which type of capacitor store high amount of energy for long
time ? ( polarized or unpolarized )
What kind of earthing method can be useful for ships and boats ?
if 11 lead acid batteries each 200 amph are connected in series so that combinly they can produce 110 volts dc. question is how much backup it can provide ? 2) how can we calculate that how much amprere and voltage is required to charge them . thanks in advance !
What is the difference between LT & HT Cable
why in america the supply frequency is applied as 60 HZ. but in india we use 50 HZ.
1 Answers Elcom International, HCL, NTPC, OMC,
What happen to the transformer if the OLTC frequently used for lower and raise occured 50times daily?
Why VCB is required and ACB is also require? what is the BDV of Trafo of 11/33 KV
In Battery Charger - What is the meaning of End Cell Voltage and Float Voltage.
9 Answers FLSmidth, Focus, PSEB,
what s d difference between inverter an ups
What phase difference between p and s winding of transformer
Actually I have a doubt on neutral and earth.we use Ac power without taking neutral by connecting to earth,but at that time does it affects on efficiency of any electrical components or no? If yes how?
How to test the vector group of a Yd11 transformer? what are the relations to be checked between various vectors to confirm this vector group?
Difference between online and offline UPS?