A5067399221- Real-time simulation and control systems
- Microgrid Control and Optimization
- Smart Grid Security and Resilience
- Smart Grid Energy Management
- Power System Optimization and Stability
- HVDC Systems and Fault Protection
- Optimal Power Flow Distribution
- Islanding Detection in Power Systems
- Frequency Control in Power Systems
- Simulation Techniques and Applications
- Electromagnetic Compatibility and Noise Suppression
- Radiation Effects in Electronics
- Power Line Communications and Noise
- Advanced DC-DC Converters
- Embedded Systems Design Techniques
- Advancements in PLL and VCO Technologies
- Electrostatic Discharge in Electronics
- Power Systems Fault Detection
- Radio Frequency Integrated Circuit Design
- Modeling and Simulation Systems
- Distributed and Parallel Computing Systems
- Lightning and Electromagnetic Phenomena
- Power Quality and Harmonics
- Real-Time Systems Scheduling
- Advanced Battery Technologies Research
Zhejiang University
2024-2025
SRM University
2025
University of Strathclyde
2014-2023
Masdar Institute of Science and Technology
2013
Broadcom (United States)
2002-2007
Broadcom (Israel)
2001-2002
The study of power flow analysis for microgrids has gained importance where several methods have been proposed to solve these problems. However, schemes are complicated and not easy implement due the absence a slack bus as well dependence on frequency result droop characteristics. This paper proposes simple effective modifications conventional method (Newton Raphson) compute microgrids. presented provides simple, implement, accurate approach equations is applied two test systems: 6-bus...
In future power systems, widespread small-scale energy storage systems (ESSs) can be aggregated to provide ancillary services. this context, a new load frequency control scheme which incorporates the aggregator (ESA) and its associated disturbance observer is proposed. The designed supplement secondary for ESA, therefore system response recovery improved. Within finite-time leader-follower consensus algorithm proposed ESSs via sparse communication networks. This ensures that ESA tracks...
The reactive power of the photovoltaic (PV) inverters has great potential for voltage regulation distribution networks. In this paper, a new three-level coordinated control method PV is proposed to address network fluctuation and violation issues. Level I, ramp-rate designed smooth fluctuations, while in II, droop alleviate deviations. If local compensation provided by I II not enough regulate voltages within required limits, III based on dynamic average consensus can respond share...
Internet-of-Things concepts are evolving the power systems to Energy Internet paradigm. Microgrids (MGs), as basic element in an Internet, expected be controlled a cooperative and flexible manner. This article proposes novel distributed control scheme for multiagent (MASs) governed MGs future Internet. The objectives frequency/voltage restoration proportional sharing. proposed considers both intra- inter-MASs interactions, which offers group plug-and-play capability of generators. stability...
A fully integrated CMOS transceiver tuned to 2.4 GHz consumes 46 mA in receive mode and 47 transmit from a 2.7-V supply. It includes all the building blocks, such as frequency synthesizer, voltage-controlled oscillator (VCO), power amplifier, demodulator. The receiver uses low-IF architecture for higher level of integration lower consumption. achieves sensitivity -82 dBm at 0.1% BER, third-order input intercept point (IIP3) -7 dBm. direct-conversion transmitter delivers GFSK modulated...
The integration of smart grid technologies in interconnected power system networks presents multiple challenges for the industry and scientific community. To address these challenges, researchers are creating new methods validation of: control, interoperability, reliability Internet Things systems, distributed energy resources, modern equipment applications covering stability, operation, cybersecurity. Novel laboratory testing electrical systems incorporate novel simulation techniques...
This paper proposes a new coordinated voltage control (CVC) method with reactive power management scheme (RPMS) for hybrid micro-grid (MG). The CVC scheme, based on synchronizing the response speeds of different regulating devices, is novel RPMS. Two cases, and without proposed CVC, were simulated in system computer aided design (PSCAD)/electromagnetic transients including dc (EMTDC) environment compared against each other. case shows superior performance, when tested fault triggered...
Aggregated equivalent models for the dynamic analysis of active distribution networks (ADNs) can be efficiently developed using responses recorded through field measurements. However, model parameters are highly affected from time-varying composition power system loads and stochastic behavior distributed generators. Thus, models, insitu measurements, valid only operating conditions which they have been derived. To overcome this issue, in paper, a new method is proposed derivation generic...
Investigations of the dynamic behaviour power electronic components integrated into electric networks require suitable and established simulation methodologies. Real-time represents a frequently applied methodology for analyzing steady-state transient behavior systems. This work introduces guideline on how to model electronics converters in digital real time simulators, taking account trade-off between accuracy required computation time. Based this concept, possible execution approaches with...
