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Which kind of cable are used in hvdc transmission system?
In HVDC (High Voltage Direct Current) transmission systems, the primary types of cables used are underground cables and submarine cables. These cables are typically made from materials like cross-linked polyethylene (XLPE) or oil-filled cables, designed to withstand high voltage and environmental conditions. They are insulated to prevent electrical leakage and ensure safe transmission over long distances. Additionally, the use of bipolar cables allows for efficient transmission and improved reliability in the system.
Why transmission line and cables are specification given ohmic values?
Transmission lines and cables are specified using ohmic values to indicate their resistance, which affects their efficiency in conducting electrical current. Ohmic values help engineers assess power losses due to resistive heating, ensuring that the line can handle the intended load without excessive energy wastage. Additionally, knowing the resistance allows for better design and optimization of the transmission system to maintain signal integrity and minimize voltage drop over distance.
What is theadvantage of DC transmission?
(1) For a given load there are less losses along a d.c. transmission line. (2) There are no synchronisation problems when linking independent a.c. grid systems. (3) There are no a.c. capacitive-loss currents in d.c. undersea cables, whose capacitance is large, due to closeness of line conductors.
What is underground power transmission?
power cables under ground rather then overhead.
Will low pass filter works as transmission line?
No, but transmission line act as a lpf
What are the types of cables used for baseband and broadband transmission?
Twisted-pair cables Coaxial cables
Why are cat5 cables twisted?
The same reason telephone transmission wire pairs are twisted: to improve transmission by reducing noise pickup. See related question on twisted pairs.
Which two cables can support transmission speeds up to 1Gbps?
Fiber optic, Twisted-pair
Data transmission rate of twisted pair cables?
1 to 128Mbps (MegaBits per second) Cheers ~.^
What are 4 common methods for connecting equipment at the physical layer?
Four common methods for connecting equipment at the physical layer include twisted pair cables, fiber optic cables, coaxial cables, and wireless connections. Twisted pair cables, such as Ethernet, are widely used for local area networks. Fiber optic cables offer high-speed data transmission over long distances with minimal signal loss. Coaxial cables are often used for cable television and broadband internet, while wireless connections utilize radio waves for data transmission without physical cables.
What are the Three types of physical cables that carry a signal?
fiber optic cables, coaxial cables, and twisted pair cables.
What are the metal towers that hold the cables high above the ground called?
transmission line tower
List three types of transmissions carriers used in lans?
In local area networks (LANs), three types of transmission carriers commonly used are twisted pair cables, coaxial cables, and fiber optic cables. Twisted pair cables, such as Cat5e and Cat6, are widely used for Ethernet connections due to their cost-effectiveness and ease of installation. Coaxial cables were historically used for cable internet and TV connections but are less common in modern LANs. Fiber optic cables offer high-speed data transmission over long distances with minimal signal loss, making them ideal for high-performance networking.
Name the two basic types of transmission line which is most widely used?
coaxial cable and twisted pair cable. coaxial cable is the most widely used type of transmission line.
What is the most common plug used with twisted pair network cables?
The most common plug used with twisted pair network cables is the RJ45 plug.
Twisted pair cablescoaxial cables?
they are uused for televisipn
When was twisted pair cable created?
Twisted pair cables were invented by Alexander Graham Bell in 1881.
