Estado red vial de Colombia (2012)

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PSIM Simulation Of Variable Duty Cycle Control DCM Boost PFC Converter to Achieve High Input Power Factor

PSIM Simulation Of Variable Duty Cycle Control DCM Boost PFC Converter to Achieve High Input Power Factor

... small input– current ripple due to the series connection of the inductor at the input side, high PF over the whole input–voltage range, small size in the output capacitor due to its high voltage, and ...
Low cost all digital duty cycle corrector

Low cost all digital duty cycle corrector

... the duty cycle much faster than the analog ...half cycle delay line, as shown in fig ...the duty distortion caused by the delay line. In the TDC based duty cycle corrector ...
An analytical study of total harmonics reduct...

An analytical study of total harmonics reduct...

... both input and output sides and significant harmonics in load ...lagging input power factor (PFi) when the firing angle is ...PWM duty cycle. This process produces the input‑output ...
Harmonic Analysis of Front-End Current of Three-Phase Single-Switch Boost Converter

Harmonic Analysis of Front-End Current of Three-Phase Single-Switch Boost Converter

... sinusoidal input current and almost unity power factor with various duty ...harmonics distortion is found in the range of maximum ...of input current are higher in the beginning of duty ...
Title : SWITCHED COUPLED INDUCTOR BASED QUASI Z-SOURCE INVERTER FOR OBTAINING HIGH VOLTAGE GAIN Author (s) : SURENDHAR.A, BALAMANIKANDAN.M, RAGHURAMAN.V, Prof.B.M.PRABHU, Dr.S.PADMA

Title : SWITCHED COUPLED INDUCTOR BASED QUASI Z-SOURCE INVERTER FOR OBTAINING HIGH VOLTAGE GAIN Author (s) : SURENDHAR.A, BALAMANIKANDAN.M, RAGHURAMAN.V, Prof.B.M.PRABHU, Dr.S.PADMA

... continuous input current, lower component-voltage stresses, and common ground between the dc-voltage source and the ...shoot-through duty-cycle D and M ...harmonic distortion-THD) increase ...
Generation of short electrical pulses based on bipolar transistors

Generation of short electrical pulses based on bipolar transistors

... Figure 4 shows the simplest realization of a planar differen- tiating network. The high-pass character which is shown as a simulation result in Fig. 4, is achieved by the branch line shorted to signal ground. Both, the ...
Impact of fluctuating input of PV to harmonic distortion

Impact of fluctuating input of PV to harmonic distortion

... harmonic distortion to the system because of the electronic component used in the inverter ...harmonic distortion will affect both of the voltage grid and also the current ...
Diffraction grating characterisation for cold-atom experiments

Diffraction grating characterisation for cold-atom experiments

... Fig. 3 depicts how the relative diffracted power and beam intensity balance vary with diffraction angle, θ for 1D and 2D gratings. The circles and squares represent gratings with spatial dimension etched:unetched ...
Standard Cell Based an Area Efficient, 1 MHz to 2 GHz Range nine input Programmable Frequency Divider for Phase Locked Loop (PLL) Applications

Standard Cell Based an Area Efficient, 1 MHz to 2 GHz Range nine input Programmable Frequency Divider for Phase Locked Loop (PLL) Applications

... The duty reload generator also uses a transmission gate and NMOS transistor to form n- 1 XOR ...the input divisor is 256, the binary code of 256 is (100000000)2and the half value of 256 is ...the ...
Optimization Design of Parameters of Z source Inverter based on the Small signal Model using State space Averaging Method

Optimization Design of Parameters of Z source Inverter based on the Small signal Model using State space Averaging Method

... the duty cycle changes suddenly, we verified the correctness of the model; on this basis, we defined the optimization of the impedance network inductor and the capacitor parameter selection principle ac- ...
Modified Dual Output SEPIC Converter Integrated With Semi-Z-Source Inverter

Modified Dual Output SEPIC Converter Integrated With Semi-Z-Source Inverter

... A simple solution to elevate the static gain without increases the duty cycle and the switch voltage of a SEPIC converter is to include a secondary winding in the L2 inductor. To reduce the overvoltage at ...
Gesture Based Speed Control of A.C. Motor by Using A MATLAB Aishwaray B. Dalwani 1*, Jilka Y. Kharva2 , Krishna P. Patel 3, Rakesh S. Bhagat4 , Bhagchand Thavrani 5 Prof.Dr.Archana Nanoty 6

Gesture Based Speed Control of A.C. Motor by Using A MATLAB Aishwaray B. Dalwani 1*, Jilka Y. Kharva2 , Krishna P. Patel 3, Rakesh S. Bhagat4 , Bhagchand Thavrani 5 Prof.Dr.Archana Nanoty 6

... Image processing/ Gesture Recognition:Image processing is a method to perform operations by applying an image, in order to get some information from the image. It is a type of signal processing in which input is ...
Comparative Analysis of MPPT Techniques for Solar PV System using P&O and Fuzzy PSO

Comparative Analysis of MPPT Techniques for Solar PV System using P&O and Fuzzy PSO

... In this section we will demonstrate the result for FIS rule application that is optimized for achieving MPPT control. The PSO algorithm is designed to generate a fuzzy membership function for input values of error ...
Analysis and modeling of buck converter in discontinuous output inductor current mode operation

Analysis and modeling of buck converter in discontinuous output inductor current mode operation

... The Buck converter with LC input filter operating in discontinuous output current mode has a high power factor with a constant duty cycle. A Buck converter in this operation mode can reduce the ...
Analysis and Modeling of Buck Converter in  Discontinuous Output Inductor Current  Mode Operation

Analysis and Modeling of Buck Converter in Discontinuous Output Inductor Current Mode Operation

... cycle. These two operation modes can be considered as dual of each other [3]. However, the voltage stress of the switch and diode will be very high when the converter operates in discontinuous capacitor voltage ...
High Power Interleaved Boost Converter for Photovoltaic Applications

High Power Interleaved Boost Converter for Photovoltaic Applications

... Basic DC-DC boost converter is the preferred for PV applications. This is due to topology of this converter. The inductor in the input side reduces the ripple in the current drawn from PV and hence its losses. ...
Proposal of High Gain, Reduced Stress with Low Duty Cycle Two Input Boost Converter for Renewable Energy Systems

Proposal of High Gain, Reduced Stress with Low Duty Cycle Two Input Boost Converter for Renewable Energy Systems

... A. First Operation Mode: When the switches S1 & S2 are turned OFF, the energy stored in the input induc- tor Lin1 & Lin2 will be transferred to the multiplier capacitor CM1 & CM2 through the diodes DM1 ...
Improved junction 
		temperature measurement for high power LED

Improved junction temperature measurement for high power LED

... Improvements in junction temperature measurement of LED have been conducted to get more accurate measurement [16-17]. However, the use of low duty cycle without correction method is still used. This paper ...
Fuzzy logic – genetic algorithm based maximum power point tracking in photovoltaic system

Fuzzy logic – genetic algorithm based maximum power point tracking in photovoltaic system

... 16 It should be noted that the number and shape of the membership functions of each fuzzy set as well as the fuzzy logic inference mechanism was initially selected based on trial-and-error methods, in a manner that the ...
AC/DC SEPIC Converter for Non-Linear Controller

AC/DC SEPIC Converter for Non-Linear Controller

... its input. The output of the SEPIC is controlled by the duty cycle of the power ...the input) capable of true shutdown: when the switch is turned off SEPIC are useful in applications in which ...

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