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Cable or other structure for carrying radio waves
In electrical engineering, a transmission line is a specialized cable or other structure designed to conduct electromagnetic waves in a contained manner
Transmission_line
Bulk movement of electrical energy
called a transmission line. The interconnected transmission lines form a transmission network. In the power industry, electric power transmission is distinct
Electric_power_transmission
Loudspeaker enclosure design
A transmission line loudspeaker is a loudspeaker enclosure design which uses the topology of an acoustic transmission line within the cabinet, compared
Transmission_line_loudspeaker
Above-ground structure for bulk transfer and distribution of electricity
An overhead power line is a structure used in electric power transmission and distribution to transmit electrical energy along large distances. It consists
Overhead_power_line
Transmission lines with flat ribbon-like conducting or dielectric lines
assumptions are no longer true and transmission line theory must be used instead. With transmission lines, the geometry of the line is precisely controlled (in
Planar_transmission_line
Adjusting input/output impedances of an electrical circuit for some purpose
interconnecting transmission line to the antenna. Signals on a transmission line will be transmitted without reflections if the transmission line is terminated
Impedance_matching
Method of electrical transmission
A single-wire transmission line (or single wire method) is a method of transmitting electrical power or signals using only a single electrical conductor
Single-wire_transmission_line
Structure used to support an overhead power line
A transmission tower (also electricity pylon, hydro tower, or pylon) is a tall structure used to support an overhead power line. It is usually a lattice
Transmission_tower
Electrical device
balun can be a distinct advantage. Transmission line or choke baluns can be considered as simple forms of transmission line transformers. This type is sometimes
Balun
Topics referred to by the same term
A transmission line is a structure for carrying electromagnetic waves, especially radio waves. It may also refer to: a power transmission line, a structure
Transmission line (disambiguation)
Transmission_line_(disambiguation)
Graphical calculator used in electrical engineering
circular nomogram used in radio frequency (RF) engineering to solve transmission line and impedance-matching problems. It plots a complex reflection coefficient
Smith_chart
Analysis method for circuits undergoing electrostatic discharge
In electrical engineering, transmission-line pulse (TLP) is a way to study integrated circuit technologies and circuit behavior in the current and time
Transmission-line_pulse
Hydroelectric power line in Pará, Brazil
The Tucuruí transmission line (Portuguese: Linhão de Tucuruí) is a hydroelectric power line that leads north from the Tucuruí Dam in Pará, Brazil and
Tucuruí_transmission_line
Infrastructure and construction company
Caribbean Islands. MasTec's original line of business was in the communications industry, constructing transmission lines and digging trenches for companies
MasTec
Electric power transmission system
associated with DC transmission. Starting in 1932, General Electric tested mercury-vapor valves and a 12 kV DC transmission line, which also served to
High-voltage_direct_current
Measure used in radio engineering and telecommunications
characteristic impedance of a transmission line or waveguide. Impedance mismatches result in standing waves along the transmission line, and SWR is defined as
Standing_wave_ratio
Device that transmits and receives radio waves
structure used to convert alternating electric currents into radio waves for transmission, and to convert radio waves back into electric currents for reception
Antenna_(radio)
telecommunications, an artificial transmission line is a two-port electrical network that has the characteristic impedance, transmission time delay, phase shift
Artificial_transmission_line
American infrastructure services corporation
Line. In 2023, the Pattern Energy Group chose Quanta to build the SunZia Transmission and Wind Project, a 550-mile, 525 kV high voltage transmission project
Quanta_Services
Type of electric circuit
similarly to a length of transmission line. For this reason, a PFN is sometimes called an "artificial, or synthetic, transmission line". Electrical energy
Pulse-forming_network
Acoustic waveguide used to transmit sound
An acoustic transmission line is the use of a long duct, which acts as an acoustic waveguide and is used to produce or transmit sound in an undistorted
Acoustic_transmission_line
Property of an electrical circuit
of a uniform transmission line is the ratio of the amplitudes of voltage and current of a wave travelling in one direction along the line in the absence
Characteristic_impedance
American utility company
NextEra opposed and lobbied heavily against a transmission line project proposed by Avangrid, Inc. The 145-mile line, known as New England Clean Energy Connect
NextEra_Energy
Eastern Alberta Transmission Line is a 485 km long, 500 kV, bipolar, high-voltage direct current, overhead transmission line interconnecting the Newell
Eastern Alberta Transmission Line
Eastern_Alberta_Transmission_Line
Conduit for signal propagation
main types of transmission media: guided media—waves are guided along a solid medium such as a transmission line; unguided media—transmission and reception
Transmission_medium
