Imperial College London

ProfessorBikashPal

Faculty of EngineeringDepartment of Electrical and Electronic Engineering

Professor of Power Systems
 
 
 
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Contact

 

+44 (0)20 7594 6172b.pal Website CV

 
 
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Assistant

 

Miss Guler Eroglu +44 (0)20 7594 6170

 
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Location

 

1104Electrical EngineeringSouth Kensington Campus

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Summary

 

Publications

Publication Type
Year
to

171 results found

Anagnostou G, Boem F, Kuenzel S, Pal BC, Parisini Tet al., 2018, Observer-Based Anomaly Detection of Synchronous Generators for Power Systems Monitoring, IEEE TRANSACTIONS ON POWER SYSTEMS, Vol: 33, Pages: 4228-4237, ISSN: 0885-8950

JOURNAL ARTICLE

Anagnostou G, Pal BC, 2018, Derivative-Free Kalman Filtering Based Approaches to Dynamic State Estimation for Power Systems With Unknown Inputs, IEEE TRANSACTIONS ON POWER SYSTEMS, Vol: 33, Pages: 116-130, ISSN: 0885-8950

JOURNAL ARTICLE

Basak S, Chakraborty C, Pal BC, 2018, A New Configuration of Dual Stator Induction Generator Employing Series and Shunt Capacitors, IEEE TRANSACTIONS ON ENERGY CONVERSION, Vol: 33, Pages: 762-772, ISSN: 0885-8969

JOURNAL ARTICLE

Batzelis E, Anagnostou G, Pal BC, 2018, A State-Space Representation of Irradiance-Driven Dynamics in Two-Stage Photovoltaic Systems, IEEE JOURNAL OF PHOTOVOLTAICS, Vol: 8, Pages: 1119-1124, ISSN: 2156-3381

JOURNAL ARTICLE

Batzelis EI, Papathanassiou S, Pal BC, 2018, PV System Control to Provide Active Power Reserves under Partial Shading Conditions, IEEE Transactions on Power Electronics, ISSN: 0885-8993

IEEE The challenges of modern power systems will inevitably impose increased ancillary service requirements to photovoltaic (PV) plants in the future, including operating reserves. Recent studies investigate methods to maintain active power reserves without energy storage in the standard case of uniform illumination. In this paper, this functionality is extended to partial shading conditions, often encountered in PV systems. A new control scheme is proposed that permits operation at a reduced power level, estimating at the same time the shading conditions and maximum available power. This is achieved by applying a least squares curve fitting algorithm on voltage and current measurements, without relying on any irradiance or temperature sensors. To the best of our knowledge, this is the first power reserves control scheme for PV systems under partial shading presented in the literature. The robustness and effectiveness of the proposed method is validated under rapidly changing shading conditions through simulations and experimental tests on a 2 kW PV system prototype.

JOURNAL ARTICLE

Bhui P, Senroy N, Singh AK, Pal BCet al., 2018, Estimation of Inherent Governor Dead-Band and Regulation Using Unscented Kalman Filter, IEEE TRANSACTIONS ON POWER SYSTEMS, Vol: 33, Pages: 3546-3558, ISSN: 0885-8950

JOURNAL ARTICLE

Cai L, Thornhill NF, Kuenzel S, Pal BCet al., 2018, Wide-Area Monitoring of Power Systems Using Principal Component Analysis and <formula><tex>$k$</tex></formula>-Nearest Neighbor Analysis, IEEE Transactions on Power Systems, ISSN: 0885-8950

CCBY Wide-area monitoring of power systems is important for system security and stability. It involves the detection and localization of power system disturbances. However, the oscillatory trends and noise in electrical measurements often mask disturbances, making wide-area monitoring a challenging task. This paper presents a wide-area monitoring method to detect and locate power system disturbances by combining multivariate analysis known as Principal Component Analysis (PCA) and time series analysis known as k-Nearest Neighbor (<formula><tex>${k}$</tex></formula>NN) analysis. Advantages of this method are that it can not only analyze a large number of wide-area variables in real time but also can reduce the masking effect of the oscillatory trends and noise on disturbances. Case studies conducted on data from a four-variable numerical model and the New England power system model demonstrate the effectiveness of this method.

