Articles

Protection and control of microgrids using dynamic state estimation

High penetration of Converter Interfaced Generations (CIGs) presents challenges in both microgrid (μGrid) circuit and other system with CIG resources, such as wind farms and PV plants. Specifically, protection...

Authors: Y. Liu, A. P. Meliopoulos, L. Sun and S. Choi

A novel controllable crowbar based on fault type protection technique for DFIG wind energy conversion system using adaptive neuro-fuzzy inference system

This paper proposes a novel controllable crowbar based on fault type (CBFT) protection technique for doubly fed induction generator (DFIG) wind energy conversion system connected to grid. The studied system co...

Authors: Omar Noureldeen and I. Hamdan

A generalized synthesis load model considering network parameters and all-vanadium redox flow battery

The simulation precision of the classic load model (CLM) is affected by the increasing proportion of installed energy storage capacity in the grid. This paper studies the all-vanadium redox flow battery (VRB) ...

Authors: L Zhou, Z W Peng, C R Deng, X Z Qi and P Q Li

Data mining for classification of power quality problems using WEKA and the effect of attributes on classification accuracy

There is growing interest in power quality issues due to wider developments in power delivery engineering. In order to maintain good power quality, it is necessary to detect and monitor power quality problems....

Authors: S. Asha Kiranmai and A. Jaya Laxmi

A cumulative standard deviation sum based method for high resistance fault identification and classification in power transmission lines

High resistance fault poses an enormous challenge to the existing algorithms of fault detection and fault classification. In this paper, the standard deviation and accumulation method are employed to perform t...

Authors: Mohammed H. H. Musa, Zhengyou He, Ling Fu and Yujia Deng

Programmable protective device for LV distribution system protection

High quality electric power supply is the prime goal in the modern power systems around the world. One of the main ways to achieve this is the protection of the system which needs to be fast, reliable and cost...

Authors: S. Gopiya Naik, Vibin Ravi and Ramya Arshiya

A comparative study on grid resource utilization rate between China Southern Power Grid and National Grid Plc of UK

Grid resource utilization rate plays a key role in power grid operation. Although the proportion of population and the area in China Southern Power Grid (CSG) and National Grid Plc of UK (NG) are nearly, grid ...

Authors: Long Zhou, Di Zhang, Weijie Wu, Manman Zhu, Hanyu Yang, Canbing Li, Ge Li, Fei Li and Mingjian Cui

Fault-line selection and fault-type recognition in DC systems based on graph theory

When a fault occurs in a DC system, the fault current rises rapidly with no zero-crossing point which makes fault-line selection and fault-type identification difficult. In this paper, an online detection and ...

Authors: Yan Xu, Jingyan Liu and Yuan Fu

Design of a P-&-O algorithm based MPPT charge controller for a stand-alone 200W PV system

Solar cells convert sun light into electricity, but have the major drawbacks of high initial cost, low photo-conversion efficiency and intermittency. The current-voltage characteristics of the solar cells depe...

Authors: Salman Salman, Xin AI and Zhouyang WU

Residue Theorem based soft sliding mode control for wind power generation systems

This paper proposes a residue theorem based soft sliding mode control strategy for a permanent magnet synchronous generator (PMSG) based wind power generation system (WPGS), to achieve the maximum energy conve...

Authors: Mohammed Alsumiri, Liuying Li, Lin Jiang and Wenhu Tang

Microgrid dynamic security considering high penetration of renewable energy

This paper presents a coordination strategy of Load Frequency Control (LFC) and digital frequency protection for an islanded microgrid (MG) considering high penetration of Renewable Energy Sources (RESs). In s...

Authors: G. Magdy, Emad A. Mohamed, G. Shabib, Adel A. Elbaset and Yasunori Mitani

Relay performance verification using fault event records

Event reports recorded by intelligent electronic devices (IEDs) such as digital relays and fault recorders during disturbances depict the status and system parameters of the power system. Incorrect relay setti...

Authors: Swagata Das, Sundaravaradan Navalpakkam Ananthan and Surya Santoso

Comparative study of three types of controllers for DFIG in wind energy conversion system

This paper presents an enhanced control strategy for Wind Energy Conversion System (WECS) using Doubly-Fed Induction Generator (DFIG). A robust Super-Twisting (STW) sliding mode control for variable speed wind...

