Articles

Application and development of ground source heat pump technology in China

Ground source heat pumps (GSHPs) are one of the renewable energy technologies with features of high efficiency, energy saving, economic feasibility and environmental protection. In China, GSHPs have been widel...

Authors: Chaofan Song, Yang Li, Taha Rajeh, Ling Ma, Jun Zhao and Wenjia Li

Correction to: Grasshopper optimization algorithm optimized multistage controller for automatic generation control of a power system with FACTS devices

Authors: Pratap Chandra Nayak, Ramesh Chandra Prusty and Sidhartha Panda

Comprehensive power swing detection by current signal modeling and prediction using the GMDH method

Power swing is an undesirable variation in power flow. This can be caused by large disturbances in demand load, switching, disconnection or reclosing lines. This phenomenon may enter the zones of distance rela...

Authors: Seyed Amir Hosseini, Behrooz Taheri, Hossein Askarian Abyaneh and Farzad Razavi

Integration of PV system with SMES based on model predictive control for utility grid reliability improvement

This paper describes the integration of a photovoltaic (PV) renewable energy source with a superconducting magnetic energy storage (SMES) system. The integrated system can improve the voltage stability of the ...

Authors: Abualkasim Bakeer, Hossam S. Salama and Istvan Vokony

Research on power control strategy of household-level electric power router based on hybrid energy storage droop control

In the light of user-side energy power control requirements, a power control strategy for a household-level EPR based on HES droop control is proposed, focusing on the on-grid, off-grid and seamless switching ...

Authors: Kun Huang, Yanman Li, Xiaoyan Zhang, Lei Liu, Yanbin Zhu and Xin Meng

Electrical control strategy for an ocean energy conversion system

Globally abundant wave energy for power generation attracts ever increasing attention. Because of non-linear dynamics and potential uncertainties in ocean energy conversion systems, generation productivity nee...

Authors: Muhammad Noman, Guojie Li, Keyou Wang and Bei Han

Single and multi-area multi-fuel economic dispatch using a fuzzified squirrel search algorithm

Multi-Area Multi-Fuel Economic Dispatch (MAMFED) aims to allocate the best generation schedule in each area and to offer the best power transfers between different areas by minimizing the objective functions a...

Authors: V. Ponnuvel Sakthivel and P. Duraisamy Sathya

Reliability sensitivity of wind power system considering correlation of forecast errors based on multivariate NSTPNT method

The impact of wind power forecast errors (WPFEs) on power system reliability can be quantified by a sensitivity model, which helps to determine the importance of different wind farms. However, the unknown dist...

Authors: Wangchao Dong and Shenghu Li

Communication infrastructure for situational awareness enhancement in WAMS with optimal PMU placement

Real time monitoring and control of a modern power system has achieved significant development since the incorporation of the phasor measurement unit (PMU). Due to the time-synchronized capabilities, PMU has i...

Authors: Bhargav Appasani, Amitkumar Vidyakant Jha, Sunil Kumar Mishra and Abu Nasar Ghazali

Grasshopper optimization algorithm optimized multistage controller for automatic generation control of a power system with FACTS devices

This paper uses a Grasshopper Optimization Algorithm (GOA) optimized PDF plus (1 + PI) controller for Automatic generation control (AGC) of a power system with Flexible AC Transmission system (FACTS) devices. ...

Authors: Pratap Chandra Nayak, Ramesh Chandra Prusty and Sidhartha Panda

Impact of communication time delays on combined LFC and AVR of a multi-area hybrid system with IPFC-RFBs coordinated control strategy

In this paper, the impact of communication time delays (CTDs) on combined load frequency control (LFC) and automatic voltage regulation (AVR) of a multi-area system with hybrid generation units is addressed. I...

Authors: C H. Naga Sai Kalyan and G. Sambasiva Rao

Sliding mode controller design for frequency regulation in an interconnected power system

In this paper, a Sliding mode controller design method for frequency regulation in an interconnected power system is presented. A sliding surface having four parameters has been selected for the load frequency...

Authors: Anand Kumar, Md Nishat Anwar and Shekhar Kumar

An integrated multi-energy flow calculation method for electricity-gas-thermal integrated energy systems

The modeling and multi-energy flow calculation of an integrated energy system (IES) are the bases of its operation and planning. This paper establishes the models of various energy sub-systems and the coupling...

