ERROR ELIMINATION FOR CURRENT CONTROL LOOP FOR MULTI-FUNCTIONAL SINGLE-PHASE GRID-CONNECTED INVERTER

Purpose. Elimination of the error of the inverter current control loop by improving its structure and justifying the parameters, which will ensure compliance with the current quality standard at the common coupling to the distribution grid of the load and the multi-functional grid inverter at the ou...

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Autores principales:	О. О Shavelkin, V. V. Kaplun, I. O. Shvedchykova
Formato:	article
Lenguaje:	EN RU UK
Publicado:	National Technical University "Kharkiv Polytechnic Institute" 2019
Materias:	multi-functional single-phase grid-connected inverter nonlinear load PWM current control loop current error compensation THD simulation Electrical engineering. Electronics. Nuclear engineering TK1-9971
Acceso en línea:	https://doaj.org/article/d2bb5b3151b840e581c0a9787e18032a
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spelling	oai:doaj.org-article:d2bb5b3151b840e581c0a9787e18032a2021-12-02T15:30:39ZERROR ELIMINATION FOR CURRENT CONTROL LOOP FOR MULTI-FUNCTIONAL SINGLE-PHASE GRID-CONNECTED INVERTER10.20998/2074-272X.2019.4.052074-272X2309-3404https://doaj.org/article/d2bb5b3151b840e581c0a9787e18032a2019-08-01T00:00:00Zhttp://eie.khpi.edu.ua/article/view/2074-272X.2019.4.05/176016https://doaj.org/toc/2074-272Xhttps://doaj.org/toc/2309-3404Purpose. Elimination of the error of the inverter current control loop by improving its structure and justifying the parameters, which will ensure compliance with the current quality standard at the common coupling to the distribution grid of the load and the multi-functional grid inverter at the output of the renewable source of electrical energy. Methodology. Synthesis of structure of current control loop based on analysis of processes in electrical circuits and computer simulation. Results. Relationships for determining the input voltage of the inverter, reactor inductance and modulation frequency in accordance with the grid voltage, the maximum values of the inverter current and the amplitude of its ripple when combining the function of the active power filter. Dependencies of the amplitude of the pulsations of the output current of the inverter and the errors in the fundamental harmonic in accordance with the voltage at the input of the inverter, the modulation frequency and inductance of the output reactor are obtained. Originality. The structure of the inverter current control loop has been improved with a combination of proportional, integrating and differentiating links, and their parameters have been determined to ensure compensation of the disturbing action on input of the reference and compensation of the error of current from the disturbing action of the grid voltage regardless of its value. Practical value. The obtained solutions are the basis for the design of converters of electric power systems with renewable sources of electricity with improved energy efficiency. О. О ShavelkinV. V. KaplunI. O. ShvedchykovaNational Technical University "Kharkiv Polytechnic Institute"articlemulti-functional single-phase grid-connected inverternonlinear loadPWMcurrent control loopcurrent error compensationTHDsimulationElectrical engineering. Electronics. Nuclear engineeringTK1-9971ENRUUKElectrical engineering & Electromechanics, Iss 4, Pp 35-40 (2019)
institution	DOAJ
collection	DOAJ
language	EN RU UK
topic	multi-functional single-phase grid-connected inverter nonlinear load PWM current control loop current error compensation THD simulation Electrical engineering. Electronics. Nuclear engineering TK1-9971
spellingShingle	multi-functional single-phase grid-connected inverter nonlinear load PWM current control loop current error compensation THD simulation Electrical engineering. Electronics. Nuclear engineering TK1-9971 О. О Shavelkin V. V. Kaplun I. O. Shvedchykova ERROR ELIMINATION FOR CURRENT CONTROL LOOP FOR MULTI-FUNCTIONAL SINGLE-PHASE GRID-CONNECTED INVERTER
description	Purpose. Elimination of the error of the inverter current control loop by improving its structure and justifying the parameters, which will ensure compliance with the current quality standard at the common coupling to the distribution grid of the load and the multi-functional grid inverter at the output of the renewable source of electrical energy. Methodology. Synthesis of structure of current control loop based on analysis of processes in electrical circuits and computer simulation. Results. Relationships for determining the input voltage of the inverter, reactor inductance and modulation frequency in accordance with the grid voltage, the maximum values of the inverter current and the amplitude of its ripple when combining the function of the active power filter. Dependencies of the amplitude of the pulsations of the output current of the inverter and the errors in the fundamental harmonic in accordance with the voltage at the input of the inverter, the modulation frequency and inductance of the output reactor are obtained. Originality. The structure of the inverter current control loop has been improved with a combination of proportional, integrating and differentiating links, and their parameters have been determined to ensure compensation of the disturbing action on input of the reference and compensation of the error of current from the disturbing action of the grid voltage regardless of its value. Practical value. The obtained solutions are the basis for the design of converters of electric power systems with renewable sources of electricity with improved energy efficiency.
format	article
author	О. О Shavelkin V. V. Kaplun I. O. Shvedchykova
author_facet	О. О Shavelkin V. V. Kaplun I. O. Shvedchykova
author_sort	О. О Shavelkin
title	ERROR ELIMINATION FOR CURRENT CONTROL LOOP FOR MULTI-FUNCTIONAL SINGLE-PHASE GRID-CONNECTED INVERTER
title_short	ERROR ELIMINATION FOR CURRENT CONTROL LOOP FOR MULTI-FUNCTIONAL SINGLE-PHASE GRID-CONNECTED INVERTER
title_full	ERROR ELIMINATION FOR CURRENT CONTROL LOOP FOR MULTI-FUNCTIONAL SINGLE-PHASE GRID-CONNECTED INVERTER
title_fullStr	ERROR ELIMINATION FOR CURRENT CONTROL LOOP FOR MULTI-FUNCTIONAL SINGLE-PHASE GRID-CONNECTED INVERTER
title_full_unstemmed	ERROR ELIMINATION FOR CURRENT CONTROL LOOP FOR MULTI-FUNCTIONAL SINGLE-PHASE GRID-CONNECTED INVERTER
title_sort	error elimination for current control loop for multi-functional single-phase grid-connected inverter
publisher	National Technical University "Kharkiv Polytechnic Institute"
publishDate	2019
url	https://doaj.org/article/d2bb5b3151b840e581c0a9787e18032a
work_keys_str_mv	AT ooshavelkin erroreliminationforcurrentcontrolloopformultifunctionalsinglephasegridconnectedinverter AT vvkaplun erroreliminationforcurrentcontrolloopformultifunctionalsinglephasegridconnectedinverter AT ioshvedchykova erroreliminationforcurrentcontrolloopformultifunctionalsinglephasegridconnectedinverter
_version_	1718387172026875904

ERROR ELIMINATION FOR CURRENT CONTROL LOOP FOR MULTI-FUNCTIONAL SINGLE-PHASE GRID-CONNECTED INVERTER

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