Suppression of the Input Current Harmonics and Output Voltage Ripple Using the Novel Multiple-Input AC-DC Converter

2005 ◽  
Vol E88-C (8) ◽  
pp. 1785-1789
Author(s):  
K. KOBAYASHI
Keyword(s):  
Output Voltage ◽  
Input Current ◽  
The Novel ◽  
Current Harmonics ◽  
Voltage Ripple ◽  
Multiple Input

Voltage Ripple Reduction in Voltage Loop of Voltage Source Converter

2017 ◽  
Vol 8 (2) ◽  
pp. 869
Author(s):  
Jedsada Jaroenkiattrai ◽  
Viboon Chunkag
Keyword(s):  
Output Voltage ◽  
Harmonic Distortion ◽  
Input Voltage ◽  
Input Power ◽  
Input Current ◽  
Voltage Source ◽  
Voltage Source Converter ◽  
Dynamical Response ◽  
Voltage Ripple ◽  
Ripple Reduction

In order to achieve a good dynamical response of a full-bridge AC-DC voltage source converters (VSC). The bandwidth of PI controller must be relatively wide. This leads to the voltage ripple produced in the control signal, as known that its ripple frequency has twice of the line frequency and cause the 3rd harmonic of an input current. A Ripple Voltage Estimator (RVE) algorithm and Feed-Forward Compensation (FFC) algorithm are proposed and added to the conventional control. The RVE algorithm estimated the ripple signal to subtract it occurring in the voltage loop. As a result, the 3rd harmonic of the input current can be reduced, and hence the Total Harmonic Distortion of input current (THDi) are improved.  In addition, the FFC algorithm will offer a better dynamical response of output voltage. The performance evaluation was conducted through the simulation and experiment at 110Vrms/50Hz of the input voltage, with a 600 W load and 250 V<sub>dc</sub> output voltage. The overall system performances are obtained as follows: the power factor at the full load is higher 0.98, the harmonic distortion at AC input power source of the converter is under control in IEC61000-3-2 class A limit, and the overall efficiency is greater than 85%.

Input-current/output-voltage ripple mitigation in the double dual boost converter

2018 ◽  
Vol 162 ◽  
pp. 150-160 ◽  
Author(s):  
J.E. Valdez-Resendiz ◽  
J.C. Rosas-Caro ◽  
J.C. Mayo-Maldonado ◽  
G. Calderon-Zavala
Keyword(s):  
Output Voltage ◽  
Boost Converter ◽  
Input Current ◽  
Current Output ◽  
Voltage Ripple

Modelling and Simulation of Current Fed Interleaved Isolated DC-DC Boost Converter for Fuel Cell Applications

2016 ◽  
Vol 8 (1) ◽  
Author(s):  
S. Saha ◽  
A. Bhattacharjee ◽  
E. Devaraj
Keyword(s):  
Fuel Cell ◽  
Output Voltage ◽  
High Gain ◽  
Input Current ◽  
High Input ◽  
Magnetic Components ◽  
Voltage Ripple ◽  
In Series ◽  
Current Ripple ◽  
A Current

In this a paper, a current fed, interleaved, high gain, DC-DC converter is proposed for fuel cell applications. The converter also provides electrical isolation between the load and the source by using a transformer. The input features two current fed, full bridge inverters in parallel while the output features two full bridge diode rectifiers in series. By using this topology, the high input current is shared between the two inverters. These enables the use of lower current rating semiconductor devices, reduces switching stresses and reduces the size of magnetic components. It also results in reducing the input current ripple and the output voltage ripple.

Simulation and Implementation of Single Phase Boost – Buck Rectifier Using SPMC Topology with Reduced Input Current THD

2014 ◽  
Vol 592-594 ◽  
pp. 2199-2203
Author(s):  
Ajay Giri ◽  
Lalit Mohan Saini
Keyword(s):  
Output Voltage ◽  
Single Phase ◽  
Pulse Width Modulation ◽  
Matrix Converter ◽  
Input Current ◽  
Current Harmonics ◽  
Switching Algorithm ◽  
Converter Topology ◽  
Simulation Results ◽  
Boost Rectifier

Simulation of single phase buck boost rectifier with reduced input current THD using single phase matrix converter topology is describing in this paper. Due to the bidirectional feather the operation for buck-boost rectifier can be made through matrix converter topology. And this is possible by the proper switching algorithm to control the switches for their boost and buck operation. The input current nature is almost sinusoidal with low current total current harmonics and the level of THD is below than limit that was defined in the standards of IEEE. With the proper variation in modulation index corresponding changes in the output voltage is observed of buck-boost rectifier. For the synthesis of the output voltage Pulse width modulation (PWM) technique is used. The simulation results using MATLAB/Simulink are providing to validate the feasibility of this proposed method

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