capacitance of the line is proportional to the length performance of short having a length less than 80 kilometres and low voltage transmission line In the case of high voltage and long lines it is considered as one of the most important parameters Capacitance of two wire line the capacitance of the transmission line along with the conductances forms the shunted mittens the conductance in the transmission line is because of the leakage over the surface of the conductor Considered a line consisting of two conductors and the each of radius are the distance between the conductors being de-shown in the diagram below minus the potential difference between the conductors and the is where QA charge on conductor at QV Related: Capacitance of Transmission Lines? - EduRev Electrical Engineering (EE) Question

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capacitance of the line is proportional to the length performance of short having a length less than 80 kilometres and low voltage transmission line In the case of high voltage and long lines it is considered as one of the most important parameters Capacitance of two wire line the capacitance of the transmission line along with the conductances forms the shunted mittens the conductance in the transmission line is because of the leakage over the surface of the conductor Considered a line consisting of two conductors and the each of radius are the distance between the conductors being de-shown in the diagram below minus the potential difference between the conductors and the is where QA charge on conductor at QV

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Capacitance of Transmission Lines
The capacitance of a transmission line is an important parameter that affects its performance. It is proportional to the length of the line, with short lines (less than 80 kilometers) and low voltage lines having lower capacitance.

Capacitance of Two-Wire Line
In a two-wire transmission line, the capacitance of the line, along with the conductance, forms the shunt admittance. The conductance in the transmission line is due to leakage over the surface of the conductors.

Calculation of Capacitance
Consider a transmission line consisting of two conductors, each with a radius of 'a' and a distance between the conductors of 'd'. The capacitance (C) of the line can be calculated using the formula:
\[ C = \frac{\pi \varepsilon_{0} \varepsilon_{r}}{ln(\frac{d}{a})} \]
Where:
- \( \varepsilon_{0} \) is the permittivity of free space
- \( \varepsilon_{r} \) is the relative permittivity of the material between the conductors

Charge and Voltage Relationship
The potential difference (V) between the conductors is related to the charge (Q) on one of the conductors by the formula:
\[ Q = CV \]
Understanding the capacitance of transmission lines is crucial in designing and analyzing power systems to ensure efficient and reliable operation.

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it depends on the length of the conductor the capacitance of the line is proportional to the length of the transmission line their effect is negligible on the performance of short having a length less than 80 km and low voltage transmission accidents of the transmission line along with the conductances forms the shunted mittens the conductance and the transmission line is because of the leakage over the surface of the conductor considered a line consisting of two conductors and be each of radius are the distance between the conductors being Des shown in the diagram below minus the potential difference between the conductors and via's work QA charge on conductor QB charge on conductor vvab pencil difference between conductor and the Epsilon minus absolute primitivity QA plus QV = 0 so that QA equals QB - equals DBA equals data equals DB equals our substituting these values and voltage equation we get the capacitance between the conductors is cab is referred to as lying to line capacitance if the two conductors are in VR oppositely charge then the potential difference between them is zero then the potential of each conductor is given by one half bath the capacitance between each conductor and point of zero potential and is capacitive CN is called the capacitance to neut or capacitance to ground capacitance cab is the combination of two equal capacity and VN series thus capacitance to neutral is twice the capacitance between the conductors IE CN equals to Cave the absolute primitivity Epsilon is given by Epsilon equals epsilono Epsilon are where epsilano is the permittivity of the free space and Epsilon or is the relative primitivity of the medium prayer capacitance reactants between one conductor and neutral capacitance of the symmetrical three phase line let a balanced system of voltage be applied to a symmetrical three-phase line shown below the phasor diagram of the three phase line with equilateral spacing is shown below take the voltage of conductor to neutral as a reference phaser the potential difference between conductor and we can be written the similarly potential difference between conductors and sea is on adding equations one and two we get also combining equation three and four from equation 6 and 7 the line to neutral capacitance the capacitance of symmetrical three phase line is same as that of the two wire line Related: Capacitance of Transmission Lines?

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