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31. Active Disturbance Rejection Control Applied to a Three-Phase Grid-Connected Photovoltaic System
Year: 2022, Volume: 22, Number: 1
... weaknesses with respect to internal system disturbances. wind, these production plants can participate in the To avoid problems related to non-linearities and internal secondary regulation of the network frequency, or even in disturbances in systems, non-linear control methods are the primary regulation, thanks to the reliability of current widely used such as sliding mode control ...
Year: 2022, Volume: 22, Number: 1
... Volume 22, Number 1, 2022 Step towards Enriching Frequency Support from Wind-Driven Permanent-Magnet Synchronous Generator for Power System ... system stability. For comparison, simultaneous control of the power-frequency droop control and against sudden changes in system demand ... respectively, subject to the load beneficial for improving the second-frequency nadir. The disturbance. system frequency does not ...
Year: 2022, Volume: 22, Number: 1
... 43], the image f(x ,y) is represented in the frequency domain DRLBP as F(u ,v). Using the filter transfer ... or not. Digital images have applications in almost every field of Noise is a high-frequency content of an image. Based on life, such as the World Wide ...
Year: 2022, Volume: 22, Number: 1
... K-L coordinate system, where all switching A reference vector consists of three sine waves of equal vectors are in integer form. Therefore, the number of amplitude and frequency, which are phase-shifted by 120o. It bits required for the switching vector representation is generated by utilizing the sinewave generator from the in fixed-point format is much ...
Year: 2022, Volume: 22, Number: 1
... study and our The concept of the Internet of Things (IoT) was first motivation and contribution. Section 3 contains our material proposed with the rise of radio frequency identification and methods, while Section 4 describes the security analysis (RFID) technology in 1999 [1]. IoT allows communication of our proposed protocol. ...
Year: 2022, Volume: 22, Number: 1
... PLL control is shown in Fig. 3. In this figure, fe denotes the grid Figure 4. Vector diagrams of the grid side and generator side converters frequency. Q component of the stator voltage is given as follows: Control loops in the GeSC and GrSC are cascaded. The Vqs € €Vs sin € i ...
Year: 2021, Volume: 21, Number: 4
... stress on outer second harmonic (600 Hz) reduces by 12.9% in SS- stator poles DSSRM. This figure concludes that the shift in the surfaces reduces low-frequency torque ripples. Fig. 15 and Table IV IV. INFLUENCE OF SURFACE SHIFT ON PERFORMANCE envisage that SS-DSSRM is best suited for the reduction in The previous ...
Year: 2021, Volume: 21, Number: 4
... Magnet remanence (T) Br 1.08 24S22P FSCWs needs 80 and 160 turns per phase, whereas Stator line current density(A /m) Ac 50000 Supply frequency f 146.67 the proposed FSCW requires 90, and 170 turns per phase. The winding functions are drawn in Fig. 3 (a) and (b ...
Year: 2021, Volume: 21, Number: 4
... for medical examination segments according to their frequencies. Lower frequency and robot-assisted surgeries. Moreover, the same method ... Two €“ stage CS 0.9121 wavelet tree decomposition structure and high-frequency mTV 0.9182 coefficients, the remaining data (low-frequency ... ) are Proposed 0.9199 converted into sparse to fulfill data recovery conditions [20]. Heart Image CS 0.8473 ...
Year: 2021, Volume: 21, Number: 4
... . This is an The rejection rate is directly affected by the chosen undesired situation, so a compromising solution is scenario for VMs' allocation per TZ and the frequency of necessary. failures due to malicious attacks. Fig. 5 shows the average rejection rate per time slot in high, and low traffic load, expressed ...
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