In this paper, a novel dual closed-loop repetitive control strategy based on grid current feedback is proposed for single-phase grid-connected inverters with LCL filters. The proportional-integral inner loop is stabilized by using an inherent one-beat delay achieved by digital controller.
Secondly, using the pole configuration method, the parameters of the double closed-loop PI can be obtained. Finally, the model is built by SIMULINK. The simulation results verify that the dual-loop control can improve and improve the steady-state performance and dynamic performance of single-phase inverter power supply.
In this paper the design of synchronous frame DQ control based double loop control for single phase inverter in distributed generation system is proposed. For synchronous frame control, the orthogonal signal is generated by second order generalized integrator method.
By establishing the mathematical model of the single-phase inverter, the current inner loop control can obtain rapid dynamic performance, and the voltage outer loop control can improve the steady-state performance of the system. Secondly, using the pole configuration method, the parameters of the double closed-loop PI can be obtained.
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Abstract: The instantaneous output power of a two-stage single-phase inverter pulsates at twice the output voltage frequency (2 f o), which results in a large amount of …
In conclusion, the dual-loop plus time-delay hybrid control strategy offers a significant advancement for single phase inverter performance. By integrating a Posicast …
A solid-state transformer (SST) is a high-frequency power electronic converter that is used as a distribution power transformer. A common three-stage configuration of an SST …
The output characteristics of a single-phase inverter with voltage and current dual closed-loop feedback control are analyzed, and the equivalent circuit model of a parallel single …
A single-phase inverter is a power supply device that converts direct current into single-phase alternating current. Since the feedback information of the inverter is AC …
In this paper, a novel dual closed-loop repetitive control strategy based on grid current feedback is proposed for single-phase grid-connected inverters with LCL filters. The …
This paper presents a double-closed-loop PWM design and control method for single-phase inverter current inner loop and voltage outer loop. By establishing the …
Abstract—The dual-loop control strategy in hybrid reference frame (HRF) for single-phase voltage source inverters (VSIs) in islanded operation mode is studied, which applies a capacitor …
In this letter, a simplified single current loop control scheme for single-phase dual-boost inverter has been developed, combining half cycle modulation and virtual-vector (VV) …
Abstract. Though there are many strategies to control single-phase uninterruptible power supply (UPS) inverters, they suffer from some drawbacks, the main being complexity. …
Description This reference design implements single-phase inverter (DC/AC) control using a C2000TM microcontroller (MCU). The design supports two modes of operation …
Abstract and Figures This letter proposes an adaptive Lyapunov-based control strategy for single-phase uninterruptible power supply (UPS) inverter with inherent dual control …
The Dual loop control with synchronous frame control for single phase inverter is analysed in the simulation. The inner loop in which capacitor current feedback provides …
Secondly, using thepoleconfigurationmethod,theparametersofthedoubleclosed-loopPIcanbe obtained nally,themodelisbuiltbySIMULINK.Thesimulationresultsverify that the …
This paper presents a multiple feedback-loop-control technique for a single-phase full-bridge PWM inverter with output LC filter. The main challenge for an Uninterruptible Power Supply …
In this chapter, an adaptive Lyapunov-based control scheme is proposed for a single-phase UPS inverter, which not only has inherent dual control loops to ensure better …
Research on Single-Phase Inverter Dual Loop Control Technology with Feed-Forward Compensation Abstract: A new approach of dual closed-loop control strategy is proposed, and …
This letter proposes an adaptive Lyapunov-based control strategy for a single-phase uninterruptible power supply inverter with inherent dual control loops. The control law is …
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