This article proposes a novel single-phase bridgeless Cuk-derived power factor corrected (PFC) converter with reduced component count for on-board EV charging application. The unique feature of this proposal is to design and operate the output inductor in discontinuous current mode complete range attain PFC naturally at ac mains, thereby not requiring input voltage sensing, which reduces cost, improves density as well robustness high-frequency noise. control very simple operation easy...

This paper proposes a modified particle swarm optimization (MPSO) for fast convergence and harmonic minimization in three-phase eleven-level hybrid cascaded multilevel inverter (HC-MLI). Selective elimination pulsewidth modulation (SHE-PWM) technique implemented through MPSO has been used the proposed work synthesizing an output voltage using two dc sources, precharged capacitor, twelve switches. The switching angles of HC-MLI computed eliminating specified lower order odd harmonics such as...

This article proposes a modified grey wolf optimization (MGWO) which has improved rate of convergence and avoids local optima stagnation. is achieved by improving the exploration-exploitation balance in conventional (GWO). Moreover, use weighted-distance strategy allows quick identification global proposed MGWO. then applied for control three-phase, 11-level hybrid cascaded multilevel inverter (HC-MLI). Selective harmonic elimination pulsewidth modulation technique implemented through MGWO...

This paper presents a magnetically coupled feedback-clamped optimal bidirectional battery charger. The proposed charger acts as current source, i.e., in constant-current (CC) mode with controlled output case of deep discharge battery, and voltage constant-voltage (CV) for near-100% state charge. circuit is universal from the point view, can charge any given rating, adaptive optimum charging requirement viewpoint, adapt to current. presented solution uses converter topology. In order make...

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...

A novel two-stage standard battery charger having minimum switch count using a single controlled PWM signal is presented in this article for Electric Vehicle (EV) charging application. The first stage responsible AC to DC conversion with power factor correction (PFC) operation that consists of two switches and diodes. second DC-DC converter half bridge LLC resonant configuration along an isolation transformer. complete only four diodes, which among the reported literatures. Moreover, unlike...

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...

In photovoltaic (PV) generation systems, due to the high efficiency, compactness, and low costs, transformerless hybrid converters with ac dc outputs have become popular in recent times. However, common-mode leakage current occurs these when converter neutral point is grounded or it tied grid. The presence of causes considerable safety electromagnetic interference problem along improper operation devices. This paper proposes a capable give simultaneous reduced for PV system. order ensure all...

This paper proposes a compact reconfigurable on-board power converter for low voltage electric vehicle. The proposed serves the purpose of battery charger as well 3-phase source inverter (VSI) to drive traction motor. VSI is backbone this that can be either reconfigured propulsion unit or by adding few more electronics components. During charging mode, topology form front-end boost factor correction rectifier which cascaded DC-DC through DC link. same stage operate motor during mode. Thus,...

Excess volumes, VE, of the binary liquid systems methyl formate, ethyl propyl and benzyl acetate each with bromo-, chloro-, nitrobenzenes have been derived from experimental density measurements at (303.15, 308.15, 313.15) K atmospheric pressure over entire composition range. These excess volumes were fitted to Redlich–Kister polynomial equation derive coefficients standard errors. The for all found be negative across mole compositions.

A magnetically coupled boost (MCB) converter with the enhanced equivalent series resistance (ESR) of filter capacitor for DC microgrid applications has been presented in this study. The proposed MCB ESR uses only four state variables and exhibits a fourth‐order minimum phase behaviour because complete elimination right half plane zero. characteristic displaying makes design analysis simple. Closed‐loop operation photovoltaic input using maximum power point tracking carried out to verify its...

High-power-density bidirectional dc-dc converters consisting of buck-and-boost are extensively used in Electric Vehicles (EV)/Hybrid (HEV) due to their smaller size and low cost. But conventional converter has a right half plane (RHP) zero the open loop control output voltage transfer function boost mode operation. Due this RHP controller design is not simple for A modified non-isolated minimum phase DC-DC presented paper. The displays behavior complete exclusion zero. behavior, gives...

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 paper proposes an isolated DC-DC resonant converter integrated with solar PV panels using a particle swarm optimization (PSO) based maximum power point tracking (MPPT) algorithm for partial shading conditions (PSCs). In converters, electrolytic capacitors (ECs) are often used as smoothening filters, despite their vulnerability and unreliable operation. Also, the multi-peak characteristic caused by PSCs is one of prime challenges in efficient integration. To avoid these issues,...

Operations of power distribution systems with Distributed Energy Resources (DERs) can be managed in scalable manner advanced distributed control algorithms. algorithms utilizing digital controller also bring cyber vulnerabilities. In this work, a converter-inverter topology that utilize communication network and feedback-based Volt-Watt has been developed. Circuit the DER is verified both PSIM simulation software laboratory prototype shown. The paper presents multiple simulated attack...

In the modern point-of-load (POL) applications, a number of low- and medium-power converters are used very close to actual load. These applications require superior dynamic response better power processing density save space on motherboard. Hysteretic modulators one obvious choices for these because their with minimal filter capacitors. This paper presents new carrier (synthetic ripple based)-generation-based digital hysteretic modulator POL converters. The proposed structure creates...

A step-up interleaved dc-dc converter (IDC) operated in three different duty regions (0 ≤ D <; 0.5, 0.5 1, and 0 1) at a reduced number of elements is presented this article. The IDC capable giving voltage-gain characteristics the regions. have voltage current stresses because regions, which leads to cost-effective device selection according requirement particular application. Detailed mathematical modeling carried out Moreover, comparison made among reported converters terms component...