why we are having many type of vector group in the transformer ,what is the use of it?2 4067
Upto what extend the powerfactor of a supply system can be improved to be cost effective?1 2909
How to calculat size of copper & aluminium ?6 8140
What is an Automatic Voltage Regultor & what is its use? What are the general componets we use to design an Automatic Voltage Regulator..What are the factors to be considered for its design?3 5167
What will happen if 230V DC motor connected to 230V AC Supply?15 54263
Two electronic energy meters are connected to seperate phase wires, but connected to a looped neutral. Are these going to function correctly?
what are the type of transformer?4 8942
How to calculate the External Resistance required for 60HP slipring motor in case no any data of the Motor is available???
In control room of our one plant there is a continuously the incoming power goes to PC is vary,means in stabilizer it continuously indicate from high input to low and low input to high. what is the reason and its solution.
Please tell me the power flow from pmg to main rotor of an alternator (Including AVR unit)?
The sodium vapor lamp is not glows when it is connected a distance of 5 meters above from gearbox, why ?
why we use two slope(differential & restraining) in differential relay.but in busbar protection differential we are using only one slope?please explain
Pl. brief about break-down maintenance of machine tool.
why incomer bay is required before transformer bay if there are more than 1 nos. of transformer bay.
Define cuttoff frequency?
What is a DC series motor?
How colour picturetube works & how many year it will works.
how to select size of hardware for linking aluminium busbar is it depend on area of busbar or current flowing through bus bar
what will happen if ac and dc supplies given
what is the difference between electrical and electronic choke?
What are the reasons for the parallel operation of transformers?
sir i have a car stereo system and there is jack on him so can u tell me a way to find out their power terminals on the jack or on the circuit board"