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To avoid inteference between communication lines
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∙ 12y ago
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Why there are no losses in DC transmission?
There are losses in d.c. transmission lines, due to their resistance. But there are no reactive losses. So, d.c. transmission lines have less losses in comparison to an equivalent a.c. transmission line.
Why is energy lost in power transmission lines?
Increase the voltage in the lines.
What is the purpose of ground wires in overhead transmission lines?
connection of the ground of all the transmission lines and used as a communication cable between protection devices
Why are transmission lines less than 80km considered short?
The transmission lines which have length less than 80 km are generally referred as short transmission lines. For short length, the shunt capacitance of this type of line is neglected and other parameters like electrical resistance and inductor of these short lines are lumped.
Why the 3 phase of high voltage conductor or cable transposed?
3 phase cable is transposed to minimize the effect of leakage/capacitance current.
Why phases in transmission line are transposed?
Image result for Why phases in transmission line are transposed?Transposition is the periodic swapping of positions of the conductors of a transmission line, in order to reduce crosstalk and otherwise improve transmission. ... Transposition also equalizes their impedance relative to the ground, thus avoiding one-sided loads in three-phase electric power systems.
Why phases in a transmission line need to be transposed?
Transposition means exchanging of the position of the transmission line after equal distances. Even if the voltage across the conductors are equal during the transmission, there will be slight differences and will result in varied inductances of the conductors. Hence if we have symmetrical conductors running through transmission line in a similar fashion, there may be unbalances in voltage. Also mutual inductances vary for untransposed lines.
What has the author Tushar Adhikari written?
Tushar Adhikari has written: 'Analysis of unbalanced currents in transposed and untransposed high voltage transmission lines' -- subject(s): Alternating Electric currents, Computer programs, Electric power distribution, High tension, Polyphase
What is a sentence with transposed?
I accidentally transposed the second and third numbers in the sequence.
Disconnecting transmission lines 96 jeep?
You can disconnect the 1996 Jeep transmission lines with a 9/16 open end wrench. Be prepared for transmission fluid to come out of the transmission lines.
How do you spell transposed?
That is the correct spelling of the adjective "transposed" (switched in position).
How can you replace the lines that carry transmission fluid to the transmission?
if you are asking about the cooling lines for the transmission that connect to the radiator, its easy. first disconnect the lines from the radiator (2 lines, usually on the bottom opposite the radiator outlet) then disconnect the lines from the transmission. remove the brackets holding them on, then remove.
What is the major material used in constructing transmission lines?
The major material used in the construction of transmission lines is aluminum alloy. Steel is also used to reinforce the lines. No insulation is used for overhead transmission lines.
What is the basic parameters of transmission lines?
the basic parameters of transmission lines are R,L,C and G...........
Where do the vacuum lines run from and to on ford escort automatic transmission?
There are no vacuum lines running to the automatic transmission.
How replace 2000 Jimmy 4x4 transmission cooler lines?
The transmission lines on a 2000 GMC Jimmy 4x4 are replaced by disconnecting the lines at the radiator and then the side of the transmission. They are then removed from the bottom of the vehicle and new lines put in place.
How many phase are there from transmission line from Oregon?
AC transmission lines are 3-phase, DC transmission lines don't have phases. It doesn't matter where they are from.
