Primary distribution systems carry electricity from the main substations to the local distribution transformers. These systems operate at higher voltages than those used by end consumers.
Several voltage levels are used globally for primary distribution, but certain levels are more common or considered standard in specific regions.
Therefore, the standard voltage commonly used for primary distribution among the choices is 11 kV.
The correct option is 11 kV.
The minimum clearance distance that equipment should be kept away from 50 kV power lines is:
For household wiring and small units, the following should be used as a safety measure:
The capacitance and inductance per unit length of a three-phase line, operating at 110 kV are 0.01 μF and 2.5 mH. The surge impedance of the line is:
Which of the following statements about the EHV lines is INCORRECT?
Now-a-days, aluminium wires are more widely used than copper because
The factor on which earth resistance value depends on
Steel poles are painted to prevent them from: