نتایج جستجو برای: superconducting magnetic storage energy
تعداد نتایج: 1142334 فیلتر نتایج به سال:
Reliability Assessment on Different Designs of a SMES System Based on the Reliability Index Approach
The current paper presents an effective methodology for assessing the reliability of electromagnetic designs when considering uncertainties of design variables. To achieve this goal, the reliability index approach based on the first-order reliability method is adopted to deal with probabilistic constraint functions, which are expressed in terms of random design variables. The proposed method is...
The stability of positioning is one of the most important characteristics in ywheel energy storage systems with high-temperature superconducting (HTSC) magnetic bearing . In this paper, we experimentally discuss the drift of the levitation gap in the ywheel system under the revolution. When the revolution speed of the ywheel rotor passes through the mechanical resonant frequencies, the dynamics...
Subsynchronous Resonance Damping Using SMES Optimized by Quantum Behaved Particle Swarm Optimization
Subsynchronous resonance (SSR) problems appeared due to resonance between the turbine and the series capacitor on transmission line is damped by installing superconducting magnetic energy storage (SMES) unit which the parameters are optimized by quantum behaved particle swarm optimization (QPSO). The proposed objective function is comprehensive damping index (CDI) of SSR damping. To accommodate...
In this paper, the transient stability of an electric power system is improved by fuzzy logic controlled superconducting magnetic energy storage (SMES). The effectiveness of the proposed fuzzy controlled SMES is compared with a conventional proportional integral (PI) controlled SMES. In addition to it a comparison between the fuzzy controlled SMES and fuzzy controlled braking resistor (BR) is a...
Low-temperature electronics operating in below zero temperatures or even below the lower limit of the common -65 to 125 °C temperature range are essential in medical diagnostics, in space exploration and aviation, in processing and storage of food and mainly in scientific research, like superconducting materials engineering and their applications-superconducting magnets, superconducting energy ...
B. Lee Roberts , Department of Physics, Boston University, Boston, MA 02215, USA for the Muon Collaboration[1] Abstract The Muon experiment, E821, at the Brookhaven AGS has the goal to measure the muon anomalous magnetic moment to a relative accuracy of . A superferric 14 m diameter storage ring has been constructed and an averaged magnetic field uniformity over the 90 mm diameter muon storage ...
We have demonstrated storage of plasmas of the charged constituents of the antihydrogen atom, antiprotons and positrons, in a Penning trap surrounded by a minimum-B magnetic trap designed for holding neutral antiatoms. The neutral trap comprises a superconducting octupole and two superconducting, solenoidal mirror coils. We have measured the storage lifetimes of antiproton and positron plasmas ...
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