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Showing 1 to 20 of 251 for “"Transmission lines"”.
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Transmission Lines For Ir Signal Routing
… and characterization of coplanar striplines, vias, and microstrip lines is investigated, from the point of view of developing interconnections for antenna-coupled infrared detectors operating in the 8- to 12-micron wavelength range. To our knowledge, no previous efforts have been made …
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Micromachined transmission lines for microwave applications
… and modeling of micromachined strip lines. The challenge of structuring this three-dimensional transmission line is solved by using the photosensitive resin SU-8 as the micromachinable material and as the dielectric in the strip line. Additionally, electrodeposition is applied to …
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Optical waveguide analysis using transmission lines
… because in principle they offer sufficient transmission capacity, reaching total rates as high as Tbits/s per fibre. Critical fibre properties such as mode field profiles, single-mode propagation conditions and dispersion characteristics can all be related to the optical fibre refractive …
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Antennas using left handed transmission lines
… dipoles and loops, based on the left-handed transmission line approach. The left handed antennas have a unique feature that the wavelength of the induced current becomes shorter with decreasing frequency. The left handed transmission line concept can be extended to construct reduced-size …
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Fault Location in Series Compensated Transmission Lines
… Therefore, the need of increasing the power transmission capacity of the electric grid gets highlighted. Since, the construction of transmission lines is a tedious task owing to legalities, environmental impacts and high costs, the series compensated transmission lines are gaining popularity …
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FEM Analysis of Quasi-Planar Transmission Lines
… line or suspended and inverted microstrip lines. Present day microwave integrated circuits, however, cannot rely solely on conventional microstrip line or its derivatives. During the past five years new quasi-planar microstrip lines, known as microshields, have been proposed. Electrical …
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Accurate fault location for power transmission lines
… new accurate fault location technique for power transmission lines. The technique is based on a distributed parameter line model which inherently accounts for line conductor asymmetry and shunt capacitance. The accuracy of the new technique is not significantly affected by fault resistance, …
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Computer relaying for EHV/UHV transmission lines
… environmental concern, more and more parallel lines and series compensated lines may be installed in the system. In order to efficiently use the transmission network, more nonlinear flexible devices such as the phase shifter and the advanced compensation system will be put into use. Once a …
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Delays in construction of electricity transmission lines in Zambia
… plants. Projects for construction of electricity Transmission lines are often delayed therefore some towns which were not connected to the national grid are underdeveloped because of limited capacity of the diesel generators which were used for power generation. Delays in construction of …
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Adaptive digital distance protection for series compensated transmission lines
… and economical advantages in long distance a. c. transmission. In particular, their excellent reliability and minimal maintenance requirements make series compensation the most cost effective method of enhancing the power transfer capability of an existing or proposed interconnection. E. H. V. …
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Pulse Sharpening Effects of Thin Film Ferroelectric Transmission Lines
… one such device: a low voltage nonlinear transmission line (NLTL). A finite element simulation of ferroelectric transmission lines showed that NLTLs are capable of creating shockwaves. Additionally, if the losses are kept sufficiently low, it was shown that voltage gain should be possible. …
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Mode conversation losses in overmolded millimeter wave transmission lines
Millimeter wave transmission lines are integral components for many important applications like nuclear fusion and NMR spectroscopy. In low loss corrugated transmission lines propagating the HE,1 mode with a high waveguide radius to wavelength ratio (a/X), the transmission line loss is …
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Digital simulation of fault location algorithms for EHV transmission lines
… of accurate fault location algorithms for EHV transmission lines based on digital simulation techniques. This research covers detailed analysis of the theory of travelling waves on transmission lines, including the frequency variance of the parameters. The analysis of the two and three terminal …
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Finite Element Analysis of Multilayer Transmission Lines and Circuit Components
… electromagnetic behaviors of multilayer transmission lines and multilayer circuit components that are commonly used in microwave, RF circuits, integrated circuits, and electronic circuit packaging and interconnects. Some difficulties encountered in numerical simulations are tackled with …
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Voltages induced upon telephone lines near three phase transmission lines
Made available in DSpace on 2014-09-18T16:20:56Z (GMT). No. of bitstreams: 2 license.txt: 4922 bytes, checksum: 910b249b4beec47e7ab768910c8f966f (MD5) voltagesinducedu00hump.pdf: 2247756 bytes, checksum: 45afad273d7f374859b5b2b557e12d7c (MD5) Previous issue date: 1917
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Transient analysis of lossy multiconductor transmission lines in nonlinear circuits
Using the frequency-dependent transmission line parameters, two time-domain models are developed for lossy multiconductor transmissions lines. It is shown that the endpoints of a lossy multiconductor line can be represented at each time step by discretized Thevenin or Norton equivalent circuits. …
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Investigation of a Mobile Damping Robot for Electric Transmission Lines
Electric transmission lines suffer from many hazards, including wind-induced vibrations (WIV), which can lead to fatigue failure of the transmission conductors. Current vibration mitigation methods do not adequately address WIV because they overwhelmingly rely on narrow-band fixed absorbers. A …
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New Algorithms for Locating Faults in Series Capacitive Compensated Transmission Lines
… of the fault in a series capacitive compensated transmission line (SCCTL) plays an integral part in limiting the maintenance time following its tripping due to the occurrence of a permanent fault. Since, an SCCTL acts as a huge corridor of power, its outage will result in huge monetary losses …
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Indirect numerical integration, difference approximation, and circuit simulation of transmission lines
… approximation, and circuit simulation of transmission lines.
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