what is the relation between size of the anteena and wavelenghth of radiated wave

2137

when measure the core loss of three phase distribution transformer or three phase reactor loss, one phase shown negative watt loss. why??

1941

if 6 earth pit value is 1.5 ohm then what should be the number of earth pit to make the value .8 ohm

2171

what is upper impedance and lower impedance of a distance relay

1990

Is it possible to measure correct value of earth resistance & cable insulation ristance with out disconncting earth lead & both sides of cable ends? If not, any other method to measure ER & CIR with out disconneting from the system.

2064

Instrument connected to a single phase supply

1655

How to Calculate the Fault Level of Electrical Installation

2225

Why hydropower is called renewable source of energy?

993

Single line diagrams for star to delta and DOL starters.

2218

if grounding is notdone at regular intervals for long distance transmission, will the load connected at distribution end receive voltage during negativehalf cycle of the sine wave?

1986

How to size Air Circuit breaker (ACB)? What is the most important factors?

2197

Why lose 1 phase voltage in 33kv to 415v stepdown transformer

1701

What happened when capacitor connect series in ac circuit?

1429

what is meant by re-rolling motor? how it differs from standard motor?

1969

from generating station If 400v LT line length is 1000m how much voltage is drop and how do i calculate it? which cable will be use for this line?

1985