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Ac Dc - Springer Nature

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Last Updated: 10 November 2022

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AC-DC Microgrid Analysis Using a Hybrid Real-Time HiL Approach

The paper discusses a hardware-in-the-loop simulation of the power flow control in an AC-DC microgrid. The Plecs RT Box 1 and dSpace MicroLabBox 1202, which include the AC-DC microgrid hardware system and control scheme, are used in a hybrid HiL system. Power flow control is achieved regardless of the load type and mode of operation by using the BIC.

Source link: https://doi.org/10.1007/978-981-19-2394-4_54


Real-Time Realization and Validation of LabVIEW-Based Automation Program for AC–DC Voltage and Current Measurements of AC Calibrators

To get a reliable and accurate measure of voltage or current, the measurement of such devices must be accurate and precise. Methodology for measuring AC/u2013DC transfer difference at low frequency using null or Budvosky methods is both laborious and time-consuming, since it requires gathering a large number of datasets for various frequencies, voltage, and current values and performing statistical analysis on them to eliminate confusion. The datasets are collected using data acquisition tools and then moved to an excel sheet for estimating uncertainty. The final report in excel is ready to print in a ready-to-print style, thanks to the application that was designed.

Source link: https://doi.org/10.1007/978-981-19-2468-2_13


Optimal operation and planning of hybrid AC/DC power systems using multi-objective grasshopper optimization algorithm

Optimal power flow in a hybrid alternating current and multi-terminal high-voltage direct current grid is now one of the most common optimization issues in modern power plants. The integration of eco-friendly renewable energy sources into the OPF problem is a crucial element of combating global warming and lowering generation costs. To find non-dominated Pareto-optimal solutions to the non-convex, nonlinear, and high-dimensional MO/AC-MTHVDC-OPF problem, a non-convex, nonlinear, and high-dimensional MO/AC-MTHVDC-OPF problem, a non-dominated grasshopper optimization algorithm is used. Comparison of results shows that MOGOA outperforms competitors in terms of the quality of Pareto-optimal solutions and their distribution.

Source link: https://doi.org/10.1007/s00521-022-07670-y


A New Single-Stage Single-Switch AC-DC PFC Topology

The flyback converter operates at full throttle, uses leakage inductance and high PF, moves the majority of the heat to the output storage capacitor, and moves the remaining power to the input storage capacitor. The input storage capacitor supplies the forward converter, which operates with low efficiency, converts all electricity to the output, and enforces output control. The conversion's peak current of the switch has been reduced from 8. 75 A to 5. 5 A, and the total efficiency has increased from 74 to 85% relative to the equivalent converter without NDPT at full throttle.

Source link: https://doi.org/10.1007/s40998-022-00567-5

* Please keep in mind that all text is summarized by machine, we do not bear any responsibility, and you should always check original source before taking any actions

* Please keep in mind that all text is summarized by machine, we do not bear any responsibility, and you should always check original source before taking any actions