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Which of the following is NOT the parameter/s of the transmission line?
  • a)
    Shunt conductance
  • b)
    Resistance
  • c)
    Series inductance
  • d)
    Series capacitance
Correct answer is option 'D'. Can you explain this answer?
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Most Upvoted Answer
Which of the following is NOT the parameter/s of the transmission line...
Introduction:
Transmission lines are used to transmit electrical energy or signals from one place to another. They are used in various applications such as power transmission, telecommunication, and networking. Transmission lines have certain parameters that define their characteristics and behavior. These parameters include resistance, inductance, capacitance, and conductance.

Explanation:
In the given options, the parameter that is NOT a part of the transmission line is series capacitance. Let's understand why.

Resistance (Option B):
Resistance is a parameter that represents the opposition to the flow of electrical current in a transmission line. It is caused by the conductor material and contributes to power loss in the form of heat. Resistance is an essential parameter to consider in transmission line analysis.

Inductance (Option C):
Inductance is a parameter that represents the ability of a transmission line to store energy in a magnetic field. It occurs due to the magnetic field generated by the current flowing through the conductors of the transmission line. Inductance affects the impedance and propagation characteristics of the transmission line.

Capacitance (Option D):
Capacitance is the ability of a transmission line to store energy in an electric field. It occurs between the conductors of the transmission line and the surrounding environment. Capacitance can cause voltage imbalances and affect the propagation characteristics of the transmission line.

Shunt Conductance (Option A):
Shunt conductance is a parameter that represents the leakage of current from the transmission line. It is caused by the insulation properties of the transmission line and its surroundings. Shunt conductance contributes to power loss and affects the overall performance of the transmission line.

Conclusion:
Among the given options, the series capacitance is NOT a parameter of the transmission line. Resistance, inductance, and shunt conductance are all important parameters to consider when analyzing the behavior and characteristics of transmission lines.
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Community Answer
Which of the following is NOT the parameter/s of the transmission line...
Components or Parameter of Transmission Line:
  • A transmission line has three constants R, L, and C distributed uniformly along the whole length of the line.
  • Note: There is also a fourth constant i.e., shunt conductance. It represents the conductance between conductors or between conductor and ground and accounts for the leakage current at the insulators. It is very small in the case of overhead lines and may be assumed zero.
  • The resistance and inductance form the series impedance.
  • The capacitance existing between conductors for a 1-phase line or from a conductor to neutral for a 3-phase line forms a shunt path throughout the length of the line.
  • Therefore, capacitance effects introduce complications in transmission line calculations
  • The leakage conductance takes into account the energy losses occurring through leakage over the insulators or due to the corona effect between conductors. 
  • The leakage current through shunt admittance is maximum at the sending end of the line and decreases continuously as the receiving end of the circuit is approached at which point its value is zero
Important PointsThe following points may be noted:
  • The line constants are uniformly distributed over the entire length of the line as is actually the case.
  • The resistance and inductive reactance are the series elements.
  • The leakage susceptance (B) and leakage conductance (G) are shunt elements. The leakage susceptance is due to the fact that capacitance exists between line and neutral.
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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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Which of the following is NOT the parameter/s of the transmission line?a)Shunt conductanceb)Resistancec)Series inductanced)Series capacitanceCorrect answer is option 'D'. Can you explain this answer?
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