Sep 10, 2014· This paper proposes a hybrid voltage/var control (VVC) architecture for distribution systems with a high PV penetration. The architecture consists of two control loops: coordinated normal control loop and uncoordinated transient cloud movement control loop. In the first loop, hourly dispatches are scheduled for on-load tap changer (OLTC), capacitor banks (CBs), and
Oct 22, 2021· With the increasing scale of distributed generations connected to active distribution network, voltage/var control of distribution network is facing more and more technical challenges. In this paper, under the background of photovoltaic high-permeability distribution network, a three-stage voltage/Var control (VVC) is adopted to optimize the active power loss and voltage level
Nov 1, 2014· This paper proposes a hybrid voltage/var control (VVC) architecture for distribution systems with a high PV penetration. The architecture consists of two control loops: coordinated normal control
This paper proposes a hybrid voltage/var control (VVC) architecture for distribution systems with a high PV penetration. The architecture consists of two control loops: coordinated normal control loop and uncoordinated transient cloud movement control loop. In the first loop, hourly dispatches are scheduled for on-load tap changer (OLTC), capacitor banks (CBs), and static var
Aug 1, 2012· We show how an adaptive control algorithm can improve the performance of distributed reactive power control in a radial distribution circuit with a high penetration of
Feb 14, 2012· We show how an adaptive control algorithm can improve the performance of distributed reactive power control in a radial distribution circuit with a high penetration of photovoltaic (PV) cells. The adaptive algorithm is designed to balance the need for power quality (voltage regulation) with the desire to minimize power loss. The adaptation law determines
Nov 13, 2021· We show how an adaptive control algorithm can improve the performance of distributed reactive power control in a radial distribution circuit with a high penetration of photovoltaic (PV) cells.
Jun 14, 2019· In this adaptive sequential scheme, a two-way switch is designed to work with two operational modes: 1) voltage-variation minimization mode (V_Mode) aimed to minimize
Jan 1, 2015· Adaptive VAR control for distribution circuits with photovoltaic generators IEEE Trans Power Syst, 27 ( 2012 ), pp. 1656 - 1663, 10.1109/TPWRS.2012.2183151 View in Scopus Google Scholar
WANG et al.: INVERTER-LESS HYBRID VOLTAGE/VAR CONTROL FOR DISTRIBUTION CIRCUITS WITH PHOTOVOLTAIC GENERATORS 2719 are not taken into account and the operation of the system may not be optimal. In coordinated control, a centralized op-timization algorithm makes dispatch decisions for each VVC
The PV-DG inverter can generate reactive power at a much faster timescale and with a much finer resolution than shunt capacitors . We employ a VAR control strategy to balance the need for the voltage profile of the grid-connected nodes with the desire to minimize the real power loss.
Jul 4, 2022· We show how an adaptive control algorithm can improve the performance of distributed reactive power control in a radial distribution circuit with a high penetration of photovoltaic (PV) cells.
The adaptive VAR control strategy is proposed as a strategy other than a control system model to determine the optimum value of reactive power output. The technical effects of realistic fluctuations of solar irradiance on the placement of PV-DG can be obtained, as long as the sample size is large enough.
The proposed methodology for optimal placement of PV-DG units based on reactive power control has a better voltage profile than Ref., in which combined DG at unity power factor and a capacitor are optimally placed. It can be concluded that the adaptive VAR control can provide better voltage performance than a capacitor.
Jan 1, 2015· The optimal active and reactive power dispatch for multiple PV-DG units is determined by random sampling solar radiation over one year based on an adaptive reactive
An adaptive reactive power control model is introduced in PV-DG allocation as to balance the trade-off between the improvement of voltage quality and the minimization of power loss in a distribution network integrated with PV-DG units.
Adaptive VAR control for distribution circuits with photovoltaic generators. HG Yeh, DF Gayme, SH Low. IEEE Transactions on Power Systems 27 (3), Wavelet and denoising techniques for real-time HIF detection in 12-kV distribution circuits. HG Yeh, S Sim, RJ Bravo. IEEE Systems Journal 13 (4), 4365-4373, 2019. 31:
Jun 1, 2022· Adaptive VAR control for distribution circuits with photovoltaic generators IEEE Trans. Power Syst, 27 ( 3 ) ( 2012 ), pp. 1656 - 1663, 10.1109/TPWRS.2012.2183151 View in Scopus Google Scholar
Feb 14, 2012· We show how an adaptive control algorithm can improve the performance of distributed reactive power control in a radial distribution circuit with a high penetration of
We show how an adaptive control algorithm can improve the performance of distributed reactive power control in a radial distribution circuit with a high penetration of photovoltaic (PV) cells.
