Premeditated generic energy storage model for sources rating selection in grid applications

Aharon, Ilan; Shmaryahu, Aaron; Sitbon, Moshe; Dagan, Kfir Jack; Baimel, Dmitry; Amar, Nissim

doi:10.1016/j.ijepes.2024.109837

Cited by 2 publications

(5 citation statements)

References 34 publications

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“…By employing Equation ( 5), the minimal critical inductance was found to be L critical = 498 µH; thus, the actual inductance was determined to be L = 120 µH. The output ripple voltage was set to 5%; according to Equation (12), the output capacitors were set to C = 470 µF (each) to satisfy the required output ripple voltage and the hold-up demand. Applying Equation (7), the duty ratio is revealed where d 1.buck = 0.2 for the buck mode and d 1,boost = 0.51 for the boost mode.…”

Section: Simulation and Experimental Resultsmentioning

confidence: 99%

“…The penetration of stochastic renewable sources into the electrical grid [12] requires energy backup support utilized by storage systems. Batteries are among the most appropriate storage technologies due to their energy density, volumetric density, fast response time, availability, and installation simplicity near the power generation plant and at the distribution consumption location [13].…”

Section: Introductionmentioning

confidence: 99%

“…Therefore, the UTPR overall efficiency is higher, and the component count is lower than in a similar traditional system. The UTPR is relevant to applications such as EVs [22], battery storage systems [12], inverters [23] or multi-level inverters [24], and front-end rectifiers [25]. First, the principles of operation and circuit analytics are introduced.…”

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confidence: 99%

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Modeling and Experimental Validation of Broad Input-Output Range Three-Voltage-Level Rectifier

Oren,

Dahan,

Shmaryahu

et al. 2024

Inventions

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A new type of single–conversion–step wide–input–range versatile step–up/down three–voltage–level power–factor correction stage is presented in this manuscript. The rectifier can operate both in continuous–conduction mode and discontinuous–conduction mode. First, the rectifier’s principle of operation is described, and then the innovative rectifier is analyzed in continuous and discontinuous–conduction modes. After, an average model for the innovative rectifier is developed. Lastly, the proposed theory is experimentally validated using a multiplier–less dual–control–loop mode at discontinuous–conduction modes. It is shown that although no multiplier is used in the control circuitry, the power factor is near unity. It is revealed that the rectifier can swing the output voltage from 50 V to 900 V while the input voltage is 230 Vrms. Although the rectifier output has a split DC bus with three voltage levels, the required control effort is low, and the output voltage is balanced. The innovative topology suits any standard power–factor correction rectifier application, dual–stage low–voltage power supply, and three–level voltage supplement for low–harmonic inverters. Since the rectifier’s output–voltage swing is extremely wide, energy storage systems and electric vehicle batteries are suitable applications.

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Section: Simulation and Experimental Resultsmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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Modeling and Experimental Validation of Broad Input-Output Range Three-Voltage-Level Rectifier

Oren,

Dahan,

Shmaryahu

et al. 2024

Inventions

Self Cite

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“…where the Is and the Io are the rms input and output current, respectively, Vs is the rms input voltage, L is the inductor value, Ts is the switching cycle period, d1 is the duty-cycle (ON time), C is the capacitor value, and R is the load resistance (ohmic). The UTPR output voltage state equation is unveiled in (15). It is important to note that the output of the voltage controller is not multiplied by the absolute value of the sinusoidal waveform as in standard rectifiers.…”

Section: Utpr Average Model and Control Approachmentioning

confidence: 99%

“…Therefore, the UTPR overall efficiency is higher, and the component count is lower than in a similar traditional system. The UTPR is relevant to applications such as EVs [14], battery storage systems [15], inverters [16,17], and front-end rectifiers [18]. First, the principles of operation and circuit analytics are introduced.…”

mentioning

confidence: 99%

Modeling, Simulation, and Experimental Validation of Broad Input Output Range Three Voltage Level Rectifier

Oren,

Dahan,

Shmaryahu

et al. 2024

Preprint

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A power factor correction (PFC) rectifier is compulsory for any electronic circuitry connected to the electrical grid. The majority of PFCs that are utilized are based on a step-up converter that supplies high DC voltage at its output terminal. Electric vehicle battery voltage varies from a few hundred to almost a thousand volts. Thus, an additional conversion step is obligatory when designing an all-brand universal charger. This paper presents a new type of front-end versatile step up / down three voltage level PFC. The rectifier can operate in continuous conduction mode or discontinuous conduction mode. First, the rectifier’s principle of operation is described, and then an innovative rectifier is analyzed for continuous and discontinuous conduction modes. Finally, the proposed theory is experimentally validated in a multiplier-less dual loop mode at discontinuous conduction modes. It was shown that although there is no multiplier use in the control circuitry, the power factor is near unity. It was revealed that the rectifier could swing the output voltage from 50 V to 900 V while the input voltage was 230 Vrms. The innovative topology suits any standard PFC rectifier, three-level voltage supplement, and dual-stage low-voltage power supply.

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Premeditated generic energy storage model for sources rating selection in grid applications

Cited by 2 publications

References 34 publications

Modeling and Experimental Validation of Broad Input-Output Range Three-Voltage-Level Rectifier

Modeling and Experimental Validation of Broad Input-Output Range Three-Voltage-Level Rectifier

Modeling, Simulation, and Experimental Validation of Broad Input Output Range Three Voltage Level Rectifier

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