Measurement and instrumentation 3 min read
Analog Instrument
The analogue instrument is defined as the instrument whose output is the continuous function of time, and they have a constant relation to the input. The physicals quantity like voltage,…
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Measurement and instrumentation 2 min read
Deflection and Null type Instruments
In electrical measurement systems, there are two main principles that are employed for the purpose of Instrumentation. These are known…
Measurement and instrumentation 3 min read
Active and passive instruments
We can divide instruments into active and passive according to the consumption of power.”Active” means is that some component inside…
Measurement and instrumentation 14 min read
Introduction to measurement
Measurement techniques have been of immense importance ever since the start of human civilization, when measurements were first needed to…
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…
