On the use of IEC 61850-90-7 for Smart Inverters Integration

Miranda, Tiago C. P. dos Reis; Delgado-Gomes, Vasco; Martins, J. F.

doi:10.1109/is.2018.8710577

Cited by 5 publications

(3 citation statements)

References 8 publications

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“…The implementation of the IEC 61850 GOOSE (Generic Object-Oriented Substation Event) and the Manufacturing Message Specification (MMS) allows for a simple way to implement control actions in power electronic converters and so many other technologies. There are very well documented experiences regarding the use of IEC TR 61850-90-7 and UL 1741 standards in the development of the control of the so-called smart PV inverters [28].…”

Section: Bessmentioning

confidence: 99%

A Coordinated Control of Offshore Wind Power and BESS to Provide Power System Flexibility

et al. 2021

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The massive integration of variable renewable energy (VRE) in modern power systems is imposing several challenges; one of them is the increased need for balancing services. Coping with the high variability of the future generation mix with incredible high shares of VER, the power system requires developing and enabling sources of flexibility. This paper proposes and demonstrates a single layer control system for coordinating the steady-state operation of battery energy storage system (BESS) and wind power plants via multi-terminal high voltage direct current (HVDC). The proposed coordinated controller is a single layer controller on the top of the power converter-based technologies. Specifically, the coordinated controller uses the capabilities of the distributed battery energy storage systems (BESS) to store electricity when a logic function is fulfilled. The proposed approach has been implemented considering a control logic based on the power flow in the DC undersea cables and coordinated to charging distributed-BESS assets. The implemented coordinated controller has been tested using numerical simulations in a modified version of the classical IEEE 14-bus test system, including tree-HVDC converter stations. A 24-h (1-min resolution) quasi-dynamic simulation was used to demonstrate the suitability of the proposed coordinated control. The controller demonstrated the capacity of fulfilling the defined control logic. Finally, the instantaneous flexibility power was calculated, demonstrating the suitability of the proposed coordinated controller to provide flexibility and decreased requirements for balancing power.

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Section: Bessmentioning

confidence: 99%

A Coordinated Control of Offshore Wind Power and BESS to Provide Power System Flexibility

et al. 2021

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“…According to [13,14] and following IEC 61850-90-7 standard, the volt-var function can be managed by either autonomous DER units responding to local conditions or broadcasted from a centralized power system provider with the ability to understand the capacities of each DER. While a centralized control concentrates the processing capabilities in one high computational equipment, local control can work whenever there are communication problems with the centralized system [15].…”

Section: Introductionmentioning

confidence: 99%

Adaptive Volt-Var Control Algorithm to Grid Strength and PV Inverter Characteristics

et al. 2021

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The high-penetration of Distributed Energy Resources (DER) in low voltage distribution grids, mainly photovoltaics (PV), might lead to overvoltage in the point of common coupling, thus, limiting the entrance of renewable sources to fulfill the requirements from the network operator. Volt-var is a common control function for DER power converters that is used to enhance the stability and reliability of the voltage in the distribution system. In this study, a centralized algorithm provides local volt-var control parameters to each PV inverter, which are based on the electrical grid characteristics. Because accurate information of grid characteristics is typically not available, the parametrization of the electrical grid is done using a local power meter data and a voltage sensitivity matrix. The algorithm has different optimization modes that take into account the minimization of voltage deviation and line current. To validate the effectiveness of the algorithm and its deployment in a real infrastructure, the solution has been tested in an experimental setup with PV emulators under laboratory conditions. The volt-var control algorithm successfully adapted its parameters based on grid topology and PV inverter characteristics, achieving a voltage reduction of up to 25% of the allowed voltage deviation.

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“…In [10], it is proved its effectiveness in front other techniques. Following the standard IEC 61850-90-7 and as it is mentioned in [11] and [12] the Volt-VAr function can be managed by either an autonomous DER unit itself responding to local conditions or broadcasted from a centralized power system provider with the ability to understand the capacities of each individual DER. Meanwhile a centralized control can gather the processing capabilities in a central equipment, a local control is able to work when there is communication problem with the centralized system.…”

Section: Introductionmentioning

confidence: 99%

Adaptive Volt-VAr Control Algorithm to Grid Strength and PV Inverter Characteristics

Gubert¹,

Colet²,

Casals³

et al. 2021

Preprint

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High-penetration of Distributed Energy Resources (DER) in low voltage distribution grids, mainly photovoltaics (PV), might lead to overvoltage in the point of common coupling. Volt-VAr is one of the common control functions for DER power converters used to enhance the stability and the reliability of the voltage in the distribution system and, thus, fulfilling the network operator requirements. In this study, a centralized algorithm will provide local Volt-VAr control parameters to each PV inverter, based on the electrical grid characteristics where each equipment is installed. Since accurate information of grid characteristics is typically not available, the parametrization of the electrical grid is done using power meter data in DER location and a voltage sensitivity matrix. The algorithm has different optimization modes to both minimize voltage deviation and line current. In order to validate the effectiveness of the algorithm and its deployment in real infrastructure, it has been tested in an experimental setup with PV emulators in a set of 5-day tests. Volt-VAr control algorithm successfully adapted its parameters based on grid topology and PV inverter characteristics, achieving a voltage reduction up to 25% of the allowed voltage deviation.

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On the use of IEC 61850-90-7 for Smart Inverters Integration

Cited by 5 publications

References 8 publications

A Coordinated Control of Offshore Wind Power and BESS to Provide Power System Flexibility

A Coordinated Control of Offshore Wind Power and BESS to Provide Power System Flexibility

Adaptive Volt-Var Control Algorithm to Grid Strength and PV Inverter Characteristics

Adaptive Volt-VAr Control Algorithm to Grid Strength and PV Inverter Characteristics

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