Zobrazeno 1 - 10
of 787
pro vyhledávání: '"primary frequency regulation"'
Publikováno v:
Zhejiang dianli, Vol 43, Iss 11, Pp 26-35 (2024)
Wind turbines can contribute to frequency regulation by releasing rotor kinetic energy， which is an effective way to ensure frequency stability in power systems with high wind power penetration. However， the rotor speed recovery process may cause
Externí odkaz:
https://doaj.org/article/ea70c109cce64948a29bbb44eb50f4d3
Publikováno v:
电力工程技术, Vol 43, Iss 5, Pp 122-130 (2024)
With the gradual increase of the proportion of renewable energy in the power system, the risk of frequency fluctuation in the power system increases. Flywheel and lithium battery can complement each other as hybrid energy storage applied in the prima
Externí odkaz:
https://doaj.org/article/94ba9250f4064bc19e2e1dbde2aaaadf
Publikováno v:
Frontiers in Energy Research, Vol 12 (2024)
As the penetration rate of renewable energy in the power grid continues to rise, the reserve criteria for traditional power grids dominated by synchronous generators (SGs) have difficulty meeting system frequency security requirements. This study pro
Externí odkaz:
https://doaj.org/article/78d482a469a84f3a8a87fab472fa4e88
Publikováno v:
Zhejiang dianli, Vol 43, Iss 7, Pp 45-55 (2024)
The frequency regulation capability of wind turbines is insufficient to satisfy the needs of grid frequency regulation. The characteristics of energy storage， such as flexible control， substantial throughput capacity， and rapid response rates
Externí odkaz:
https://doaj.org/article/898bd9d43c8e4c5599454d87c8e3944b
Publikováno v:
电力工程技术, Vol 43, Iss 2, Pp 154-162 (2024)
Aiming at the problem of insufficient primary frequency regulation resources of power grid in the future, an adaptive control strategy based on charging and discharging margin is proposed for virtual energy storage of electric vehicle aggregation to
Externí odkaz:
https://doaj.org/article/b6cdc2dc533848e4b1db2fcde771bd46
Publikováno v:
Frontiers in Energy Research, Vol 12 (2024)
Due to the fast response characteristics of battery storage, many renewable energy power stations equip battery storage to participate in auxiliary frequency regulation services of the grid, especially primary frequency regulation (PFR). In order to
Externí odkaz:
https://doaj.org/article/b94bd371dbdc41a0b6ace0aa78aa9e21
Publikováno v:
Case Studies in Thermal Engineering, Vol 57, Iss , Pp 104312- (2024)
Coal-fired units play a critical role in peak-shaving and frequency regulation with high penetration of renewable energy. The coal-fired unit arranged by high-low position shafts applied in power stations will participate in these regulation processe
Externí odkaz:
https://doaj.org/article/501c1f8422934fd88edb13a6e6a558e7
Publikováno v:
CSEE Journal of Power and Energy Systems, Vol 10, Iss 5, Pp 2127-2137 (2024)
Battery hybridization in hydropower plants is a hydropower flexibility enhancement technology innovation that can potentially expand hydropower's contributions to the grid, but its fundamental characteristics and influencing mechanisms are still uncl
Externí odkaz:
https://doaj.org/article/eddbd9cb07d643b89a618e6731b8ea88
Publikováno v:
IEEE Access, Vol 12, Pp 74137-74147 (2024)
In power systems, the steady-state operations following any disturbance can be assessed by means of time-domain simulations, which consider the dynamic of the system without simplifying hypotheses. This paper proposes a formulation of the power flow
Externí odkaz:
https://doaj.org/article/e35ce14e6a764afbb2ff9480415a3aac
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