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Search results for: transformer
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Year: 2023, Volume: 23, Number: 3
... @discente.ufg.br 1 Abstract — In electrical systems, power transformer failure or even to estimate the date when a ... , Number 3, 2023 Electrical Evaluation of Oil-Immersed Power Transformers Based on Temporal Variations in Performance Index and Reliability ... procedure aimed at ensuring the represents a risk for the transformer's operation, will be uninterrupted delivery of electricity. ...
Year: 2023, Volume: 23, Number: 2
... with low total will be larger than input voltage and there is no need for the harmonic distortion (THD), reduced switch count, low boosting inductor or transformer [16-18]. However, the voltage stress across the switches, reduced number of driver number of switches required for boosting of voltage in circuits, less ...
13. Breakdown Probability, Reliability and Streamer Dynamics in Transformer Oil based Hybrid Nanofluid
Year: 2023, Volume: 23, Number: 2
... Volume 23, Number 2, 2023 Breakdown Probability, Reliability and Streamer Dynamics in Transformer Oil based Hybrid Nanofluid Mihir BHATT1, Praghnesh BHATT2 1 M&V Patel ... single NPs. The term "hybrid nanofluid reliable and less dangerous, extending the transformers' (HNF)" refers to a base fluid that has been changed ...
Year: 2023, Volume: 23, Number: 2
... across different scales for image dehazing. 22], [39-41]. Yang et al. [20] propose a two-stage network, consisting of a supervised transformer network [42] for In this paper, we propose a Structure-aware Heatmap and efficiently reducing the pose variance among the datasets, Boundary map Regression Network ( ...
Year: 2022, Volume: 22, Number: 4
... ]. In general, the output voltage of a transformer must be operating at its optimum resonant state photovoltaic ... Diode reverse recovery losses will be reduced by addition of transformers and voltage multipliers [1]. this. ... to integrate low-voltage inputs into traditional In isolated converters, transformer-based isolation is step-up converter configurations, which were previously ...
Year: 2022, Volume: 22, Number: 4
... power supply to the voltage regulator to (a) make the voltage continuously adjustable. Then the single- phase bridge rectifier circuit is connected after boosting through the transformer, and the energy storage capacitor is charged through the rectifier bridge. During the charging process, the trigger circuit does not work, so that the charging ...
Year: 2022, Volume: 22, Number: 3
... to 840 and the opto couplers are fed with DC power supplies rpm and oscillation between 847 rpm and 861 rpm and derived from separate 230 V/ 9 V transformers. The power oscillation is 0.7%. microcontroller is fed with a regulated 5 VDC power In the case of SMC-EMS, operational power is of 4880 W ...
Year: 2022, Volume: 22, Number: 3
... on transformers T A igrid dt (8) 0 is related to saturation. Transformer saturation is directly T related to the ratio of voltage to frequency (U ... of connecting IBDG to the network can be written as (8) and power transformers and also Current Transformers (CTs) (9 ), respectively. applied ...
19. Impact of Photovoltaic Systems Allocation on Congestion in Distribution Network: Iraq Case Study
Year: 2022, Volume: 22, Number: 2
... . PVDG power from AL-Waziriah power plant, Training and the Mashtal distribution network (feeder 14, from Energy Researches Office, Ministry of Electricity, Iraq, Baghdad transformer 3). Fig. 3 describes the residential load through (24-h) in a day (18/August/2021, in this case) in ...
20. Active Disturbance Rejection Control Applied to a Three-Phase Grid-Connected Photovoltaic System
Year: 2022, Volume: 22, Number: 1
... D maximum power point MPP. The grid is connected to the where, VPV and VDC are respectively the input and output inverter via a filter and a DY transformer whose secondary voltage. D is the duty cycle value located between 0 and 1. winding (high voltage) is connected to the grid. A filter ...
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