answers  

---

At light load transformer efficiency is less because A secondary output is low B transformer losses are high C fixed loss is high compared to output D copper loss is small

1 Answers  

---

what is VFD and how to save the power by using VFD?

7 Answers  

---

what happens if generator is running leading power facotor?

9 Answers   century,

---

why core losses and copper losses does not depend on power factor?

5 Answers  

---

What is Procedure the procedure to select CT's & PT's in 66kV and above substation

1 Answers  

---

What is the maximum size(MVA)of power transformer available in the India/world?

13 Answers   Adani,

---

From, which load current range ( upper - lower limit current)can Air circuit breaker used for in electrical circuit.

4 Answers   ABC,

---

1. What are the tests to be carried out for CBCT? 2. can measure the secondary resistances? 3. with respect to secondary maximum how much voltage can be applied for IR test.

0 Answers  

---

How can i calculate knee point voltage of 800/5A Current transformer?please explain me with suitable calculation?

2 Answers  

---