Authors: Mengting Zhu, Chengsi Xu, Shufeng Dong, Kunjie Tang and Chenghong Gu

Operational optimization of a building-level integrated energy system considering additional potential benefits of energy storage

As a key component of an integrated energy system (IES), energy storage can effectively alleviate the problem of the times between energy production and consumption. Exploiting the benefits of energy storage c...

Authors: Sai Liu, Cheng Zhou, Haomin Guo, Qingxin Shi, Tiancheng E. Song, Ian Schomer and Yu Liu

A critical review of the integration of renewable energy sources with various technologies

Wind power, solar power and water power are technologies that can be used as the main sources of renewable energy so that the target of decarbonisation in the energy sector can be achieved. However, when compa...

Authors: Erdiwansyah, Mahidin, H. Husin, Nasaruddin, M. Zaki and Muhibbuddin

Application of a simplified Grey Wolf optimization technique for adaptive fuzzy PID controller design for frequency regulation of a distributed power generation system

A Simplified Grey Wolf Optimizer (SGWO) is suggested for resolving optimization tasks. The simplification in the original Grey Wolf Optimizer (GWO) method is introduced by ignoring the worst category wolves wh...

Authors: Sasmita Padhy and Sidhartha Panda

A comprehensive review of DC fault protection methods in HVDC transmission systems

High voltage direct current (HVDC) transmission is an economical option for transmitting a large amount of power over long distances. Initially, HVDC was developed using thyristor-based current source converte...

Authors: Mohan Muniappan

Improving low-voltage ride-through capability of a multimegawatt DFIG based wind turbine under grid faults

Large integration of doubly-fed induction generator (DFIG) based wind turbines (WTs) into power networks can have significant consequences for power system operation and the quality of the energy supplied due ...

Authors: Mohamed Nadour, Ahmed Essadki and Tamou Nasser

The legal sustainability of energy substitution in Nigeria’s electric power sector: renewable energy as alternative

Non-renewable fuel sources have been the predominant energy sources and a significant source of foreign exchange income for Nigeria, while at the same time there is a severe problem of electricity inconsistenc...

Authors: Olusola Joshua Olujobi

Impact of the penetration of distributed generation on optimal reactive power dispatch

Optimal reactive power dispatch (ORPD) is a complex and non-linear problem, and is one of the sub-problems of optimal power flow (OPF) in a power system. ORPD is formulated as a single-objective problem to min...

Authors: Tanmay Das, Ranjit Roy and Kamal Krishna Mandal

A novel method for locating the source of sustained oscillation in power system using synchrophasors data

Large interconnected power systems are usually subjected to natural oscillation (NO) and forced oscillation (FO). NO occurs due to system transient response and is characterized by several oscillation modes, w...

Authors: Mohd Zuhaib, Mohd Rihan and Mohd Tayyab Saeed

A fast boundary protection for an AC transmission line connected to an LCC-HVDC inverter station

For AC transmission lines connected to an LCC-HVDC inverter station, commutation failure can lead to the wrong operation of traditional protection. To solve the problem, this paper proposes a fast protection s...

Authors: Zhen Liu, Houlei Gao, Sibei Luo, Le Zhao and Yuyao Feng

Weak bus-constrained PMU placement for complete observability of a connected power network considering voltage stability indices

Phasor measurement units (PMUs) are preferred for installation at weak buses in a power network. Therefore, the weak buses need to be located and the strategic locations of PMUs identified to ensure network ob...

Authors: Rohit Babu, Saurav Raj and Biplab Bhattacharyya

FPGA-based real-time simulation for EV station with multiple high-frequency chargers based on C-EMTP algorithm

The electric vehicle (EV) charging station is a critical part of the infrastructure for the wide adoption of EVs. Real-time simulation of an EV station plays an essential role in testing its operation under di...

Authors: Zirun Li, Jin Xu, Keyou Wang, Pan Wu and Guojie Li

Human reliability analysis in maintenance team of power transmission system protection

The requirement for reliable electrical energy supply increases continuously because of its vital role in our lives. However, events due to various factors in the power grid can cause energy supply to be inter...

