Transmission and distribution 2 min read
Load impedance effect on incident wave and reflection wave due to surge.
We know the term transmission and reflection coefficient of a medium when they are to transfer any sorts of wave due to…
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Low power factor effect in transmission and consumer electrical system.
Low power factor effect has some adverse impact on both the transmission line and also in the consumer electrical system.…
Transmission and distribution 3 min read
Capacitor and its behaviour
Figure shows a capacitor consists of two pieces of metal (the plates) separated from each other by a good insulator…
Transmission and distribution 5 min read
Tower spotting
From the field book entries, the route plan with enroute details and level profile shall be plotted and prepared to…
Transmission and distribution 8 min read
MECHANICAL DESIGN OF TRANSMISSION LINE
SAG IN OVERHEAD LINES While erecting an overhead line, it is very important that conductors are under safe tension. If…
Transmission and distribution 5 min read
GRADING OF CABLES
The process of achieving uniform electrostatic stress in the dielectric of cables is known as grading of cables. It has already…
Transmission and distribution 10 min read
CLASSIFICATION OF CABLES
Cables for underground service may be classified in two ways according to (i) the type of insulating material used in their…
Transmission and distribution 4 min read
INSULATING MATERIALS FOR CABLES
The satisfactory operation of a cable depends to a great extent upon the characteristics of insulation used. Therefore, the proper…
Transmission and distribution 4 min read
INSULATED CABLE
Electric power can be transmitted or distributed either by overhead system or by underground cables. The underground cables have several…
Transmission and distribution 4 min read
INSULATOR TESTING TYPES
According to the British Standard, the electrical insulator must undergo the following tests 1. Flashover tests of insulator 2. Performance tests 3. Routine…
Transmission and distribution 2 min read
STRING EFFICIENCY
As stated above, the voltage applied across the string of suspension insulators is not uniformly distributed across various units or…
Transmission and distribution 4 min read
TYPES OF INSULATOR
There are mainly three types of insulator likewise 1. Pin Insulator 2. Suspension Insulator 3. Stray Insulator 4. Shackle Insulators 5. Stay Insulator In addition…