Article
Automation & Control Systems
Mohsen Tajdinian, Haidar Samet
Summary: This article proposes a new algorithm based on Kullback-Leibler divergence (KLD) for discriminating inrush and internal fault currents in power transformers. By utilizing the discrepancy of current signal distribution with ideal fault current waveforms, the algorithm generates a differential current signal and applies it to the KLD indicator for discrimination. Additionally, an internal/external identification index is introduced to distinguish internal and external faults based on the phase content of signals, especially in cases of CT saturation.
IEEE TRANSACTIONS ON INDUSTRIAL ELECTRONICS
(2022)
Article
Engineering, Electrical & Electronic
Ali Sahebi, Hossein Askarian-Abyaneh, Seyed Hossein Hesamedin Sadeghi, Haidar Samet, Om Parkash Malik
Summary: This paper presents a simple and practical method for differential relays. It uses a classifying algorithm to categorize the input signal and selects the best method for the relay, combining the advantages of harmonic-based and gap-detection methods while avoiding their drawbacks.
IET GENERATION TRANSMISSION & DISTRIBUTION
(2023)
Article
Computer Science, Information Systems
Ester Hamatwi, Odunayo Imoru, Matheus M. M. Kanime, Hitila S. A. Kanelombe
Summary: This study compared the performance of three high impedance fault detection techniques in a distribution network and identified the power spectrum technique as the most suitable for detecting faults. The techniques were evaluated based on accuracy, processing time, and fault detection margin. The power spectrum technique achieved 100% accuracy, shorter processing time, and larger fault detection margin.
Article
Engineering, Electrical & Electronic
M. N. O. Aires, R. P. Medeiros, F. B. Costa, K. M. Silva, J. J. Chavez, M. Popov
Summary: This study introduces a restricted earth fault protection based on the wavelet transform for detecting ground faults near the transformer neutral point, achieving a success rate of 100% and outperforming conventional methods in efficiency and speed.
ELECTRIC POWER SYSTEMS RESEARCH
(2021)
Article
Engineering, Electrical & Electronic
Cesar Galvez, Ali Abur
Summary: This paper presents a robust fault location method that can be used for both radial and meshed power systems. The method addresses several challenges encountered in previous work, such as signal attenuation, measurement errors, the impact of Inverter Based Power Sources (IBPSs), and differentiating faults from other events. By using KMeans clustering of DFRs and a weighted directed tree model, the proposed algorithm enables accurate fault location. The algorithm is tested on both transmission and distribution systems under different fault scenarios.
IEEE TRANSACTIONS ON SMART GRID
(2022)
Article
Engineering, Electrical & Electronic
Jiexiang Han, Zhe Zhang, Yongxin Chen, Xianggen Yin, Qisheng Ran
Summary: This paper investigates the protection of power electronic transformers (PETs) in AC/DC hybrid distribution networks. Internal faults of PETs are classified based on fault positions and fault forms, and the characteristics and hazards of different types of internal faults are analyzed and compared with external faults. The impacts of grounding mode, control mode, power direction, and load level are considered in fault analysis. An integrated protection system is established for PETs, with proposed principles and criteria for each protection relay based on fault characteristics. Simulation tests verify the correctness and effectiveness of the fault analysis results and protection principles.
INTERNATIONAL JOURNAL OF ELECTRICAL POWER & ENERGY SYSTEMS
(2022)
Article
Energy & Fuels
Muhammad Sheryar, Muhammad Ahsan Ali, Farhana Umer, Zeeshan Rashid, Muhammad Amjad, Zunaib Maqsood Haider, Muhammad Omer Khan
Summary: Differential protection is commonly used to detect short circuits and ground faults, but it is difficult to detect inter-turn faults. This paper proposes a protection-based stability method that verifies the effectiveness of differential protection and high-impedance differential protection by applying external voltages to the low-voltage side of the transformer.
Article
Engineering, Electrical & Electronic
Ricardo Granizo Arrabe, Jose M. Guerrero Granados, Fernando Alvarez Gomez, Carlos A. Platero Gaona
Summary: Ground faults are a major cause of electrical failure in transmission and distribution systems. Detecting the location of the first ground fault in ungrounded distribution networks is challenging, making it necessary to develop a selective and directional protection method. This paper introduces a new method that evaluates residual currents and reference currents to determine the faulty line. The method is easy to implement and provides an economical solution.
IEEE TRANSACTIONS ON POWER DELIVERY
(2022)
Article
Engineering, Electrical & Electronic
T. Y. Ji, C. Mo, L. L. Zhang, Q. H. Wu
Summary: This paper proposes a duty cycle-based scheme to further upgrade the performance of differential protection. By calculating the duty cycles of square waves and presenting three criteria to quantify the differences between the duty cycles of disturbances and faults, the proposed scheme combines these criteria with the second harmonic restraint to form a new protection scheme.