Authors: Saïd Boubzizi, Hafedh Abid, Ahmed El hajjaji and Mohamed Chaabane

Parallel computing of multi-contingency optimal power flow with transient stability constraints

To deal with the high dimensionality and computational density of the Optimal Power Flow model with Transient Stability Constraints (OTS), a credible criterion to determine transient stability is proposed base...

Authors: Yude Yang, Anjun Song, Hui Liu, Zhijun Qin, Jun Deng and Junjian Qi

Post-disturbance transient stability assessment of power systems towards optimal accuracy-speed tradeoff

The recent development of phasor measurement technique opens the way for real-time post-disturbance transient stability assessment (TSA). Following a disturbance, since the transient instability can occur very...

Authors: Chao Ren, Yan Xu and Yuchen Zhang

A review on the influence of intelligent power consumption technologies on the utilization rate of distribution network equipment

The economy of distribution networks largely depends on the utilization rate of distribution network equipment. Most of the emerging intelligent power consumption technologies have a positive effect on equipme...

Authors: Yuqing He, Yuehui Chen, Zhiqiang Yang, Hongbin He and Li Liu

Design of robust intelligent protection technique for large-scale grid-connected wind farm

This paper presents a design of robust intelligent protection technique using adaptive neuro-fuzzy inference system (ANFIS) approach to detect and classify the fault types during various faults occurrence in l...

Authors: Omar Noureldeen and I. Hamdan

Remote monitoring system for real time detection and classification of transmission line faults in a power grid using PMU measurements

Remote monitoring of transmission lines of a power system is significant for improved reliability and stability during fault conditions and protection system breakdowns. This paper proposes a smart backup moni...

Authors: Pathirikkat Gopakumar, Balimidi Mallikajuna, Maddikara Jaya Bharata Reddy and Dusmanta Kumar Mohanta

Fast image recognition of transmission tower based on big data

Big data technology is more and more widely used in modern power systems. Efficient collection of big data such as equipment status, maintenance and grid operation in power systems, and data mining are the imp...

Authors: Zhuangli Hu, Tong He, Yihui Zeng, Xiangyuan Luo, Jiawen Wang, Sheng Huang, Jianming Liang, Qinzhang Sun, Hengbin Xu and Bin Lin

Real-time vehicle-to-grid control for frequency regulation with high frequency regulating signal

The large-scale popularization of electric vehicles (EVs) brings the potential for grid frequency regulation. Considering the characteristics of fast response and adjustment of EVs, two control strategies of a...

Authors: H. Liu, K. Huang, Y. Yang, H. Wei and S. Ma

PMU based adaptive zone settings of distance relays for protection of multi-terminal transmission lines

This paper proposes Phasor Measurement Unit (PMU) based adaptive zone settings of distance relays (PAZSD) methodology for protection of multi-terminal transmission lines (MTL). The PAZSD methodology employs cu...

Authors: Balimidi Mallikarjuna, Pudi Shanmukesh, Dwivedi Anmol, Maddikara Jaya Bharata Reddy and Dusmanta Kumar Mohanta

Research on practical power system stability analysis algorithm based on modified SVM

Stable and safe operation of power grids is an important guarantee for economy development. Support Vector Machine (SVM) based stability analysis method is a significant method started in the last century. How...

Authors: Kaiyuan Hou, Guanghui Shao, Haiming Wang, Le Zheng, Qiang Zhang, Shuang Wu and Wei Hu

A dual control strategy for power sharing improvement in islanded mode of AC microgrid

Parallel operation of inverter modules is the solution to increase the reliability, efficiency, and redundancy of inverters in microgrids. Load sharing among inverters in distributed generators (DGs) is a key ...

Authors: Suleman Haider, Guojie Li and Keyou Wang

Robust fault analysis in transmission lines using Synchrophasor measurements

As more electric utilities and transmission system operators move toward the smart grid concept, robust fault analysis has become increasingly complex. This paper proposes a methodology for the detection, clas...

Authors: Rajaraman P., Sundaravaradan N.A., Mallikarjuna B., Jaya Bharata Reddy M. and Mohanta D.K.