JOURNAL ARTICLE

Gong X, Kuenzel S, Pal BC, 2018, Optimal Wind Farm Cabling, IEEE TRANSACTIONS ON SUSTAINABLE ENERGY, Vol: 9, Pages: 1126-1136, ISSN: 1949-3029

JOURNAL ARTICLE

Jabr RA, Dzafic I, Pal BC, 2018, Compensation in Complex Variables for Microgrid Power Flow, IEEE TRANSACTIONS ON POWER SYSTEMS, Vol: 33, Pages: 3207-3209, ISSN: 0885-8950

JOURNAL ARTICLE

Kazari H, Oraee H, Pal BC, 2018, Assessing the Effect of Wind Farm Layout on Energy Storage Requirement for Power Fluctuation Mitigation, IEEE Transactions on Sustainable Energy, ISSN: 1949-3029

IEEE Optimization of wind farm (WF) layout has been studied in the literature with the objective of maximizing the wind energy capture. Based on the power spectrum density (PSD) theorem, this paper shows that the WF layout affects not only the total harvested energy but also the level of power fluctuation, which in turn influences required capacity of battery energy storage system (BESS) needed to mitigate the inherent power fluctuation of the wind farms. Since both harvested energy level and BESS capacity directly influence the profit of WF owner, the effect of WF layout on these quantities are taken into account simultaneously and WF layout optimization problem is redefined. Genetic algorithm (GA) is then employed in order to optimize the resulting objective function. The proposed method and optimization process are performed on the layout of an actual offshore WF using real wind data. A new index is introduced to quantify the power fluctuations, and energy curtailment is assessed. The comparative analysis between the actual layout performance and the optimal layout in different scenarios is conducted, showing the reduction of power fluctuations and improvement of energy curtailment. In addition, different BESS technologies have been analyzed to study the impact of their parameters on the optimization results.

JOURNAL ARTICLE

Ma S, Geng H, Liu L, Yang G, Pal BCet al., 2018, Grid-Synchronization Stability Improvement of Large Scale Wind Farm During Severe Grid Fault, IEEE TRANSACTIONS ON POWER SYSTEMS, Vol: 33, Pages: 216-226, ISSN: 0885-8950

JOURNAL ARTICLE

Ma S, Geng H, Yang G, Pal BCet al., 2018, Clustering based Coordinated Control of Large Scale Wind Farm for Power System Frequency Support, IEEE Transactions on Sustainable Energy, ISSN: 1949-3029

IEEE This paper proposed a frequency support control scheme for large scale wind farm(WF) by considering distributed layout of wind turbines(WT) and wake effects inside the WF. The frequency support of WF is formulated as optimization problems. A novel clustering based optimization method is proposed to coordinate all the WTs so that the whole WF can work at the optimal operating states. In large scale WF, number of WTs is numerous. With the proposed method, the WTs are firstly clustered into groups according to their wind profiles. By dispatching the same control commands to the WTs belonging to the same group, each group can be further seen as one single WT. As a result, the number of the WTs and control variables reduces significantly and hence the optimization problems are highly simplified. A case study is carried out to verify the effectiveness of the proposed method.

JOURNAL ARTICLE

Majumdar A, Agalgaonkar YP, Pal BC, Gottschalg Ret al., 2018, Centralized Volt-Var Optimization Strategy Considering Malicious Attack on Distributed Energy Resources Control, IEEE TRANSACTIONS ON SUSTAINABLE ENERGY, Vol: 9, Pages: 148-156, ISSN: 1949-3029

JOURNAL ARTICLE

Majumdar A, Pal BC, 2018, Bad Data Detection in the Context of Leverage Point Attacks in Modern Power Networks, IEEE TRANSACTIONS ON SMART GRID, Vol: 9, Pages: 2042-2054, ISSN: 1949-3053

JOURNAL ARTICLE

Nduka OS, Pal BC, 2018, Quantitative Evaluation Of Actual Loss Reduction Benefits of a Renewable Heavy DG Distribution Network, IEEE TRANSACTIONS ON SUSTAINABLE ENERGY, Vol: 9, Pages: 1384-1396, ISSN: 1949-3029

JOURNAL ARTICLE

Schneider KP, Mather BA, Pal BC, Ten C-W, Shirek GJ, Zhu H, Fuller JC, Pereira JLR, Ochoa LF, de Araujo LR, Dugan RC, Matthias S, Paudyal S, McDermott TE, Kersting Wet al., 2018, Analytic Considerations and Design Basis for the IEEE Distribution Test Feeders, IEEE TRANSACTIONS ON POWER SYSTEMS, Vol: 33, Pages: 3181-3188, ISSN: 0885-8950

JOURNAL ARTICLE

Singh AK, Pal BC, 2018, Decentralized Nonlinear Control for Power Systems Using Normal Forms and Detailed Models, IEEE TRANSACTIONS ON POWER SYSTEMS, Vol: 33, Pages: 1160-1172, ISSN: 0885-8950

