Coordinated Control of OLTC and Energy Storage for Voltage
Apr 28, 2020 · Battery Energy Storage Systems (BESS) can mitigate voltage regulation issues, as they can act quickly in response to the uncertainties introduced due to solar PV. However, if
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6 Frequently Asked Questions about “Low-voltage energy storage and voltage regulating device”
Can a voltage control strategy improve low voltage distribution grid performance?
This study presents a novel voltage control strategy for low voltage (LV) distribution grids, addressing the lack of coordination between photovoltaic (PV) reactive control and energy storage system (ESS) active control. The proposed strategy concentrates on group coordination of PV and ESS to improve LV grid performance.
Can battery energy storage systems mitigate voltage regulation issues?
Battery Energy Storage Systems (BESS) can mitigate voltage regulation issues, as they can act quickly in response to the uncertainties introduced due to solar PV. However, if there is no coordination between existing devices such as On Load Tap Changing Transformers (OLTC) and BESS, then BESS takes all the burden and is generally over-utilized.
Can LV grid simulation improve voltage control performance?
Validated strategy with IEEE 14-node LV grid simulation, improving voltage control performance. This study presents a novel voltage control strategy for low voltage (LV) distribution grids, addressing the lack of coordination between photovoltaic (PV) reactive control and energy storage system (ESS) active control.
What is a control strategy for PV system voltage regulation?
Initially, a control strategy was suggested through a comparative analysis of the voltage cost sensitivity factor (VCSFs) associated with the PV system and the ESS. This strategy emphasized the prioritized use of reactive power from the PV for voltage regulation, followed by the utilization of active power from the ESS for the same purpose.
Is coordinated control effective in LV grid voltage regulation?
Coordinated control is utilized to converge key node voltages to set values and obtain effective LV grid voltage regulation. An IEEE 14-node LV grid simulation incorporating PV and ESS validates the proposed strategy, demonstrating its effectiveness and correctness in improving voltage control performance.
Which regulator is preferred for voltage regulation at node i or downstream?
Similarly, the VCSF of the ESS located at node i or downstream is also greater. Therefore, in response to the voltage violation at node i, the regulator located at node i or downstream is preferentially utilized for voltage regulation, and the regulator located upstream of node i is utilized for voltage regulation secondarily.