This article presents a novel approach for realizing coordinated control of Distributed Energy Resources (DERs) based on cloud-hosted and edge-hosted digital twins (DTs) DERs. DERs are playing an increasingly important role in supporting the frequency regulation power systems with massive integration renewable resources. However, due to significant differences DERs' capability characteristics, individual un-coordinated responses from could lead less effective overall response undesirable...
In modern power distribution networks, voltage fluctuations and violations are becoming two major quality issues due to high-level penetration of stochastic renewable energies (e.g. wind solar power). this study, a hybrid control strategy based on inverters for regulation in networks is proposed. Firstly, decentralised designed regulate ramp-rate mitigating fluctuations. As beneficial by-product, the var capacity from become smoothed. Then, distributed developed fairly utilise each inverter...
Power flow studies are very important in the planning or expansion of power system. With integration distributed generation (DG), micro-grids becoming attractive. So, it is to study micro-grids. In grid connected mode, system can be solved a conventional manner. islanded method (like Gauss Seidel) cannot applied solve analysis. Hence some modifications required implement Seidel This paper proposes Modified (MGS) method, which an extension (GS) method. The proposed simple, easy and accurate...
The gradual deployment of intelligent and coordinated devices in the electrical power system needs careful investigation interactions between various domains involved. Especially due to coupling ICT systems a holistic approach for testing validating is required. Taking existing (quasi-) standardised smart grid test specification methods as starting point, we are developing validation that allows very flexible way assessing level aspects by types experiments (including virtual, real, mixed...
Emerging power system protection and control applications require faster-responding measurements more accurate knowledge of the actual latency measurement communications systems. A new method for accurately determining reporting a phasor unit (PMU) has been developed demonstrated. This operates in real-time, works passively any existing PMU without requiring changes to hardware or software, it is very accurate—providing uncertainty ¡500 ns many cases, significantly surpassing 0.002 s...
Distributed control and optimization strategies are a promising alternative approach to centralized within microgrids. In this paper, multi-agent system is developed deal with the distributed secondary of islanded Two main challenges identified in coordination microgrid: (i) interoperability among equipment from different vendors; (ii) online re-configuration network case alteration topology. To cope these challenges, agents designed communicate physical devices via industrial standard IEC...
The increasing share of volatile and inverter-based energy sources render electric power grids increasingly susceptible to disturbances. Established Load Frequency Controls (LFC) schemes are rigid require careful tuning, making them unsuitable for dynamically changing environments. In this paper, we present a fast tuningless frequency control approach that tackles these shortcomings by means modern grid monitoring communications infrastructures in twofold concurrent process. First, direct...
The testing of complex power components by means hardware in the loop (PHIL) requires accurate and stable PHIL platforms. total time delay typically present within these platforms is commonly acknowledged to be an important factor considered due its impact on accuracy stability. However, a thorough assessment has not been performed literature. Therefore, accounted for as constant parameter. with detailed analysis this article, variability detected result interaction between discrete...
In the new era of increasingly electric aircraft, need for reliable and safe electrical systems is more important than ever. addition, wide-scale adoption dc distribution considered a key enabling technology efficient aircraft operation. this context, arc fault detection devices (AFDDs) have become topic interest aviation industry with ongoing research to characterize impact adequately protect against severe series faults. Although faults been widely investigated utility applications (such...
Geographically distributed simulations (GDS) overcome the inherent limitations in capabilities of single research infrastructure to accurately represent large-scale complex power and energy systems within representative operating environments real-time. The feasibility GDS has been proven, however, there is a lack confidence its adoption owing limited evidence stability accuracy that ascertain practical applicability. This paper presents detailed small signal models for setups with two...
Power hardware-in-the-loop (PHIL) simulation leverages the advanced real-time emulation based technique to carry out in-depth investigations on novel real-world power components. amplifiers, sensors, and signal conversion units interfaces (PI) incorporate physical hardware systems platforms into PHIL setups. However, employment of any interfacing inevitably introduces disturbances such as sensor noise, switching harmonics, or quantization noise systems. To facilitate quantitatively analyzing...
The UK's path to net zero emissions relies on integrating Renewable Energy Sources (RES) into the power network. However, this creates increased loading at certain points. Traditional methods for evaluating connection requests, based rated capacity, have led significant queues awaiting connections date while network reinforcement work is completed. Yet, RES often don't operate full capacity due resource availability or market conditions. This can lead untapped some times of day year. In...
This letter assesses the impact of phase locked-loop (PLL) cyberattacks on inverter-dominated microgrids considering current limitation grid forming (GFM) and following (GFL) inverters. Specifically, an adversary may reduce PI gains PLL aiming to create substantial voltage sags, exploiting dynamic coupling synchronization loop GFL with droop controller GFM. Furthermore, it demonstrates that smaller GFM inverter can mitigate such attacks, serving as a passive mitigation strategy leverages...