Results 1 to 10 of about 11,996,404 (122)

Duval Triangle-Based Dissolved Gas Analysis using GNU Octave for Transformer Fault Detection

Aviation Electronics, Information Technology, Telecommunications, Electricals, and Controls
Transformers are vital components in electrical power systems. However, they are also susceptible to various types of failures, including thermal and electrical faults caused by the formation of electromotive force, which, if left unaddressed, may result
Ervina Galuh Ika Putri, Deria Pravitasari, Risky Via Yuliantari   +2 more
doaj   +3 more sources

Dissolved Gas Analysis of Generator Step Up Transformer in Grati Power Plant Using Random Forest Based Method

Jurnal Jaringan Telekomunikasi, 2023
Transformers are one of the important electrical equipment in the power system. To prevent some electrical contact on the component in transformers, an insulator or dielectric material is needed likely insulating oil.
Muhammad Akmal Afibuddin Putra, Rahman Azis Prasojo, Anang Dasa Novfowan, Neelmani Neelmani   +3 more
doaj   +1 more source

Gas Production by Monoester of Saturated Fatty Acids under Electrical Fault

Jurnal Nasional Teknik Elektro, 2022
This paper deals with the gas production by monoester oil intended to be used as insulating oil under an electrical discharge of low energy. The monoester contains only saturated fatty acids in its hydrocarbon chain. The electrical fault was realized by
Abdul Rajab, Dzaki Ahmad Fertoni, Riko Novendra, Husnul Fajri   +3 more
doaj   +1 more source

Conventional Dissolved Gases Analysis in Power Transformers: Review

Energies, 2023
Transformers insulated with mineral oil tend to form gases, which might be caused by system faults or extended use. Based on an evaluation of the main failure analysis techniques using combustible gases, this study reviewed the conventional techniques ...
Alcebíades Rangel Bessa, Jussara Farias Fardin, Patrick Marques Ciarelli, Lucas Frizera Encarnação   +3 more
doaj   +1 more source

IOT based classification of transformer faults using emerging techniques of E-nose and ANFIS

Frontiers in Energy Research, 2022
E-Nose finds its use in a wide range of applications such as quality assessment in food processing to toxic gas identification in chemical industry either in the offline or online mode.
Md. Danish Equbal, Md. Manzar Nezami, Hythem Hashem, Mohit Bajaj, Tahir Khurshaid, Sherif S. M. Ghoneim, Salah Kamel   +6 more
doaj   +1 more source

Investigation on gas generation characteristics in transformer oil under vibration

IET Generation, Transmission & Distribution, 2022
Operating experience has shown that characteristic gases can be found in oil‐immersed power transformers and high‐voltage reactors under strong vibration without discharge or thermal faults occurring.
Chong Guo, Qiaogen Zhang, Rui Zhang, Xiaohui He, Zhicheng Wu, Tao Wen   +5 more
doaj   +1 more source

Adaptive Dynamic Meta-Heuristics for Feature Selection and Classification in Diagnostic Accuracy of Transformer Faults

IEEE Access, 2021
Detection of transformer faults avoids the transformer’s undesirable loss from service and ensures utility service continuity. Diagnosis of transformer faults is determined using dissolved gas analysis (DGA).
Sherif S. M. Ghoneim, Tamer Ahmed Farrag, A. Ali Rashed, El-Sayed M. El-Kenawy, Abdelhameed Ibrahim   +4 more
doaj   +1 more source

Stratifying transformer defects through modelling and simulation of thermal decomposition of insulating mineral oil

Automatika, 2023
The current work aims to propose an adequate thermodynamic model, in addition to proposing and evaluating two composite models for the thermal decomposition of insulating mineral oil (IMO), considering that the models based on classical diagnostic ...
A. Manjula, Sangeetha S, Mustafa Musa Jaber, Hamad Mohamad A.A, Santosh Kumar Sahu, Rajesh Verma, Prashant Vats   +6 more
doaj   +1 more source

Fault diagnosis of transformer using artificial intelligence: A review

Frontiers in Energy Research, 2022
Transformer is one of the important components of the power system, capable of transmitting and distributing the electricity generated by renewable energy sources.
Yan Zhang, Yufeng Tang, Yongqiang Liu, Zhaowen Liang   +3 more
doaj   +1 more source

Diagnosing the type and location of the transformer fault by analyzing the dissolved gas using fuzzy logic [PDF]

هوش محاسباتی در مهندسی برق
There are many methods to diagnose transformer faults, including dissolved gas analysis (DGA), done in two conventional and smart ways. This paper presents a new method based on fuzzy logic and 5 DGA methods (key gas method, Durenberg's ratio method ...
Mohamad Beiranvand, Asghar Akbari Froud
doaj   +1 more source