This paper proposes an interleaved hybrid converter (IHC) with simultaneous dc and ac outputs for microgrid applications. The IHC is realized by interleaving two conventional boost converters replacing the active switch of lower H-bridge voltage source inverter. arrangement enables proposed to operate at condition where sum duty ratio (D) modulation index (M) can be more than or equal one, i.e., D + M ≥ 1, unlike converters. capable giving high gain improved reduced harmonic distortion. Due...

This paper presents three-phase switched-boost-modified Z-source inverter (ZSI) topologies with improved boost capabilities. In the proposed ZSIs, voltage gain is increased significantly by adding one auxiliary switch and diode without using additional passive components. The concept applied to traditional ZSI, discontinuous input current quasi-ZSI (DC-qZSI), continuous qZSI (CC-qZSI) resulting into three new topologies: switched-boost DC-qZSI, CC-qZSI. Anatomization of operating principle,...

Two novels switched Z-source inverters (ZSI) based on the active capacitor with high voltage conversion ratio are presented. These capacitor-based assisted extended boost ZSI and diode ZSI. High gain is required in various applications such as electric vehicles, grid integration of renewable energy sources, etc. The conventional ZSIs limited these has at a duty cycle, which results poor inversion efficiency. In this work, only one additional switch used to achieve without adding any passive...

ABSTRACT This paper presents hybrid quasi‐Z‐source converters (qZSCs) designed for integrated energy system‐based microgrid applications, capable of providing dual‐DC and multi‐AC outputs from a single DC input source. Microgrids rely on diverse renewable sources such as solar effective power are crucial integrating these resources into the grid. The proposed incorporate series parallel‐configured inverters, facilitating both boost buck‐boost operations simultaneously with an additional...

In this study, two quadratic boost derived hybrid multi‐output converter topologies are proposed. The proposed converters capable of giving n ‐number simultaneous ac and one dc outputs. developed from a single switch by replacing its main either series connected H‐bridge or parallel inverter topologies. ‐series inverters give mode the is outputs with variable voltages same currents (to all loads) along output. Further, ‐parallel can Due to behaviour converters, high voltage gain be achieved...

The DC-DC converters are the essential modules in electric vehicles, grid interface of renewable energy sources and DC power supplies. This paper presents a novel high gain bidirectional switched Z-source converter. proposed converter utilizes switched-capacitor concept with inductors for voltage gain. wide operating range operation both boost buck mode operation. has common ground between input output, uses only 5 active switches 4 passive elements reduce switch stress. current drawn from...

This article presents two hybrid multioutput buck-boost quasi-Z-source converters (q-ZSCs) capable of giving dc and one ac outputs simultaneously from a single input. One the proposed q-ZSCs have both buck boost capabilities other output has property boosting input voltage, thereby wide range voltage gain for outputs. The rationale behind proposing variants is to more flexibility on gains as per load requirements. are derived concept hence inherit all properties q-ZSI, which realize...

Recently, switched‐inductor Z‐source inverters (SL‐ZSIs) have been reported to achieve high‐voltage gain and good power inversion operation at low shoot‐through duty ratio D as compared conventional ZSI. As the SL‐ZSIs high passive component count, weight, volume losses of system increases that lead reduction in efficiency. To address issues ZSI SL‐ZSIs, two single‐phase switched LC (SLC)‐ZSIs (Type 1 SLC‐ZSI Type 2 SLC‐ZSI) are proposed this study gains values with lower count SL‐ZSIs. At ,...

In this paper, a non-isolated bidirectional quadratic converter is proposed for wide conversion ratio. This work as boost well buck in the same single converter. Due to its broad range both ways, it can be easily suitable applications like UPS, HEV, battery charging, etc. For high ratio, needs operate at an extreme duty cycle achieve highest possible gain. activity leads severe reverse recovery of diodes, increases EMI, increase losses and decrease efficiency. low lowest gain but minimum...

This study presents a high voltage gain embedded dual switched-capacitor-based continuous input current impedance source inverter for renewable energy applications. Renewable resources have low-output generation capability, and the converter needs to operate on extreme duty cycle requirements. To achieve gain, conventional cycle, which leads reduction in modulation index. Operating at reduced value of index poor inversion operation with output power quality. In order take care this issue, an...

High voltage conversion ratio converter is required in broad range of applications such as microgrid, hybrid electrical vehicles, telecommunication and medical equipments. The control-to-output transfer function a conventional quadratic boost reveals that right half plane (RHP) zero exist, which makes the controller design difficult. device has to operate on extremely high duty cycle (to get conversion) this leads severe reverse recovery problem increases EMI. In paper, modular magnetically...

