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…
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CONCEPT OF SELF-GMD AND MUTUAL-GMD
The use of self geometrical mean distance (abbreviated as self-GMD) and mutual geometrical mean distance…
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INDUCTANCE OF A SINGLE PHASE TWO-WIRE LINE
A single phase line consists of two parallel conductors which form a rectangular loop of…
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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…
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EHVAC and HVDC Transmission System
Development of EHV transmission systems EHVAC The first 735 kV system was commissioned in Canada…
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A.C. DISTRIBUTION CALCULATIONS
In the beginning of electrical age, electricity was generated, transmitted and distributed as direct current.…
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CONNECTION SCHEMES OF DISTRIBUTION SYSTEM
All distribution of electrical energy is done by constant voltage system. In practice, the following…
Posted inTransmission and distribution
OVERHEAD VERSUS UNDERGROUND SYSTEM
The distribution system can be overhead or underground. Overhead lines are generally mounted on wooden,…