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Voltage Support Strategy for Improving Power Transfer Capability of Grid-Connected Converter Under Unbalanced Conditions

IEEE transactions on power electronics
Grid-connected converter should transmit power from distributed generation to the grid as much as possible, even under unbalanced conditions. However, under the necessary constraints of the point of common coupling (PCC) voltage support and current ...
Yu Feng   +5 more
semanticscholar   +1 more source

Distributed generation support for voltage regulation: An adaptive approach

Electric Power Systems Research, 2014
Distributed generation is expected to introduce additional issues in the operation of distribution networks. Among these, voltage variation is of particular concern and needs to be addressed concisely. Conventionally, voltage regulators are placed in transmission level, where they use reactive power control to alter voltage levels.
Kechroud, A., Ribeiro, P.F., Kling, W.L.
openaire   +1 more source

Voltage Support Provided by a Droop-Controlled Multifunctional Inverter

IEEE Transactions on Industrial Electronics, 2009
This paper presents a single-phase multifunctional inverter for photovoltaic (PV) systems application. The converter provides active power to local loads and injects reactive power into the grid providing voltage support at fundamental frequency. The proposed topology is controlled by means of the droop-control technique. Hence, it allows the obtaining
Juan C. Vasquez 0001   +3 more
openaire   +1 more source

Decision Support for Maintenance Management of High Voltage Components

2006 IEEE 8th International Conference on Properties and applications of Dielectric Materials, 2006
Transmission and distribution components in the power network are capital intensive assets, which force the owners of these assets to utilise them in the most efficient way. Efficient utilisation demands a thorough analysis of the relation between the assets performance and the stakeholders' expectations.
Quak, B. (author)   +2 more
openaire   +2 more sources

Dynamic grid support in low voltage grids — fault ride-through and reactive power/voltage support during grid disturbances

2014 Power Systems Computation Conference, 2014
Faults in medium and high voltage grids lead to voltage sags in the low voltage level. Due to the voltage dip, distributed generators disconnect from the low voltage grid. Depending on the amount of disconnected generation, system stability could be compromised.
Gustav Lammert   +4 more
openaire   +2 more sources

Use of Smart Inverters for Provision of Voltage Support to Medium and High Voltage Networks

2020 2nd Global Power, Energy and Communication Conference (GPECOM), 2020
The provision of voltage support to the Transmission Network (TN) using Distributed Energy Resources (DERs) requires new control alternatives that increase the interaction between the Distribution Network (DN) and the TN, without compromising power quality of low voltage (LV) systems. This paper presents a voltage control scheme that manages the active
M.J. Parajeles, R. Ramírez, G. Valverde
openaire   +1 more source

Coordination of Distributed Reactive Power Sources for Voltage Support of Transmission Networks

IEEE Transactions on Sustainable Energy, 2019
The provision of voltage support from distribution systems to transmission networks requires new cost-effective coordination schemes to drive thousands of non-centrally monitored distributed energy resources (DERs).
Gustavo Valverde, Dmitry Shchetinin
exaly   +2 more sources

Ability of a Voltage-Graded Surface to Support a High Voltage in Vacuum and in a Pressurized Gas

Review of Scientific Instruments, 1963
A bushing with a voltage-graded surface was constructed from aluminum and Pyrex glass rings. The bushing, 30 cm long, supported approximates 10/sup 6/ v at p = 10/sup -4/ mm Hg and approximates 8 x 10/sup 5/ v at p = 10/sup -7/ mm Hg of SF/sub 6/. The application of voltage grading to pressurized gases is considered; a 25-cm stack of aluminum-glass ...
R. B. Britton   +2 more
openaire   +1 more source

Voltage Support Capability Analysis for Grid-Forming Inverters With Adaptive Virtual Impedance Under Asymmetrical Grid Faults

IEEE transactions on industrial electronics (1982. Print)
Current grid codes require grid-forming (GFM) inverters to provide voltage support capability during grid faults to ensure stability and resilience of power systems.
Han Zhang, Rui Liu, Y. Li
semanticscholar   +1 more source

Distributed μ-STATCOM for voltage support and harmonic mitigation on low voltage networks

2017 IEEE Applied Power Electronics Conference and Exposition (APEC), 2017
Proliferation of distributed energy resources (DERs) on the low voltage network comes with a myriad of power quality problems such as voltage fluctuations and poor harmonic performance. Distributed mitigation solutions are being proposed for the low voltage network which are similar to state-of-the-art solutions in medium voltage networks.
Ehab Shoubaki   +7 more
openaire   +1 more source

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