Antenna consisting of two rod-shaped conductors
transmission line, the transmission line becomes an antenna itself, with unpredictable results (since it depends on the path of the transmission line)
Dipole_antenna
Measure of wave reflectivity
index of refraction, such as a glass surface, or in an electrical transmission line to calculate how much of the electromagnetic wave is reflected by
Reflection_coefficient
Microwave network module
or waveguide: Differential transmission line: A differential transmission line is a balanced two-conductor transmission line in which the phase difference
Phase_shift_module
Mathematical descriptions of transmission line voltage and current
and current along a linear electrical transmission line. The equations are important because they allow transmission lines to be analyzed using circuit theory
Telegrapher's_equations
Pattern used within a communications system to represent digital data
transmission medium or data storage medium. The most common physical channels are: the line-coded signal can directly be put on a transmission line,
Line_code
Transfer length method (a.k.a. Transmission line measurement)
The Transfer Length Method or the "Transmission Line Model" (both abbreviated as TLM) is a technique used in semiconductor physics and engineering to
Transfer_length_method
Wind farm in New Mexico
SunZia Transmission, a 550-mile (890 km), 3-gigawatt HVDC transmission line to carry the power to Arizona and California. SunZia Wind and Transmission are
SunZia_Wind_and_Transmission
System that transmits a signal from one place to another
In telecommunications, a transmission system is a communication system that transmits a signal from one place to another. The signal can be an electrical
Transmission_system
Method of computing electromagnetic fields
The transmission-line matrix (TLM) method is a space and time discretising method for computation of electromagnetic fields. It is based on the analogy
Transmission-line matrix method
Transmission-line_matrix_method
Method of transmitting images, often of documents
telecopying or telefax (short for telefacsimile), is the telephonic transmission of scanned printed material (both text and images), normally to a telephone
Fax
was due to the interference with the transmission path of the Makale-Palopo line. December 4—Canada—Transmission line failures in south Saskatchewan caused
List_of_major_power_outages
Optical filter
equivalent transmission line. The FSS sheet may be represented in terms of lumped RLC networks placed in parallel across the transmission line. The shunt
Frequency_selective_surface
Grid transmission cable in the east of the state
owns 25% of the transmission line and operates and offers the line's capacity under the terms of NV Energy's Open Access Transmission Tariff. Great Basin
One_Nevada_Transmission_Line
High-voltage electric circuit
high-voltage (HV) AC transmission power lines to prevent the transmission of high frequency (40 kHz to 1000 kHz) carrier signals of power line communication
Line_trap
Wildfire in Northern California, US
hardware on a poorly maintained Pacific Gas and Electric Company (PG&E) transmission line in the Feather River Canyon failed during strong katabatic winds.
Camp_Fire_(2018)
Acoustical component
entire pipe can also be seen as a tapered transmission line in inverted form. (A traditional tapered transmission line, confusingly also sometimes referred
Loudspeaker_enclosure
American electricity transmission company
(Keith-Waterman line, St. Clair-Lambton #2 line and the Bunce Creek-Scott line).[citation needed] In the early 2010s, ITC Transmission added a new 345 kV line, the
ITC_Transmission
Electrical component
impedance transformer, often written as λ/4 impedance transformer, is a transmission line or waveguide used in electrical engineering of length one-quarter
Quarter-wave impedance transformer
Quarter-wave_impedance_transformer
Transmission of information via microwaves
spectrum. Microwave signals are normally limited to the line of sight, so long-distance transmission using these signals requires a series of repeaters forming
Microwave_transmission
Carrier system for digital transmission of multiplexed telephone calls
could transmit up to 24 telephone calls simultaneously over a single transmission line of twisted pair copper wire. Subsequent specifications carried multiples
T-carrier
Transmission line impedance matching
termination is the practice of ending a transmission line with a device that matches the characteristic impedance of the line. Signal reflections occur where
Electrical_termination
Telecommunications device
is mounted separate from the transmitter and connected to it by a transmission line (feedline), there may be a second ATU (or matching network) at the
Antenna_tuner
Radio technology devices
technology. They couple a defined amount of the electromagnetic power in a transmission line to a port enabling the signal to be used in another circuit. An essential
Power dividers and directional couplers
Power_dividers_and_directional_couplers
Physical or logical connection used for transmission of information
pathways, called communication channels, use two types of media: Transmission line-based telecommunications cable (e.g. twisted-pair, coaxial, and fiber-optic
Communication_channel
Electric power transmission line
Shoshone Transmission Line was an early and notable electric power transmission line, now recorded on the List of IEEE Milestones. The line takes its
Shoshone_Transmission_Line
Parameter characterizing an AC conductor
