Improved Y-source inverter for distributed power generation

Forouzesh, Mojtaba; Baghramian, Alfred; Salavati, Nastaran

doi:10.1109/iraniancee.2015.7146488

Cited by 12 publications

(4 citation statements)

References 11 publications

(12 reference statements)

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“…Typical Used Power Applications Z-Source 10 kHz 15 kW (maximum output power) Electric vehicles [38] 125 kW (maximum output power) Photovoltaic and Grid systems [39] 12 kHz 4.5 kW (rated power) Wind Turbines [40] Quasi-Z-Source 100 kHz 10.6 kW (maximum output power) Electric vehicles [41] 20 kHz 300 W (rated power) Hybrid electric vehicles [42] 10 kHz 2.6 kW (rated power) Photovoltaic and Grid systems [43] Embedded Z-Source 7 kHz 6 kW (maximum output power) Photovoltaic and Grid systems [44] Embedded Quasi-Z-Source 10 kHz 375 W (maximum output power) Photovoltaic [32] Trans-Z-Source 20 kHz 6 kW (rated power) Photovoltaic, fuel cell and Grid system [45] Y-Source 20 kHz 2 kW (maximum output power) Electric vehicle [46] 10 kHz 18.25 kW (maximum output power) Photovoltaic [47] Γ-Z-source 10 kHz 3 kW (maximum output power) Photovoltaic and Grid systems [48] LCCT-Z-source 20 kHz 4.5 kW (rated power) Permanent magnet synchronous generators [18] 3. Z-Source Inverters for EV Applications…”

Section: Frequencymentioning

confidence: 99%

Comprehensive Review on Main Topologies of Impedance Source Inverter Used in Electric Vehicle Applications

Mande

Trovão

2020

WEVJ

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Power electronics play a fundamental role for electric transportation, renewable energy conversion and many other industrial applications. They have the ability to help achieve high efficiency and performance in power systems. However, traditional inverters such as voltage source and current source inverters present some limitations. Consequently, many research efforts have been focused on developing new power electronics converters suitable for many applications. Compared with the conventional two-stage inverter, Z-source inverter (ZSI) is a single-stage converter with lower design cost and high efficiency. It is a power electronics circuit of which the function is to convert DC input voltage to a symmetrical AC output voltage of desired magnitude and frequency. Recently, ZSIs have been widely used as a replacement for conventional two-stage inverters in the distributed generation systems. Several modifications have been carried out on ZSI to improve its performance and efficiency. This paper reviews the-state-of-art impedance source inverter main topologies and points out their applications for multisource electric vehicles. A concise review of main existing topologies is presented. The basic structural differences, advantages and limitations of each topology are illustrated. From this state-of-the-art review of impedance source inverters, the embedded quasi-Z-source inverter presents one of the promising architectures which can be used in multisource electric vehicles, with better performance and reliability. The utilization of this new topology will open the door to several development axes, with great impact on electric vehicles (EVs).

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Section: Frequencymentioning

confidence: 99%

Comprehensive Review on Main Topologies of Impedance Source Inverter Used in Electric Vehicle Applications

Mande

Trovão

2020

WEVJ

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“…These features have also made the proposed E‐qYSI different from the improved YSI (iYSI) shown in Fig. 3 [19, 23], even though they use the same components and draw comparable continuous input currents. Their specific differences have been studied in a later section.…”

Section: Operational Characteristicsmentioning

confidence: 99%

Extended quasi‐Y‐source inverter with suppressed inrush and leakage effects

Liu

et al. 2019

IET Power Electronics

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The Y-source inverter uses different turns ratios of a coupled inductor and a controllable duty ratio to vary its gain. However, its input current is discontinuous, and any leakage inductances of its coupled inductor will lead to unintentional dc-link voltage spikes and gain reduction. To solve these problems, an extended quasi-Y-source inverter has been proposed in this study, which compared with the Y-source inverter, uses an extra inductor and an extra capacitor. Although the extras may not appear attractive, they have successfully helped with the suppression of leakage effects, which decrease the voltage spikes, and hence permit the main magnetic core size to be much smaller. Concurrently, the continuous input current can be also achieved. Besides, inrush current at startup has been reduced to a more acceptable value, which together with other features of the proposed inverter, have been proven through experiments.

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“…Among the applications in which the qYSI inverter can be used are microgrids and uninterruptible power supplies (UPS), with multi-level output and also a fixed frequency when connected to the grid under conditions of continuous load change, as shown in Fig . 6 [12][13][14][15][16].…”

Section: Introductionmentioning

confidence: 99%

High Robust Control Model of High Step Up Three Phase Y Source Inverters based on Model Predictive Control

Ismeil¹,

Orabi

Abdelaal

2023

SVU-International Journal of Engineering Sciences and Applicati

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Considering the spread spectrum problem of finite-control-set model predictive control (FCS-MPC), a Model predictive control technique for the quasi Y-Source Inverter with RL load to enhance the following effectiveness of the tracking efficiency by using the cost function. The controller achieves optimal voltage vector by minimizing the errors in one cost function, the weighting factor for each absolute error has been used, the system has been tested under dynamic load change, and fast response has been achieved using FCS-MPC for the output load current. Moreover, the controller maintains capacitor voltage to be constant with no minimum value over/under-shoot. The MPC model has been created and then the whole system has been validated under MPC based on MATLAB SIMULINK Software. The results of output currents, capacitors voltages, and inductor current have been presented and detailed discussed The results show how fast the MPC is in tracking the reference signal.

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Improved Y-source inverter for distributed power generation

Cited by 12 publications

References 11 publications

Comprehensive Review on Main Topologies of Impedance Source Inverter Used in Electric Vehicle Applications

Comprehensive Review on Main Topologies of Impedance Source Inverter Used in Electric Vehicle Applications

Extended quasi‐Y‐source inverter with suppressed inrush and leakage effects

High Robust Control Model of High Step Up Three Phase Y Source Inverters based on Model Predictive Control

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