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RLC circuit

About: RLC circuit is a research topic. Over the lifetime, 14490 publications have been published within this topic receiving 142697 citations.


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Patent
21 Feb 2013
TL;DR: In this article, a power transmitting unit-side resonance circuit including a resonance capacitor (Cr) connected in series to a power transmission coil (Lp) and a power receiving unit-sensor resonance circuit with a resonance capacitance (Crs) connecting in series with each other so that each resonance circuit resonates, while reactive power that is reflected is reserved as resonance energy in each circuit.
Abstract: A power transmitting unit-side resonance circuit including a resonance capacitor (Cr) connected in series to a power transmitting coil (Lp) and a power receiving unit-side resonance circuit including a resonance capacitor (Crs) connected in series to a power receiving coil (Ls) are caused to resonate with each other so that each resonance circuit resonates. With this, power is transmitted between the power transmitting coil (Lp) and the power receiving unit (Ls) making use of magnetic field resonance coupling and electric field resonance coupling. By making use of resonance, only effective power is transmitted from the power transmitting unit side to the power receiving unit side, while reactive power that is reflected is reserved as resonance energy in each resonance circuit.

70 citations

Proceedings ArticleDOI
06 Nov 2009
TL;DR: In this paper, the area-product value of a resonant inductor is derived from the loaded-quality factor of a circuit, output power, and operating frequency assuming the window utilization factor and the maximum flax density.
Abstract: There are no well-established criteria for selecting the core for the design of resonant inductors. This paper presents new expressions of the area product for resonant inductors. By using proposed expressions, the area-product value can be calculated from loaded-quality factor of a resonant circuit, output power, and operating frequency assuming the window utilization factor and the maximum flax density. The area-product value expressed in terms of the loaded-quality factor is a good criterion for selecting the core. The design examples are given for single-wire winding and multiple-strand winding with a gapped core taking into account skin, proximity, and fringing effects.

70 citations

Journal ArticleDOI
Ahmed G. Radwan1
TL;DR: The stability analyses where two regions have been classified are introduced with many numerical examples and general maps for transient and frequency responses are investigated showing the damping parameters for each case.
Abstract: This paper introduces the general fundamentals of the fractional order RLαCα circuit, where α is the order of the elements. The generalized complex impedance of the RLαCα circuit can be purely real, imaginary, or short circuit. The stability analyses where two regions have been classified are introduced with many numerical examples. General maps for transient and frequency responses are investigated showing the damping parameters for each case. The resonance, 3 dB frequencies, bandwidth, and quality factor for all possible cases have been investigated with detailed analytical formulas. Numerical and PSpice simulations are provided using different examples to validate these concepts.

70 citations

Journal ArticleDOI
TL;DR: In this article, the authors describe switching time bifurcation instabilities in a nonlinear periodically operated RLC circuit with a sinusoidal source and ideal thyristors with equidistant firing pulses.
Abstract: Thyristor controlled reactors are high power switching circuits used for static VAR control and the emerging technology of flexible AC transmission. The static VAR control circuit considered in the paper is a nonlinear periodically operated RLC circuit with a sinusoidal source and ideal thyristors with equidistant firing pulses. This paper describes new instabilities in the circuit in which thyristor turn off times jump or bifurcate as a system parameter varies slowly. The new instabilities are called switching time bifurcations and are fold bifurcations of zeros of thyristor current. The bifurcation instabilities are explained and verified by simulation and an experiment. Switching time bifurcations are special to switching systems and, surprisingly, are not conventional bifurcations. In particular, switching time bifurcations cannot be predicted by observing the eigenvalues of the system Jacobian. We justify these claims by deriving a simple formula for the Jacobian of the Poincare map of the circuit and presenting theoretical and numerical evidence that conventional bifurcations do not occur.

70 citations

Proceedings ArticleDOI
23 May 2004
TL;DR: A fully integrated CMOS impulse generator was designed as a part of the System-on-Chip (SOC) implementation of an Ultra-Wide-Bandwidth (UWB) wireless communication system to avoid using off-chip components.
Abstract: A fully integrated CMOS impulse generator was designed as a part of the System-on-Chip (SOC) implementation of an Ultra-Wide-Bandwidth (UWB) wireless communication system. Three interpolation delay blocks in series and an XOR block are utilized for the pulse generation. The Gaussian Mono-pulse is generated with a RLC Band-Pass Filter (BPF), and a substrate RF inductor is utilized to avoid using off-chip components. The ideal BPF and the substrate BPF simulation results were compared to predict the actual performance of the impulse generator. The substrate BPF brings wider -3 dB bandwidth (BW), less ripple ratio, and smaller output amplitude. It operates with a center frequency of 3.27 GHz and a -3 dB BW of 3.34 GHz with an inductor value of 10 nH. The impulse generator was designed with MOS current mode logic (MCML) in the TSMC 0.18 /spl mu/m CMOS process.

70 citations


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Performance
Metrics
No. of papers in the topic in previous years
YearPapers
202379
2022173
2021277
2020465
2019550
2018558