The shunt admittance of a transmission line is given by

by

1 Answer

Answer :

The shunt admittance of a transmission line is given by Y = G + j ω C

by

Related questions

In which of the following transmission lines, the value of the Shunt admittance should be

Description : In which of the following transmission lines, the value of the Shunt admittance should be approximated to zero ? (A) A 66 kV 35 km long line (B) A 132 kV 200 km long line (C) A 220 kV 300 km long line (D) A 400 kV 500 km long line

Last Answer : In which of the following transmission lines, the value of the Shunt admittance should be approximated to zero ? (A) A 66 kV 35 km long line (B) A 132 kV 200 km long line (C) A 220 kV 300 km long line (D) A 400 kV 500 km long line

The square root of the ratio of line impedance and shunt admittance is called the (a) surge impedance of the line (b) conductance of the line (c) regulation of the line (d) none of the above

Description : The square root of the ratio of line impedance and shunt admittance is called the (a) surge impedance of the line (b) conductance of the line (c) regulation of the line (d) none of the above

Last Answer : (a) surge impedance of the line

The square root of the ratio of line impedance and shunt admittance is called the (a) surge impedance of the line (b) conductance of the line (c) regulation of the line (d) none of the above

Description : The square root of the ratio of line impedance and shunt admittance is called the (a) surge impedance of the line (b) conductance of the line (c) regulation of the line (d) none of the above

Last Answer : (a) surge impedance of the line

um of the elements of row i equal to shunt admittances connected to bus i. If this summation is zero, indicates there is no a) shunt admittance b) mutual coupling c) both 1 and 2 d) none of the above

Description : um of the elements of row i equal to shunt admittances connected to bus i. If this summation is zero, indicates there is no a) shunt admittance b) mutual coupling c) both 1 and 2 d) none of the above

Last Answer : c) both 1 and 2

In transmission line, which of the following is the first step in the procedure of using stub matching? A. Calculate stub susceptance. B. Calculate load admittance C. Connect stub to load D. Transform conductance to resistance

Description : In transmission line, which of the following is the first step in the procedure of using stub matching? A. Calculate stub susceptance. B. Calculate load admittance C. Connect stub to load D. Transform conductance to resistance

Last Answer : B. Calculate load admittance

A 1000 × 1000 bus admittance matrix for an electric power system has 8000 non-zero elements. The minimum number of branches (transmission lines and transformers) in this system are _____ (up to 2 decimal places)

Description : A 1000 × 1000 bus admittance matrix for an electric power system has 8000 non-zero elements. The minimum number of branches (transmission lines and transformers) in this system are _____ (up to 2 decimal places)

Last Answer : Ans: 3500.00

Shunt capacitance is neglected while considering (a) short transmission line (b) medium transmission line (c) long transmission line (d) medium and long transmission lines

Description : Shunt capacitance is neglected while considering (a) short transmission line (b) medium transmission line (c) long transmission line (d) medium and long transmission lines

Last Answer : (a) short transmission line

Why are shunt reactors connected at the receiving end of long transmission line system:

Description : Why are shunt reactors connected at the receiving end of long transmission line system: (1) To increase the terminal voltage (2) To compensate voltage rise caused by capacitive charging at light load (3) To improve power factor (4) None of these

Last Answer : Why are shunt reactors connected at the receiving end of long transmission line system: To compensate voltage rise caused by capacitive charging at light load

For a prototype low pass filter, the series and shunt elements are respectively _____.

Description : For a prototype low pass filter, the series and shunt elements are respectively _____.

Last Answer :  For a prototype low pass filter, the series and shunt elements are respectively inductive and capacitive.

The most efficient method of increasing the speed of a 3.75KW d.c. shunt motor would be ...

Description : The most efficient method of increasing the speed of a 3.75KW d.c. shunt motor would be  A) Armature control B) Flux control C) Ward—Leonard D) Tapped—field control

Last Answer :  Flux control 

Why shunt capacitor is used?

Description : Why shunt capacitor is used?

Last Answer : To improve voltage at receiving end and power factor

What do you say to gain admittance through the pearly gates?

Description : What do you say to gain admittance through the pearly gates?

Last Answer : In. As would all mankind.

How much personality should come through in a college admittance essay?

Description : How much personality should come through in a college admittance essay?

Last Answer : For an MBA, my personal opinion would be no, but I would love to hear from some University types in the know. I do know in the corporate world, personality is not so much what you want to see in a resume.

Name the diagonal and off diagonal elements of bus admittance matrix.

Description : Name the diagonal and off diagonal elements of bus admittance matrix.

Last Answer : The diagonal elements of bus admittance matrix are called self admittances of the buses and off diagonal elements are called mutual admittances of the buses.

What is bus admittance matrix?

Description : What is bus admittance matrix?

Last Answer : The matrix consisting of the self and mutual admittances of the network of a power system is called bus admittance matrix.

What is Admittance?

Description : What is Admittance?

Last Answer : Admittance: Admittance is the reciprocal of impedance. It is denoted by the letter Y' and the unit of measurement is mho. Y = I/E = RMS current / RMS voltage. Equation used in admittance a. Conductance G' = Y * cosϕ = ... d. In special cases when X = zero, then G = 1/R and R = zero, then B = 1/X.

