Abstract Hydrogen can be a promising option as an energy storage medium in renewable power generator‐based microgrid. However, the technologies used for hydrogen such high pressure gaseous form and solid storages significantly affect cost performance of hydrogen‐based In this study, techno‐economic assessment (metal hydride [MH])‐based microgrid Indian operating conditions has been carried out terms levelized electricity (LCOE), net present cost, avoided environmental emissions. microgrid,...

DC microgrid based on photovoltaic (PV, 500 W <sub xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink">P</sub> ) and fuel cell (FC, 1 kW) power generators have been designed to operate loads at different voltage levels (24 V, 48 V 110 V). The level in a decides the system efficiency, regulation total cost. efficiency is shown depend conversion mode (DCDC converter) ohmic loss (in connecting cables). used vary from 250 1000 according cable sizing required...

Abstract A 110 V DC system has been designed for photovoltaic and fuel cell generators to operate loads such as LED lights, fans, laptop, mobile phone charging in a microgrid. As the output characteristics of vary according operating conditions connected load, designing DC‐DC converter ensures that stable voltage is available load under varying input voltage. boost (with power 500 W) therefore fabricated generate widely (30‐85 V), which utilizes (750 W p ) proton exchange membrane (1 kW)...

The reliability of the microgrid supply is often relying on energy storage mediums used. Hydrogen considered as a long-term solution whereas battery provides for short-term. Fuel cell converts stored hydrogen into electricity. As these have low inertia in system, there can be excessive current stress devices, leading to degradation. Virtual improve behavior devices during load variation. These modeled virtual machines, and inertia-based provide delayed response Therefore, life improved. In...

The progress in computation power has motivated neural network based solutions a diverse area of study. Partial discharges (PD) detection is very old challenge for operators. An efficient time PD helps reliable supply to the cities and secure infrastructure. This paper proposes pattern analysis fault line using Long Short Term deep learning method Medium Voltage(MV) Overhead Covered Conductor(OCC). tested on real dataset provided by ENET centre VSB, which largest known available open source....

This study provides designing and techno-economic analysis of a low voltage (48 V) DC microgrid for domestic load application. In present microgrid, photovoltaic (PV) is considered as main power generator to deliver the demand while fuel cell (FC) battery are backup sources. To establish 48 V bus, suitable DC-DC converter having wide input range (22–65 designed stabilize variable output PV FC generators. The efficiency was found be ≈ 87%. A also carried out assess levelized cost electricity...

This paper deals with a switched boost inverter (SBI) applicable for solar photovoltaic system (PV) interfaced micro-grid. SBI is single stage power converter which can supply both dc and ac loads simultaneously suitable microgrid applications. The output voltage of be either greater or less than its input voltage. Also, this allows shoot-through the legs without causing any damage to converter. In paper, principle operation as conditioning unit in PV explained detail. MATLAB based...

An analytical model for lateral MOSFET that includes the effects of temperature variation in 4H- and 6H-SiC poly-type is presented this paper. The effect on threshold voltage, carrier mobility, body leakage current, drain source contact region resistances. device behavior 4H-SiC also simulated compared with material system.

Fly back converter is buck-boost derived isolated DC-DC converter. It interfaced with photo voltaic power generator to supply the multiple voltage loads in DC microgrid application. To regulate of higher output a feedback signal opto-coupler used whereas lower adjusted linear regulator. A simulation study performed using MATLAB simulink tool observe operational characteristics flyback prototype rating ≈ 100 W and 50 -100 V input also designed LM3481 controller. The has voltages such as 24 48...

For high power requirement in microgrid, the DC/DC converter based on phase-shift full bridge (PSFB) topology has strong application. The transformer circuit provides galvanic isolation as well voltage conversion-ratio capability. operating voltage-mode control, a proper control strategy is required which can provide better regulation of point-of-load for dynamic changes output side current and supply voltage. In present study, model predictive (MPC) PSFB unidirectional interface connected...

In an effort to completely transform the effectiveness and performance of DC-DC converters, this study investigates revolutionary possibilities wide bandgap devices (WBG) incorporated into hybrid switches. Although traditional semiconductor paralleling has shown be economical means increasing current capacity, but provide a challenge in high-frequency operations. Examining WBG technologies such as silicon carbide (SiC) gallium nitride (GaN), work aims create based switches that match...

In this paper, we discuss the application of a DC-DC boost converter control through Artificial Neural Networks (ANN). Traditionally, small-signal linearized model near operating point serves as basis for construction regular PI (proportional-integral) controller. As result, system's is altered, and controller performance during starting, load changes, or reference changes inadequate. By adhering to standard model, ANN trained using Levenberg-Marquardt (LM) Algorithm minimize error function....

Electric vehicles rely on energy storage systems i.e. batteries for reliable performance and extended driving range. However, the battery system degrades over time due to cyclic calendar aging, which can reduce its efficiency capacity. This lead high maintenance costs a decrease in vehicle performance. The deterioration aging be formulated as state of health. In this study, main emphasis is health-based power-sharing strategy among mediums. proposed approach provides an improvement...