scholarly journals Design of Nonlinear Backstepping Control Strategy of PMSG for Hydropower Plant Power Generation

2021 ◽  
Vol 54 (1) ◽  
pp. 1-8
Author(s):  
Abdelkader Boudali ◽  
Karim Negadi ◽  
Sarah Bouradi ◽  
Abderrahmane Berkani ◽  
Fabrizio Marignetti
Keyword(s):  
Reactive Power ◽  
Synchronous Generator ◽  
Boost Converter ◽  
Backstepping Control ◽  
Hydropower Plant ◽  
Three Phase ◽  
Bridge Rectifier ◽  
Bus Voltage ◽  
Nonlinear Backstepping Control ◽  
Three Phase Inverter

In this paper, renewable hydropower plant generators with permanent magnet synchronous generator are coupled via a diode bridge rectifier - DC/DC boost converter and three-phase inverter to a power grid. This paper studies a new control structure focused a backstepping control of the energy generation system.The proposed methods for adjusting the active and reactive power by adjusting the currents, the DC bus voltage on the main side converter, as well as the voltage at the output of the DC-DC boost converter. The main objective of this control is to obtain purely sinusoidal and symmetrical grid current signals, to suppress oscillations in reactive power and to cancel active power chattering in the event of grid imbalance. In order to optimize the energy flow in the different parts of the production process, an energy control algorithm is developed in order to attenuate the fluctuations in the water flow, the grid system of the hydropower plant considered has been implemented in Matlab/Simulink, the results show the effectiveness of the proposed method. To analyze our approach, a prototype is modeled, simulated and can be performed in an experimental test setup.

scholarly journals Modeling and control of a hybrid DC/DC/AC converter to transfer power under different power management strategies

2021 ◽  
Vol 12 (3) ◽  
pp. 1620
Author(s):  
Amin Alizadeh Asl ◽  
Ramin Alizadeh Asl
Keyword(s):  
Reactive Power ◽  
Control Method ◽  
Proper Time ◽  
Management Strategies ◽  
Additional Advantage ◽  
Modeling And Control ◽  
Phase Inverter ◽  
Three Phase ◽  
Three Phase Inverter ◽  
Generation Power

<span>A hybrid DC/DC/AC converter connected to the grid without a three-phase transformer is controlled. The decentralized control method is applied to the hybrid DC-DC converter such that the maximum power of PV flows to the grid side. This controller must charge and discharge the battery at the proper time. It must also regulate DC-link voltage. An additional advantage of the proposed control is that the three-phase inverter does not need a separate controller such as PWM and SPWM. A simple technique is used for creating the desired phase shift in the three-phase inverter, which makes the active and reactive power of the inverter controllable. A new configuration is also proposed to transmit and manage the generation power of PV. In this<br />scheme, the battery and fuel cell are employed as an auxiliary source to manage the generation power of PV. Finally, a real-time simulation is performed to verify the effectiveness of the proposed controller and system by considering the real characteristics of PV and FC.</span>

scholarly journals Grid-tie three-phase inverter with active power injection and reactive power compensation

2016 ◽  
Vol 85 ◽  
pp. 854-864 ◽  
Author(s):  
Leonardo P. Sampaio ◽  
Moacyr A.G. de Brito ◽  
Guilherme de A. e Melo ◽  
Carlos A. Canesin
Keyword(s):  
Reactive Power ◽  
Reactive Power Compensation ◽  
Active Power ◽  
Phase Inverter ◽  
Power Injection ◽  
Three Phase ◽  
Three Phase Inverter

scholarly journals Grid-tie Three-phase Inverter With Active And Reactive Power Flow Control Capability

2014 ◽  
Vol 19 (4) ◽  
pp. 397-405
Author(s):  
Leonardo Poltronieri Sampaio ◽  
Moacyr Aureliano Gomes de Brito ◽  
Guilherme de Azevedo e Melo ◽  
Carlos Alberto Canesin
Keyword(s):  
Flow Control ◽  
Power Flow ◽  
Reactive Power ◽  
Power Flow Control ◽  
Phase Inverter ◽  
Active And Reactive Power ◽  
Reactive Power Flow ◽  
Three Phase ◽  
Control Capability ◽  
Three Phase Inverter

THREE-PHASE FOUR-WIRE PV-BASED SERIES HYBRID ACTIVE POWER FILTER FOR POWER QUALITY IMPROVEMENT

2014 ◽  
Vol 23 (10) ◽  
pp. 1450144 ◽  
Author(s):  
M. VIJAYAKUMAR ◽  
S. VIJAYAN
Keyword(s):  
Reactive Power ◽  
Experimental Studies ◽  
Active Power Filter ◽  
Boost Converter ◽  
Active Power ◽  
Solar Irradiation ◽  
Voltage Source ◽  
Power Filter ◽  
Hybrid Active Power Filter ◽  
Three Phase

This paper proposes a photovoltaic (PV)-based three-phase four-wire (3P4W) series hybrid active power filter (SHAPF) it comprises of a series active power filter (SAPF) and an LC shunt passive filter. The proposed system eliminates both the current and voltage harmonics and compensates reactive power, neutral current and voltage interruption. A SAPF demands a source of energy for compensating the voltage sag/swell. This system introduces a new topology for SHAPF utilizes the PV with DC–DC boost converter as a source of DC power for SAPF. The compensation current reference evaluation is based on the twin formulation of the vectorial theory of electrical power theorem with fuzzy logic controller (FLC). The PV array/battery managed DC–DC boost converter is employed to step up the voltage to meet the DC bus voltage requirement of the three-leg voltage source inverter (VSI). The foremost benefit of the proposed system is that, it will provide uninterrupted compensation for the whole day. This system utilizes the renewable energy accordingly saves the energy and shares the load during the solar irradiation available. The simulation and experimental studies are carried out to validate the effectiveness of the proposed PV-SHAPF.

A D-$\Sigma$ Digital Control for Three-Phase Inverter to Achieve Active and Reactive Power Injection

2014 ◽  
Vol 61 (8) ◽  
pp. 3879-3890 ◽  
Author(s):  
Tsai-Fu Wu ◽  
Chih-Hao Chang ◽  
Li-Chiun Lin ◽  
Gwo-Ruey Yu ◽  
Yung-Ruei Chang
Keyword(s):  
Digital Control ◽  
Reactive Power ◽  
Phase Inverter ◽  
Active And Reactive Power ◽  
Power Injection ◽  
Three Phase ◽  
Three Phase Inverter
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