There is a problem regarding power system.
Homework Answers
![()-[] [*] Is = CVREDIR - (3.856 *10*283:34) 1 745 KV 20) +(0.826520.135) (1,158 28.24) = 3809.2_8534 + 957/8.375 Is = 4,13).](http://img.homeworklib.com/questions/32ad2f60-d26f-11ea-8ed6-71d556a85a97.png?x-oss-process=image/resize,w_560)
Add Answer to:
There is a problem regarding power system.
A 190km three phase transmission line is rated at...
PROBLEM: A 230-kV, 50 Hz, three-phase transmission line is 120 km long. The line has a per phase ...
PROBLEM: A 230-kV, 50 Hz, three-phase transmission line is 120 km long. The line has a per phase series impedance of z-0.05 +j0.45 Ω per km, and a per phase shunt admittance of y 3.4x10-6 Siemens per km. The line delivers (at the receiving end) 200 MVA, 0.8 lagging power factor at 220 kV. Now consider two cases: A- Assume that shunt parameters of the transmission line are ignored (i.e. even if this is a medium length transmission line, under...
Problem 2: A 345 kV, 60 Hz, three-phase characteristic parameters of the transmission line are: transmission...
Problem 2: A 345 kV, 60 Hz, three-phase characteristic parameters of the transmission line are: transmission line is 130 km long. The r= 0.036 ?/km L = 0.8 x 10-3 H/km C = 0.0112 x 10-6 F/km The receiving end load is 270 MVA with 0.8 PF lagging at 325 kV. (k) What is the total series impedance of this transmission line? (5 points) () What is the total shunt admittance of this transmission line? (5 points) (m) Calculate the...
The ABCD constants of a three-phase transmission line are: A=D=0.936 +0.016 = 0.936/0.98° B = 33.5+j...
The ABCD constants of a three-phase transmission line are: A=D=0.936 +0.016 = 0.936/0.98° B = 33.5+j 138 = 142 /76.4°2 C = (-5.18 +j914) x 10S The load at the receiving end is 50 MW at 220 kV with a power factor of 0.9 lagging. Find the magnitude of the sending end voltage and the voltage regulation. Assume that the magnitude of the sending-end voltage remains constant.
A single circuit three phase transmission line which is 110miles long and made of Ostrich Problem 2: single circuit, three phase transmission line which is 110 miles long and made of Ostrich cond...
A single circuit three phase transmission line which is
110miles long and made of Ostrich
Problem 2: single circuit, three phase transmission line which is 110 miles long and made of Ostrich conduction ivers 70 MVA of power to a load with power factor of 0.85 lagging. If the V Lu is 169 KV and the spacing between each phase of conductors is 12.2 ft, determine: a) The line constants (ABCD) The sending end voltage, current, real and reactive power...
A short 3-phase, 33-kV power transmission line delivers a load of 7-MW at a power factor...
A short 3-phase, 33-kV power transmission line delivers a load of 7-MW at a power factor of 0.85 lagging and 33-kV. If the series impedance of the line is 20+j30 Ohms/phase, calculate The ABCD constants (parameters) The sending end voltage The load angle The voltage regulation The transmission efficiency
3.8 A 275 kV three-phase transmission line of length 96 km is rated at 800 A....
3.8 A 275 kV three-phase transmission line of length 96 km is rated at 800 A. The values of resistance, inductance and capacitance per phase per kilometre are 0.078 12, 1.056 mH and 0.029 F, respectively. The receiving-end voltage is 275 kV when full load is transmitted at 0.9 power factor lagging. Calculate the sending-end voltage and current, and the transmission efficiency, and com- pare with the answer obtained by the short-line representation. Use the nomi- nal n and T...
power system A single-circuit 60-Hz high voltage power transmission line is 370 km (230 mi) long....
power system
A single-circuit 60-Hz high voltage power transmission line is 370 km (230 mi) long. The conductors are Rook with flat horizontal configuration and 7.25 ms=(23.8 ft.) conductor spacing. The load on the line is 125 MW at 100% power factor. Use attached Tables A3 to A3to determine; The sending end voltage Vs The sending end current Is The sending end power Ps The percentage voltage regulation The transmission efficiency Given that Ds for the Rook conductor is 0.0327...
A 230-kV, three-phase transmission line has a per phase series impedance of z = 0.05j0.45 2...
A 230-kV, three-phase transmission line has a per phase series impedance of z = 0.05j0.45 2 per km and a per phase shunt admittance ofy = j3.4 x 10-6 siemens per km. The line is 80 km long. Using the nominal r model, determine (a) The transmission line ABCD constants. Find the sending end voltage and current, voltage regulation, the sending end power and the transmission efficiency when the line delivers (b) 200 MVA, 0.8 lagging power factor at 220...
A 220-kV, 150 MVA, 60-Hz, three-phase transmission line is 140 km long with the characteristic parameters...
A 220-kV, 150 MVA, 60-Hz, three-phase transmission line is 140 km long with the characteristic parameters of r = 0.09 Ohm/km, x = 0.88 Ohm/km, y = 4.1 * 10^-6 s/km. Calculate the ABCD constants of this transmission line. What is the sending end voltage if the line is supplying rated voltage and apparent power at 0.85 PF lagging? What is the voltage regulation of the transmission line for the conditions in question 11. What is the efficiency of the...
A 220-kV, 150 MVA, 60-Hz, three-phase transmission line is 140 km long with the characteristic parameters...
A 220-kV, 150 MVA, 60-Hz, three-phase transmission line is 140 km long with the characteristic parameters of r = 0.09 ohm/km, x = 0.88 ohm/km, y = 4.1 * 10^-6 S/km. 10. Calculate the ABCD constants of this transmission line. 11. What is the sending end voltage if the line is supplying rated voltage and apparent power at 0.85 PF lagging? 12. What is the voltage regulation of the transmission line for the conditions in question 11. 13. What is...
