Answer / saiprasad

TEA1716T

Whats the principle of lightning? How protection against lightning is achieved? Types of protection? How to select the height of lightning spike? as per the area.

4 Answers   HAL,

---

1.what is the funtion of chiller primary & scondary pumps. 2.what is the use of distribution lines & Types. 3.what is the use the thermal power stations & how much capacity.

0 Answers   Wipro,

---

what is phase to phase fault? what is line to line fault?

2 Answers   Phoenix Technologies,

---

What is the kva?

2 Answers   Makino Auto, SAL Steel Power, Sapphire Group,

---

how to calc. current for 5MVAR,50hz,33kv

1 Answers  

---

There is 15 KVA UPS using for single phase load.And 30 batteries of 12 V, 100 Ah are connected in series. Load is taking 15 A current.What will be the back up power for this UPS on same load?

1 Answers   BS, Dynamic Software,

---

how is choose &depending upon the load why?

1 Answers   HCL,

---

A 230V, 60W bulb when connected to 230v supply what current and power will consume, if same bulb is connected to 200v what purrent and power will consume?

3 Answers  

---

Why is transformer connect parallel? why not series? ....plz...

3 Answers   wbsedcl,

---

WHY BLADE & JOW OF ISOLETOR IN SUBSTATION?

1 Answers   BRG, Voltech,

---

We have three 33kv substations. All of them energised by same source.When i am checking the phase sequence between one substation to other substation (like R Phase to R Phase) by multimeter i am getting some voltage.Near to LT panels UPS panels are there. Can u explain whether any possible to happen like that. In Phase SEquencemeter is showing correctly in both substations. How is it happen. Explain me.Explain me communication signal will produce Phase difference on this case.

3 Answers  

---

what is load cell

3 Answers   TATA, Wipro,

---