Admittance relay is _______ relay. (a) impedance (b) directional (c) non-directional (d) none of the above

Description : Admittance relay is _______ relay. (a) impedance (b) directional (c) non-directional (d) none of the above

Last Answer : (b) directional

Define susceptance and admittance for parallel circuit.

Description : Define susceptance and admittance for parallel circuit.

Last Answer : Admittance (Y): Admittance is defined as the ability of the circuit to carry (admit) alternating current through it. It is the reciprocal of impedance Z. i.e Y = 1/Z. For parallel circuit consisting two ... In DC circuit, the reactance is absent, hence X = 0 and susceptance equals to zero.

Define admittance and state its unit.

Description : Define admittance and state its unit.

Last Answer : Admittance is defined as the ability of the circuit to carry (admit) alternating current through it.  OR  It is the reciprocal of impedance Z. i.e Admittance Y = 1/Z.  Unit: Its unit is siemen (S) or mho (Ʊ).

The diagonal elements of a nodal admittance matrix are strengthened by adding :

Description : The diagonal elements of a nodal admittance matrix are strengthened by adding :  (A) Shunt capacitors (C) Generators (B) Shunt inductances (D) Resistive loads

Last Answer : A

Which of the following is the SI unit for admittance?

Description : Which of the following is the SI unit for admittance? A) Ohm B) Henry C) Farad D) Siemens

Last Answer : Which of the following is the SI unit for admittance? A) Ohm B) Henry C) Farad D) Siemens

Admittance relay is _______ relay.

Last Answer : Admittance relay is directional relay.

what is the reciprocal of admittance?

Description : what is the reciprocal of admittance?

Last Answer : impedance is the reciprocal of admittance.

The magnitude of the open-circuit and short circuit input impedance of a transmission line are 100 ohm and...

Description : The magnitude of the open-circuit and short circuit input impedance of a transmission line are 100 ohm and 25 ohm respectively. The characteristic impedance of line is:  (1) 25 ohm (2) 50 ohm (3) 75 ohm (4) 100 ohm

Last Answer : The magnitude of the open-circuit and short circuit input impedance of a transmission line are 100 ohm and 25 ohm respectively. The characteristic impedance of line is 25 ohm.

A low-loss transmission line has

Last Answer : A low-loss transmission line has  R<<ωL; G<<ωC.

What for series and shunt compensation provided in EHV transmission lines?

Description : What for series and shunt compensation provided in EHV transmission lines?

Last Answer : Answer: Series capacitance is provided in EHV lines to artificially reduce the series reactance of the line so as to improve stability, voltage regulation and transmission efficiency Shunt compensation ... reduce the line susceptance so as to improve the voltage regulation under light load condition

In the analysis of which of the following lines shunt capacitance is neglected ? (a) Short transmission lines (b) Medium transmission lines (c) Long transmission lines (d) Medium as well as long transmission lines

Description : In the analysis of which of the following lines shunt capacitance is neglected ? (a) Short transmission lines (b) Medium transmission lines (c) Long transmission lines (d) Medium as well as long transmission lines

Last Answer : (a) Short transmission lines

In order to reduce the harmful effects of harmonics on the A.C. side of a high voltage D.C. transmission system ______are provided. (A) synchronous condensers (B) shunt capacitors (C) shunt filters (D) static compensators

Description : In order to reduce the harmful effects of harmonics on the A.C. side of a high voltage D.C. transmission system ______are provided. (A) synchronous condensers (B) shunt capacitors (C) shunt filters (D) static compensators

Last Answer : Ans: C Xc= 1/ ωc

Ideal transmission bandwidth of FM signal is

Description : Ideal transmission bandwidth of FM signal is

Last Answer : Ideal transmission bandwidth of FM signal is Infinite

Microwave links are preferred for TV transmission because?

Last Answer : Microwave links are preferred for TV transmission because They produce less phase distortion

An open shunt field in a direct current machine may be located by connecting the field circuit to an external power source, equal to the rated field voltage or less, and tested with a voltmeter from _____________. A. one line terminal to each coil lead in succession B. one field coil to each adjacent field coil in turn C. any suitable ground to any available line lead D. any field pole to each field coil lead

Description : An open shunt field in a direct current machine may be located by connecting the field circuit to an external power source, equal to the rated field voltage or less, and tested with a voltmeter from ... C. any suitable ground to any available line lead D. any field pole to each field coil lead

Last Answer : Answer: A

When using a megohmmeter to determine which shunt field coil is grounded in a DC machine, you must ____________. A. insulate the field frame from the ship's hull B. disconnect each shunt field coil before testing C. use a motor driven high capacity megohmmeter D. remove all main line lead connections before testing

Description : When using a megohmmeter to determine which shunt field coil is grounded in a DC machine, you must ____________. A. insulate the field frame from the ship's hull B. disconnect each shunt ... C. use a motor driven high capacity megohmmeter D. remove all main line lead connections before testing