Authors: Mehdi Tavakoli and Mehdi Nafar

A robust composite wide area control of a DFIG wind energy system for damping inter-area oscillations

This paper presents a novel composite wide area control of a DFIG wind energy system which combines the Robust Exact Differentiator (RED) and Discontinuous Integral (DI) control to damp out inter-area oscillat...

Authors: Ayyarao S. L. V. Tummala

Optimal load frequency control through combined state and control gain estimation for noisy measurements

Combined estimation of state and feed-back gain for optimal load frequency control is proposed. Load frequency control (LFC) addresses the problem of controlling system frequency in response to disturbance, an...

Authors: Anju G. Pillai, Elizabeth Rita Samuel and A. Unnikrishnan

A novel complex current ratio-based technique for transmission line protection

With respect to sensitivity, selectivity and speed of operation, the current differential scheme is a better way to protect transmission lines than overcurrent and distance-based schemes. However, the protecti...

Authors: Suryanarayana Gangolu and Saumendra Sarangi

Accurate prediction of different forecast horizons wind speed using a recursive radial basis function neural network

Environmental considerations have prompted the use of renewable energy resources worldwide for reduction of greenhouse gas emissions. An accurate prediction of wind speed plays a major role in environmental pl...

Authors: M. Madhiarasan

Bayesian bootstrap quantile regression for probabilistic photovoltaic power forecasting

Photovoltaic (PV) systems are widely spread across MV and LV distribution systems and the penetration of PV generation is solidly growing. Because of the uncertain nature of the solar energy resource, PV power...

Authors: Mokhtar Bozorg, Antonio Bracale, Pierluigi Caramia, Guido Carpinelli, Mauro Carpita and Pasquale De Falco

Design of a robust PID-PSS for an uncertain power system with simplified stability conditions

In a deregulated power system uncertainty exists and lack of sufficient damping can lead to Low Frequency Oscillations (LFO). The problem can be addressed using robust Power System Stabilizers (PSS). In this p...

Authors: Vijaya Lakshmi A.S.V, Ramalinga Raju Manyala and Siva Kumar Mangipudi

A review of cyber security risks of power systems: from static to dynamic false data attacks

With the rapid development of the smart grid and increasingly integrated communication networks, power grids are facing serious cyber-security problems. This paper reviews existing studies on the impact of fal...

Authors: Yan Xu

Power quality enhancement and engineering application with high permeability distributed photovoltaic access to low-voltage distribution networks in Australia

Considering power quality problems such as overvoltage and three-phase unbalance caused by high permeability distributed photovoltaic access in low-voltage distribution networks, this paper proposes a comprehe...

Authors: Ruisheng Li, Peter Wong, Kun Wang, Bin Li and Fangfang Yuan

Hybrid classifier for fault location in active distribution networks

This paper presents a fast hybrid fault location method for active distribution networks with distributed generation (DG) and microgrids. The method uses the voltage and current data from the measurement point...

Authors: Sadegh Jamali, Alireza Bahmanyar and Siavash Ranjbar

Fault line selection in cooperation with multi-mode grounding control for the floating nuclear power plant grid

The Floating nuclear power plant grid is composed of power generation, in-station power supply and external power delivery. To ensure the safety of the nuclear island, the in-station system adopts a special po...

Authors: Yikai Wang, Xin Yin, Wen Xu, Xianggen Yin, Minghao Wen and Lin Jiang

An improved MPPT control strategy based on incremental conductance algorithm

PV power production is highly dependent on environmental and weather conditions, such as solar irradiance and ambient temperature. Because of the single control condition and any change in the external environ...

Authors: Liqun Shang, Hangchen Guo and Weiwei Zhu

Sliding mode approach applied to sensorless direct torque control of cage asynchronous motor via multi-level inverter

To improve the robustness and performance of the dynamic response of a cage asynchronous motor, a direct torque control (DTC) based on sliding mode control (SMC) is adopted to replace traditional proportional-...

Authors: Soukaina El Daoudi, Loubna Lazrak and Mustapha Ait Lafkih

Stability enhancement of wind energy integrated hybrid system with the help of static synchronous compensator and symbiosis organisms search algorithm

Conventional proportional integral derivative (PID) controllers are being used in the industries for control purposes. It is very simple in design and low in cost but it has less capability to minimize the low...

