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Publikováno v:
High Voltage, Vol 9, Iss 4, Pp 939-947 (2024)
Abstract The introduction of antiferroelectric filler AgNbO3 into the polyvinylidene fluoride (PVDF) polymer matrix enhances its energy storage properties of PVDF. However, AgNbO3 and PVDF matrix are incompatible due to their distinct physical and ch
Externí odkaz:
https://doaj.org/article/9dc605d0105e454bbda182dc0c07ad40
Publikováno v:
High Voltage, Vol 9, Iss 4, Pp 888-901 (2024)
Abstract Long‐term exposure to moisture leads to a gradual deterioration of performance and reduced service life of glass fibre‐reinforced epoxy resin (GFRP) material in composite insulators. Therefore, it is necessary to analyse the moisture abs
Externí odkaz:
https://doaj.org/article/ac405e4a6c4b40d1b20d9287b14c92af
Publikováno v:
High Voltage, Vol 9, Iss 4, Pp 920-929 (2024)
Abstract Understanding the impulse discharge behaviour of natural ester (NE) is crucial for its safe application in high‐voltage transformers. The ionisation potential (IP) of triglycerides plays a significant role in the process of molecular ionis
Externí odkaz:
https://doaj.org/article/a1aa9510cd1b49168a05506abe1c1b7b
Publikováno v:
High Voltage, Vol 9, Iss 4, Pp 862-869 (2024)
Abstract C6F12O is proposed to be one potential eco‐friendly insulation gas to replace SF6. However, the assessment of its decomposition properties and the compatibility with metal electrodes in discharge faults is still challenging, which greatly
Externí odkaz:
https://doaj.org/article/c490c39e5cb14b67b4d5f9aa2184a1db
Publikováno v:
High Voltage, Vol 9, Iss 4, Pp 853-861 (2024)
Abstract End turn grading with resistive–capacitive coupling experiences severe electrothermal stress when subjected to pulse width modulation (PWM) voltage. In this paper, several experiments and simulations were carried conducted for four types o
Externí odkaz:
https://doaj.org/article/af48aa57bb7f43d8966cc84ce596e61a
Publikováno v:
High Voltage, Vol 9, Iss 4, Pp 930-938 (2024)
Abstract Ionic liquid (IL) as the dispersant can help disperse the organic nanofillers to improve the performance of epoxy resin remarkably. However, the effect of IL on the electrical properties of epoxy composites is not well documented. This compr
Externí odkaz:
https://doaj.org/article/d399fcb6520d48aea6425fc8eeb6c0b0
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:
High Voltage, Vol 9, Iss 4, Pp 948-956 (2024)
Abstract The authors investigate the effects of nanofillers with varying band‐gap energies on the space charge properties, breakdown field strength, and bulk resistivity of epoxy (EP)‐based composites. Additionally, the molecular orbital distribu
Externí odkaz:
https://doaj.org/article/c920cc14e1754d5ca9620dd88f86a538
Publikováno v:
High Voltage, Vol 9, Iss 4, Pp 786-793 (2024)
Abstract In the detection of multi‐component gas based on tunable diode laser absorption spectroscopy (TDLAS), the problem of overlapping interference between the absorption lines of each gas is often encountered. For example, when detecting a gas
Externí odkaz:
https://doaj.org/article/bc13bec2430b4490a9e78c0fcafa1a7c
Autor:
Xu Zhang, Chorphaka Plaengpraphan, Chengxing Lian, Wenyuan Li, Qinghua Han, Simon M. Rowland, Ian Cotton, Qi Li
Publikováno v:
High Voltage, Vol 9, Iss 4, Pp 763-772 (2024)
Abstract It has been shown that noise emissions from HV overhead line conductors can be reduced under rain conditions by making their surfaces superhydrophobic. The working environment makes ensuring the longevity of any treatment a major challenge.
Externí odkaz:
https://doaj.org/article/e5ffe134e0174bc99377ea19e9a71bab