نتایج جستجو برای: bipolar pulsed power generator
تعداد نتایج: 588321 فیلتر نتایج به سال:
the geopolitics of afghanistan after september 11, 2001, and its impact on iranian national security
abstract u.s. attack to afghanistan after 9/11 provided opportunities for us who tried to become the dominant power after collapse of ussr and bipolar world. thinkers like fukuyama believed american liberal democrats thought would be universally accepted without resistances. liberal democracy is the best and final model of governance; in this regard, united state has moral responsibilities for...
This paper established a one-dimensional model of coaxial dielectric barrier discharge (DBD) with single layer covering the high-voltage electrode. The mixture Ar and small amount CH4 was used as working gas, influence different voltage amplitude on characteristics studied by 10.0 kHz microsecond pulsed power. simulation results show that current curve presents bipolar intensities are generated...
In this article our objective is to obtain steady state characteristics of shunt, series, and separately excited DC motors coupled with a centrifugal water pump supplied through a step-up, step-down, and cuk converter from photovoltaic generator. We assume that there are no storage batteries and, of course, the system must operate on maximum utilization i.e. maximum water must be pumped. It is ...
In this article our objective is to obtain steady state characteristics of shunt, series, and separately excited DC motors coupled with a centrifugal water pump supplied through a step-up, step-down, and cuk converter from photovoltaic generator. We assume that there are no storage batteries and, of course, the system must operate on maximum utilization i.e. maximum water must be pumped. It is ...
Bipolar Square Wave Pulses for Liquid Food Sterilization using Cascaded H-Bridge Multilevel Inverter
This paper presents the generation of bipolar square wave pulses with characteristics that are suitable for liquid food sterilization using a Cascaded H-bridge Multilevel Inverter (CHMI). Bipolar square waves pulses have been reported as stable for a longer time during the sterilization process with minimum heat emission and increased efficiency. The CHMI allows the system to produce bipolar sq...
Recently, Transverse Flux Permanent Magnet Generators (TFPMGs) have been proposed as a possible generator in direct drive variable speed wind turbines due to their unique merits. Generally, the quality of output power in these systems is lower than multi stage fixed speed systems, because of removing the gears, so it’s important to design these kinds of generators with low ripple and lowe...
Excitation of 10-GHz gigawatt-range radiation pulses ~ 1 ns long in relativistic backward-wave oscillators with an elongated periodic slow-wave system has been studied. Accelerators based on a compact pulsed-periodic high-voltage generator type SINUS-160 and a generator employing an inductive energy storage, a semiconductor opening switch and a peaking hydrogen-filled spark gap have been develo...
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