This paper proposes a coordinated optimization model that coordinates the control of voltage controllers placed at the outputs of solar PV plants with the distribution line voltage controllers
Customer ServiceIn this paper, the impact of the network structure on the solar hosting capacity (HC) is analyzed with respect to the role of low and medium voltage networks in power delivery. A given set of load nodes is simulated with multiple feeding substations and varying peak power
Customer ServiceHigh-penetration photovoltaic (PV) integration into a distribution network can cause serious voltage overruns. This study proposes a voltage hierarchical control method based on active and reactive power coordination to enhance the regional voltage autonomy of an active distribution network and improve the sustainability of new energy consumption.
Customer ServiceIn recent research, it is clearly demonstrated that using the capacity of the PV solar inverter to consume and deliver RP as well as AP seems to be an effective method of attenuating the increase in voltage of the distribution network. In the literature, there are various strategies for controlling RP proposed as solutions for increasing the
Customer ServiceIn recent research, it is clearly demonstrated that using the capacity of the PV solar inverter to consume and deliver RP as well as AP seems to be an effective method of attenuating the increase in voltage of the
Customer ServiceThis paper presents a novel approach, employing a time decomposition-based dual-stage model predictive control (MPC) with a reduced model control framework for voltage
Customer ServiceThe performance of the commonly used distribution voltage regulation methods under reverse power flow are investigated and presented. Voltage performance of the feeder, and the flow of
Customer ServiceHowever, smart inverters with reactive power control capability enable PV systems to support voltage quality in the distribution network better. This article gives an overview of the current state-of-the-art control strategies for handling voltage problems through PV inverters and other devices.
Customer ServiceThis paper proposes a coordinated optimization model that coordinates the control of voltage controllers placed at the outputs of solar PV plants with the distribution line voltage controllers in a DC distribution network, to maximize renewable energy production and
Customer ServiceThis paper presents a novel approach, employing a time decomposition-based dual-stage model predictive control (MPC) with a reduced model control framework for voltage control and energy loss minimization in active distribution networks (ADNs), by significantly reducing the number of measuring devices.
Customer ServiceHigh-penetration photovoltaic (PV) integration into a distribution network can cause serious voltage overruns. This study proposes a voltage hierarchical control method
Customer ServiceTo exploit the voltage support capability of PVs and EVs, this paper proposes a two-stage control scheme for the voltage regulation of distribution networks, consisting of the
Customer ServiceIn this paper, the impact of the network structure on the solar hosting capacity (HC) is analyzed with respect to the role of low and medium voltage networks in power delivery. A given set of load nodes is simulated with multiple feeding substations and varying peak power and number of PV plants.
Customer ServiceIn this paper, the impact of PV on the distribution network in term of voltage performance and losses has been investigated by using the OpenDss simulator tool. Mitigation strategy has also...
Customer ServiceHowever, smart inverters with reactive power control capability enable PV systems to support voltage quality in the distribution network better. This article gives an
Customer ServiceFirstly, the mechanism by which the access of the PV and ES to the distribution network impacts the node voltage is explored. Then, the unit regulation cost of a photovoltaic inverter and energy storage power is studied. On this basis, the voltage–cost sensitivity is proposed based on the traditional node power–node voltage sensitivity.
Customer ServiceThe performance of the commonly used distribution voltage regulation methods under reverse power flow are investigated and presented. Voltage performance of the feeder, and the flow of active and reactive power are studied under different loading assumptions, and different assumptions of PV inverters'' participation. The paper also explores the
Customer ServiceTo exploit the voltage support capability of PVs and EVs, this paper proposes a two-stage control scheme for the voltage regulation of distribution networks, consisting of the day-ahead and intraday control stages.
Customer ServiceFirstly, the mechanism by which the access of the PV and ES to the distribution network impacts the node voltage is explored. Then, the unit regulation cost of a photovoltaic inverter and energy storage power is studied.
Customer ServiceIn this paper, the impact of PV on the distribution network in term of voltage performance and losses has been investigated by using the OpenDss simulator tool. Mitigation strategy has also...
Customer ServiceTherefore, it is of great significance to study the voltage control strategy of a distribution network containing PV. The most traditional reactive power voltage control in distribution networks is to use reactive power resources such as transformer taps and capacitor banks [6, 7] for regulation.
Achieving energy balance within each region of the distribution network is facilitated through the collaborative strategy of photovoltaic storage. The voltage regional autonomy capability refers to the voltage regulation capacity of photovoltaic storage within each region of the distribution network.
First, the impact mechanism of PV access on the distribution network voltage needs to be further investigated; second, the regulation costs of photovoltaic and energy storage are different, and the effects of the control by different node powers on node voltage are also different.
The system’s nominal voltage is set at 11 kV, with a reference capacity of SB = 10 MVA, and the distribution network interfaces with the external power grid through node 1. Detailed system composition and parameters are documented in Ref. . The model is solved using the GUROBI (11.0) solver implemented on the MATLAB platform.
The distributed energy storage and photovoltaic are connected at the same node. The total load of the system and the active output of photovoltaic are shown in Figure 8. Figure 6. Schematic of distribution network structure and distribution of photovoltaic-storage system. Figure 7. Installed capacity of PV vs. peak load power. Figure 8.
As the integration of distributed photovoltaic systems within distribution networks escalates, the reactive power surplus of their grid-connected inverters undergoes a significant surge, which evolves into a pivotal management asset for voltage regulation within the distribution grid.
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