Authors: Pabitra Kumar Guchhait and Abhik Banerjee

Review of protection and fault handling for a flexible DC grid

With the development of power electronics technology, the flexible DC grid will play a significant role in promoting the transformation and reformation of the power grid. It is immune to commutation failure an...

Authors: Jinghan He, Keao Chen, Meng Li, Yiping Luo, Chenguang Liang and Yin Xu

Prediction and assessment of demand response potential with coupon incentives in highly renewable power systems

Demand Response (DR) provides both operational and financial benefits to a variety of stakeholders in the power system. For example, in the deregulated market operated by the Electric Reliability Council of Te...

Authors: Hao Ming, Bainan Xia, Ki-Yeob Lee, Adekunle Adepoju, Srinivas Shakkottai and Le Xie

Fault protection method of single-phase break for distribution network considering the influence of neutral grounding modes

With the rapid development of modern distribution network and the access of distributed generation, the network structure is becoming increasingly complex. Frequent single-phase break faults have seriously aff...

Authors: Yang Xiao, Jinxin Ouyang, Xiaofu Xiong, Yutong Wang and Yongjie Luo

Micro-synchrophasor based special protection scheme for distribution system automation in a smart city

Aspects of power system protection which contributes to mal-operations and blackouts can be improved by supervision of system behavior and response based analysis rather than condition-based or event-based ana...

Authors: Deepa S. Kumar, Savier J.S. and Biju S. S.

Pilot protection of hybrid MMC DC grid based on active detection

Considering the advantages and limitations of traditional identification method, combined with the strategy of active detection, the principle of DC grid pilot protection based on active detection is proposed ...

Authors: Guobing Song, Junjie Hou, Bing Guo and Zhehong Chen

Reconfigurable control as actuator fault-tolerant control design for power oscillation damping

This paper presents design of an self contained actuators unit in wide area damping control of power system in stabilizing system response for both nominal system condition and during actuator faults. First it...

Authors: Digvijay V. Nair and MSR Murty

Comparative study of semiconductor power losses between CSI-based STATCOM and VSI-based STATCOM, both used for unbalance compensation

In this paper, we present a detailed procedure to determine the semiconductor losses for both structures of a shunt STATCOM (Static Compensator), STATCOM based on Current Source Inverter (CSI) and STATCOM base...

Authors: Anas Benslimane, Jamal Bouchnaif, Mohammed Essoufi, Bekkay Hajji and Loukmane el Idrissi

Multi-objective optimization strategy for distribution network considering V2G-enabled electric vehicles in building integrated energy system

Based on the large-scale penetration of electric vehicles (EV) into the building cluster, a multi-objective optimal strategy considering the coordinated dispatch of EV is proposed, for improving the safe and e...

Authors: Zhao Huang, Baling Fang and Jin Deng

A direct power control of a DFIG based-WECS during symmetrical voltage dips

The Wind Energy Conversion System (WECS) based Doubly Fed Induction Generator (DFIG) has experienced a rapid development in the world, which leads to an increasing insertion of this source of energy in the ele...

Authors: Sara Mensou, Ahmed Essadki, Tamou Nasser and Badr Bououlid Idrissi

Optimal integration of DGs into radial distribution network in the presence of plug-in electric vehicles to minimize daily active power losses and to improve the voltage profile of the system using bio-inspired optimization algorithms

The increase in plug-in electric vehicles (PEVs) is likely to see a noteworthy impact on the distribution system due to high electric power consumption during charging and uncertainty in charging behavior. To ...

Authors: Satish Kumar Injeti and Vinod Kumar Thunuguntla

Multi-objective energy management in microgrids with hybrid energy sources and battery energy storage systems

Microgrid with hybrid renewable energy sources is a promising solution where the distribution network expansion is unfeasible or not economical. Integration of renewable energy sources provides energy security...

Authors: V. V. S. N. Murty and Ashwani Kumar

Asymmetric GARCH type models for asymmetric volatility characteristics analysis and wind power forecasting

Wind power forecasting is of great significance to the safety, reliability and stability of power grid. In this study, the GARCH type models are employed to explore the asymmetric features of wind power time s...

Authors: Hao Chen, Jianzhong Zhang, Yubo Tao and Fenglei Tan