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Application Research of Chaotic Carrier Frequency Modulation Technology in Two-Stage Matrix Converter

Kai Wang, Liwei Li, Yong Lan, Peng Dong, Guoting Xia
2019 Mathematical Problems in Engineering  
The harmonics of line to line voltage in two-stage matrix converter (TSMC) with fixed carrier frequency had discrete and high values and produced powerful electromagnetic interference (EMI).  ...  In order to improve reliability, the rectifier in the two-stage matrix converter uses PWM modulation with zero vector to extend the zero current commutation time, solves the narrow pulse problem, and simplifies  ...  Acknowledgments The work was supported by the Qingdao Postdoctoral  ... 
doi:10.1155/2019/2614327 fatcat:n7jzjj577jdo3des2euwa5uwbe

Intelligent Control Method for Loss Distribution Balance of High-Power Photovoltaic Grid-Connected Inverters

Yi Xu, ErYong Zou, FengPing Tang, Le Sun
2022 Computational Intelligence and Neuroscience  
The loss of inductance, resonant frequency, harmonic attenuation, and damping resistance in the circuit of PV grid-connected inverter is analyzed, respectively.  ...  Experimental results show that the proposed method can accurately suppress voltage and current losses of grid-connected photovoltaic inverters and has strong resonance resistance and robustness.  ...  According to the L-type filter standard, the total inductance is analyzed for the suppression of harmonics in the low input voltage inverter.  ... 
doi:10.1155/2022/7240834 pmid:35685128 pmcid:PMC9173922 fatcat:vu7re3q7hbg5zmwenyiorqvpai

Control of a Single Stage Boost Inverter Based on Dynamic Sliding Mode Control with Power Decoupling

2020 International Journal of Engineering  
In this paper, the problem of control a single-stage boost inverter is studied.  ...  steady-state error, decoupled power and good total harmonic distortion (THD) over the output voltage and input currents, and simple implementation.  ...  Then the PR control concept is employed to eliminating the second-order ripple current in second stage and to reject harmonics in last stage.  ... 
doi:10.5829/ije.2020.33.10a.16 fatcat:oqhxdhiipzaz7hvj65b54m5x7e

A Class-D outphasing RF amplifier with harmonic suppression in 90nm CMOS

Jonas Fritzin, Christer Svensson, Atila Alvandpour
2010 2010 Proceedings of ESSCIRC  
The technique creates a voltage level of V DD /2 from a single supply voltage to shape the drain voltage, uses only digital circuits and eliminates the short-circuit current present in inverter-based Class-D  ...  of the input signals or any other linearization technique.  ...  The authors would also like to thank Johan Brobäck and Anders Sundberg, R&S, Sweden, for providing the measurement equipment.  ... 
doi:10.1109/esscirc.2010.5619706 dblp:conf/esscirc/FritzinSA10 fatcat:hi5d3vhekfa3bj3pkqngsdklgm

A Transformer-Less Buck-Boost Grid-Tied Inverter with Low Leakage-Current and High Voltage-Gain

Chien-Hsuan Chang, Yi-Fan Chen
2021 Applied Sciences  
To meet the needs of grid-connected systems with low input voltage and 220 Vrms utility, this paper uses two two-switch buck-boost converters with coupled inductors to develop a transformer-less buck-boost  ...  Furthermore, the utility line can be connected to the negative end of the PV array to suppress leakage current, and the unfolding circuit can be simplified to reduce the conduction losses.  ...  Acknowledgments: The authors greatly appreciate for the funding support from the Ministry of Science and Technology (MOST) of Taiwan, which is subject to the reference number MOST 109-2221-E-214-014.  ... 
doi:10.3390/app11083625 fatcat:4wz3mb2fqvfs5hocsaoibi4n4i

Design and analysis of a novel AC‐side power decoupling circuit

Zhang Yonggao, Fu Weidong, Liu Peng, Chang Yu, Yan Sheng
2021 IET Power Electronics  
A large amount of second (2ω) ripple power are coupled on the DC bus of a single-phase inverter due to the output pulsating power.  ...  The circuit is connected in parallel with the AC side of the inverter to realise the local decoupling of the pulsating power on the AC side.  ...  When the APDC puts into operation, the second harmonic current swing is reduced to 0.7 A. Figure 14 shows the fast fourier transformation (FFT) analysis of input current.  ... 
doi:10.1049/pel2.12104 fatcat:buj77xtni5cc7kwmauxrhwukum

Mitigation of Input Ripple Current in Single Phase Fuel Cell Power Systems

Soumya Sinha, Wajiha Shireen, Sumit Pramanick
2017 International Journal of Power and Energy Research  
In a single-phase fuel cell system, the single-phase inverter introduces a second harmonic component in the current drawn from the fuel cell source.  ...  The power conditioning system associated with their applications consists of a DC-DC Converter stage and a DC-AC inverter stage.  ...  realized on two-stage single phase inverter.  ... 
doi:10.22606/ijper.2017.13003 fatcat:rojvlu2jzvhu5drfvqkbrib4vu

Dynamic characteristics of boost inverter with waveform control

Guo-Rong Zhu, Cheng-Yuan Xiao, Hao-Ran Wang, Wei Chen, Siew-Chong Tan
2014 2014 IEEE Applied Power Electronics Conference and Exposition - APEC 2014  
The input current of single-phase inverter typically has an AC ripple component at twice the output frequency.  ...  The characteristics of the waveform control method in boost inverter under input voltage or wide range load variations are studied.  ...  In systems with a two-stage power conversion setup comprising a first-stage DC/DC converter and a second-stage DC/AC inverter, the output pulsation power can be contained in the middle section of the system  ... 
doi:10.1109/apec.2014.6803545 fatcat:kd4knecxfjbnxlmf3zq4b6c76m