In this paper, a minimum phase hybrid coupled inductor quadratic boost inverter (QBI) is proposed for DC microgrid applications. Microsources such as solar photovoltaic (PV), fuel cell, wind power, etc. are low voltage generation sources and to meet out the grid requirement high gain converter required. Most of buck-boost drive inverters found in literature have right half plane (RHP) zero problems (i.e. non-minimum system) operating range limited 0.5 duty cycle. With control-to-output...

This paper presents two novel topologies of active switched-capacitor based diode assisted and capacitor extended single-phase Z-source inverter (ZSI) for high voltage gain. The boost factor the classical ZSI/quasi-ZSI is limited because operating condition that summation modulation index (M) shoot-through duty cycle (D) less than or equal to unity simple control. Thus, achieve higher boost, a value D required which leads lower M. Lower M poor inversion operation at fundamental power...

The conventional converter needs to be operated at a high duty cycle achieve maximum possible voltage gain. This leads severe reverse recovery of switches, increases losses, and reduces efficiency. study presents modified switched-capacitor-based gain continuous input current quasi-Z-source (qZSC) for DC microgrid applications. proposed utilises the embedded switched-capacitor techniques can give with low ratio compared converters. also experiences less capacitor inductor stresses Z-source...

The electric vehicle requires bidirectional DC-DC converter. A high conversion ratio is preferred to interface a low input battery voltage the DC and vice-versa. novel gain switched converter proposed in this paper. uses interleaved technique side so that current stress reduced also ripple reduced. gives wide has common ground so, suitable for vehicle/hybrid application. steady-state operation, analysis simulation verification are discussed. Finally, experimental carried out results presented.

In this paper a single-phase modified continuous input current switched boost inverter (SBI) is presented. The proposed version of SBI in which additional inductor and capacitor are with classical to obtain high voltage gain. Detailed comparative analysis (considering the voltage, stresses component counts) between other conventional impedance source inverters carried out highlight advantages inverter. Steady state topology simulation experimental verification discussed PWM paper....

A high gain embedded dual switched capacitor boost-based impedance source DC-DC converter is presented in this paper. The continuous input current based which uses fewer passive components, lower capacitors voltage stress to achieve and inherits all the properties of network. This suitable for batteries, photovoltaic, fuel cells microgrid applications where available low needs step up by a huge value. detailed analysis operating principle steady-state are discussed show advantages proposed...

This paper introduces a new magnetically coupled four-switches non-isolated bidirectional quadratic converter with damping network for wide voltage conversion ratio. Due to its broad range in both ways, it can be easily suitable the applications like hybrid electric vehicles (HEV), battery charging, uninterruptible power supplies (UPS), etc. Conventional when operated boost mode of operation suffers from right half plane (RHP) zero problems. Also, conventional cannot operate extremely high...

Various design techniques are available for cogging torque reduction of permanent magnet radial flux machines. Most them applicable axial Due to the manufacturing ease machine, additional freedom shaping can be exploited. To achieve torque, pole is varied from inner radius outer radius, which results a shape triangular magnet. In this paper, semi-analytical analysis field solution developed. The achieved by combining multi slice method and sub domain magnetic approach. Four different types...

This paper presents a single-phase high voltage gain quasi-switched boost Z-source inverter (qSBZSI). gives as compared to qZSI and (qSBI). The qSBZSI topology continuous input current, gain, capable of simultaneously ac dc output so, this is suitable for renewable energy applications. Detailed analysis power loss, extendable modified PWM techniques also discussed. A prototype based on TMS320F28335 DSP experimental kit designed verify the operation proposed inverter.

In this paper switched-inductor and switched-capacitor concept is used in order to obtain higher voltage gain with very low duty ratio. The classical Z-source inverters (ZSIs) gives achieve it needs operate at a high cycle, therefore, modulation index decreases which degrade the quality of output voltage. switched-inductor-capacitor applied ZSI, discontinuous input current quasi-ZSI (qZSI) continuous qZSI three different versions each are proposed paper. way, nine enhanced based ZSI...

This work presents four novel inverters having modified switched-inductor switched-capacitor technique for extended high voltage gain used in renewable energy applications. The proposed consist of switched-inductor-capacitor arrangements with an active switched capacitor inversion ability. give gain, lower switch stress. Therefore, are suitable various DC-DC and DC-AC power conversions solar photovoltaic or fuel cells applications where the available low input is to be converted into DC/AC...