IEEE TRANSACTIONS ON POWER DELIVERY
(2022)
Article
Automation & Control Systems
Seyed-Alireza Ahmadi, Majid Sanaye-Pasand, Moein Abedini
Summary: The ultimate goal of power transformer protection system is to detect internal faults quickly and reliably, while remaining stable for external faults and transients. This article introduces a new protection paradigm based on fusing the decision of independent protection functions, which improves the operation speed and dependability of the system.
IEEE TRANSACTIONS ON INDUSTRIAL ELECTRONICS
(2023)
Article
Engineering, Electrical & Electronic
Ji-Sol Jeong, Hyo-Sang Choi
Summary: This paper compares and analyzes the operating characteristics of the transformer-type superconducting DC circuit breaker, and proposes the addition of a neutral line to solve the problem of unbalanced quench of the superconducting element.
IEEE TRANSACTIONS ON APPLIED SUPERCONDUCTIVITY
(2022)
Article
Engineering, Multidisciplinary
Subhamita Roy, Sudipta Debnath
Summary: The study proposes an algorithm for HIF detection and classification in distribution systems based on power spectral density calculation. By utilizing discrete wavelet transform to separate time and frequency information, this technique offers fast and accurate fault detection and classification with high practical value.
Article
Engineering, Electrical & Electronic
Rodrigo Prado Medeiros, Flavio Bezerra Costa, Kleber Melo Silva, Jose de Jesus Chavez Muro, Jose Raimundo Lima Junior, Marjan Popov
Summary: In this paper, a novel time-domain power transformer differential protection method based on Clarke and wavelet transforms is proposed. The performance validation and implementation in a real-time digital simulator demonstrate the efficiency and feasibility of the method.
IEEE TRANSACTIONS ON POWER DELIVERY
(2022)
Article
Engineering, Electrical & Electronic
Zahra Babaei, Mohamad Moradi
Summary: This study introduces a novel algorithm for power transformer differential protection, which can accurately differentiate internal faults from magnetizing inrush currents through wavelet transform technology. The algorithm is based on the synchronization of maximum or minimum points between the wavelet coefficients of the differential current and the flux of the transformer.
IRANIAN JOURNAL OF SCIENCE AND TECHNOLOGY-TRANSACTIONS OF ELECTRICAL ENGINEERING
(2021)
Article
Engineering, Electrical & Electronic
Fang Peng, Houlei Gao, Jiakai Huang, Yifei Guo, Yiqing Liu, Yongfeng Zhang
Summary: This article proposes a power differential protection scheme based on the fault component network (FCN) to protect transformers from misoperation caused by inrush currents during transformer energization. The scheme analyzes the fault component differential power (FCDP) under different conditions and develops a removal algorithm of decaying direct current (DDC) offset to accurately estimate the FCDP. The performance of the scheme is validated through simulations, experiments, and real recording data.
IEEE TRANSACTIONS ON POWER DELIVERY
(2023)
Article
Engineering, Electrical & Electronic
Daniel Guillen, Christian Salas, Luis Fernando Sanchez-Gomez, Luis M. Castro
IET GENERATION TRANSMISSION & DISTRIBUTION
(2020)
Article
Computer Science, Hardware & Architecture
Vicente Torres-Garcia, Daniel Guillen, Jimena Olveres, Boris Escalante-Ramirez, Juan R. Rodriguez-Rodriguez
COMPUTERS & ELECTRICAL ENGINEERING
(2020)
Article
Engineering, Electrical & Electronic
Daniel Guillen, Christian Salas, Frederic Trillaud, Luis M. Castro, Andre Tiago Queiroz, Guilherme Goncalves Sotelo
ELECTRIC POWER SYSTEMS RESEARCH
(2020)
Article
Engineering, Electrical & Electronic
Luis M. Castro, N. Gonzalez-Cabrera, D. Guillen, J. H. Tovar-Hernandez, G. Gutierrez-Alcaraz
ELECTRIC POWER SYSTEMS RESEARCH
(2020)
Article
Engineering, Electrical & Electronic
Jonathan C. Mayo-Maldonado, Jesus E. Valdez-Resendiz, D. Guillen, Mohini Bariya, Alexandra von Meier, Ernesto A. Salas-Esquivel, Aminy Ostfeld
IEEE TRANSACTIONS ON INSTRUMENTATION AND MEASUREMENT
(2020)
Article
Engineering, Electrical & Electronic
H. Alberto Jimenez, D. Guillen, R. Tapia-Olvera, Gerardo Escobar, F. Beltran-Carbajal
Summary: This paper proposes a new time-domain method for fault detection and location in alternating current multi terminal transmission lines based on wavelet analysis. The proposed algorithm enhances detection time and diminishes error of fault location, achieving reliable and accurate performance under different fault scenarios compared to conventional protection algorithms. Experimental results validate the main advantages of this approach.
