Abstract: Petroleum-based mineral oil is being used dominantly as transformer oil for more than a century for its excellent dielectric properties. Taking into account the source is derived from ...

Abstract: Dissolved gas analysis (DGA)in power transformers is related to the degradation of insulation materials and dissolved methane (CH 4)is a symbol gas of low energy electrical or thermal faults ...

Abstract: Prebreakdown current, photo current, and light emission are measured simultaneously in transformer oil under nonuniform fields. For a negative needle point, the light emission is divided ...

3,200 relay: Oil City 9:06.56; high jump: Thompson (OC) 5-11; long jump: Stephens (OC) 18-10 1/2; triple jump: Stephens (OC) 41-6; pole vault: Bayle (Cy) 10-0; discus: Hasbrouck (Cy) 131-1 ...

3,200 relay: Oil City 9:06.56; high jump: Thompson (OC) 5-11; long jump: Stephens (OC) 18-10 1/2; triple jump: Stephens (OC) 41-6; pole vault: Bayle (Cy) 10-0; discus: Hasbrouck (Cy) 131-1; javelin: ...

Abstract: This paper reviews the use of fuzzy logic (FL) for dissolved gas analysis (DGA) of mineral oil for power transformer fault diagnosis (PTFD). A brief overview of conventional PTFD techniques ...

State Key Laboratory of Power Grid Environmental Protection, China Electric Power Research Institute Wuhan Branch, Wuhan 430074, P. R. China Key Laboratory of Material Chemistry for Energy Conversion ...

An RUL estimation method for power transformer taking into account of key components, especially insulation component, is proposed. Firstly, degradation indicator of insulation unit is calculated by ...

Abstract: Complex experimental studies of the discharge mechanism in transformer oil under positive lightning impulse were carried out using alternative diagnostic methods. An attempt to establish a ...

Abstract: This paper presents a 3-D coupled electromagnetic-fluid-thermal analysis method for temperature rise prediction in oil-immersed triangular wound core transformer. The temperatures rising ...

Abstract: This paper investigates the impact of conducting materials on the correlation of furan concentration in transformer oil and its spectral response characteristic. The presence of furan ...