Implementation of a Novel Microcontroller-Based Voltage Source Sine-Wave Inverter

2011 ◽  
Author(s):  
Muhammad Usman Rafique ◽  
Saad Aslam ◽  
Jahanzeb Anwer
Keyword(s):  
Sine Wave ◽  
Voltage Source

scholarly journals A state-space approach for control of NPC type 3-level sine wave inverter used in FOC PMSM drive

2014 ◽  
Vol 62 (3) ◽  
pp. 439-448 ◽  
Author(s):  
T. Tarczewski ◽  
L.M. Grzesiak ◽  
A. Wawrzak ◽  
K. Karwowski ◽  
K. Erwinski
Keyword(s):  
Feedback Control ◽  
State Feedback ◽  
Voltage Control ◽  
Sine Wave ◽  
State Feedback Control ◽  
Voltage Source ◽  
Synthesis Process ◽  
Dynamic Features ◽  
Feedback Controllers ◽  
Type 3

Abstract This paper presents the design and analysis process of state feedback controllers for NPC type 3-level sine wave inverter. In order to achieve good dynamic features in a state feedback control an internal model of reference input and a feedforward path are introduced. During synthesis process of the state feedback controllers maximum permissible dynamics of voltage control in the linear range of modulation is taken into account. It is shown that initially gains of the controller and feedforward path are non-stationary and depend on the angular velocity. Stationary approximation of a non-stationary state feedback controller is presented in details. Proposed state feedback control structures for continuous voltage shaping NPC type 3-level voltage source inverter are examined in FOC PMSM drive. The novelty of the presented controller lays in a stationary approximated state feedback control structure designed in terms of maximum permissible dynamics of a voltage control system. Simulation and experimental results (at the level of 3 kW) of the designed control algorithms are included.

Artificial bee colony algorithm for inverter complex wave reduction under line-load variations

2017 ◽  
Vol 40 (5) ◽  
pp. 1593-1607 ◽  
Author(s):  
NM Spencer Prathap Singh ◽  
N Kesavan Nair
Keyword(s):  
Artificial Bee Colony ◽  
Single Phase ◽  
Fuzzy Logic Controller ◽  
Sine Wave ◽  
Pi Controller ◽  
Voltage Source ◽  
Line Load ◽  
Abc Algorithm ◽  
Load Variations ◽  
Bee Colony

This paper describes the minimization of total harmonics in a single-phase sine wave voltage source inverter using a proportional–integral (PI) controller by estimating the optimized values of PI constants using an artificial bee colony (ABC) algorithm under line-load variations. The single-phase inverter is a non-linear load using power electronic components causing distortions in the load voltage and current wave patterns from the sinusoidal waveforms due to harmonics. A state variable analysis for the single-input–single-output (SISO) model of an inverter was developed by considering the switching sequence of a voltage source full bridge sine wave inverter. The ABC algorithm calculates the optimized values of the constants for the PI controller, thereby tuning the controller for reducing the total harmonics of an inverter. The MATLAB/Simulink tool and an experimental set-up were implemented, and their total harmonic distortion (THD) values were estimated. The outcomes of the proposed ABC scheme were compared with the previous results such as the PI algorithm, fuzzy logic controller, neuro-fuzzy controller, particle swarm optimization (PSO) and the bat algorithm. A practical example of the ABC algorithm is considered in the present harmonic reduction problem. From the simulation and experimental results using the ABC algorithm, it was observed that its harmonics levels were reduced considerably compared with IEEE and IEC standards.

The Simulation of SPWM in Voltage Source STATCOM

2012 ◽  
Vol 614-615 ◽  
pp. 887-890 ◽  
Author(s):  
Lin Suo Zeng ◽  
Hong Yu Liu
Keyword(s):  
Pulse Width ◽  
Pulse Width Modulation ◽  
Sine Wave ◽  
Voltage Source ◽  
Modulation Wave ◽  
Important Link ◽  
Three Phase

The inverter part is an important link of the voltage source STATCOM, and a key problem of inverter is how to generate PWM switch signals according to given parameter. The part of SPWM inverter in STATCOM was simulated in Matlab. The result shows that the inverter bridge was controlled by the three-phase pulse width modulation wave produced by the SPWM and the three-phase sine wave at the side of the inverter bridge is outputted. This method is suitable for studying of the STATCOM system.

scholarly journals Modeling of single phase off-grid inverter for small standalone system applications

2020 ◽  
Vol 11 (3) ◽  
pp. 1398
Author(s):  
Rodney H.G. Tan ◽  
Chong Boon Chuin ◽  
Sunil Govinda Solanki
Keyword(s):  
Conversion Efficiency ◽  
Single Phase ◽  
Harmonic Distortion ◽  
Sine Wave ◽  
Voltage Source ◽  
Control Voltage ◽  
Simulink Model ◽  
Validation Experiment ◽  
Efficiency Performance ◽  
Lc Filter

This paper presents the detail circuitry modeling of single phase off-grid inverter for small standalone system applications. The entire model is developed in MATLAB/Simulink platform using circuitry model. This off grid inverter consists of a high frequency DC-DC step up converter cascaded with a full bridge PI control voltage source inverter using SPWM modulation with LC filter to produce sine wave output. This is a common design used in many small commercial off-grid inverter. This off-grid inverter model is capable to produce AC sinewave output voltage at 230 V 50 Hz up to 1 kW power from a 48 V DC lead acid battery source. The AC sine wave output waveform achieved a voltage Total Harmonic Distortion (THD) of less than 1 % which is almost a pure sine wave. The conversion efficiency performance of the off-grid inverter achieved more than 94 %. The performance of the model is validated by real commercial off-grid inverter. The performance validation experiment shows that the off-grid inverter Simulink model conversion efficiency and THD performance are comparable to the commercial off-grid inverter. This model contributes to assist small to medium standalone system load and battery sizing design with greater accuracy.

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