Izvorni znanstveni članak
https://doi.org/10.1080/00051144.2023.2197821
Stratifying transformer defects through modelling and simulation of thermal decomposition of insulating mineral oil
A. Manjula
; Department of Electrical and Electronics Engineering, Mohamed Sathak Engineering College, Kilakarai, India
S. Sangeetha
; Department of Marine Engineering, AMET University, Chennai, India
Mustafa Musa Jaber
; Department of Medical instruments engineering techniques, Al-Farahidi University, Baghdad, Iraq
A.A. Hamad Mohamad
; Department of Physics, College of Education, Samarra University, Iraq
Santosh Kumar Sahu
; Department of Mechanical Engineering, Veer SurendraSai University of Technology, Burla, India
Rajesh Verma
; Department of Electrical Engineering, College of Engineering, King Khalid University, Abha, Kingdom of Saudi Arabia
Prashant Vats
; Department of CSE, SCSE, Manipal University Jaipur, Jaipur, Rajasthan, India
Sažetak
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 methods do not have the ability to satisfactorily reproduce empirical data. The simulation results obtained using the proposed model showed better agreement with the presented data than the results obtained using classical models. The proposed model was also used in the development of a phenomenological based diagnostic method. The characteristics of this new phenomenological proposal and the classical diagnostic methods of dissolved gas analysis are compared and discussed; the proposed method showed better performance when compared to Rogers, Doernenburg, or IEC and equivalent performance to Duval triangle method commonly used in this field of knowledge. The general procedure for applying the new diagnostic method is also described. In order to account for the event's dynamics, the suggested model in particular made it feasible to replicate intermediate scenes of equilibrium C(s). Compared to the findings from the classical models found in the literature, the two-dimensional simulation results generated with this model demonstrated a better agreement with the actual data.
Ključne riječi
Dissolved gas; Insulating mineral oil; incipient defects; Sum of squares of the relative residuals
Hrčak ID:
315930
URI
Datum izdavanja:
24.5.2023.
Posjeta: 45 *