Answer / akhil.goyalanager1985

the megger value show the dielectric strength of the
insulation .through megger we conclude that the
deterioration of the insulation. & the value of megger
shoulb be greater than

2*kv+1=Mohm
As per therotical point of view .

Answer / mukesh thakur

if you are asked to charge a m/c urgently, you can go for dummy charging using 3-phase load through a, say 16A MCB, and if the MCB does't trips then there is no problem you can go for permanent charging.

what is S.T?specify the range?

2 Answers  

---

electromechanical relay type identification example : type=tjmh t-stants for j- m- h-

0 Answers  

---

which mm cable should be used for 1.hp immersible pump motor for the distance of 330 metres?

0 Answers  

---

what is the difference between ac and dc?

1 Answers  

---

hai every bodi please let me know the test procedure for lightning arresters.

2 Answers  

---

what is a difference berween line voltage and phase voltage?

2 Answers  

---

1000 W bulb takes 4.16 Amps at 240 volt then what will be the KWH & if i am using 1000 W bulb at 180 Volt the amps will be 5.55 then what will be KWH????????????????

2 Answers  

---

why any centrifugal blower draw more current in starting. consider id fan and fd fan?

0 Answers  

---

Difference between rating factor of cable and derating factor of cable?

0 Answers  

---

What are the weight of 800KV DA,DB and DC type tower ?

0 Answers   L&T,

---

how much maximum load a 2 core (Single phase) 16mm aluminium wire can take ?

0 Answers  

---

what dose the arrow indicate in the symbol of power transformer?

1 Answers  

---