Fuzzy Logic Control based Three Phase Shunt Active Filter for Voltage Regulation and Harmonic Reduction

G. Jayakrishna, K.S.R. Anjaneyulu
2010 International Journal of Computer Applications  
In order to improve the power factor, compensate the reactive power and suppress the total harmonic distortion (THD) drawn from a Non-Linear Diode Rectifier Load (NLDRL) of SAF, we propose a Hysteresis  ...  SAF is one of the key controllers in Flexible Alternating Current Transmission System (FACTS) to control the transmission line voltage and can be used in PS to enhance the power transmission capacity and  ...  In the first stage, the essential voltage signals are measured to gather accurate system information. In the second stage, compensating currents are derived based on synchronous reference D-Q theory.  ... 
doi:10.5120/1479-1996 fatcat:sxq3f5fncffoxnmlal2sh4a6me

Quasi Impedance Source Inverter Based Active Filter for Flexible Grid Connection

Madasamy P
2017 International Journal for Research in Applied Science and Engineering Technology  
Active filter (AF) has become the conventional technique of harmonic suppression, and the control method applied in the photovoltaic grid-connected system.  ...  The proposed method adopted grid power to control active filter directly, thus the detection of harmonics and reactive current of loads is omitted.  ...  then the FFT analysis of the system in figure FFT analysis without filter Fig7.FFT analysis with filter  ... 
doi:10.22214/ijraset.2017.9024 fatcat:dmj7ug2gyngtfomgde5hp5muqm

Digital Simulation, Design, Comparitive Analysis of Intelligent Controllers in Adjustable Speed Drives for PQ Enhancement

Melina
2012 American Journal of Applied Sciences  
It is verified from the practical point of view that both the new approaches are more effective and acceptable to minimize the harmonic distortion and improve the quality of power.  ...  Results: Thus GA's performance outscores over fuzzy in all power quality parameter measures and the proposed optimizing strategies can be applied to any variable-frequency DC-AC inverters, UPSs and ac  ...  • Defuzzification interface The first stage in all FLCs is the fuzzification of inputs.  ... 
doi:10.3844/ajassp.2012.83.88 fatcat:4jdw4wwwvzhmpggcaot5j5hqdm

Synchronous Reference Frame Detection and Hysteresis Control for Active Power Filters
English

Riya Philip
2014 International Journal of Advanced Research in Electrical, Electronics and Instrumentation Engineering  
Due to intensive use of power converters and other non linear loads in industries, an increasing deterioration of the power system voltage and current waveforms has been observed.  ...  So an improved method of Active Power Filter (APF) used to eliminate the disturbances in current.  ...  The third stage is the generation of gating signal for harmonic suppression.  ... 
doi:10.15662/ijareeie.2014.0309053 fatcat:dcevrgm3gffe5cwo2jihccrq4a

Generation, performance evaluation and control design of single-phase differential-mode buck–boost current-source inverters

Ahmed Darwish, Barry Williams, Shehab Ahmed, Ahmed Massoud, Derrick Holliday
2016 IET Renewable Power Generation  
2016) Generation, performance evaluation and control design of single-phase differential-mode buck-boost current-source inverters. IET Renewable Power Generation, 10 (7)  ...  In [21] , a two# switch two#diode reversible boost converter can actively eliminate the second order harmonic component from the input of the PV or EV system currents as shown in Fig. 8a and the energy  ...  In Fig. 8c , a proportional#resonant (PR) controller is implemented in order to ensure suppression of the 2 nd and 4 th order harmonics from the input current.  ... 
doi:10.1049/iet-rpg.2015.0343 fatcat:2zgk76wuhnc6lbav5hcee56xye

A Novel Predictive Control Method with Optimal Switching Sequence and Filter Resonance Suppression for Two-Stage Matrix Converter

Zhengfei Di, Demin Xu, Luca Tarisciotti, Pat Wheeler
2021 Energies  
is proposed to suppress the input filter resonance.  ...  This paper proposes a vector modulation-based model predictive current control strategy for a two-stage matrix converter. The switching frequency is kept constant by fixing the switching instantly.  ...  Acknowledgments: The authors thank the Natural Science Basic Research Plan in Shaanxi Province of China and the China Scholarship Council.  ... 
doi:10.3390/en14123652 fatcat:f66nqt6kj5cjhh73yxgnbcpqeu

Performance Improvement for Two-Stage Single-Phase Grid-Connected Converters Using a Fast DC Bus Control Scheme and a Novel Synchronous Frame Current Controller

Bingzhang Li, Shenghua Huang, Xi Chen
2017 Energies  
Due to the presence of a second harmonic ripple across the DC bus voltage, it is very challenging to design the DC bus voltage control scheme in single-phase grid-connected inverters.  ...  Two-stage single-phase grid-connected converters are widely used in renewable energy applications.  ...  As depicted in Figure 13 , it consists of two boost converters and a simple full bridge on the second stage. The two boost converters in the first stage have two operation modes.  ... 
doi:10.3390/en10030389 fatcat:uelkmmgugrdvxdelzxx45gytku
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