Zobrazeno 1 - 10
of 2 533
pro vyhledávání: '"tap-changer"'
Publikováno v:
Zhejiang dianli, Vol 43, Iss 10, Pp 124-132 (2024)
To address the issues of limited functionality and poor dynamic characteristics in traditional on-load tap changer transformers， this paper proposes a topological structure for a hybrid on-load tap changer transformer. This structure combines the e
Externí odkaz:
https://doaj.org/article/5c82fd17986e4796a1c944c304b09f17
Publikováno v:
Frontiers in Energy Research, Vol 12 (2024)
Large-scale distributed renewable energy in the distribution network can result in reliability issues such as exceeding voltage limits and overloading power lines. Additionally, the rapid growth of electric vehicles has caused a surge in power demand
Externí odkaz:
https://doaj.org/article/b130dcb41ed04b25a6e951e39f1b452d
Publikováno v:
Frontiers in Energy Research, Vol 12 (2024)
With the connection and integration of renewable energy, the on-load tap-changer (OLTC) has become an important device for regulating voltage in distribution networks. However, due to non-smooth and non-linear characteristics of OLTC, traditional bad
Externí odkaz:
https://doaj.org/article/7c7d4473fb2240c495f8c1e440152b29
Publikováno v:
International Journal of Electrical Power & Energy Systems, Vol 158, Iss , Pp 109904- (2024)
On-Load Tap-Changer (OLTC) is the only core equipment in the ultra-high voltage (UHV) converter transformer that moves frequently, and flexible connection structure (FCS) is the moveable actuating part of the vacuum interrupter drive mechanism of OLT
Externí odkaz:
https://doaj.org/article/78cd148b89514fb1a93e5e9b6830c14e
Publikováno v:
IEEE Access, Vol 12, Pp 164520-164531 (2024)
Variation in short-circuit levels (SCLs) caused by the occasional operation of on-load tap-changers (OLTCs) presents a significant challenge in maintaining protection coordination in distribution networks (DNs), especially where the integration of di
Externí odkaz:
https://doaj.org/article/e72d5a02863e4471a8f23b83b2144428
Publikováno v:
IEEE Access, Vol 12, Pp 76744-76752 (2024)
This paper shows that since high penetration level of distributed generations (DGs) makes the protection coordination complicated in active electrical grids, selectivity task among relays pairs can be easily affected by on-load tap changer (OLTC) tap
Externí odkaz:
https://doaj.org/article/33ed1124512b4bf0930dd0b4f69fb1a6
Publikováno v:
Energies, Vol 17, Iss 22, p 5749 (2024)
The paper proposes a new local method of controlling the on-load tap changer (OLTC) of a transformer to mitigate negative voltage phenomena in low-voltage (LV) networks with a high penetration of photovoltaic (PV) installations. The essence of the me
Externí odkaz:
https://doaj.org/article/ee803d20419844a7aa2ec0c2096a432c
Autor:
Kewen Li, Xinhao Lin, Wei Zhang, Lei Yu, Qianyi Chen, Yinliang Liu, Shifeng Ou, Min Xu, Junhao Li
Publikováno v:
Frontiers in Energy Research, Vol 12 (2024)
Introducing solar and wind power into distribution networks (DNs) is an important initiative to promote the cleanliness and low-carbonization operation of DNs. However, the source and load outputs are uncertain in DNs, which will lead to problems of
Externí odkaz:
https://doaj.org/article/45f3835a4b3842be801c773ece2ace60
Publikováno v:
Energy Reports, Vol 9, Iss , Pp 245-254 (2023)
With the development of society, the demand for electric energy is growing day by day. However, the energy centers and load centers are geographically distributed in a reverse direction, so the power supply and demand are unbalanced. High voltage tra
Externí odkaz:
https://doaj.org/article/c4ca2f0d576949aaad67b4a12e995952
Publikováno v:
电力工程技术, Vol 42, Iss 4, Pp 248-255 (2023)
Vibration signals associated with on-load tap-changer (OLTC) gear switching is closely related to its mechanical state. Based on the high-dimensional phase point spatial distribution of the vibration signal of OLTC, the vibration signals at multiple
Externí odkaz:
https://doaj.org/article/70cae4024f0f48f189526be85b4153f7