Day-ahead optimal charging/discharging scheduling for electric vehicles in microgrids

Microgrid as an important part of smart grid comprises distributed generators (DGs), adjustable loads, energy storage systems (ESSs) and control units. It can be operated either connected with the external sys...

Authors: Hui Cai, Qiyu Chen, Zhijian Guan and Junhui Huang

Adaptive fractional integral terminal sliding mode power control of UPFC in DFIG wind farm penetrated multimachine power system

With an aim to improve the transient stability of a DFIG wind farm penetrated multimachine power system (MPN), an adaptive fractional integral terminal sliding mode power control (AFITSMPC) strategy has been p...

Authors: P. K. Dash, R. K. Patnaik and S. P. Mishra

Design optimization of hydraulic energy storage and conversion system for wave energy converters

Wave energy collected by the power take-off system of a Wave Energy Converter (WEC) is highly fluctuating due to the wave characteristics. Therefore, an energy storage system is generally needed to absorb the ...

Authors: Dong Wang and Kaiyuan Lu

Hierarchical distributed control for decentralized battery energy storage system based on consensus algorithm with pinning node

A decentralized battery energy storage system (DBESS) is used for stabilizing power fluctuation in DC microgrids. Different state of charge (SoC) among various battery energy storage units (BESU) during operat...

Authors: Hanqing Yang, Shihan Li, Qi Li and Weirong Chen

Modeling and SOC estimation of lithium iron phosphate battery considering capacity loss

Modeling and state of charge (SOC) estimation of Lithium cells are crucial techniques of the lithium battery management system. The modeling is extremely complicated as the operating status of lithium battery ...

Authors: Junhui Li, Fengjie Gao, Gangui Yan, Tianyang Zhang and Jianlin Li

A cost accounting method of the Li-ion battery energy storage system for frequency regulation considering the effect of life degradation

The cost of Energy Storage System (ESS) for frequency regulation is difficult to calculate due to battery’s degradation when an ESS is in grid-connected operation. To solve this problem, the influence mechanism o...

Authors: Gangui Yan, Dongyuan Liu, Junhui Li and Gang Mu

Coordinated control for voltage regulation of distribution network voltage regulation by distributed energy storage systems

With more and more distributed photovoltaic (PV) plants access to the distribution system, whose structure is changing and becoming an active network. The traditional methods of voltage regulation may hardly a...

Authors: Delong Zhang, Jianlin Li and Dong Hui

A coordinated dispatch method with pumped-storage and battery-storage for compensating the variation of wind power

Growing penetration of wind power challenges to power system security, since the conventional generators may not have sufficient capacity to compensate wind power fluctuation plus the reverse peak regulation. ...

Authors: Jinghua Li, Sai Wang, Liu Ye and Jiakun Fang

Shifting of research trends in islanding detection method - a comprehensive survey

The augmentation in electricity demand, power system privatization as well as efficacy of renewable resources has paved the way for power system companies and researchers to exploit the field of grid connected...

Authors: Soham Dutta, Pradip Kumar Sadhu, M. Jaya Bharata Reddy and Dusmanta Kumar Mohanta

PV-based virtual synchronous generator with variable inertia to enhance power system transient stability utilizing the energy storage system

The Photovoltaic (PV) plants are significantly different from the conventional synchronous generators in terms of physical and electrical characteristics, as it connects to the power grid through the voltage-s...

Authors: Ju Liu, Dongjun Yang, Wei Yao, Rengcun Fang, Hongsheng Zhao and Bo Wang

Coordination of battery energy storage and power-to-gas in distribution systems

Concerning the rapid development and deployment of Renewable Energy Systems (RES) and Energy Storage System (ESS) including Power-to-Gas (PtG) technology can significantly improve the friendliness of the integ...

Authors: Teodor Ognyanov Trifonov

Efficient maintenance testing in digital substations based on IEC 61850 edition 2

Digital substations are mostly important in the future of the electric power industry which makes their testing a critical process to ensure the required reliability and security of the grid. The paper introdu...

Authors: Alexander Apostolov

Optimal operation modes of photovoltaic-battery energy storage system based power plants considering typical scenarios

Recent advances in battery energy storage technologies enable increasing number of photovoltaic-battery energy storage systems (PV-BESS) to be deployed and connected with current power grids. The reliable and ...

