Answer / balamurugan

online ups no change over time (0 ms)from EB supply to Battery supply. offline ups some mls time to change over from EB supply to battery supply (more or less 3 ms )

An AC Motor to give DC supply what happen the motor.whats the problem are create.

2 Answers  

---

suppose a fan is running with phase and neutral. if its neural is touched to body. then fan get stopped. if this fan is connected to phase and ground supply..then why it runs?

1 Answers  

---

what do you mean by star connection?

4 Answers   Denver, Satyam,

---

I FINISHED MY B.TECH IN EEE . I AM IN NEED OF A GOOD TRAINING INSTITUTE TO DO COURSES .. CAN ANYONE SUGGEST GOOD CENTRES IN TAMILNADU ,BANGALORE ,OTHER AREAS???????

0 Answers  

---

why is only master neutral contactor is made to switch in synchronization of dg sets

4 Answers   Honeywell,

---

---

what is diff. between earthing grid,earthing mess, earting grid?

0 Answers   Century Rayon, Emco, Tailor Solution,

---

25 kva 3 phase dg how many current will take per phase , plssssssss reply me

3 Answers   Bharti,

---

What is the use of starter in tube light fitting.how it works.

3 Answers   JSW,

---

what is phantom load, Give any example

2 Answers  

---

how fault in an electric system is detected & hw protection of equipments is done ?

6 Answers   NTPC, RLY,

---

What is ignition module of a CAT Gas Genset G-3508 Engine, Alternator SR4B Series. HOw its checked for correct functioning.Is it repiarable or replacable?

0 Answers  

---

What it the purpose of parallel phasing transfomers??

0 Answers   Asia MotorWorks AMW,

---