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Profil Peneliti Web Sains
Recent Research Work: A detail Review
Therefore, the direct current relationship of the capacitor voltages and currents is adjusted individually (Suresh and Panda, 2012). The utility side and direct current link voltage parameters of the inverter were smoothed by ANN, proportional integral controller and fuzzy logic (FLC). The DC link voltage level of the multilevel inverter was improved throughout the operation to achieve the preferred power for the distribution point through the designed method.
The control method reduces the consequence of loop interaction in separate DC link voltage control loop in a 2 input and 2 output system. The system has some problems, such as complex control method to balance the voltage of the DC link capacitor, rapid development in the number of clamping diodes by increasing the number of levels.
Proposed NBO-RENN method Based Power Quality Improvement of SG
The advantages of the method are self-balancing properties without feedback control, isolated DC link, voltage and capacitors in the main DC link are the same. Here, where most of the moisture is given asnb*, the position of water gravity is given as. The layers in Recalling-enhanced RNN are sum layer, memory layer, delay layer, state layer, input layer, hidden layer and output layer.
The input layer accepts the input and also uses the result of the hidden layer (Gao et al, 2020). In the proposed system, pull-enhanced RNN is used to select the perfect system cost. Also, it determines the size of the previous sum of the output layer of the information that is transferred to the next layer.
In this the node accepts current input, output from memory layer and last recurrent hidden layer. This is used to create the new input, such as xq (xq,Hq1)T which is used to introduce the input layer. Furthermore, the output vector for the layer of sum as (Cq Cq1,Cq2,..,CqN), which is used to feed back to the memory layer.
Output layer: Each node represents the exact components of the output at the S nodes of the layer. Let (V1t,V2t,..,VNt)t rNare the weight vector, which is associated with the hidden node layer and Tthoutput. Then, it suddenly becomes the total matrix weight within the output and hidden layers which is,v[v1,v2,..,vS]NS. As we assume the activation function, the output layer should identify The linear function using the current output of RERNN is calculated.
System Description
The maximum value current generated through the cell is the short-circuit current and is obtained in the short-circuit condition. The maximum power point (MPP) is calculated based on the duty cycle of the switching transistor of the inverter. The main contribution of a boost converter is to convert and amplify solar energy.
D T (18) Here vo/p, vi/p are the DC input and output voltage, the time period of semiconductor switch is denoted as Ton, switching period of semiconductor switch is denoted as Tswit. The multilevel inverter performs power conversion at multiple voltage steps with the ultimate goal of achieving better power quality and greater voltage capacity. The two quadrant signals are obtained from the three phase original signal, which is described in eqn (15) and (16).
For the generation of the essential reference voltage and current, the current of the three-phase network is passed in the proposed method. The reference current, grid voltage and current are converted from the reference frame of abc to dq, then the dq components (Kala and Arora, 2019) are passed through the proportional integral controller, which is tuned by the proposed method and gives the control signals. Total current harmonic distortion (TIHD) and total voltage harmonic distortion (TVHD) are used to determine the harmonic performance of the bus system.
The ratio of the sum of the power of all harmonic voltage components to the power of the fundamental frequency of the voltage is called TVHD. Here, TVHD indicates net voltage harmonic distortion, TIHD indicates net current harmonic distortion, vfrms indicates voltage fundamental frequency, ifrms indicates current fundamental frequency, vrms indicates harmonic voltage component, irms indicates harmonic current component.
Results and Discussion
The maximum photovoltaic power obtained is 200 kW and is obtained in 0.4 sec that the power is supplied to the grid. Power failure occurs in 0.0 to 0.4 sec and after 0.4 sec, the load is used by the utility grid and additional power is provided to the grid. THD is a measure of how much distortion of a voltage or current is achieved due to harmonics in the signal.
It has been concluded from the analysis that the proposed approximation-based voltage THD is less compared to existing methods. It has been concluded from the analysis that the proposed method-based current THD is less compared to existing methods.
Conclusion
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Cybernetics and Systems
SJR is a size-independent prestige indicator that ranks journals according to their 'average prestige per Article'. SJR is a measure of scientific impact of journals that takes into account both the number of citations received by a journal and the importance or prestige of the journals from which such citations originate. It measures the scientific influence of the average article in a journal it expresses how central to the global. This indicator counts the number of citations received by documents from a journal and divides them by the total number of documents published in that journal.
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Evolution of the total number of citations per document and external citations per document (i.e. self-citations removed from journals) received by a journal's published papers during the previous three years. External citations are calculated by subtracting the number of self-citations from the total number of citations the papers receive from the journal. International Collaboration accounts for the articles produced by researchers from different countries.
The chart shows the ratio of a journal's papers signed by researchers from more than one country; that includes more than one country address. Not every article in a journal is considered primary research and therefore "citable", this graph shows the ratio of a journal's articles including substantial research (research articles, conference papers, and reviews) in three-year windows versus the ratio of articles of a journals, grouped in three-year windows, that have been cited at least once against.