Authors: Yajing Gao, Fushen Xue, Wenhai Yang, Qiang Yang, Yongjian Sun, Yanping Sun, Haifeng Liang and Peng Li

Research on optimal configuration strategy of energy storage capacity in grid-connected microgrid

The optimal configuration of battery energy storage system is key to the designing of a microgrid. In this paper, a optimal configuration method of energy storage in grid-connected microgrid is proposed. First...

Authors: Jianlin Li, Yushi Xue, Liting Tian and Xiaodong Yuan

Optimal temporal-spatial PEV charging scheduling in active power distribution networks

The increasing penetration of a massive number of plug-in electric vehicles (PEVs) and distributed generators (DGs) into current power distribution networks imposes obvious challenges on power distribution net...

Authors: Siyang Sun, Qiang Yang and Wenjun Yan

Retraction Note: An improved under frequency load shedding strategy based on dynamic power flow tracing

Authors: Shun Li, Qingfen Liao, Dichen Liu and Bingcheng Cen

k-NN based fault detection and classification methods for power transmission systems

This paper deals with two new methods, based on k-NN algorithm, for fault detection and classification in distance protection. In these methods, by finding the distance between each sample and its fifth neares...

Authors: Aida Asadi Majd, Haidar Samet and Teymoor Ghanbari

Modeling methodology and fault simulation of distribution networks integrated with inverter-based DG

The increasing penetration of inverter-based distributed generations (DGs) significantly affects the fault characteristics of distribution networks. Fault analysis is a keystone for suitable protection scheme ...

Authors: Longchang Wang, Houlei Gao and Guibin Zou

A fast time-frequency response based differential spectral energy protection of AC microgrids including fault location

This paper proposes a pattern recognition based differential spectral energy protection scheme for ac microgrids using a Fourier kernel based fast sparse time-frequency representation (SST or simply the sparse S-...

Authors: O. Dharmapandit, R. K. Patnaik and P. K. Dash

Active-reactive scheduling of active distribution system considering interactive load and battery storage

Distributed generation (DG) are critical components for active distribution system (ADS). However, this may be a serious impact on power system due to their volatility. To this problem, interactive load and ba...

Authors: Qixin Chen, Xiangyu Zhao and Dahua Gan

Research on the protection coordination of permanent magnet synchronous generator based wind farms with low voltage ride through capability

To coordinate the protection of PMSG (permanent magnet synchronous generator), collector circuits and outgoing lines, a comprehensive and improved protection method of PMSG based wind farms with LVRT (low volt...

Authors: Renfeng Tao, Fengting Li, Weiwei Chen, Yanfang Fan, Chenguang Liang and Yang Li

Protection coordination in distribution systems with and without distributed energy resources- a review

Emission of greenhouse gases and depletion of fossil fuel reserves are two key drivers, which are forcing the mankind to generate the future energy demand from the renewable energy resources. These resources a...

Authors: Manohar Singh

Configuration and operation combined optimization for EV battery swapping station considering PV consumption bundling

Integration of electric vehicles (EVs), demand response and renewable energy will bring multiple opportunities for low carbon power system. A promising integration will be EV battery swapping station (BSS) bun...

Authors: Yu Cheng and Chengwei Zhang

Time series modeling and filtering method of electric power load stochastic noise

Stochastic noises have a great adverse effect on the prediction accuracy of electric power load. Modeling online and filtering real-time can effectively improve measurement accuracy. Firstly, pretreating and i...

Authors: Li Huang, Yongbiao Yang, Honglei Zhao, Xudong Wang and Hongjuan Zheng

A novel protection scheme for synchronous generator stator windings based on SVM

This paper proposes a novel scheme for detecting and classifying faults in stator windings of a synchronous generator (SG). The proposed scheme employs a new method for fault detection and classification based...

Authors: Magdi El-Saadawi and Ahmed Hatata

Optimal configuration analysis for a campus microgrid—a case study

The foremost issues of 21^st century are challenging demand of electrical energy and to control the emission of Green House Gases (GHG) emissions. Renewable energy resources based sustainable microgrid emerges as ...

Authors: Fahad Iqbal and Anwar Shahzad Siddiqui