Why is line transposition done ?

1 Answer

Answer :

The average inductance value of each line is found to be equal when transposed.

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Last Answer : Answer : In order to restore the balance of the unbalanced three phase line of unequal distance, interchangeable space is arranged between each wire at regular intervals. This type of transmission in a transmission line is called transposition.

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Last Answer : Soldering is done to increase the strength and durability of electrical wiring joints and to ensure uninterrupted wiring and protection from corrosive processes due to unforeseen nature.

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Last Answer : Earthing is done to allow the current to flow to the ground during an electrical fault so that the protection device can work to disconnect the faulty circuit.

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Last Answer : Food is cooked with electric oven.

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Last Answer : Only resistance is measured with ohm meter.

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Last Answer : Cross arm steel is made of angle section or wood. Nut-bolts , clamps, etc. are firmly attached to the head of the pole. Cross arm s insulators and conductors carry the wire.

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Last Answer : Answer : The transmission line is a bilateral circuit.

Description : What is a long transmission line ?

Last Answer : A transmission line that is more than 150 km long and has a line voltage of more than 100 kV is called a long transmission line.

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Last Answer : These 3 factors create voltage drop and power loss of the line. The inductive reactance creates a voltage drop across the line and the capacitance creates a charging current.

Description : What is a middle transmission line ?

Last Answer : Transmission line length from 50 km to 150 km and line voltage from 20 kV to 100 kV is called medium transmission line.

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Last Answer : Capacitance is ignored due to low line length and low line voltage.

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Last Answer : 3 types of transmission line. Namely- 1) Short transmission line , 2) Medium transmission line , 3) Long transmission line.

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Last Answer : A transmission line that is limited to a length of 50 km and a line voltage of 20 kV is called a short transmission line.

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Last Answer : The ratio of the power of the receiving end of a transmission line to the power of the transmitting end is called the efficiency of the transmission line.

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Last Answer : : Using a damper on the transmission line protects the pole from vibration.

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Last Answer : Following reasons the transposition of conductor:  1. Due transposition of conductor inductance of each line is same LA = LB = LC, So drop due to inductive reactance in each line is same so ... interferences are less due to transposition.  Figure of transposition of conductor: 

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