Transmission and distribution 3 min read
CONCEPT OF SELF-GMD AND MUTUAL-GMD
The use of self geometrical mean distance (abbreviated as self-GMD) and mutual geometrical mean distance (mutual-GMD) simplifies the inductance calculations,…
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Transmission and distribution 4 min read
INDUCTANCE OF A SINGLE PHASE TWO-WIRE LINE
A single phase line consists of two parallel conductors which form a rectangular loop of one turn. When an alternating…
Transmission and distribution 3 min read
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 along the whole length of…
Transmission and distribution 5 min read
EHVAC and HVDC Transmission System
Development of EHV transmission systems EHVAC The first 735 kV system was commissioned in Canada in 1965. Since then, voltage…
Transmission and distribution 4 min read
A.C. DISTRIBUTION CALCULATIONS
In the beginning of electrical age, electricity was generated, transmitted and distributed as direct current. The principal disadvantage of d.c.…
Transmission and distribution 3 min read
CONNECTION SCHEMES OF DISTRIBUTION SYSTEM
All distribution of electrical energy is done by constant voltage system. In practice, the following distribution circuits are generally used…
Transmission and distribution 3 min read
OVERHEAD VERSUS UNDERGROUND SYSTEM
The distribution system can be overhead or underground. Overhead lines are generally mounted on wooden, concrete or steel poles which…
Transmission and distribution 3 min read
AC DISTRIBUTION
Now-a-days electrical energy is generated, transmitted and distributed in the form of alternating current. One important reason for the widespread…
Transmission and distribution 13 min read
DISTRIBUTION SYSTEMS – GENERAL
The electrical energy produced at the generating station is conveyed to the consumers through a network of transmission and distribution…
Transmission and distribution 3 min read
BASIC ELECTRIC POWER
Electric power is the product of two quantities: current and voltage. These two quantities can vary with respect to time…
Renewable Energy Systems 2 min read
Hybrid Energy
As renewable energy technologies become more advanced, there is a growing interest in the benefits of combining two or more…
Renewable Energy Systems 5 min read
Ocean Thermal Energy Conversion
Ocean Thermal Energy Conversion (OTEC) is a process that can produce electricity by using the temperature difference between deep cold…