ELECTRIC POWER SYSTEMS RESEARCH
(2021)
Article
Automation & Control Systems
Daniel Guillen, Jose Antonio de la O. Serna, Alejandro Zamora-Mendez, Mario R. Arrieta Paternina, Fernando Salinas
Summary: The article proposes a new method for fault detection and classification using a Taylor-Fourier filter-bank with O-splines, which has been validated in different scenarios of high voltage transmission line faults. The method employs a multiresolution approach and specific bandpass filter design to improve fault detection accuracy. Results confirm significant advantages of reduced detection time and outstanding classification performance.
IEEE TRANSACTIONS ON INDUSTRIAL INFORMATICS
(2021)
Article
Engineering, Electrical & Electronic
V. H. Gonzalez-Sanchez, V. Torres-Garcia, D. Guillen
Summary: This study presents a protection scheme for AC transmission lines based on traveling wave propagation, which accurately estimates fault distance by analyzing the correlation between forward and backward waves. The algorithm is validated through simulation experiments and shows good results, compared with the MODWT technique.
ELECTRIC POWER SYSTEMS RESEARCH
(2021)
Article
Engineering, Electrical & Electronic
Daniel Guillen, Gerardo Escobar, Armando Llamas, Jonathan C. Mayo-Maldonado
Summary: This study proposes a novel method to identify the source of current unbalance using sequence impedance matrices, which proves to be accurate in detecting and identifying the cause of unbalance across a wide range of power consumption levels.
IEEE TRANSACTIONS ON POWER DELIVERY
(2021)
Article
Energy & Fuels
Daniel Guillen, Jimena Olveres, Hector Esponda, Boris Escalante-Ramirez, V. Torres-Garcia, R. Tapia-Olvera
Summary: This study introduces a new method based on Hermite transform to identify transient events in power transformers. By analyzing signals using a differential scheme with three functions, the proposed method improves the performance of differential protection in discriminating transient conditions from internal faults.
SUSTAINABLE ENERGY GRIDS & NETWORKS
(2021)
Article
Mathematics
David Rivera, Daniel Guillen, Jonathan C. Mayo-Maldonado, Jesus E. Valdez-Resendiz, Gerardo Escobar
Summary: This work proposes a data-driven approach to control AC voltage through a STATCOM for improving dynamic grid performance in transient scenarios. The robustness of the proposed scheme is proven with several tests carried out using Matlab/Simulink software. The controller synthesis is numerical and does not require prior knowledge of the system, ensuring stability by satisfying Lyapunov conditions.
Article
Energy & Fuels
Francisco Gonzalez-Longatt, Choidorj Adiyabazar, Ernesto Vazquez Martinez
Summary: Modern distance relays have integrated various protection functions, including power-swing blocking and out-of-step or pole-slip tripping functions. The study proposes a detailed method for setting calculation of out-of-step protection, successfully applied at the interconnection between Russian and Mongolian power systems. Testing the settings using recordings of major events in 2018 demonstrated the appropriate performance of the proposed settings.
Article
Automation & Control Systems
Luis Ibarra, Daniel Guillen, Juan Aviles, Pedro Ponce, Arturo Molina
Summary: Phasor estimation is crucial for real-time analysis, monitoring, and control tasks in power systems, with new applications like microgrids and active distribution networks increasing its importance and prompting research efforts to improve known techniques or develop new algorithms. The reworked Fourier filter under the Hilbert space power theory shows advantages over conventional techniques in active distribution network systems, offering better dynamic performance and overshoot in relevant scenarios such as impedance estimation, grid monitoring, and fault location.
IEEE TRANSACTIONS ON INDUSTRIAL INFORMATICS
(2022)
Article
Computer Science, Information Systems
Enrique Garza-Arias, Julio C. Rosas-Caro, Jesus E. Valdez-Resendiz, Jonathan C. Mayo-Maldonado, Gerardo Escobar-Valderrama, Daniel Guillen, Alma Rodriguez
Summary: This paper introduces a new single switch DC-DC fourth-order boost converter, which achieves a smaller input current ripple with the use of smaller components, compared to the existing super-boost converter. Experimental results confirm the benefits of the proposed converter topology.
Article
Computer Science, Information Systems
Gerardo Escobar, Luis Ibarra, Jesus Elias Valdez-Resendiz, Jonathan Carlos Mayo-Maldonado, Daniel Guillen
Summary: This paper discusses the importance and challenges of phase-locked loop systems in grid synchronization, as well as the limitations of current methods. Global stability tests and new robust PLL gain tuning guidelines are proposed to address these issues.
