# Comparative study of reactive power control methods for photovoltaic inverters in low-voltage grids

@article{Momeneh2016ComparativeSO, title={Comparative study of reactive power control methods for photovoltaic inverters in low-voltage grids}, author={Arash Momeneh and Miguel Castilla and Jaume Miret and Pau Mart{\'i} and Manel Velasco}, journal={Iet Renewable Power Generation}, year={2016}, volume={10}, pages={310-318} }

The increasing installation of photovoltaic panels in low-voltage grids causes an over voltage problem, especially during high production and low consumption periods. Generally the over voltage problem is overcome by implementing reactive power control methods. The advances in networked control systems theory and practice create new scenarios where reactive power control methods can offer additional features and benefits. To explore these new capabilities, this study presents two new reactive…

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## References

SHOWING 1-10 OF 37 REFERENCES

Local Reactive Power Control Methods for Overvoltage Prevention of Distributed Solar Inverters in Low-Voltage Grids

- Computer ScienceIEEE Journal of Photovoltaics
- 2011

Underlines weak points of standard reactive power strategies which are already imposed by certain grid codes, and introduces a new reactive power control method that is based on sensitivity analysis that combines two droop functions that are inherited from the standard cos φ(P) and Q(U) strategies.

Integration of large-size photovoltaic systems into the distribution grids: a p-q chart approach to assess reactive support capability

- Engineering
- 2010

This study addresses the issue of the control of both active (P) and reactive (Q) power flows injected by grid connected photovoltaic (PV) units participating in the provision of the reactive power…

Integration of D-Statcom based photovoltaic cell power in low voltage power distribution grid

- EngineeringIEEE-International Conference On Advances In Engineering, Science And Management (ICAESM -2012)
- 2012

The main aim of this paper is the voltage regulation which is one of the most important operational requirement in power network at both transmission and distribution levels. Whenever there is a…

Local Control of Reactive Power by Distributed Photovoltaic Generators

- Computer Science, Mathematics2010 First IEEE International Conference on Smart Grid Communications
- 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.

Design and Analysis of a Grid-Connected Photovoltaic Power System

- EngineeringIEEE Transactions on Power Electronics
- 2010

A grid-connected photovoltaic (PV) power system with high voltage gain is proposed, and the steady-state model analysis and the control strategy of the system are presented in this paper. For a…

A Control Methodology and Characterization of Dynamics for a Photovoltaic (PV) System Interfaced With a Distribution Network

- EngineeringIEEE Transactions on Power Delivery
- 2009

This paper proposes a control strategy for a single-stage, three-phase, photovoltaic (PV) system that is connected to a distribution network. The control is based on an inner current-control loop and…

Active voltage ripple compensation in PV Systems for domestic uses

- Engineering2010 IEEE International Symposium on Industrial Electronics
- 2010

Photo Voltaic (PV) generators today find application in the domestic field, where the decentralized power conversion concept has proven to be more advantageous than the conventional string…

Reactive power/voltage control in distribution systems under uncertain environment

- Engineering
- 2008

A novel method for reactive power/voltage control in distribution systems under uncertain data environment is presented. This is achieved by minimising boundary real power loss or boundary total real…

Optimal Distribution Voltage Control and Coordination With Distributed Generation

- EngineeringIEEE Transactions on Power Delivery
- 2008

In recent years, distributed generation, as clean natural energy generation and cogeneration system of high thermal efficiency, has increased due to the problems of global warming and exhaustion of…

Minimum loss operation of distribution networks with photovoltaic generation

- Engineering
- 2014

The proliferation of photovoltaic generation in distribution networks requires assessing the control schemes that achieve minimum loss operation without requiring excessive switching of conventional…