Results 21 to 30 of about 5,122 (211)

Imbalance‐based primary frequency control for converter‐fed microgrid

open access: yesIET Generation, Transmission & Distribution, 2022
Frequency droop control is a simple and effective frequency control method. However, it is not appropriate as a primary frequency control for microgrids with energy storage systems and voltage source converters (VSCs) owing to their slow response speed ...
Jaewan Suh   +3 more
doaj   +1 more source

Decentralized Primary Frequency Control in Power Networks

open access: yesCoRR, 2014
We augment existing generator-side primary frequency control with load-side control that are local, ubiquitous, and continuous. The mechanisms on both the generator and the load sides are decentralized in that their control decisions are functions of locally measurable frequency deviations.
Changhong Zhao, Steven H. Low
openaire   +2 more sources

Adaptive Under-Frequency Load Shedding Control Strategy of Power Systems With Wind Turbines and UHVDC Participating in Frequency Regulation

open access: yesFrontiers in Energy Research, 2022
Represented by wind turbines and ultra high-voltage DC (UHVDC), the power-electronic interfaced power sources participate in fast frequency control, which has a significant impact on the power system frequency.
Xingyang Wu   +3 more
doaj   +1 more source

Contingency Analysis of a Grid Connected EV's for Primary Frequency Control of an Industrial Microgrid Using Efficient Control Scheme

open access: yesEnergies, 2022
After over a century of internal combustion engines ruling the transport sector, electric vehicles appear to be on the verge of gaining traction due to a slew of advantages, including lower operating costs and lower CO2 emissions. By using the Vehicle-to-
Jayalakshmi N. Sabhahit   +5 more
doaj   +1 more source

Primary Frequency Control Strategy for Wind Farms Based on Variable Parameter De-loading Control

open access: yesZhongguo dianli, 2021
Variable speed constant frequency (VSCF) wind turbines are connected to the grid through power electronic equipment, leading to the decoupling of wind turbine’s rotor speed and system frequency.
Tianxiang WANG   +3 more
doaj   +1 more source

Model for Frequency Dynamics in an Islanded Microgrid and Primary Frequency Control Based on Disturbance Compensation [PDF]

open access: yesIEEE Access, 2021
Islanded microgrids have low inertia due to a large penetration of non-inertial inverter based power sources. In such systems, the primary frequency controller (PFC) faces the issue of a higher rate of change of frequency (RoCoF) and large peak frequency deviation in case of a sudden change in load or generation loss. The frequency control becomes more
Amir Hussain 0002, Wajiha Shireen
openaire   +2 more sources

Aggregation of EVs for Primary Frequency Control of an Industrial Microgrid by Implementing Grid Regulation & Charger Controller

open access: yesIEEE Access, 2020
After nearly a century with internal combustion engines dominating the transportation sector, it now appears that electric vehicles (EVs) are on the brink of enjoying rapid development due to numerous useful features they possess, such as less ...
Sheeraz Iqbal   +7 more
doaj   +1 more source

Coordinated Control Strategy and Validation of Vehicle-to-Grid for Frequency Control

open access: yesEnergies, 2021
The increased penetration of renewable energy sources (RES) and electric vehicles (EVs) is resulting in significant challenges to the stability, reliability, and resiliency of the electrical grid due to the intermittency nature of RES and uncertainty of ...
Yeong Yoo   +2 more
doaj   +1 more source

The Impact of Primary Frequency Control of WTs on Ultra-Low Frequency Oscillation

open access: yesJournal of Physics: Conference Series, 2021
Abstract Since entering the 21st century, as wind power develops rapidly, wind power plays an increasingly important role in the safe and stable operation of power systems. Since the wind turbines under traditional control don’t provide frequency support, the frequency dynamics of the power grids after load disturbance will be ...
Lei Yang   +6 more
openaire   +1 more source

Analysis of Control Strategies Based on Virtual Inertia for the Improvement of Frequency Stability in an Islanded Grid with Wind Generators and Battery Energy Storage Systems

open access: yesEnergies, 2021
Rising levels of non-synchronous generation in power systems are leading to increasing difficulties in primary frequency control. In response, there has been much research effort aimed at providing individual electronic interfaced generators with ...
Iván Pazmiño   +2 more
doaj   +1 more source

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