duty ratio.
Influence of Pulse Period and Duty Ratio on Electrochemical Micro Machining (EMM) Characteristics
... different duty ratio’s ...80% duty ratio may be due to formation of passive anodic layers over the machining zone, improper flushing of electrolyte that makes accumulation of sludge and other ...
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Further Study of Electric Dust Removal with Transparent Fork Electrodes
... This study is a continuation of our previous work. In this experiment, transparent tin-doped in- dium oxide (ITO) fork electrodes with different width and spacing were coated on the glass sub- strates. The used dust ...
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Effects of Pulsed-Electrodeposition Parameters on the Property of Aluminum Film onto Sintered NdFeB Magnets
... According to the literatures [11-13], brighter and flatter surfaces with tiny Al particles can be obtained at appropriate pulse parameters (pulse frequency and duty ratio) [14]. Researches of P. Giridhar et ...
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High Efficiency Ac-Ac Power Electronic Converter Applied To Domestic Induction Heating
... hysteresis current controller to derive gating signals of the devices (MOSFETs) of the converter. The corrective action is taken in each half cycle of the ac source, resulting in fast dynamic response of the converter. ...
14
The Optics and Optimal Control Theory Interpretation of the Parametric Resonance
... depth, duty ratio and initial phase are ...and duty ratio to the condition of the equality of optical paths to the quarter-wavelength characteristic of the interference filter or ...frequency, ...
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Design, Simulation and Control of Solar Wind Hybrid Renewable Power System
... Assuming that the voltage level of the DC link is constant, the perturbation in duty-ratio of the switching signal (G s) will cause a variation in the voltage level[r] ...
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Topology and Analysis in PWM Inversion, Rectification, and Cycloconversion
... duty ratio modulation generates distortion at the output. multiple feedback loops are closed around the circuit to ensure that the line current is sinusoidal; once[r] ...
326
Processing of Al2O3–SiCw–TiC ceramic composite by powder mixed electric discharge grinding
... and Duty ratio. The effect of increased Duty ratio has been discussed for Fig. 12a. From Fig. 12d it may be no- ticed that the increase in wheel speed results in reduced SR, which may be due ...
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Stand Alone Power System Using Photovoltaic/Fuel Cell/Battery Hybrid Generating System
... with the fuel cell will supply the required power. In this operation mode, the control strategy is based on regulating one of the input sources on its reference power with its corresponding duty ratio, ...
7
Mode manipulation and near THz absorptions in binary grating graphene layer structures
... and duty ratio of gratings, and the mode suppression can be realized by modifying the grating constant and duty ...constant, duty ratio, and distance between the graphene layers and ...
6
Index Terms Coupled inductor, dc/dc converters, high step-up, switched capacitor.
... Demand for clean and sustainable energy sources has dramatically increased during the past few years with growing population and industrial development. For a long time, fossil fuels have been used as the major source of ...
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Interleaved Boost Converter with a Voltage Multiplier for PV Module Using Grid Connected Load in Rural Areas
... ABSTRACT: In the existing system having step-up converters, such as the boost converter and fly back converter, it is not possible to achieve a high step-up conversion with high efficiency because of the resistances of ...
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ENHANCED PLANTED(ℓ,D) MOTIF SEARCH PRUNE ALGORITHM FOR PARALLEL ENVIRONMENT
... of duty ratio command for the power converter even without having an understanding of the mathematical model, contrasting traditional controllers, ...The duty ratio command of the IGBT for the ...
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Power Saving Using PV Array and Boost Converter when used with A VFD
... As duty ratio increase and power supply from PV system and boost converter start supplying, then main power start ...lower duty ratio, because at lower duty ratio output voltage ...
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Sliding Mode MPPT Based Control For a Solar Photovoltaic system
... dependent on irradiance, temperature. Maximum power point tracking (MPPT) is used to obtain maximum power from these systems. There are several techniques of MPPT, here considering the open circuit voltage MPPT[2]. The ...
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Design of Boost Converter with Fuzzy Logic Controller for Renewable Energy Sources
... ABSTRACT: Due to the lack of conventional energy sources, world is moving towards renewable energy sources as an alternative for the energy needs. As these are pollution free and cheap, these are very useful. Fuel Cell ...
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Differential search algorithm-based parametric optimization of electrochemical micromachining processes Pages 41-54 Download PDF
... in duty ratio would also increase the dissolution rate, and these products cannot be efficiently flushed out, once the duty ratio crosses the limit of ...50% duty ratio, the ...
14
A Coupled Inductor Based High Voltage Gain DC-DC Converter Using Interleaved Voltage Multiplier Cells
... conversion ratio are needed to convert the PV generated low voltage to the required high voltage level ...in duty ratio of switch, makes the reverse recovery problem appear seriously and also, the ...
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Simulation of Perturb and Observe MPPT algorithm for FPGA
... In this paper, the use of MPPT to vary the duty ratio DC-DC converter switch to match the impedance and transfer maximum power from PV module to load is shown. The flow of P and O MPPT algorithm with ...
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Speed Control of BLDC Motor Using FPGA
... PWM signals are generated from the Spartan-6 FPGA processor by writing VHDL program to control the inverter switches. The switching signal parameters namely switching frequency, the duty ratio and the ...
6