Oct 22, 2021· We show how an adaptive control algorithm can improve the performance of distributed reactive power control in a radial distribution circuit with a high penetration of photovoltaic (PV) cells.
Aug 1, 2019· Simulation results show well distributed solutions and high solution robustness of the proposed multi-objective robust VVC against uncertainties, and a solution algorithm based on adaptive weighted-sum and column-and-constraint generation algorithms is developed to solve the multi- objective robust optimization problem. Voltage/VAR control (VVC) methods
Aug 4, 2010· It is found that local control schemes are able to maintain voltage within acceptable bounds and how the control system can be continuously tuned between robust voltage control, suitable for daytime operation when circuit conditions can change rapidly, and loss minimization better suited for nighttime operation. High-penetration levels of distributed photovoltaic (PV)
Aug 28, 2014· The MPC-based VVO problem is formulated as a mixed-integer nonlinear program with reduced scenarios and the exponential load model is used to capture the various load behaviors in this paper. This paper proposes a model predictive control (MPC)-based voltage/var optimization (VVO) technique considering the integration of distributed generators and load-to
Mar 1, 2020· We show how an adaptive control algorithm can improve the performance of distributed reactive power control in a radial distribution circuit with a high penetration of
Jan 29, 2019· Voltage/VAR regulation (VVR) implemented by capacitor banks (CBs), on-load tap changers (OLTCs), and photovoltaic (PV)-associated inverters is effective to enhance voltage stability and reduce power loss. On the other hand, conservation voltage reduction
Jun 1, 2010· A local control scheme that dispatches reactive power from each PV inverter based on local instantaneous measurements of the real and reactive components of the consumed power and the real power generated by the PVs is suggested. High penetration levels of distributed photovoltaic (PV) generation on an electrical distribution circuit may degrade power
Dec 5, 2009· Adaptive VAR Control for Distribution Circuits With Photovoltaic Generators. August 2012 · Power Systems, IEEE Transactions on. Hen-Geul Yeh; Dennice Gayme; Steven Low;
Feb 13, 2012· TL;DR: In this paper, an adaptive control algorithm is proposed to balance the need for power quality (voltage regulation) with the desire to minimize power loss in a radial
Buy the article: Adaptive VAR Control for Distribution Circuits with Photovoltaic Generators. Top. Search. Home > Section 82 > Chapter 81,523. Adaptive VAR Control for Distribution Circuits with Photovoltaic Generators Yeh, H.; Gayme, D.F.; Low, S.H. IEEE Transactions on Power Systems 27(3): 1656-1663
Sep 26, 2021· Modern distribution networks face an increasing number of challenges in maintaining balanced grid voltages because of the rapid increase in single-phase distributed generators. Because of the proliferation of inverter-based resources, such as photovoltaic (PV) resources, in distribution networks, a novel method is proposed for mitigating voltage
Optimal allocation and adaptive VAR control of PV-DG in distribution networks Xueqian Fua, Haoyong Chena,b,⇑, Runqing Caic, Ping Yanga a School of Electric Power, South China University of Technology, China bAsia-Pacific Research Institute of Smart Grid and Renewable Energy, Hong Kong cGuangzhou Power Supply Co. Ltd., China highlights A methodology for
Mar 29, 2019· Voltage/VAR regulation (VVR) implemented by capacitor banks (CBs), on-load tap changers (OLTCs), and photovoltaic (PV)-associated inverters is effective to enhance voltage stability and reduce power loss. On the other hand, conservation voltage reduction (CVR) has been widely adopted in distribution networks to reduce load demand.
Jan 1, 2015· [27] presents an adaptive reactive power control algorithm to improve voltage profile and reduce system loss in a radial distribution circuit with photovoltaic cells. In this paper, We develop a new model for PV-DG optimal allocation considering the randomness of solar energy based on chance-constrained programming theory, in which takes the
The hybrid intelligent algorithm is used for planning the radial distribution networks with PV-DG and without VAR source. The proposed method is used here to plan the IEEE 33-bus system with multiple PV-DG units and VAR sources simultaneously considering the adaptive reactive power control algorithm.
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