which electrical signals travel along a transmission line or other cable depends on the construction of the line. Therefore, the wavelength λ {\displaystyle
Electrical_length
Where the impedance of the two conductor paths are not equal
low transmission speeds of early telegraph it was only necessary to consider transmission line theory for a circuit design when the transmission was over
Unbalanced_line
Modelling of a transmission line is done to analyse its performance and characteristics. The gathered information vis simulating the model can be used
Performance and modelling of AC transmission
Performance_and_modelling_of_AC_transmission
Square Butte is the designation of a high-voltage direct current transmission line in the United States between the Milton R. Young Power Plant near
Square Butte (transmission line)
Square_Butte_(transmission_line)
Electric current that periodically reverses direction
240 kW) was made and installed by the Hungarian company Ganz, while the transmission line from the power plant to the City of Šibenik was 11.5 kilometers (7
Alternating_current
Class of antennas
"conventional transmission line". The dual transmission line structure can be implemented in practice by loading a host transmission line with lumped series
Metamaterial_antenna
Multiplexing technique for digital signals
means of synchronized switches at each end of the transmission line so that each signal appears on the line only a fraction of time according to agreed rules
Time-division_multiplexing
Type of radio antenna
connected to a radio transmitter or receiver (or both) through a transmission line, and additional passive radiators with no electrical connection, usually
Yagi–Uda_antenna
Converts an electrical audio signal into a corresponding sound
and granted in 1951. A transmission line loudspeaker is a loudspeaker enclosure design that uses an acoustic transmission line within the cabinet, compared
Loudspeaker
Electrical transmission system in New Zealand
Canterbury and then it travels 534 kilometres (332 mi) on an overhead transmission line through inland Canterbury and Marlborough to Fighting Bay in the Marlborough
HVDC_Inter-Island
Kotmale Biyagama transmission line is one of Sri Lanka's critical transmission lines that connects the load center Colombo to hydroelectricity generation
Kotmale Biyagama transmission line
Kotmale_Biyagama_transmission_line
Structure used in construction of overhead power lines
uneconomic to build a line with only self-supporting structures. Dead-end towers are used at regular intervals in a long transmission line to limit the cascading
Dead-end_tower
situated close to the transmitter, special transmission lines are required. The most common type of transmission line for this purpose is large-diameter coaxial
Radio frequency power transmission
Radio_frequency_power_transmission
Type of antenna
radio frequency current from a transmitter is supplied through a transmission line cable to the feed antenna, which converts it into radio waves. The
Parabolic_antenna
Short electrical transmission line
microwave and radio-frequency engineering, a stub or resonant stub is a transmission line or waveguide connected at one end only. The free end of the stub is
Stub_(electronics)
HVDC transmission line in Brazil
The Xingu-Estreito UHVDC transmission line is a 2076 km long 800 kV high-voltage direct current transmission line in Brazil between the Xingu substation
Xingu-Estreito HVDC transmission line
Xingu-Estreito_HVDC_transmission_line
Defect that causes abnormal electric current
broken insulator. In transmission line faults, roughly 5% - 10% are asymmetric line-to-line faults. single line-to-ground fault or line-to-ground fault -
Electrical_fault
Types of electrical transformer
or line isolators. Although called a "transmission line" transformer, it is distinct from the transformers made from segments of transmission line. The
Transformer_types
Concept in physics and chemistry
incident wave at a discontinuity in the transmission line. Consider a wave travelling through a transmission line with a step in impedance from Z A {\displaystyle
Transmission_coefficient
Type of electrical circuit model
In electrical engineering, the distributed-element model or transmission-line model of electrical circuits assumes that the attributes of the circuit
Distributed-element_model
Process of sending or propagating a signal
In telecommunications, transmission (sometimes abbreviated as "TX") is the process of sending or propagating an analog or digital signal via a medium that
Signal_transmission
Electronic instrument
of a transmission line with an open termination TDR trace of a transmission line with a short circuit termination TDR trace of a transmission line with
Time-domain_reflectometer
Electromagnetic radiation with wavelengths from 1 m to 1 mm
theory is inaccurate, and instead distributed circuit elements and transmission-line theory are more useful methods for design and analysis. As a consequence
Microwave
Inability of electric transmission lines to carry more power without overheating
In power engineering, transmission congestion occurs when overloaded transmission lines in an electrical grid are unable to carry additional electricity
Transmission_congestion
Electrical equipment
current transmission system (FACTS) is a family of power-electronic based devices designed for use on an alternating current (AC) transmission system to
Flexible AC transmission system
Flexible_AC_transmission_system
Electric power line in Kazakhstan
The Ekibastuz–Kokshetau high-voltage line is an alternating current electrical power transmission line in Kazakhstan from Ekibastuz to Kokshetau. It was
