Results 31 to 40 of about 261 (94)
DC microgrids have been quite popular in recent times. The operational challenges like control and energy management of the renewable‐driven standalone DC microgrids have been an interest of research. This paper presents a bidirectional quasi Z‐source DC‐DC converter (BQZSDC).
Santhoshkumar Battula +3 more
wiley +1 more source
In this paper, two (series and parallel versions) quasi Z source inverter (qZSI)‐based multioutput series‐parallel topologies capable of supplying multiple three‐phase AC and single boost DC outputs simultaneously are presented. The proposed parallel version topology can supply n number of AC outputs along with one boost DC with constant voltage and ...
Shri Prakash Sonkar +3 more
wiley +1 more source
Quasi Z‐source inverter with switched‐capacitor‐inductor for enhancing boost factor
Abstract Two structures are proposed based on the quasi Z‐source inverter (qZSI), which can significantly raise the output voltage in applications, including photovoltaic and fuel cells, in which the input voltage is low. The proposed inverters provide a continuous input current and reduce the voltage stress on capacitor. Besides, the proposed switched‐
Jamal Abbasi Bolaghi +3 more
wiley +1 more source
Design and Development of Grid-connected Quasi-Z-Source PV Inverter [PDF]
An inverter system applied with the PV source typically has a problem of lower input voltage due to constraint in the PV strings connection. As a countermeasure a DC-DC boost converter is placed in between to achieve a higher voltage at the inverter DC ...
Azri, Maaspaliza +4 more
core +2 more sources
This paper proposes a discrete-time sliding mode (DTSM) controller designed for dc-link voltage control for quasi-Z source inverter (q-ZSI) employed in a 3-phase grid-tied photovoltaic system. The dc-link voltage control of q-ZSI offers non-minimum phase
Piyush B. Miyani +4 more
doaj +1 more source
Optimized Harmonic Reduction PWM based Control Technique for Three-Phase quasi Z-Source Inverter [PDF]
This paper proposes an optimized harmonic reduction pulse width modulation (HRPWM) control strategy for three-phase quasi Z-source inverter (qZSI). In traditional sinusoidal or space vector pulse width modulation techniques, the flexibility in adjustment
Gayen, Pritam Kumar, Sadhukhan, Archak
core +3 more sources
Switched-Inductor Extended-Boost Quasi-Z-Source Inverter
This paper introduces two novel impedance source inverter topologies for switched-inductor extended-boost quasi-Z-source inverters: diode-assisted and capacitor-assisted switched-inductor extended-boost quasi-Z-source inverters.
Abhishek Paikray +2 more
doaj +1 more source
Asymmetrical six-phase induction motor drives based on Z-Source inverters: modulation, design, fault detection and tolerance [PDF]
Multiphase machines are becoming one of the mainstream research topics during the last decade, especially in high-reliability based systems. Among the different configurations of the multiphase machines, Asymmetrical Six-Phase Induction Motor (ASPIM ...
Dabour, Sherif M. +2 more
core +1 more source
This paper examines the influence of parasitic components on voltage gain degradation and, by employing a non‐ideal impedance source inverter model, computes the voltage and current relationships of all elements. The requisite duty cycle to offset the voltage sag can be ascertained once the voltage drop is quantified.
Mohsen Hasan Babayi Nozadian +2 more
wiley +1 more source
Improved Step‐Up Z‐Source Inverter Based on Symmetric Switched Capacitor and Inductor
This paper introduces a novel Z‐source inverter topology with a capacitor‐assisted inductor network, achieving higher voltage gain and reduced capacitor voltage stress compared to conventional Z‐source inverters. By replacing the diode with a capacitor, it enables multiple operational modes and enhanced voltage gain, supported by steady‐state analysis,
Masoumeh Gholami +2 more
wiley +1 more source

