Zobrazeno 1 - 10
of 335
pro vyhledávání: '"frequency nadir"'
Publikováno v:
Frontiers in Energy Research, Vol 12 (2024)
As the proportion of renewable energy and power electronics equipment continues to rise, the level of rotational inertia decreases considerably, resulting in severe frequency stability challenges to the power grid. It is of great significance to accu
Externí odkaz:
https://doaj.org/article/297f2917a68349edb8c48f18e2cbc57e
Publikováno v:
Frontiers in Energy Research, Vol 12 (2024)
Photovoltaic (PV) systems offer cost-effective power solutions for outlying islands but often compromise system stability due to reduced inertia. This study introduces a Virtual Synchronous Generator (VSG) control strategy, integrated with Energy Sto
Externí odkaz:
https://doaj.org/article/4165c2ca8f38434c9fe5fd5de2ff6d22
Publikováno v:
IET Renewable Power Generation, Vol 18, Iss 7, Pp 1218-1229 (2024)
Abstract To enhance the resilience of transmission systems with offshore wind farms before the advent of typhoons, a proactive unit commitment scheme is proposed. A novel scenario tree is proposed to quantify the uncertain impacts of typhoons on offs
Externí odkaz:
https://doaj.org/article/cb6123a40b4e426084ea71aef74f7949
Publikováno v:
International Journal of Electrical Power & Energy Systems, Vol 158, Iss , Pp 109939- (2024)
With the rapid increase of wind energy integrated into power systems, wind turbine generators (WTGs) are required to provide frequency support to maintain the system frequency stability. However, the frequency regulation is achieved by employing temp
Externí odkaz:
https://doaj.org/article/0cd328adeeaf4dbdae9b2160317ded5a
Autor:
Qiang Zhang, Xinwei Li, Guorong Lan, Xiangxu Wang, Jiakai Shen, Hui Zeng, Peng Yuan, Xiaoheng Zhang, Weidong Li
Publikováno v:
IEEE Access, Vol 12, Pp 107645-107655 (2024)
Frequency spatial distribution characteristics of interconnected power systems are highlighted, resulting in significant regional frequency differences and inter-region tie-line power fluctuations, posing a threat to frequency security operation. For
Externí odkaz:
https://doaj.org/article/d92746327aae407ea5a01ec21a3f79ec
Publikováno v:
IEEE Open Access Journal of Power and Energy, Vol 11, Pp 141-153 (2024)
The process of energy decarbonization in island power systems is accelerated due to the swift integration of inverter-based renewable energy resources (IBRs). The unique features of such systems, including rapid frequency changes resulting from poten
Externí odkaz:
https://doaj.org/article/f835c803d7fc467389c7800202f80a59
Publikováno v:
Frontiers in Energy Research, Vol 12 (2024)
The online prediction of power system dynamic frequency helps to guide the choice of control measures quickly and accurately after a disturbance, and this then ensures the reliable and stable operations of a power system. However, the prediction perf
Externí odkaz:
https://doaj.org/article/ddf893b904b540e3873c81ad463dc858
Publikováno v:
Protection and Control of Modern Power Systems, Vol 8, Iss 1, Pp 1-21 (2023)
Abstract In this paper, a virtual synchronous generator (VSG) controller is applied to a hybrid energy storage system (HESS) containing a battery energy storage system and supercapacitor storage system for maintaining the frequency stability of an is
Externí odkaz:
https://doaj.org/article/c622961afd1c4276bd212f26c37f7fbb
Publikováno v:
Energy Reports, Vol 10, Iss , Pp 1268-1286 (2023)
The frequency performance of a power grid is effectively maintained through the utilization of inertia and power reserve provided by synchronous generators. The growing concerns surrounding global warming and the greenhouse effect have led to a signi
Externí odkaz:
https://doaj.org/article/821e0bf1eb9242fb8a2a4a9deb9358a6
Publikováno v:
Energy Reports, Vol 9, Iss , Pp 1374-1383 (2023)
For power systems to manage a variety of renewable energy sources while securing system stability and reliability, more resources are required. However, due to the interaction of the frequency response resources, determining the appropriate resources
Externí odkaz:
https://doaj.org/article/49d8488f206e41ada5c89fc31e48fc44