Types Of Transmission Line - industrialjob.in

Chemical Plant Interview Related Question & Answer

28 October

Types Of Transmission Line

Classification Of Transmission Line



1) Short Transmission Lines

2) Medium Transmission Line

3) Long transmission Lines




1)  Short Transmission Lines



➡ Transmission Line Length 80 KM

➡ Operating Voltage 20KV

➡ Types Of  Pole Used: wooden Pole. R.C.C Pole used.

➡ Types Of Insulator used:  Shackle Insulator , Pin Insulator  Post insulator used      (some time as per condition  Suspension Types insulator used)

➡ little distance and low voltage capacitance effect negligible

    this transmission line Performance only consider resistance and inductance.

2) Medium transmission line



➡ Transmission line length  between 80Km  and 240Km

➡ Operating voltage 20KV To 100KV

➡ Types Of  Pole Used: Steel Pole, Rail Pole, Steel Tubular Pole

➡ Types Of Insulator used: Suspension Insulator, Strain Insulator

➡ Line performance: Capacitance resistance and inductance consider

3) Long Transmission Line

➡ Transmission line length  Above 240KM

➡ Types Of  Pole Used : Lattice Steel Tower(galvanization coated steel tower)

➡ Operating Voltage Above 100KV

➡ Types Of Insulator used: Suspension Insulator, Strain Insulator

➡ Long Transmission line Constant are considered uniformly Not Lumped Over          entire length Of line


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