Aiming at the low-frequency oscillation problem of high-proportion wind power and energy storage connected to the power system, this paper establishes a system small signal model according to the matrix similarity theory, which lays a foundation for the research on oscillation characteristics, mechanism analysis, and suppression …
Aiming at the problem of low-frequency oscillation in the weak power grid, a low-frequency oscillation suppression strategy considering the dynamic power …
The use of the conventional dual closed-loop control strategy by photovoltaic (PV) plants with grid-connected inverters may weaken the damping of a power system, which may aggravate low …
This paper studies the optimization of both the placement and controller parameters for Battery Energy Storage Systems (BESSs) to improve power system oscillation damping by interfacing time-domain simulation with a mixed-integer Particle Swarm Optimization algorithm. This paper studies the optimization of both the placement …
Journal of Physics: Conference Series, Volume 2592, 2023 2nd International Conference on New Energy, Energy Storage and Power Engineering (NESP 2023) 21/04/2023 - 23/04/2023 Kaifeng, China Citation Shengyang Lu et …
Electronic control strategies are pivotal in the evolution of power systems, which have higher requirements for power leveling and optimization, frequency safety, and frequency stability. In contrast, the core objectives of existing energy storage services are mostly limited to one function, which cannot fully meet the operational requirements of …
In order to suppress the low-frequency oscillation, enhance the damping performance of grid-connected PSPS and PS-WPIS, the nonlinear mathematical …
In order to suppress the low-frequency oscillation, enhance the damping performance of grid-connected PSPS and PS-WPIS, the nonlinear mathematical models are established respectively. A novel NSF-SGC strategy is proposed, the governor equation is derived, and the control performance of different strategies are analyzed.
In the actual power system with hydropower, long-time and ultra-low frequency oscillation events occur many times. It is found that the unreasonable setting of governor parameters is an important reason for the oscillation. Firstly, the single machine on load system model is used to analyse the relationship between the PID parameters of …
Hence, auxiliary damping controller (ADC) is introduced to help suppress low-frequency oscillation of the power system []. By adding the speed signal to the active power loop as shown in Fig. 10, …
This portion mainly extends from the Phillips-Heffron model [], adding prime mover governor control system to study frequency oscillation, as shown in Fig. 1 pared with the single machine infinite bus system …
Abstract: Low frequency oscillation (LFO) in the electric multiple units (EMUs)-traction network cascade system (ETNCS) can lead to traction blockade and …
Aiming at the problem of low-frequency oscillation in the weak power grid, a low-frequency oscillation suppression strategy considering the dynamic power …
The traction blockade in depots of multiple electric multiple units (EMUs) is generally considered to be caused by the voltage low frequency oscillation (LFO) of the high-speed railway traction network. As a possible solution, a strategy using single-phase EMUs rectifiers with passivity-based control (PBC) is proposed in this paper. First, the …
Kanglin Dai & Wei Xiong & Xufeng Yuan & Huajun Zheng & Qihui Feng & Yutao Xu & Yongxiang Cai & Dan Guo, 2022. "Additional Compound Damping Control to Suppress Low-Frequency Oscillations in a Photovoltaic Plant with a Hybrid Energy Storage System," Energies, MDPI, vol. 15(23), pages 1-13, November. ...
Moreover, positioning the SOC either excessively high or low hampers its effectiveness in subsequent frequency regulation processes involving energy storage [41]. The responsibility of frequency regulation in power supply is allocated by some scholars through solving an optimization objective problem that involves the participation of BESSs …
Virtual inertia and damping control (VIDC) improves the stability of DC microgrid (DC-MG). However, the potential positive feedback aggravates low-frequency oscillation induced by the interaction insides control loops, which is explained and solved in this paper. The multi-timescale impedance modelling framework is established to clarify stability mechanism of …
Citation: Li M, Ren W, Chen A, Gong J and Wang J (2023) Research on interaction of controllable series compensation and traditional PSS to suppress low-frequency oscillation. Front. Energy Res. 10:998585. doi: 10.3389/fenrg.2022.998585 Received: 20 July
Similar to synchronous generators (SGs), the phenomenon of low-frequency oscillation (LFO) may occur when virtual synchronous generator (VSG) is involved in power grid, thereby negatively affecting the stability of the power system. In this paper, the oscillation mechanism of the power system composed of a VSG and infinite …
Additional Compound Damping Control to Suppress Low-Frequency Oscillations in a Photovoltaic Plant with a Hybrid Energy Storage System November 2022 Energies 15(23):9044
To suppress the oscillations, one may introduce the supplementary controllers, e.g., the power system stabilizer (PSS) of the SGs or the power oscillation damper of the doubly-fed induction ...
Low-Frequency Oscillations in a Photovoltaic Plant with a Hybrid Energy Storage System Kanglin Dai 1, Wei Xiong 1, *, Xufeng Yuan 1, *, Huajun Zheng 1, Qihui Feng 2, Yutao Xu 2, Yongxiang Cai 2
In order to solve the problem of low frequency oscillation of power grid, the cur-rent-superconducting magnetic energy storage (CSMES) is applied to suppress the problem in this paper. The charge-discharge process of CSMES is realized by space vector pulse width ...
Sustainability 2022, 14, 5095 2 of 19 occur between [0.1–0.7] Hz. In contrast, the local area oscillation was notable in one of the generators in the power systems. The local area oscillation is between (0.7–2.0] Hz [5–8]. Sustainability2022, 14, 5095 2 of 27 Figure
In order to suppress the low frequency oscillation effectively in AC-DC paralleling transmission, a strategy based on sliding mode control theory is proposed to coordinate supplementary control ...
The effective suppression of low-frequency grid oscillations by the offshore wind power in a voltage source converter-based HVDC (VSC-HVDC) output …
This paper proposes adding a controller to the energy storage system (ESS) to enhance their contribution for damping low-frequency oscillation (LFO) in power systems integrated with high …
energy storage system active and reactive power modulation modes to suppress low-frequency oscillations were studied, and it proposed that the active power control …
Abstract: Through the feedback of the rotor speed and/or the grid frequency, an energy storage system ... of suppression response speed and the control of low ultralow frequency oscillation [4,5].
To offer a comprehensive understanding of the role energy storage devices play in mitigating the system''s low-frequency oscillations, the study delves into a high-proportion wind-solar grid-connected system of four machines and two regions. A mathematical model outlining the battery energy storage controller parameters is constructed and time …
Low-frequency oscillation suppression strategy considering dynamic power characteristics of energy storage system, Yunling Wang, Fang Liu, Xinwei Du, Bo Li, Yang Liu, Libo Jiang Purpose-led Publishing is a coalition of three not-for-profit publishers in the field of physical sciences: AIP Publishing, the American Physical Society and IOP …
To make clear the influence of renewable energy on ultra-low-frequency oscillation (ULFO) in a hydro-dominant system via an high voltage direct current (HVDC) transmission system, this paper studies the damping characteristics when wind power is integrated into the sending power system. The damping torque method is applied for the …
AMA Style Dai K, Xiong W, Yuan X, Zheng H, Feng Q, Xu Y, Cai Y, Guo D. Additional Compound Damping Control to Suppress Low-Frequency Oscillations in a Photovoltaic Plant with a Hybrid Energy Storage System.
Hence, auxiliary damping controller (ADC) is introduced to help suppress low-frequency oscillation of the power …