Last Answer : Answer: B

The rotation of a three-phase induction motor can be reversed by _____________. A. interchanging any two of the three line leads to the stator B. disconnecting one of the three line leads to the stator C. switching the shunt field coil leads D. permanently disconnecting any two of the three line leads to the stator

Description : The rotation of a three-phase induction motor can be reversed by _____________. A. interchanging any two of the three line leads to the stator B. disconnecting one of the three line leads to the ... the shunt field coil leads D. permanently disconnecting any two of the three line leads to the stator

Last Answer : Answer: A

In a compound-wound motor, a portion of the line current flows through the _____________. A. inertial poles B. stator C. shunt field coils D. frame

Description : In a compound-wound motor, a portion of the line current flows through the _____________. A. inertial poles B. stator C. shunt field coils D. frame

Last Answer : Answer: C

A dc shunt generator has a speed of 800 rpm when delivering 20 A to the load at the terminal voltage of 220V. If the same machine is run as a motor it takes a line current of 20A from 220V supply. The speed of the machine as a motor will be (A) 800 rpm. (B) more than 800 rpm. (C) less than 800 rpm. (D) both higher or lower than 800 rpm.

Description : A dc shunt generator has a speed of 800 rpm when delivering 20 A to the load at the terminal voltage of 220V. If the same machine is run as a motor it takes a line current of 20A from 220V supply. The speed of ... . (B) more than 800 rpm. (C) less than 800 rpm. (D) both higher or lower than 800 rpm.

Last Answer : (C) less than 800 rpm.

Shunt compensation in an EHV line is used to

Description : Shunt compensation in an EHV line is used to (A) Improve stability. (B) Improve the voltage profile. (C) Reduce the fault level. (D) Substitute for synchronous phase modifier.

Last Answer : Shunt compensation in an EHV line is used to Improve the voltage profile.

A shunt motor rotating at 1500 r/min is fed by a 120 V source. The line current is 51 A and the shunt field...

Description : A shunt motor rotating at 1500 r/min is fed by a 120 V source. The line current is 51 A and the shunt field resistance is 120 ohm. If the armature resistance is 0.1 ohm, calculate the current in the armature.  (A) 1 A (B) 51 A (C) 50 A (D) 12 A 

Last Answer : C

Shunt resistance Rs is given as a) Ig I−Ig Rg b) Ig I+Ig Rg c) I I−Ig Rg d) None of these

Description : Shunt resistance Rs is given as a) Ig I−Ig Rg b) Ig I+Ig Rg c) I I−Ig Rg d) None of these

Last Answer : a) Ig I−Ig Rg

A 50 kW dc shunt is loaded to draw rated armature current at any given speed. When driven

Description : A 50 kW dc shunt is loaded to draw rated armature current at any given speed. When driven  (i) at half the rated speed by armature voltage control and (ii) at 1.5 times the rated speed by field control, the respective output powers ... kW in (i) and 75 kW in (ii) (D) 50 kW in (i) and 50 kW in (ii)

Last Answer : A 50 kW dc shunt is loaded to draw rated armature current at any given speed. When driven  (i) at half the rated speed by armature voltage control and (ii) at 1.5 times the rated speed by field control, the respective output ... kW in (i) and 75 kW in (ii) (D) 50 kW in (i) and 50 kW in (ii)

If sending end voltage is Vs at no-load in a transmission line then receiving end voltage is if ABCD parameters of line is given a) Vs b) Vs/A c) 0 d) Infinity

Description : If sending end voltage is Vs at no-load in a transmission line then receiving end voltage is if ABCD parameters of line is given a) Vs b) Vs/A c) 0 d) Infinity

Last Answer : Ans: Vs/A

Which of the following is the demerit of a 'constant voltage transmission system' ? (a) Increase of short-circuit current of the system (b) Availability of steady voltage at all loads at the line terminals (c) Possibility of better protection for the line due to possible use of higher terminal reactants (d) Improvement of power factor at times of moderate and heavy loads (e) Possibility of carrying increased power for a given conductor size in case of long-distance heavy power transmission

Description : Which of the following is the demerit of a 'constant voltage transmission system' ? (a) Increase of short-circuit current of the system (b) Availability of steady voltage at all loads at ... of carrying increased power for a given conductor size in case of long-distance heavy power transmission

Last Answer : (a) Increase of short-circuit current of the system

Two types of waves are formed on a transmission line. What names are given to these waves?

Description : Two types of waves are formed on a transmission line. What names are given to these waves?

Last Answer : Incident waves from generator to load. Reflected waves from load back to generator.

Which of the following is the demerit of a 'constant voltage transmission system' ? (a) Increase of short-circuit current of the system (b) Availability of steady voltage at all loads at the line terminals (c) Possibility of better protection for the line due to possible use of higher terminal reactants (d) Improvement of power factor at times of moderate and heavy loads (e) Possibility of carrying increased power for a given conductor size in case of long-distance heavy power transmission

Description : Which of the following is the demerit of a 'constant voltage transmission system' ? (a) Increase of short-circuit current of the system (b) Availability of steady voltage at all loads at ... of carrying increased power for a given conductor size in case of long-distance heavy power transmission

Last Answer : (a) Increase of short-circuit current of the system