PROBLEM: A 230-kV, 50 Hz, three-phase transmission line is 120 km long. The line has a per phase series impedance of z-0.05 +j0.45 Ω per km, and a per phase shunt admittance of y 3.4x10-6 Siemens per km. The line delivers (at the receiving end) 200 MVA, 0.8 lagging power factor at 220 kV. Now consider two cases: A- Assume that shunt parameters of the transmission line are ignored (i.e. even if this is a medium length transmission line, under...
Problem 2: A 345 kV, 60 Hz, three-phase characteristic parameters of the transmission line are: transmission line is 130 km long. The r= 0.036 ?/km L = 0.8 x 10-3 H/km C = 0.0112 x 10-6 F/km The receiving end load is 270 MVA with 0.8 PF lagging at 325 kV. (k) What is the total series impedance of this transmission line? (5 points) () What is the total shunt admittance of this transmission line? (5 points) (m) Calculate the...
The ABCD constants of a three-phase transmission line are: A=D=0.936 +0.016 = 0.936/0.98° B = 33.5+j 138 = 142 /76.4°2 C = (-5.18 +j914) x 10S The load at the receiving end is 50 MW at 220 kV with a power factor of 0.9 lagging. Find the magnitude of the sending end voltage and the voltage regulation. Assume that the magnitude of the sending-end voltage remains constant.
A single circuit three phase transmission line which is
110miles long and made of Ostrich
Problem 2: single circuit, three phase transmission line which is 110 miles long and made of Ostrich conduction ivers 70 MVA of power to a load with power factor of 0.85 lagging. If the V Lu is 169 KV and the spacing between each phase of conductors is 12.2 ft, determine: a) The line constants (ABCD) The sending end voltage, current, real and reactive power...
3.8 A 275 kV three-phase transmission line of length 96 km is rated at 800 A. The values of resistance, inductance and capacitance per phase per kilometre are 0.078 12, 1.056 mH and 0.029 F, respectively. The receiving-end voltage is 275 kV when full load is transmitted at 0.9 power factor lagging. Calculate the sending-end voltage and current, and the transmission efficiency, and com- pare with the answer obtained by the short-line representation. Use the nomi- nal n and T...
power system
A single-circuit 60-Hz high voltage power transmission line is 370 km (230 mi) long. The conductors are Rook with flat horizontal configuration and 7.25 ms=(23.8 ft.) conductor spacing. The load on the line is 125 MW at 100% power factor. Use attached Tables A3 to A3to determine; The sending end voltage Vs The sending end current Is The sending end power Ps The percentage voltage regulation The transmission efficiency Given that Ds for the Rook conductor is 0.0327...
A 230-kV, three-phase transmission line has a per phase series impedance of z = 0.05j0.45 2 per km and a per phase shunt admittance ofy = j3.4 x 10-6 siemens per km. The line is 80 km long. Using the nominal r model, determine (a) The transmission line ABCD constants. Find the sending end voltage and current, voltage regulation, the sending end power and the transmission efficiency when the line delivers (b) 200 MVA, 0.8 lagging power factor at 220...
A 220-kV, 150 MVA, 60-Hz, three-phase transmission line is 140 km long with the characteristic parameters of r = 0.09 Ohm/km, x = 0.88 Ohm/km, y = 4.1 * 10^-6 s/km. Calculate the ABCD constants of this transmission line. What is the sending end voltage if the line is supplying rated voltage and apparent power at 0.85 PF lagging? What is the voltage regulation of the transmission line for the conditions in question 11. What is the efficiency of the...
A 220-kV, 150 MVA, 60-Hz, three-phase transmission line is 140 km long with the characteristic parameters of r = 0.09 ohm/km, x = 0.88 ohm/km, y = 4.1 * 10^-6 S/km. 10. Calculate the ABCD constants of this transmission line. 11. What is the sending end voltage if the line is supplying rated voltage and apparent power at 0.85 PF lagging? 12. What is the voltage regulation of the transmission line for the conditions in question 11. 13. What is...
Most questions answered within 3 hours.
-
Using α = 0.05, test if the mean weight change
is less than 0 if a...
asked 18 seconds ago -
In an isobaric compression process, the volume of steam is
reduced from 1 Mpa and 773...
asked 30 seconds ago -
blood glucose level for obese patient population have
a mean of 100 with a standard deviation...
asked 1 minute ago -
Which of the following mutations is MOST likely to be
recessive?
A.
Deletion of a haplo-insufficient...
asked 4 minutes ago -
The U.S. Department of Transportation, National Highway Traffic
Safety Administration, reported that 77% of all fatally...
asked 17 minutes ago -
For 1 through 11, create an expression using the relational
operators, the logical operators, and variable...
asked 30 minutes ago -
Remove all recursion from the following grammar:
S -> Aa | Bb
A -> Aa |...
asked 23 minutes ago -
The production budget for Manner Company shows units to be
produced as follows: July, 550; August,...
asked 33 minutes ago -
Your group is required to develop a comprehensive Business plan
that will be used as a...
asked 37 minutes ago -
a radio station transmits at 78.1 mhz. a hz is an inverse
second. how far apart...
asked 56 minutes ago -
Write the equilibrium expression for the dissociation in
water for CH5N, C2H5O2COOH, H3AsO4, KClO2, HC2H2ClO2.
asked 1 hour ago -
In risk management, insurance is an example of:
Select one:
a. Risk avoidance
b. Risk deflection...
asked 1 hour ago