Ekibastuz–Kokshetau high-voltage line
Ekibastuz–Kokshetau_high-voltage_line
Filter used in signal processing on continuous-time signals
Image filter theory grew out of transmission line theory, and the design proceeded in a similar manner to transmission line analysis. For the first time
Analogue_filter
Cable that combines grounding and communications
for high-speed transmission of data, either for the electrical utility's own purposes of protection and control of the transmission line, for the utility's
Optical_ground_wire
Electric power transmission, the tools and means of moving electricity far from where it is generated, date back to the late 19th century. They include
History of electric power transmission
History_of_electric_power_transmission
Dam in Syangja and Harmichaur,Gulmi
a 66 kilometres (41 mi) long transmission line to Pokhara, and a 44 kilometres (27 mi) double circuit transmission line to Butwal. The electricity is
Kaligandaki A Hydroelectric Power Station
Kaligandaki_A_Hydroelectric_Power_Station
In transmission line modelling (a.k.a. bi-directional delay line modelling), a capacitance (or inductance) is substituted with a transmission line element
Co-simulation
Infrared optical filter
half-wave plate. Transmission line theory can be applied to metallic meshes to understand how they work and the overall light transmission properties of
Metal-mesh_optical_filter
Specialty of electronic engineering
is a subset of electrical engineering involving the application of transmission line, waveguide, antenna, radar, and electromagnetic field principles to
Radio-frequency_engineering
HVDC transmission line in Brazil
The Xingu-Rio HVDC transmission line is a 2543.4 km long 800 kV high-voltage direct current transmission line in Brazil between the Xingu substation at
Xingu-Rio HVDC transmission line
Xingu-Rio_HVDC_transmission_line
Neck to Port Washington Overhead Transmission Line (also known as Circuit 69-485) was a 2014 electrical transmission line project in the Town of North Hempstead
Circuit_69-485
HVDC transmission line in Pakistan
The Matiari–Lahore transmission line is an 878 km-long, ±660kV bi-pole high-voltage direct current (HVDC) transmission line running from south to north
Matiari–Lahore transmission line
Matiari–Lahore_transmission_line
Measure of power reflected by a discontinuity in a line or fiber
discontinuity in a transmission line or optical fiber. This discontinuity can be caused by a mismatch between the termination or load connected to the line and the
Return_loss
Control gear of an electric power system
circuit at the end of a long transmission line appears similar to a normal load, because the impedance of the transmission line limits the fault current.
Switchgear
Electromagnetic frequencies ranging from 3 kHz to 300 GHz
condition called standing waves. RF current may be carried efficiently over transmission lines such as coaxial cables. The radio spectrum of frequencies is divided
Radio_frequency
Type of electronic filter circuit
frequencies, and is used in transmission-line theory; many distributed-element components are made of short lengths of transmission line. In the distributed view
Distributed-element_filter
Family of technologies that are used to transmit digital data over telephone lines
wired telephone service on the same telephone line since DSL uses higher frequency bands for data transmission. On the customer premises, a DSL filter is
Digital_subscriber_line
Measurement device for radio equipment
standing wave ratio (SWR) in a transmission line. The meter indirectly measures the degree of mismatch between a transmission line and its load (usually an
SWR_meter
Standard audio signal level
cables between line output and line input are generally extremely short compared to the audio signal wavelength in the cable, transmission line effects can
Line_level
Type of electrical circuit
A line driver is an electronic amplifier circuit designed for driving a load such as a transmission line. The amplifier's output impedance may be matched
Line_driver
Physical structure for guiding sound waves
communication between decks. Other examples include the rear passage in a transmission-line loudspeaker enclosure, the ear canal, and a stethoscope. The term
Acoustic_waveguide
Swapping of positions of the conductors of a transmission line
positions of the conductors of a transmission line, in order to reduce crosstalk and otherwise improve transmission. In telecommunications this applies
Transposition (transmission lines)
Transposition_(transmission_lines)
Device or system that exhibits resonance
with a main transmission line. Planar transmission-line resonators are commonly employed for coplanar, stripline, and microstrip transmission lines. Such
Resonator
Technology company
such as: Supplier for Changji-Guquan UHVDC transmission line in China, the world’s first transmission line operating at 1,100 kV voltage (2018) Fluoronitrile-based
Hitachi_Energy
Regulating device used on transmission networks
and inductance of transmission lines. Heavily loaded lines consumed reactive power due to the line's inductance, and as transmission voltage increased
Static synchronous compensator
Static_synchronous_compensator
Wind farm in Kenya
said in Danish media that delays in completing the high voltage transmission line led to the cancellation of the transfer contract in 2019. Financial
Lake Turkana Wind Power Station
Lake_Turkana_Wind_Power_Station
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