Posted inBasics
Posted inTransmission and distribution
PERFORMANCE OF SINGLE PHASE SHORT TRANSMISSION LINES
As stated earlier, the effects of line capacitance are neglected for a short transmission line.…
Posted inTransmission and distribution
CLASSIFICATION OF LINES
The important considerations in the design and operation of a transmission line are thedetermination of…
Posted inTransmission and distribution
CORONA
When an alternating potential difference is applied across two conductors whose spacing is large as…
Posted inTransmission and distribution
CONDUCTORS
Commonly used conductor materials: The most commonly used conductor materials for over head lines are…
Posted inTransmission and distribution
INDUCTIVE INTERFERENCE WITH NEIGHBOURING COMMUNICATION CIRCUITS
It is usual practice to run telephone lines along the same route as the power…
Posted inTransmission and distribution
CAPACITANCE OF A SINGLE PHASE TWO-WIRE LINE
Consider a single phase overhead transmission line consisting of two parallel conductors A and B…
Posted inTransmission and distribution
CONCEPT OF SELF-GMD AND MUTUAL-GMD
The use of self geometrical mean distance (abbreviated as self-GMD) and mutual geometrical mean distance…
Posted inTransmission and distribution
INDUCTANCE OF A SINGLE PHASE TWO-WIRE LINE
A single phase line consists of two parallel conductors which form a rectangular loop of…
Posted inTransmission and distribution
PARAMETERS OF SINGLE AND THREE PHASE TRANSMISSION LINES WITH SINGLE AND DOUBLE CIRCUITS
CONSTANTS OF A TRANSMISSION LINE A transmission line has resistance, inductance and capacitance uniformly distributed…
Posted inTransmission and distribution
EHVAC and HVDC Transmission System
Development of EHV transmission systems EHVAC The first 735 kV system was commissioned in Canada…