Zobrazeno 1 - 10
of 761
pro vyhledávání: '"RoCoF"'
Publikováno v:
Electricity, Vol 5, Iss 3, Pp 662-683 (2024)
Modern power systems are growing in complexity due to the installation of large generators, long transmission lines, the addition of inertialess renewable energy resources (RESs) with zero inertia, etc., which can all severely degrade the system freq
Externí odkaz:
https://doaj.org/article/97e4c6cb3ce9423f84f1985afebf4a95
Publikováno v:
IEEE Access, Vol 12, Pp 104542-104554 (2024)
With the increasing proliferation of photovoltaic (PV) and wind power globally, frequency regulation by balancing generation and load in power systems is becoming increasingly difficult owing to reductions in dispatchable power and inertia. One count
Externí odkaz:
https://doaj.org/article/c149d0264d6c4431a9e810dc30b11511
Publikováno v:
电力工程技术, Vol 43, Iss 1, Pp 41-49 (2024)
The increase of new energy permeability increases the complexity of power system frequency control. Frequency regulation assisted by energy storage can alleviate this problem to some extent. However, due to the security and economic constraints of en
Externí odkaz:
https://doaj.org/article/f35d8558f1dc4761ba38266232121f64
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:
Energy Strategy Reviews, Vol 52, Iss , Pp 101337- (2024)
The crux to meet the daily exponential growth in power demand and reduce the carbon footprint has seen to rejuvenate the consideration of large-scale renewable energy penetration (LsREP) in the power grid. Conversely, the emergence of the LsREP in th
Externí odkaz:
https://doaj.org/article/9270ba636fb94775ad2a9173dcc038a5
Publikováno v:
电力工程技术, Vol 42, Iss 6, Pp 161-169 (2023)
The frequency stability of the wind power grid-connected system may be improved by the participation of wind turbines in frequency regulation. However, it is difficult for the existing droop control to coordinate the frequency response characteristic
Externí odkaz:
https://doaj.org/article/001f6de5fb604b7cafd78e6a85d8809b
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:
IET Generation, Transmission & Distribution, Vol 17, Iss 20, Pp 4627-4646 (2023)
Abstract With the rapid increase of wind power penetration, the frequency indicators of power system, encompassing frequency deviation and rate of change of frequency (RoCoF), are prone to exceed the pertinent relay thresholds, thus leading to seriou
Externí odkaz:
https://doaj.org/article/1943b6f9afe747e99c8894a797ffa3b5
Publikováno v:
Journal of Operation and Automation in Power Engineering, Vol 11, Iss 1, Pp 39-49 (2023)
The power system in upcoming years will face issues of power frequency instability due to an increase in the share of Renewable Energy Sources (RES). The RESs are integrated into the power system through the power electronic converters. The operation
Externí odkaz:
https://doaj.org/article/3e5c421ab5f94552b53dd99f44739d7b