A5038891712- Microgrid Control and Optimization
- Photovoltaic System Optimization Techniques
- Aluminum Alloys Composites Properties
- Aluminum Alloy Microstructure Properties
- Multilevel Inverters and Converters
- Metal and Thin Film Mechanics
- Corrosion Behavior and Inhibition
- Real-time simulation and control systems
- High-Temperature Coating Behaviors
- Solar Radiation and Photovoltaics
- HVDC Systems and Fault Protection
- Wind Turbine Control Systems
- Advanced ceramic materials synthesis
- Advanced materials and composites
- Frequency Control in Power Systems
- Power System Optimization and Stability
- GaN-based semiconductor devices and materials
- Anodic Oxide Films and Nanostructures
- Smart Grid Energy Management
- Advanced DC-DC Converters
- Diamond and Carbon-based Materials Research
- Advanced Welding Techniques Analysis
- Solar Thermal and Photovoltaic Systems
- Erosion and Abrasive Machining
- Water Quality Monitoring and Analysis
University of Lahore
2023
Superior University
2023
Delft University of Technology
2019-2021
Indian Institute of Technology Roorkee
2010-2018
Siddhartha Medical College
2018
Aligarh Muslim University
2014
King Fahd University of Petroleum and Minerals
1994-2013
Malaysia University of Science and Technology
2007
Hydrogen as an energy carrier holds promising potential for future power systems. An excess of electrical from renewables can be stored hydrogen, which used at a later moment by industries, households or the transportation system. The stability system could also benefit electrolysers these have to participate in frequency and voltage support. Although some models small exist, practical large not been described literature yet. In this publication, generic electrolyser model is developed...
A task for new power generation technologies, interfaced to the electrical grid by electronic converters, is stiffen rate of change frequency (RoCoF) at initial few milliseconds (ms) after any variation active balance. This defined in this article as fast regulation (FAPR), a generic definition FAPR also proposed study. Converters equipped with controls should be tested laboratory conditions before employment actual system. paper presents hardware-in-the-loop (PHIL) based method compliance...
This paper presents a comparative assessment of fast active power regulation (FAPR) control strategies implemented on megawatt-scale controllable electrolysers, with the goal achieving enhanced frequency support during large imbalances that lead to major under-frequency deviations. The FAPR consist three different types controllers, namely, droop, derivative and Virtual Synchronous Power (VSP). Each these controllers has been 300 MW electrolyser plant proton exchange membrane (PEM)...
Microanalytical, mechanical, and corrosion studies were undertaken to investigate the effect of nano-precipitates Al(Scx−1Zrx) on mechanical characteristics Al 2.5 alloy containing 0, 0.15, 0.3, 0.6, 0.9 wt% Sc with 0.15 Zr. Addition 0.3% significantly increased yield strength due small precipitates sizes (5–19 nm) high coherency nano-particles. Largest contributor was grain boundary strengthening caused by pinning precipitates. The alloys showed a good resistance in 3.5 neutral chloride...
Purpose The purpose of this paper is to report the resistance plasma‐sprayed titanium dioxide (TiO 2 ) nanostructured coatings in a corrosive environment. Design/methodology/approach Weight loss studies are performed according ASTM G31 specifications 3.5 wt% NaCl. Electrochemical polarization measurements made G59‐91 specifications. Corrosion humid and environment determined by exposing samples salt spray chamber for 100 h. Microstructural carried out using an atomic force microscope...
Abstract Investigations were undertaken to determine the erosion-corrosion resistance of plasma-sprayed titanium dioxide (TiO2) nanostructured coatings. Nanopowders used make agglomerates. ...
The corrosion behavior of annealed (O), as-fabricated (F), and naturally age-hardened (T4) aluminum alloy Al 6013 (UNS A96013) with 20 vol% silicon carbide in particulate form (SiC[P]) was investigated 3.5 wt% sodium chloride (NaCl) Arabian Gulf water. Of the three tempers, T4 showed lowest rate (0.04 mpy 2.61 mpy) deaerated aerated NaCl, respectively. seawater slightly higher. Predominant forms were pitting intergranular corrosion. Formation chimneys observed. X-ray diffraction (XRD),...
In modern contest the world is moving from conventional energy sources to renewable one. Within available alternative photovoltaic shows huge potential, contribution of solar generation has been increasing very fast as a result cost energy/kWh falling rapidly. Solar radiation one important parameter, power vary almost linearly with incidence on active area PV module. Interception irradiance module depends two factors tilt angle and position modules which effect performance both stand alone...
This study investigates the reactive power generation capability of existing transformerless Photovoltaic Inverter Topologies (PVIT) with their conventional switching strategies. The topologies such as H5, families H6 (H6, H6-I, H6-II, H6-III and H6-IV), HERIC, clamped (optimized passive HBZVR) have been selected for analysis. Matlab/Simulink simulation platform is employed analysis PVIT. It has observed that transformer-less PVIT strategies are not suitable injection. These generating...
Abstract Chloride ions are absorbed in the active state and inhibit cathodic reaction at certain concentrations. The degree of inhibition depends largely on Cl−/SO4= ratio. potential alloy surface region affects type configuration that results from dissolution. nucleation pitting is influenced by manner adsorption. possible adsorption quinoline-chloride mixtures causes a considerable reduction rates as result synergistic resulting partly due to interaction between quinoline cation chloride...
Traditionally, electrical power systems have been based on fossil-fuel fired generation plants to satisfy the load demand.However, due environmental targets for significant CO2 reduction, a gradual decommission of aforementioned is observed whereas renewable energy sources are gaining gradually increasing momentum, which entails radical changes in dynamic behavior systems.Among existing technologies, variable speed wind generators utilize full-scale electronics units, preferred technological...