Zobrazeno 1 - 10
of 459
pro vyhledávání: '"Carlo Montanari"'
Autor:
Giovanni Gardan, Gian Carlo Montanari
Publikováno v:
High Voltage, Vol 9, Iss 4, Pp 902-910 (2024)
Abstract With the increasing penetration of DC systems into the high voltage and medium voltage power industry, DC voltage is becoming common for distribution/transmission and to supply different typologies of loads. The allowable extent of AC ripple
Externí odkaz:
https://doaj.org/article/cf0dc6fc40ab45d89887e75e6027f6df
Publikováno v:
IEEE Access, Vol 12, Pp 133199-133208 (2024)
Partial discharge (PD) occurrence in high-voltage (HV) and medium-voltage (MV) power assets is a warning sign of insulation system degradation or defective manufacturing/assembly, that may cause catastrophic damage and eventually lead to the breakdow
Externí odkaz:
https://doaj.org/article/63d5bb6bfa0247c4b876bffcb47b04bd
Autor:
Giovanni Gardan, Gian Carlo Montanari
Publikováno v:
IEEE Access, Vol 12, Pp 26175-26181 (2024)
The increasing presence of HVDC (High Voltage Direct Current) links and MVDC (Medium Voltage Direct Current) connections in transmission networks needs an in-depth knowledge of the mechanisms that could affect life and reliability of electrical asset
Externí odkaz:
https://doaj.org/article/8cb9226615534d6ebddbc5bcb6c87669
Publikováno v:
Applied Sciences, Vol 14, Iss 15, p 6715 (2024)
This paper has a twofold aim. On one side, it aims to show a paramount application of an innovative approach to automatic partial discharge (PD) monitoring and analysis, referring to types of cable defects that can trigger internal and surface discha
Externí odkaz:
https://doaj.org/article/4c362715e1d049c6b4d7f31b30ed6876
Publikováno v:
High Voltage, Vol 8, Iss 4, Pp 651-658 (2023)
Abstract The design of high voltage and medium voltage AC and DC standoff insulators, and, in general, of insulation systems where surface and interface properties are predominant factors, is based on specifications and standards that rely upon long
Externí odkaz:
https://doaj.org/article/d574fa0b68bd4187b8fda1306f553941
Autor:
Gian Carlo Montanari, Muhammad Shafiq, Sukesh Babu Myneni, Maricela Lizcano, Tiffany S. Williams
Publikováno v:
Energies, Vol 17, Iss 12, p 3016 (2024)
The environmental challenges associated with high-power, high-voltage electrified aircraft require a targeted approach with regard to the development of next-generation aerospace electrical insulation. This study reports findings on polyphenylsulfone
Externí odkaz:
https://doaj.org/article/ff6e7ac39c384de2a82eb5b927d52710
Publikováno v:
High Voltage, Vol 8, Iss 1, Pp 138-148 (2023)
Abstract Diagnosing insulation intrinsic ageing is essential for preventing insulation failure of submarine cables, and in case of failure, helping in any decision about maintenance actions. In this study, a novel aged cable diagnosis approach based
Externí odkaz:
https://doaj.org/article/bfca28c4878f453685e9fd37d2bd8736
Publikováno v:
High Voltage, Vol 7, Iss 6, Pp 1185-1193 (2022)
Abstract This paper analyses the impact of square wave pulse voltage deadtime on the partial discharge (PD) and the lifetime of turn‐to‐turn insulation. A bipolar repetitive pulse voltage with a deadtime of 0–10 μs is produced using double hal
Externí odkaz:
https://doaj.org/article/919418138eb2469fbe4d80eb752b24d0
Publikováno v:
Frontiers in Materials, Vol 10 (2023)
Using mineral oil (MO) derived from petroleum, e.g., transformer insulation, raises environmental risk and affects sustainability. Due to its affordability and easy availability, MO will ineluctably be preferred over other biodegradable oils. Therefo
Externí odkaz:
https://doaj.org/article/81fc70677f4b4883a580aa35495be4ee
Autor:
Giovanni Gardan, Gian Carlo Montanari
Publikováno v:
Applied Sciences, Vol 14, Iss 1, p 201 (2023)
Partial discharge inception modeling is a powerful tool for material investigation and insulation system design in order to achieve the objective of PD-free operation of insulation systems. Model validation, however, requires accurate and repeatable
Externí odkaz:
https://doaj.org/article/b6b068de991c4bffa2cfdabdad4d3c64