JOURNAL ARTICLE

Singh AK, Pal BC, 2018, Decentralized Robust Dynamic State Estimation in Power Systems Using Instrument Transformers, IEEE TRANSACTIONS ON SIGNAL PROCESSING, Vol: 66, Pages: 1541-1550, ISSN: 1053-587X

JOURNAL ARTICLE

Battistelli C, Agalgaonkar YP, Pal BC, 2017, Probabilistic Dispatch of Remote Hybrid Microgrids Including Battery Storage and Load Management, IEEE TRANSACTIONS ON SMART GRID, Vol: 8, Pages: 1305-1317, ISSN: 1949-3053

JOURNAL ARTICLE

Cai L, Thornhill NF, Kuenzel S, Pal BCet al., 2017, Real-Time Detection of Power System Disturbances Based on k-Nearest Neighbor Analysis, IEEE ACCESS, Vol: 5, Pages: 5631-5639, ISSN: 2169-3536

JOURNAL ARTICLE

Cai L, Thornhill NF, Pal BC, 2017, Multivariate Detection of Power System Disturbances Based on Fourth Order Moment and Singular Value Decomposition, IEEE TRANSACTIONS ON POWER SYSTEMS, Vol: 32, Pages: 4289-4297, ISSN: 0885-8950

JOURNAL ARTICLE

Canizares C, Fernandes T, Geraldi E, Gerin-Lajoie L, Gibbard M, Hiskens I, Kersulis J, Kuiava R, Lima L, DeMarco F, Martins N, Pal BC, Piardi A, Ramos R, dos Santos J, Silva D, Singh AK, Tamimi B, Vowles Det al., 2017, Benchmark Models for the Analysis and Control of Small-Signal Oscillatory Dynamics in Power Systems, IEEE TRANSACTIONS ON POWER SYSTEMS, Vol: 32, Pages: 715-722, ISSN: 0885-8950

JOURNAL ARTICLE

Dzafic I, Jabr RA, Huseinagic I, Pal BCet al., 2017, Multi-Phase State Estimation Featuring Industrial-Grade Distribution Network Models, IEEE TRANSACTIONS ON SMART GRID, Vol: 8, Pages: 609-618, ISSN: 1949-3053

JOURNAL ARTICLE

Kunjumuhammed LP, Pal BC, Gupta R, Dyke KJet al., 2017, Stability Analysis of a PMSG-Based Large Offshore Wind Farm Connected to a VSC-HVDC, IEEE TRANSACTIONS ON ENERGY CONVERSION, Vol: 32, Pages: 1166-1176, ISSN: 0885-8969

JOURNAL ARTICLE

Kunjumuhammed LP, Pal BC, Oates C, Dyke KJet al., 2017, The Adequacy of the Present Practice in Dynamic Aggregated Modeling of Wind Farm Systems, IEEE TRANSACTIONS ON SUSTAINABLE ENERGY, Vol: 8, Pages: 23-32, ISSN: 1949-3029

JOURNAL ARTICLE

Lessa Assis TM, Kuenzel S, Pal BC, 2017, Impact of Multi-terminal HVDC Grids on Enhancing Dynamic Power Transfer Capability, IEEE TRANSACTIONS ON POWER SYSTEMS, Vol: 32, Pages: 2652-2662, ISSN: 0885-8950

JOURNAL ARTICLE

Nanchian S, Majumdar A, Pal BC, 2017, Three-Phase State Estimation Using Hybrid Particle Swarm Optimization, IEEE TRANSACTIONS ON SMART GRID, Vol: 8, Pages: 1035-1045, ISSN: 1949-3053

JOURNAL ARTICLE

Nanchian S, Majumdar A, Pal BC, 2017, Ordinal Optimization Technique for Three-Phase Distribution Network State Estimation Including Discrete Variables, IEEE TRANSACTIONS ON SUSTAINABLE ENERGY, Vol: 8, Pages: 1528-1535, ISSN: 1949-3029

JOURNAL ARTICLE

Nduka OS, Pal BC, 2017, Harmonic Domain Modeling of PV System for the Assessment of Grid Integration Impact, IEEE TRANSACTIONS ON SUSTAINABLE ENERGY, Vol: 8, Pages: 1154-1165, ISSN: 1949-3029

JOURNAL ARTICLE

Singh AK, Pal BC, 2017, An extended linear quadratic regulator for LTI systems with exogenous inputs, AUTOMATICA, Vol: 76, Pages: 10-16, ISSN: 0005-1098

JOURNAL ARTICLE

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